GEN 1.7 DIFFERENCES FROM ICAO STANDARDS, RECOMMENDED PRACTICES AND PROCEDURES

In CAA publications, where a term is used, which is defined by ICAO in a relevant Annex or PANS document, that definition will apply unless:
  1. the contrary is indicated; or

  2. there is a different definition in the Air Navigation Order or European Union Regulations.

Differences to ICAO definitions and SARPS are identified in the tables below.

Annex 1: Personnel Licensing (13th Edition) (AMDT 177)

ICAO Ref.

Category
(Standard,
Rec’d
Practice,
etc.)

Difference

Details of Difference

Comments/Status
No Significant UK Differences

Annex 2: Rules of the Air (10th Edition) (Amendment 46)

ICAO Ref.

Category
(Standard,
Rec’d
Practice,
etc.)

Difference

Details of Difference

Comments/Status

C1
1.0.1

Definition: Acrobatic Flight

More exacting or exceeds

Air Navigation Order 2016 definition is more aligned to specific aerobatic manoeuvres. UK Reg (EU) No 923/2012 definition includes Annex 2 definition but expands upon it to highlight that it is not associated with "normal" flight.

The UK uses the terms aerobatic manoeuvres (ANO 2016) and aerobatic flight (UK Reg (EU) No 923/2012.

C1
1.0.81

Definition: Operator

Different in character or other means of compliance

The UK Air Navigation Order definition refers to the person who has responsibility for the management of the aircraft.

C1
1.0.89

Definition: Remote Pilot Station

Different in character or other means of compliance

The UK has not adopted the term 'remote pilot station' and has instead adopted the term 'command unit (CU)' meaning "the equipment or system of equipment to control unmanned aircraft remotely as defined in point 32 of Article 3 of Regulation (EU) 2018/1139 which supports the control or the monitoring of the unmanned aircraft during any phase of flight, with the exception of any infrastructure supporting the command and control (C2) link service".

C1
1.0.95

Definition: RPA Observer

More exacting or exceeds

The UK has not adopted the term 'RPA observer' and has instead adopted the terms 'unmanned aircraft observer' and 'airspace observer' as defined in Article 2(24) and Article 2(25) (respectively) of Regulation (EU) 2019/947. These definitions differentiate between an individual that monitors the RPA to ensure that it remains within VLOS, and an individual that visually scans the airspace to identify airborne hazards. The definitions do not describe the trained or competent status of the individual.

C1
1.0.113

Visual line-of-sight (VLOS) operation

Different in character or other means of compliance

The UK definition includes the context of VLOS operation, highlighting that it allows "the remote pilot to control the flight path of the unmanned aircraft in relation to other aircraft, people and obstacles for the purpose of avoiding collisions".

C3
3.2.2

Standard

Different in character or other means of compliance

UK SERA.3210(b) states that an aircraft that is aware that the manoeuvrability of another aircraft is impaired shall give way to that aircraft. It further requires priority for aircraft with impaired manoeuvrability.

C3
3.2.2.4

Standard

Less protective or partially implemented or not implemented

UK SERA.3210(c)(3)(i) states that a sailplane overtaking another sailplane may alter its course to the right or to the left.

Difference allows sailplanes to overtake each other on the left as well.

C3
3.2.3.2

Standard

Less protective or partially implemented or not implemented

UK regulations specify in point b) to act as far as practicable and in point c) the operation is specified as taxiing or being towed.
Rules of the Air Regulations 2015 Rule 14 and Rule 15 permit the following:

Rule 14 Stationary helicopters on offshore or renewable energy installations.
Notwithstanding SERA.3215 a helicopter may, when stationary on an offshore or renewable energy installation, switch off the red anti-collision light as long as that is done in accordance with a procedure contained in the operations manual of the helicopteroperator as a signal to ground personnel that it is safe to approach the helicopter for the purpose of embarkation or disembarkation of passengers or the loading or unloading of cargo.

Rule 15 Failure of anti-collision and navigation lights

(1) If any light required to be displayed by SERA.3215 fails during flight at night and cannot be immediately repaired or replaced, the aircraft must land as soon as it can safely do so, unless authorised by the appropriate air traffic control unit to continue its flight.(2) An aircraft may continue to fly during the day in the event of a failure of an anticollision light provided the light is repaired at the earliest practicable opportunity.

The period for the requirement is defined as “at night” as defined in UK SERA Art 2(97).

C3
3.2.5

Standard

Less protective or partially implemented or not implemented

UK SERA. 3225 (c) & (d) specify that points c) & d) do not apply to balloons. UK SERA.3225 (c) specifies that point c) applies unless otherwise "indicated or instructed by ATC".

UK SERA. 3225 does not specify that these provisions apply "whether or not within an aerodrome traffic zone".

C3
3.3.1.2

Standard

Different in character or other means of compliance

(e) UK Reg. (EU) No. 923/2012, SERA.4001(b)(5) requires a flight plan to be submitted for any flight across international borders, unless otherwise prescribed by the States concerned. In addition, UK Reg. (EU) No. 923/2012, SERA.4001(b)(6) requires a flight plan to be submitted for any flight planned to operate at night, if leaving the vicinity of an aerodrome.

C3
3.9
Table3-1

Standard

Different in character or other means of compliance

In the UK, in addition to the minima specified, VFR flight is permitted by aircraft in class D airspace at or below 3000 FT AMSL, or 1000 FT above terrain, whichever is the higher, if the aircraft is flown in accordance with the following conditions:a) during day;b) at an indicated airspeed of 140 KT or less to give adequate opportunity to observe other traffic or any obstacles in time to avoid a collision; and,c) remaining clear of cloud, with the surface in sight and:i) for aircraft other than helicopters, with a flight visibility of at least 5 KM;ii) for helicopters, with a flight visibility of at least 1500 M.
In addition to the minima specified against footnote **(a)(1), the UK specifies that flight visibilities in airspace classes F and G may be reduced, during day only, to not less than 1500 M for flights operating at an indicated airspeed of 140 KT or less to give adequate opportunity to observe other traffic or any obstacles in time to avoid a collision.

C4
4.6

Standard

More exacting or exceeds

b) UK SERA. 5005(f)(2) requires a VFR flight not to fly at a height less than 150 M (500 FT) above the groundor water, or 150 M (500 FT) above the highest obstacle within a radius of 150 M (500 FT) from the aircraft.

SERA.3105 requires that aircraft shall not be flown over the congested areas of cities, towns or settlements or over an open-air assembly of persons, unless at such a height as will permit. In the event of an emergency arising, a landing to be made without undue hazard to persons or property on the surface.

Annex 3: Meteorological Services For International Air Navigation (20th Edition) (Amendment 79)

ICAO Ref.

Category
(Standard,
Rec’d
Practice,
etc.)

Difference

Details of Difference

Comments/Status

C1
1.1.83

Definition:
VOLMET

Less protective or partially implemented or not implemented

UK VOLMET and D-VOLMET provides current aerodrome routine meteorological reports only.

System designed to give rapid refresh of current conditions at key aerodromes in high density air traffic airspace.

C3
3.2.1

Standard

Different in character or other means of compliance

Differences in specifications for World Area Forecast System (WAFS) Upper-Air (En-route). SIGWX forecast information, and in the appearance of WAFS SIGWX Forecast Charts produced by World Area Forecast Centre London - WAFC London (Appendix 2, Paragraphs 1.3.2, 1.3.3, and 1.3.4). Users should refer to and be familiar with UK AIC P 168/2024 (Changes to SIGWX Forecasts).

Difference will be addressed, and the specifications will become aligned with Annex 3, Amendment 82 (envisaged applicability November 2025).

C4
4.1.6

Recommendation

Less protective or partially implemented or not implemented

Automated equipment for the measurement of visibility and runway visual range is not mandatory at aerodromes with runways intended for Category I instrument approach and landing operations. At these aerodromes human observed visibility and runway visual range are reported. Such aerodromes will not have fully integrated automatic systems for acquisition, processing, dissemination, and display in real time of the meteorological parameters affecting landing and take-off operations.Installation and use of equipment for measuring height of cloud base is mandatory at licensed aerodromes with precision approach runways.

C4
4.6.5.1

Standard

Different in character or other means of compliance

Vertical visibility is not measured in the UK.

In the UK when the sky is obscured 'VV///’ is reported in lieu of cloud information.

C5
5.3.1

Recommendation

Less protective or partially implemented or not implemented

Secondary Surveillance Radar (SSR) Mode S within Europe does not support the downlinking of automated routine observations sent via ADS in the Shanwick Oceanic Area are made every 30 minutes.

Current European Mode S Downlink Aircraft Parameters do not include the meteorological data block. WMO AMDAR data provides automated en-route meteorological observations.

C5
5.3.4

Standard

Less protective or partially implemented or not implemented

Secondary Surveillance Radar (SSR) Mode S within Europe does not support the downlinking of automated routine observations.

Aircraft reports in the climb-out phase are obtained via AMDAR.

C6
6.2.6

Recommendation

Less protective or partially implemented or not implemented

UK issues TAFs of 2-5 hour validity to aerodromes that are due to close.

TAFs with validity periods of less than 6 hours are issued to aerodromes that are due to close in order to reduce the number of TAF cancellations.

C6
6.5.2 and 6.5.3

Standard

Less protective or partially implemented or not implemented

AIRMET information is not issued in the UK. GAMET area forecasts in plain language are issued.

AIRMET information is not issued as the specified phenomena are covered by SIGMET where applicable and appropriate warnings in low-level area forecasts.

C7
7.2.1
to
7.2.3

Standard

Less protective or partially implemented or not implemented

AIRMET information is not issued in the UK.

AIRMET information is not issued as the specified phenomena are covered by SIGMET where applicable and appropriate warnings in low-level area forecasts.

C7
7.3.2

Recommendation

Less protective or partially implemented or not implemented

Aerodrome warnings in the UK are issued at specified times and are not cancelled or amended between issue times, except at certain aerodromes.For operational reasons at certain aerodromes warnings will be issued, cancelled or amended 24/7 as required.

C11
11.5

Standard

Less protective or partially implemented or not implemented

UK D-VOLMET reflects the content of UK VHF VOLMET broadcasts and does not provide TAF, SIGMET, special air-reports or AIRMET.

The D-VOLMET service is provided using the same equipment as VHF VOLMET.

C11
11.6.1

Standard

Less protective or partially implemented or not implemented

UK VOLMET provides current aerodrome routine meteorological reports (METAR) only.

System designed to give rapid refresh of current conditions at key aerodromes in high density air traffic airspace.

C11
11.6.2

Standard

Less protective or partially implemented or not implemented

UK does not broadcast VOLMET on high frequencies (HF).

The UK only broadcasts VOLMET on VHF broadcasts.

Annex 4: Aeronautical Charts (11th Edition) (AMDT 61)

ICAO
Ref.

Category
(Standard,
Rec’d
Practice,
etc.)

Difference

Details of Difference

Comments/Status

C11.1.4DefinitionAerodrome reference pointMore exacting or exceedsIn the UK the aerodrome reference point is the geographical location of the aerodrome and the centre of its traffic zone where an ATZ is established. 
C11.1.9DefinitionAir transit routeLess Protective or partially implemented or not implementedHeli Route’ or Helicopter Main Route’ (HMR) are used in place of Air transit route. 
C11.1.62DefinitionInstrument approach procedureMore exacting or exceedsThe UK definition includes instrument approach procedure classifications. 
C22.1.8RecommendationDifferent in character or other means of complianceIn the UK the basic sheet size of the charts is 297 MM x 210 MM (A4).Reduction in sheet size would reduce the area of coverage and the amount of data published.
C44.1 - 4.10.4StandardLess protective or partially implemented or not implementedThe UK does not produce an Aerodrome Obstacle Chart ICAO Type B.A demand for this chart has not been identified in the UK. User requirement is satisfied by the current content of the AIP. There are no current plans to produce this chart.
C55.1 - 5.8.8StandardLess protective or partially implemented or not implementedThe UK does not produce an Aerodrome Terrain and Obstacle Chart - ICAO (Electronic).A demand for this chart has not been identified in the UK.
C77.1 – 7.9.4.2 StandardLess protective or partially implemented or not implementedThe UK does not produce the En-route Chart - ICAO.Information is published in tabular format in UK AIP ENR 3. Similar charts produced by industry are more appropriate for use by aircraft operators.
C88.1 - 8.9.4.1.1StandardLess protective or partially implemented or not implementedThe UK does not produce the Area Chart - ICAO.Requirement fulfilled by other means - SID and STAR charts, Approach charts and 1:500000 charts.
C99.9.3.1StandardDifferent in character or other means of complianceOnly Area Minimum Altitude (AMA) are shown.The extent of the Minimum Sector Altitude (MSA) does not sufficiently take account of the complete route.
C99.9.4.2RecommendationDifferent in character or other means of complianceThe communication failure procedure is not shown on SID Charts. Communication failure procedures are shown on ATC Surveillance Minimum Altitude Charts.UK will review its administrative arrangements and make amendments as applicable.
C1010.9.3.1StandardDifferent in character or other means of complianceOnly Area Minimum Altitude (AMA) are shown.The extent of the Minimum Sector Altitude (MSA) does not sufficiently take account of the complete route.
C1010.9.4.2RecommendationDifferent in character or other means of complianceThe communication failure procedure is not shown on STAR Charts. Communication failure procedures are shown on ATC Surveillance Minimum Altitude Charts.UK will review its administrative arrangements and make amendments as applicable.
C1111.4RecommendationMore exacting or exceedsIn the UK the basic sheet size of the charts is 297 MM x 210 MM (A4).Reduction in sheet size would reduce the area of coverage and the amount of data published.
C1111.8.2StandardDifferent in character or other means of complianceThe magnetic variation shown only agrees with non-VOR procedures.The set value of the VOR is used in the design of a VOR procedure and this could be different from the local magnetic variation value.
C1111.10.2.2RecommendationLess protective or partially implemented or not implementedOnly a generic set of obstacles for the area are shown, which does not always include the controlling obstacles.For chart clarity purposes.
C1111.10.4.3RecommendationLess protective or partially implemented or not implementedThe Final Approach Fix or Point (FAF/FAP) geographical co-ordinates are not shown.A requirement for publication of these co-ordinates has not been identified in the UK.
C1111.10.6.3StandardDifferent in character or other means of compliancef) Transition altitude information is not shown within the profile area. 
C1111.10.7.1StandardLess protective or partially implemented or not implementedAerodrome operating minima is not shown on UK Instrument Approach Charts.UK publishes the Obstacle Clearance Altitude and Obstacle Clearance Height (OCA/H), and instructions on how to calculate the Aerodrome Operating Minima in the UK AIP AD 1.1 subsection 4.
C1111.10.7.2StandardLess protective or partially implemented or not implementedOnly basic CAT D OCA(H) are shown.Work is currently underway to identify the measures required to achieve compliance with this standard.
C1111.10.8.5StandardLess protective or partially implemented or not implementedIn accordance with PANS-OPS (Doc 8168), only the approach descent gradient is shown on UK AIP non-precision instrument approach charts.Fully compliant for RNAV IAPs when BaroVNAV and/or SBAS elements have been provided on the chart.
C1111.10.8.9StandardLess protective or partially implemented or not implementedThis Standard has not been implemented in the UK as there are no approach procedures authorised in the UK for simultaneous operations.Implementation of the provision will be reviewed should simultaneous operations be introduced in the UK.
C1111.10.9StandardLess protective or partially implemented or not implementedOnly RNAV coding data is shown.Non RNAV procedures were designed pre RNAV standards and/or will not conform to coding standards. Therefore the UK has taken the position to not supply appropriate data for non RNAV procedures.
C1212.1 to 12.10.6.2StandardLess protective or partially implemented or not implementedThe UK does not produce the Visual Approach Chart - ICAO.Established Visual Approach Procedures do not exist in UK.
C1313.6.2RecommendationLess protective or partially implemented or not implementedThe location where the wing tips may be safely extended is not shown on charts.It is not anticipated that aeroplanes with folding wing tips will be operating to/from UK aerodromes before 2023 and the recommendation will be reviewed ahead of this time.
C1414.6.2RecommendationLess protective or partially implemented or not implementedThe location where the wing tips may be safely extended is not shown on charts.It is not anticipated that aeroplanes with folding wing tips will be operating to/from UK aerodromes before 2023 and the recommendation will be reviewed ahead of this time.
C1616.1 to 16.9.7.2StandardLess protective or partially implemented or not implementedThe UK does not produce the World Aeronautical Chart ICAO 1:1 000 000.There is no operational requirement for this chart. ICAO Chart 1:500 000 is produced instead.
C1717.4.3RecommendationDifferent in character or other means of complianceChart is sold flat.Chart user folds at own discretion.
C1717.7.11.1RecommendationLess Protective or partially implemented or not implementedOnly hypsometric tints and contours shown.Not applicable to UK topography.
C1717.7.12.2StandardLess Protective or partially implemented or not implementedLimits of tree growth not shown.Not applicable to UK topography.
C1818.1 to 18.8.5StandardLess Protective or partially implemented or not implementedThe UK does not produce the Aeronautical Navigation Chart - ICAO Small scale.This Chart is not produced in the UK as there is either no operational requirement for the chart, or equivalent charts which are more appropriate for the required use are made available by commercial organisations.
C1919.1 to 19.9.2StandardLess Protective or partially implemented or not implementedThe UK does not produce the Plotting Chart - ICAO.There is no operational requirement for the chart in the UK. Aircraft Operators use large format or Electronic En-Route charts provided by commercial organizations. These are more appropriate for the required use.
C2020.1 to 20.6StandardLess Protective or partially implemented or not implementedThe UK does not produce the Electronic Aeronautical Chart Display - ICAO.Products provided by commercial service providers are more suitable for use by aircraft operators.

Annex 5: Units of Measurement to be Used in Air and Ground Operations (5th Edition) (AMDT 17)

ICAO
Ref.

Category
(Standard,
Rec’d
Practice,
etc.)

Difference

Details of Difference

Comments/Status

NIL

Annex 6 Part 1: Operation of Aircraft (International Commercial Air Transport - Aeroplanes) (12th Edition) (AMDT 48)

ICAO Ref.

Category (Standard,
Rec’d
Practice,
etc.)

Difference

Details of Difference

Comments/Status

C3
3.1.4

Standard

Different in character or other means of compliance

The UK does not give any formal status to flight operations officers/flight dispatchers.

The UK requires an operator to ensure that the operations manual contains instructions and information necessary for operations personnel to perform their duty including training for those other than crew members.

C3
3.1.5

Standard

Less protective or partially implemented or not implemented

The UK does not give any formal status to flight operations officers/flight dispatchers.

The UK requires an operator to ensure that the operations manual contains instructions and information necessary for operations personnel to perform their duty including training for those other than crew members.

C3
3.3.1

Recommendation

Less protective or partially implemented or not implemented

The UK only requires operators of aeroplanes in excess of 27,000 KG to establish FDM programmes.

The term Flight Data Monitoring is used instead of Flight Data Analysis.

C3
3.5.1

Standard

Less protective or partially implemented or not implemented

The scope of CAT.GEN.MPA.205 – aircraft tracking - is essentially restricted to aeroplanes in excess of 27,000 KG.

Requiring an aircraft tracking capability for lighter aeroplanes is considered to be disproportionate with regards to the cost and expected safety benefit.

C3
3.5.2,

3.5.3

Standard & Recommendation

Less protective or partially implemented or not implemented

The UK only requires tracking of such aeroplanes with a first individual CofA on or after 16 December 2018.

 

C4
4.2.1.3.1

Standard

Different in character or other means of compliance

The operator remains responsible that the contracted services comply with the applicable requirements and that the aviation safety hazards associated with contracted services or products are considered by the operator’s management system. However, it is not specified that the operator shall develop policies and procedures for third parties. 

C4
4.2.8.1.1

Standard

Less protective or partially implemented or not implemented

The regulations currently only provide operational credits for HUDs and EVS.

The approval for additional operational credits will be introduced through AWO rule changes.

C4
4.2.8.3

Standard

Less protective or partially implemented or not implemented

The new approach classifications have not yet been transposed into UK regulations.

Alignment will be considered within future rule making activities.

C4
4.2.8.6

Recommendation

Less protective or partially implemented or not implemented

The UK allows Met Visibility to be converted to RVR. No limiting visibility is prescribed.

C4
4.3.3.1

Standard

Less protective or partially implemented or not implemented

In the UK, the commander is not required to sign the Operational Flight Plan (OFP). An OFP is not required for operations under VFR of other-than-complex motor-powered aeroplane taking off and landing at the same aerodrome or operating site.

Alignment will be considered within future rule making activities.

C4
4.3.4.1.2

Standard

Different in character or other means of compliance

UK rules allow 2 hours for ETOPS (EDTO not yet implemented).

 

C4
4.3.4.1.3

Standard

More exacting or exceeds

CAT.OP.MPA.185 (a) requires a period commencing one hour before and ending one hour after the estimated time of arrival at the aerodrome.

 

C4
4.3.4.3.1

Standard

More exacting or exceeds

UK ANO rules require a period commencing two hours before and ending two hours after the estimated time of arrival at the aerodrome. 

C4
4.3.4.4

Standard

Less protective or partially implemented or not implemented

The UK has not yet adopted this Standard.

Alignment will be considered within future rule making activities.

C4
4.3.6.4

Recommendation

Less protective or partially implemented or not implemented

The UK has not adopted this Recommendation. 

C4
4.3.7.2.1

Standard

Less protective or partially implemented or not implemented

The UK has not yet adopted this Standard but rule changes are under development.

 

C4
4.3.10.1

Recommendation

Less protective or partially implemented or not implemented

The recommendation will be considered in the scope of rule making for the implementation of the EDTO standards.

 

C4
4.5.5

Standard

Different in character or other means of compliance

The operator specifies the procedure in the OM which the Pilot in Command is obliged to comply with in accordance with CAT.GEN.MPA.105 (a)(8). 

C4
4.6.1, 4.6.2

Standard

Different in character or other means of compliance

The UK does not give any formal status to flight operations officers/flight dispatchers.

C4
4.7.1.1, 4.7.1.2, 4.7.2.1 to 4.7.2.3.1 and 4.7.2.4 to 4.7.2.6

Standard

Less protective or partially implemented or not implemented

The UK has not yet adopted the Standard for EDTO which will be the subject of future rule making and implementation.

The UK uses ETOPS procedures.

C4
4.7.2.7

Recommendation

Less protective or partially implemented or not implemented

The UK has not adopted this Recommendation.

The UK uses ETOPS procedures.

C4
4.9.2

Standard

Less protective or partially implemented or not implemented

Under UK Reg.(EU) 965/2012, the maximum certificated take-off mass (MCTOM) is not stipulated. 

C6
6.1.5

Standard

Less protective or partially implemented or not implemented

The UK has not ratified Article 83 bis but would follow this Standard if required.

C6
6.2.2.1

Standard

Less protective or partially implemented or not implemented

Only applied to large aeroplanes with a first individual CofA on or after 18 February 2020 for lavatory waste receptacles, and 18 May 2019 for portable fire extinguishers. 

C6
6.3.1.1.1

Standard

Different in character or other means of compliance

CAT.IDE.A.190 (a)(3) applies to multi-engine turbine-powered aeroplanes with an MCTOM of 5700 KG or less with a MOPSC of more than 9.

CAT.IDE.A.190 (b)(5) is applicable to aeroplanes with an individual first CofA on or after 1 January 2016.

CAT.IDE.A.191 (light weight FDR) applies to turbine-engine aeroplanes with MCTOM of 2250 KG or more, or aeroplanes with a MOPSC of more than 9 not covered under CAT.IDE.A.190, and first issued with an individual CofA on or after 5 September 2022.

 

C6
6.3.1.1.2

Recommendation

Different in character or other means of compliance

ANO 2016 and CAT.IDE.A.190 (a)(3) applies to multi-engine turbine-powered aeroplanes with an MCTOM of 5700 KG or less with a MOPSC of more than 9.

CAT.IDE.A.190 (b)(5) is applicable to aeroplanes with an individual first CofA on or after 1 January 2016.

CAT.IDE.A.191 (light weight FDR) applies to turbine-engine aeroplanes with MCTOM of 2250 KG or more, or aeroplanes with a MOPSC of more than 9 not covered under CAT.IDE.A.190, and first issued with an individual CofA on or after 5 September 2022 not covered under CAT.IDE.A.190, and first issued with an individual CofA on or after 5 September 2022.

 

C6
6.3.1.1.3

Standard

More exacting or exceeds

CAT.IDE.A.190 (a)(1) applies to aeroplanes with an individual CofA after 1 June 1990 and MCTOM of more than 5700 KG.

CAT.IDE.A.190 (a)(2) applies to turbine-engined aeroplanes with an individual CofA before 1 June 1990 and MCTOM of more than 5700 KG.

 

C6
6.3.1.1.4

Standard

Different in character or other means of compliance

ANO 2016 and CAT.IDE.A.190 (a)(1) applies to aeroplanes with an individual CofA after 1 June 1990 and MCTOM of more than 5700 KG.

CAT.IDE.A.190 (a)(2) applies to turbine-engined aeroplanes with an individual CofA before 1 June 1990 and MCTOM of more than 5700 KG.

 

C6
6.3.1.1.5

Recommendation

Different in character or other means of compliance

ANO 2016 applies to aeroplanes with an individual CofA on or after 1 June 1990 and CAT.IDE.A.190 (a)(3) applies to aeroplanes with an individual CofA on or after 1 April 1998.

 

C6
6.3.1.1.7

Recommendation

More exacting or exceeds

CAT.IDE.A.190 (a) captures all turbine-engined aeroplanes with an individual CofA before 1 June 1990 and MCTOM of more than 5700 KG.

 
C6
6.3.1.1.8, 6.3.1.1.9

Standard & Recommendation

More exacting or exceeds

CAT.IDE.A.190 (a)(2) applies to all turbine-engined aeroplanes with a MCTOM of over 5700 KG and first issued with an individual CofA before 1 June 1990 whatever the date of prototype certification.

 

C6
6.3.1.1.10

Standard

Less protective or partially implemented or not implemented

CAT.IDE.A.190 (a)(1) applies to all aeroplanes with a MCTOM of over 5700 KG with an individual CofA issued on or after 1 June 1990. However, in the case where the aeroplane was first issued an individual CofA between 1 January 2005 and 1 January 2016, AMC2 CAT.IDE.A.190 is applicable but does not specify all of the first 78 parameters listed in table A8-1.

 

C6
6.3.1.1.11

6.3.1.1.12

Standard &

Recommendation

More exacting or exceeds

CAT.IDE.A.190 (a)(1) applies to all aeroplanes with a MCTOM of over 5700 KG and first issued with an individual CofA on or after 1 June 1990.

AMC1.2 CAT.IDE.A.190 is applicable to aeroplanes first issued with an individual CofA on or after 1 January 2023.

AMC1.2 CAT.IDE.A.190 specifies the 82 parameters listed in table A8-1.

C6
6.3.1.2

Standard

Less protective or partially implemented or not implemented

Not specifically stated but CAT.IDE.A.190 requires that the FDR uses a digital method of recording and storing the data, hence CAT.IDE.A.190 excludes de facto engraving metal foil and photographic film.

 

C6
6.3.1.3

Standard

More exacting or exceeds

The minimum recording duration for the FDR is 25 hours for aeroplanes other than those referenced in 6.3.1.1.5. For aeroplanes referenced in 6.3.1.1.5, the minimum recording duration is 10 hours. 

C6
6.3.2.1.1, 6.3.2.1.2, and 6.3.2.3.3

Standard &

Recommendation

Less protective or partially implemented or not implemented

The UK has not yet adopted this Standard/Recommendation.

Alignment will be considered within future rule making activities.

C6
6.3.2.4.2

Standard

More exacting or exceeds

The requirement is for aeroplanes with an individual first CofA from 5 September 2022. 

C6
6.3.2.4.3

Recommendation

Less protective or partially implemented or not implemented

The requirement is for aeroplanes with an individual first CofA from 5 September 2022.

 

C6
6.3.3.1.1

Standard

More exacting or exceeds

The requirement is for aeroplanes with an individual first CofA from 8 April 2014.

 

C6
6.3.3.1.2, 6.3.3.1.3

Standard &

Recommendation

Less protective or partially implemented or not implemented

The requirement is for aeroplanes with an individual first CofA from 8 April 2014 but no retrofit or update is required.

 

C6
6.3.4.1.1, 6.3.4.1.2, 6.3.4.2, 6.3.4.3, 6.3.5.4

Standard &

Recommendation

Less protective or partially implemented or not implemented

The UK has not yet adopted this Standard/Recommendation.Alignment will be considered within future rule making activities.

C6
6.3.5.5.1

Recommendation

Different in character or other means of complianceAeroplanes required to be fitted with a FDR and CVR may instead be fitted with combination recorders. 

C6
6.3.5.5.2

Standard

Less protective or partially implemented or not implementedThe UK has not yet adopted this Standard but aeroplanes required to be fitted with a FDR and CVR may instead be fitted with combination recorders.Alignment will be considered within future rule making activities.

C6
6.3.6.1

Standard

Different in character or other means of complianceCAT.GEN.MPA.210 is applicable to aeroplanes with MCTOM of over 27,000 KG with a MOPSC of more than 19 and all aeroplanes with a MCTOM of more than 45,500 KG. CAT.GEN.MPA.210 is applicable to such aeroplanes with a CofA first issued on or after 1 January 2023.The means for accurately locating the point of end of flight after an accident required by CAT.GEN.MPA.210 will, as a secondary benefit, also allow quick retrieval of flight recorder data.

C6
6.3.6.2

Standard

Different in character or other means of complianceCAT.GEN.MPA.210 is also applicable to aeroplanes with MCTOM of over 45,500 KG and less than 19 pax. CAT.GEN.MPA.210 is applicable to every aeroplane with a CofA first issued on or after 1 January 2023.The means for accurately locating the point of end of flight after an accident required by CAT.GEN.MPA.210 will, as a secondary benefit, also allow quick retrieval of flight recorder data.

C6
6.5.2.1

Standard

Less protective or partially implemented or not implementedFor aeroplanes under CAT.IDE.A.285, carriage of life jackets when flying en route over water beyond gliding distance from the shore, in the case of all other land planes (not operated in accordance with 5.2.9 or 5.2.10) not implemented. 

C6
6.5.3.1

Standard

Less protective or partially implemented or not implementedFor aeroplanes under CAT.IDE.A.285, the ULD at (c) might not be fitted if the aeroplane is equipped with robust and automatic means to accurately determine, following an accident where the aeroplane is severely damaged, the location of the point of end of flight. 

C6
6.12

Standard

Different in character or other means of compliance

Management of cosmic radiation is conducted in accordance with the Air Navigation (Cosmic Radiation: protection of Air Crew and Space Crew and Consequential Amendments) Order 2019 and equipment is not necessarily carried on board the aircraft. 

C6
6.18.1

Standard

Different in character or other means of compliance

The UK has currently adopted the EASA implementation requirements which are intended to meet the same objective as 6.18.1 'to establish the location of an accident site within 6 NM radius'. Alignment will be considered within future rule making activities.

C6
6.18.2

Recommendation

Different in character or other means of compliance

The UK has not yet adopted this Recommendation.Alignment will be considered within future rule making activities.

C6
6.18.3

Standard

Different in character or other means of compliance

The provision of position information will be dependent on how that information is derived. 

C6
6.19.2

Recommendation

Less protective or partially implemented or not implemented

The UK has not adopted this Recommendation. 

C6
6.20.2, 6.20.3, 6.22.1, 6.22.2, 6.24

Standard &

Recommendation

Less protective or partially implemented or not implemented

The UK has not yet adopted this Standard/Recommendation.Alignment will be considered within future rule making activities.

C8
8.2.1

Standard

Less protective or partially implemented or not implemented

UK requirements do not address the human factors principles in Part M sub part G and Part CAMO.

The CAMO must have a Continuing Airworthiness Maintenance Exposition which is equivalent to a Maintenance Control Manual.

C8
8.3.1

Standard

Less protective or partially implemented or not implemented

Part M Sub part G, Part CAMO and Part CAO do not observe Human Factors principles in the design of the Maintenance Programme.

 

C8
8.3.2

Standard

Less protective or partially implemented or not implemented

The requirements do not explicitly state that ‘Copies of all amendments shall be furnished promptly to all organizations or persons to whom the manual has been issued”. 

C8
8.4.2

Standard

More exacting or exceeds

The UK requires the records to be retained for 2 years. 

C8
8.8.2, 8.8.3

Standard

Less protective or partially implemented or not implemented

For CAT operations maintenance release must be completed by an approved maintenance organisation. 

C10

Standard

Less protective or partially implemented or not implemented

The UK does not give any formal status to flight operations officers/flight dispatchers.

The UK requires an operator to ensure that the operations manual contains instructions and information necessary for operations personnel to perform their duty including training for those other than crew members.

C11
11.4.3

Recommendation

Less protective or partially implemented or not implemented

The UK only requires the Journey Log Book to be retained for three months.

 

C12
12.4

Standard

More exacting or exceeds

For CAT operations, Cabin Crew are required to hold a CC Attestation following the successful completion of the Initial training required by UK Reg.(EU) 1178/2011. 

C13
13.2.4

Recommendation

Less protective or partially implemented or not implemented

The UK has not mandated this Recommendation.

It is not considered practical to implement this Recommendation on some smaller aircraft.

C13
13.6.1

Recommendation

Less protective or partially implemented or not implemented

The UK does not currently prescribe that specialised means of attenuating and directing the blast should be provided for use in the least-risk bomb location.

 

C15
15.2.1

Standard

More exacting or exceeds

Any provision of flight manual information will be provided through aeroplane certification.

 

Annex 6 Part 2: Operation of Aircraft (International General Aviation - Aeroplanes) (11th Edition) (AMDT 40)

ICAO Ref.

Category (Standard, Rec’d Practice, etc.)

Difference

Details of Difference

Comments/Status

2.2.3.4.2 & 2.2.3.4.3StandardMore exacting or exceedsUK ANO rules require a period commencing two hours before and ending two hours after the estimated time of arrival at the aerodrome. 
2.4.2.2

Standard

More exacting or exceedsIn order to operate within UK airspace, Operators are also required to carry a functioning active Carbon Monoxide detector, capable of alerting flight crew by aural and/or visual warnings in affected piston engine aircraft, when operating with passengers onboard who do not hold a recognised flight crew qualification.Carbon Monoxide poisoning has been a factor in multiple General Aviation accidents in the UK. To address this the CAA has published a Safety Directive (SD 2024/001 V2), which establishes the mandatory carriage of a functioning active CO detector, applicable to both UK registered and non-UK registered aircraft operating in UK airspace, Operators must review the Safety Directive to determine if it is applicable to their operation. It is the intention of the CAA to incorporate this Safety Directive into legislation at an appropriate time in the future.
2.4.2.3

Standard

Less protective or partially implemented or not implemented

Only applied to large aeroplanes with a first individual CofA on or after 18 February 2020 for lavatory waste receptacles, and 18 May 2019 for portable fire extinguishers.

Alignment will be considered within future rule making activity.

2.4.3.2

Recommendation

Different in character or other means of compliance

The UK rules do not distinguish between VFR flights and VFR controlled flights.

 
2.4.11.2, 2.4.11.3Recommendation

Less protective or partially implemented or not implemented

The UK has not yet adopted this Recommendation.

Alignment will be considered within future rule making activity.

2.4.15

Standard

Less protective or partially implemented or not implemented

The UK has not yet fully adopted this Standard.

The UK intends to develop appropriate regulations through a rule making activity.

2.4.16.1.1.1Recommendation

Less protective or partially implemented or not implemented

The UK has not yet adopted this Recommendation.Alignment will be considered within future rule making activity.

2.4.16.1.1.2, 2.4.16.1.1.3

Standard &

Recommendation

More exacting or exceedsNCC.IDE.A.165 is applicable to aeroplanes with an individual first Cof A issued on or after 1 January 2016.

2.4.16.2.1RecommendationLess protective or partially implemented or not implementedThe UK has not yet adopted this Recommendation.Alignment will be considered within future rule making activity.
2.4.16.2.3.1

Standard

More exacting or exceeds

The UK requires aeroplanes with a MCTOM of over 27,000 KG and a first individual CofA issued on or after 1 January 2021 to retain the information for the preceding 25 hours.

 
2.4.16.2.3.2, 2.4.16.3.1.2 & 2.4.16.3.1.3Standard & Recommendation

Less protective or partially implemented or not implemented

The UK has not yet adopted this Standard/Recommendation.Alignment will be considered within future rule making activity.
2.4.17.2.2 & 2.4.17.3Standard

Less protective or partially implemented or not implemented

The UK does not require a specific approval for use of EFB in non-commercial operations.

 
2.4.18

Standard

Less protective or partially implemented or not implemented

The UK has not ratified Article 83 bis but would follow these Standards if required.

 
2.6.2.2

Standard

More exacting or exceeds

The UK requires records to be retained for 2 years. 
3.1.2Recommendation

Less protective or partially implemented or not implemented

The UK has not yet adopted this Standard/Recommendation.

Alignment will be considered within future rule making activity.
3.4.2.8

Standard

Less protective or partially implemented or not implemented

The UK has not yet fully adopted this Standard but relies on individual crew management of fatigue.Alignment will be considered within future rule making activity.
3.4.3.7.1RecommendationLess protective or partially implemented or not The UK has not implemented this Recommendation.Alignment will be considered within future rule making activity.
3.6.3.1.1.1, 3.6.3.1.1.2, 3.6.3.1.1.3, 3.6.3.2.1.2Standard & RecommendationLess protective or partially implemented or not implementedNCC.IDE.A.165 is applicable to aeroplanes with an individual first Cof A issued on or after 1 January 2016.Alignment will be considered within future rule making activity.
3.6.3.2.1.1StandardMore Exacting or ExceedsThis Standard is applied to turbine aeroplanes with a MCTOM of more than 2250 KG.Alignment will be considered within future rule making activity.
3.6.3.2.1.3RecommendationLess protective or partially implemented or not implementedThe UK has not implemented this Recommendation.Alignment will be considered within future rule making activity.
3.6.9.1RecommendationMore exacting or exceedsThe UK requires all turbine-engined aeroplanes of more than 5700 KG or a MOPSC of more than 19 to be fitted with ACAS.Alignment will be considered within future rule making activity.
3.8.5.2, 3.8.5.3StandardMore exacting or exceedsIn the UK an AME can only release a Non Part 21 aircraft on their license.UK AME cannot release a large turbojet aircraft. Alignment will be considered within future rule making activity.
3.10RecommendationLess protective or partially implemented or not implementedThe UK does not give any formal status to flight operations officers/flight dispatchers. The UK does not specify the duties and training associated with the employment of flight operations officers / flight dispatchers.Alignment will be considered within future rule making activity.

Annex 6 Part 3: Operation of Aircraft (International Operations - Helicopters) (11th Edition) (AMDT 24)

ICAO Ref.

Category (Standard, Rec’d Practice, etc.)

Difference

Details of Difference

Comments/Status

Section 2
1.1.4StandardDifferent in character or other means of complianceThe UK does not give any formal status to flight operations officers/flight dispatchers.The UK requires an operator to ensure that the operations manual contains instructions and information necessary for operations personnel to perform their duty including training for those other than crew members.
1.1.5, 2.6.1,
2.6.2
StandardLess protective or partially implemented or not implementedThe UK does not give any formal status to flight operations officers/flight dispatchers.The UK requires an operator to ensure that the operations manual contains instructions and information necessary for operations personnel to perform their duty including training for those other than crew members.
1.3.1RecommendationLess protective or partially implemented or not implementedThe UK only requires operators of helicopters conducting CAT operations under a Helicopter Offshore Operations Specific Approval to establish FDM programmes. 
2.2.8.1.1, 2.2.8.1.2StandardLess protective or partially implemented or not implementedThe UK currently only provides operational credits for HUDs and EVS.The approval for additional operational credits will be introduced through AWO rule changes.
2.2.8.1.3StandardLess protective or partially implemented or not implementedNot yet implemented.The criteria for safe operation of aircraft with operational credit with minima above those related to low visibility operations will be introduced through AWO rule changes.
2.2.8.3StandardLess protective or partially implemented or not implementedThe new approach classifications have not yet been transposed into UK regulations.Alignment will be considered within future rule making activities.
2.2.8.6RecommendationLess protective or partially implemented or not implementedThe UK allows Met Visibility to be converted to RVR. No limiting visibility is prescribed. 
2.3.3.1StandardLess protective or partially implemented or not implementedUK regulations do not require the commander to sign the Operational Flight Plan.
An OFP is not required for operations under VFR of helicopters with an MCTOM of 3175 KG or less, by day and over routes navigated by reference to visual landmarks in a local area as specified in the operations manual.
Alignment will be considered within future rule making activities.
2.3.4.1.2StandardMore exacting or exceedsThe UK requires in CAT.OP.MPA.186 (a) a period commencing one hour before and ending one hour after the estimated time of arrival at the aerodrome. 
2.3.4.2.1StandardMore exacting or exceedsThe UK ANO regulations require a period commencing two hours before and ending two hours after the estimated time of arrival at the aerodrome. 
2.3.4.3.10RecommendationDifferent in character or other means of complianceOperator’s procedures for the use of offshore destination alternate heliports are required to be approved under SPA.HOFO. 
2.3.4.3.15RecommendationLess protective or partially implemented or not implementedNo minimum distance between destination and offshore destination heliport is specified. 
2.3.6.2, 2.3.6.3, 2.3.6.3.1, 2.3.6.3.2, 2.3.6.4StandardLess protective or partially implemented or not implementedThe UK does not specify duration of fuel/oil reserves for non-Part-21 flights. 
2.3.7.1 & 2.3.7.6StandardLess protective or partially implemented or not implemented(a) passenger embarking/disembarking is permitted with appropriate precautions.(b) oxygen replenishment is allowed. 
2.3.7.2StandardLess protective or partially implemented or not implementedAlternative means of compliance is given in AMC1 CAT.OP.MPA.195 SPA.HEMS.155 
2.3.7.4StandardLess protective or partially implemented or not implemented(f) and (g) not implemented in the UK. 
2.3.8.2, 4.8.2, 4.8.3, 4.8.4Standard & RecommendationLess protective or partially implemented or not implementedNot implemented for CAT aircraft. There are no pressurised helicopters operated in the UK. 
2.8.1, 2.8.2StandardLess protective or partially implemented or not implementedThe UK does not currently permit the use of a FRMS for CAT operations with helicopters. 
3.1.4, 3.4.1, 3.4.2, 3.4.3, 3.4.4Standard & RecommendationLess protective or partially implemented or not implementedThe UK does not permit IMC operations in Performance Class 3. 
4.1.5.1, 4.1.5.2, 4.1.5.3, 4.1.5.4Standard & RecommendationLess protective or partially implemented or not implementedThe UK has not ratified Article 83 bis but would follow these Standards and Recommended Practice if required. 
4.2.2StandardLess protective or partially implemented or not implementedUK Reg (EU) 965/2012 does not require the carriage of spare electrical fuses in helicopters. 
4.2.2.1StandardLess protective or partially implemented or not implementedThe UK only requires this for Large Helicopters with Initial CofA after 18 February 2020 (lavatory) and 18 May 2019 (portable). 
4.3.1.1.2StandardMore exacting or exceedsThe passenger capacity threshold in CAT.IDE.H.190 (a)(1) is 9 not 19. 
4.3.1.1.3RecommendationMore exacting or exceedsThe UK requires this as a standard for Public Transport helicopters between 2730 and 7000 KG. Required for CAT helicopters first issued with an individual CofA on or after 1 August 1999. 
4.3.1.1.4StandardLess protective or partially implemented or not implementedOnly required for CAT and the scope of CAT.IDE.H.191 covers those helicopters with an individual CofA first issued on or after 5 September 2022. 
4.3.1.1.5RecommendationLess protective or partially implemented or not implementedOnly required for CAT Turbine helicopters and the scope of CAT.IDE.H.191 covers those helicopters with an individual CofA first issued on or after 5 September 2022. 
4.3.1.3StandardLess protective or partially implemented or not implementedThe UK only requires recorders capable of retaining the information recorded during at least the last 8 hours of their operation for Public Transport operations. For CAT operations only in the case of helicopters first issued with an individual CofA on or after 1 January 2016 is the FDR required to record data for at least the preceding 10 hours. 
4.3.2.3StandardLess protective or partially implemented or not implementedFully implemented for CAT helicopters with initial CofA after 1 Jan 2016. Other helicopters are required to be equipped with a CVR capable of retaining the information of a duration of only 1 hour or 0.5 hours. 
4.3.3.1.1StandardMore exacting or exceedsThe data link recording capability is required for CAT helicopters first issued with an individual CofA on or after 8 April 2014. 
4.3.3.1.2, 4.3.3.1.3Standard & RecommendationLess protective or partially implemented or not implementedThe data link recording capability is only required for CAT helicopters first issued with an individual CofA on or after 8 April 2014. 
4.3.4.4RecommendationLess protective or partially implemented or not implementedPartially implemented. FDR documentation is not currently required to be in electronic format. 
4.4.4RecommendationLess protective or partially implemented or not implementedThe UK has not implemented this Recommendation for Non-Part-21 aircraft and has partially implemented only for CAT HOFO operations for Part-21 aircraft. 
4.5.2.6, 4.5.2.8RecommendationLess protective or partially implemented or not implementedThe UK has not implemented this Recommendation for Public Transport aircraft but the AMC for CAT aircraft is applicable to all helicopters regardless of the date of issuance of the CofA. 
4.5.2.7RecommendationLess protective or partially implemented or not implementedThe UK has not implemented this Recommendation for Public Transport aircraft but the AMC for CAT aircraft ensures that all life rafts of more than 40 KG should have remote control deployment. 
4.10.1RecommendationLess protective or partially implemented or not implementedNot required for Public Transport aircraft and only for CAT helicopters with pax seating capability of more than 9. 
4.15.1RecommendationMore Exacting or ExceedingThe UK has mandated this Recommendation for operations in hostile environment. 
4.16StandardLess protective or partially implemented or not implementedUK Reg. (EU) 965/2012 does not contain rules for SVS and CVS.UK Reg. (EU) 965/2012 currently only allows operational credits for HUDs and EVS. The approval for additional operational credits will be introduced in the OPS regulation through the AWO rule making activity.
6.3.1StandardLess protective or partially implemented or not implementedThe UK does not require operators to observe Human Factors principles in the design and application of the maintenance manual. 
6.3.2StandardLess protective or partially implemented or not implementedPartially implemented. UK requirements do not explicitly describe that ‘Copies of all amendments shall be furnished promptly to all organizations or persons to whom the manual has been issued’. 
6.4.2,
6.8.2
StandardMore Exacting or ExceedingRetaining periods vary but exceed the ICAO requirement. 
8.1, 8.2, 8.3, 8.4, 8.5Standard & RecommendationLess protective or partially implemented or not implementedThe UK does not give any formal status to flight operations officers/flight dispatchers. The UK does not specify the duties and training associated with the employment of flight operations officers / flight dispatchers.The UK requires an operator to ensure that the operations manuals contains instructions and information necessary for operations personnel to perform their duty including training for those other than crew members.
9.4.3RecommendationLess protective or partially implemented or not implementedThe UK only requires the Journey Log Book to be retained for 3 months. 
12.4.3.3StandardLess protective or partially implemented or not implementedNot Implemented. 
Section 3
1.1.5RecommendationLess protective or partially implemented or not implementedFully implemented for NCC but not explicitly implemented for NCO. 
2.2.1.1StandardLess protective or partially implemented or not implementedUK regulations currently only provide operational credits for HUDs and EVS.For non-commercial operators, the State of Operator approves the operational credits instead of the State of Registry.The approval for additional operational credits will be introduced through AWO rule changes.
2.2.1.2StandardLess protective or partially implemented or not implementedThe UK currently only provides operational credits for HUDs and EVS.The approval for additional operational credits will be introduced through AWO rule changes.
2.2.1.3StandardLess protective or partially implemented or not implementedNot Implemented.The criteria for safe operation of aircraft with operational credit with minima above those related to low visibility operations will be introduced through AWO rule changes.
2.6.2.1StandardLess protective or partially implemented or not implementedWeather conditions, at the heliport of intended landing OR at least one alternate heliport will, at the estimated time of arrival, be at or above the heliport operating minima. 
2.7.1StandardMore exacting or exceedsFor isolated heliports the minimum weather conditions defined in 2.6.2.2 have to prevail and all the other conditions must be met. 
2.7.2StandardLess protective or partially implemented or not implementedFully implemented for NCC. Not implemented for NCO flights. 
2.7.3StandardLess protective or partially implemented or not implementedFully implemented for NCC. Not implemented for NCO flights.Offshore alternatives in a hostile environment may be used. 
2.8.2, 2.8.3.1, 2.8.3.2, 2.8.3.3StandardLess protective or partially implemented or not implementedThe UK does not specify duration of fuel/oil reserves for non-Part-21 flights. 
2.8.4StandardLess protective or partially implemented or not implementedThe UK does not specify potential contingencies for non Part-21 flights. 
2.10.1, 2.11,
4.5.1
StandardLess protective or partially implemented or not implementedNCO.OP.190 contains an alleviation to the availability of oxygen on board. The pilot in command can decide to fly at any altitude without oxygen being available if he is able to determine that this can be done safely without impairment. 
2.10.2, 4.5.2.1Standard & RecommendationLess protective or partially implemented or not implementedNot implemented for NCC & NCO operations. There are no pressurised helicopters operated in the UK.
2.20StandardLess protective or partially implemented or not implementedNot implemented for NCC flights at a distance from land corresponding to 10 minutes of flight or less or NCO flights within 50 NM from land. Emergency floatation equipment can be used as another means of compliance.
4.1.3.1StandardLess protective or partially implemented or not implementedThe State of Operator is the competent authority for NCC operators and for NCO operators operating aircraft registered in a third country.The UK does not require the carriage of spare electrical fuses in helicopters.“Certificate of airworthiness” includes any flight manual, performance schedule or other document, whatever its title, incorporated by reference in that certificate relating to the certificate of airworthiness.
4.1.3.2StandardLess protective or partially implemented or not implementedPartially implemented: Only for Large Helicopters with an Initial CofA after 18 Feb 2020 (lavatory) and 18 May 2019 (portable). 
4.1.3.3RecommendationLess protective or partially implemented or not implementedNot specifically required for non Part-21 operators. Specifically implemented only on flights where additional survival equipment is required for NCC & NCO operators. 
4.2.2.1, 4.2.3Standard & RecommendationLess protective or partially implemented or not implementedTrainable Landing Lamp not required for non-Part-21 aircraft.NCC & NCO aircraft may optionally be fitted with an additional fixed light or lights positioned to give a wide spread of illumination instead. 
4.3.1StandardLess protective or partially implemented or not implementedThe floatation equipment requirement for non-Part-21 helicopters on all over water flights is not mandated. Specified conditions and distances are: For NCC - required beyond 10 minutes flying time from land over a hostile sea area. For NCO - required beyond 50 NM from land over a hostile sea area.
4.3.2.1StandardLess protective or partially implemented or not implementedUK does not mandate the carriage of life-saving rafts and equipment for making Pyrotechnical distress signals for non-Part-21 aircraft but relies on the provision of guidance material on their carriage and use. For NCC & NCO aircraft there are additional provisions for crew survival suits, life-saving equipment and survival equipment. 
4.3.2.4, 4.3.2.5, 4.3.2.6RecommendationLess protective or partially implemented or not implementedThe UK has not implemented this Recommendation for non-Part-21 and NCO aircraft.Implemented for all NCC aircraft regardless of the date of issue of the CofA. 
4.7.1.1.1StandardLess protective or partially implemented or not implementedThe UK does not mandate carriage of this type of recorder for non-Part-21 and NCO aircraft.The parameters recorded may be reduced for some NCC aircraft. 
4.7.1.1.2, 4.7.1.1.3, 4.7.2.1.2Standard & RecommendationLess protective or partially implemented or not implementedThe UK does not mandate carriage of this type of recorder in these circumstances. 
4.7.2.1.1StandardLess protective or partially implemented or not implementedThe UK does not mandate carriage of this type of recorder for non-Part-21 and NCO aircraft.It is mandated for NCC aircraft with a first CofA on or after 1 January 2016. 
4.7.3.1.2,4.7.3.1.3Standard & RecommendationLess protective or partially implemented or not implementedThe UK does not mandate carriage of this type of recorder for any aircraft with a first CofA before 1 January 2016. 
4.8.1,
4.8.2
StandardLess protective or partially implemented or not implementedThe UK does not mandate carriage of an ELT for non Part-21 aircraft.For NCC/NCO, one ELT(S) is required in each life raft. In addition, 1 ELT(AD) is required for NCC offshore over hostile waters. 
4.9.1,
4.9.2
Standard & RecommendationLess protective or partially implemented or not implementedThe UK requires Pressure-altitude reporting (Mode S) transponders for NCC aircraft at all times and for flights in notified airspace for non-Part-21 and NCO aircraft. 
4.11StandardLess protective or partially implemented or not implementedUK Reg. (EU) 965/2012 does not contain rules for SVS and CVS.Not implemented for non-Part-21 aircraft.Future rule making activities regarding AWO will introduce SVS/CVS.In addition, the State of Operator is the competent authority instead of State of Registry for NCC operators and for NCO operators using third country registered aircraft.
4.12.2.1StandardLess protective or partially implemented or not implementedNot mandated for non-Part-21 operations.The UK rules for NCO have been adapted to the characteristics of NCO operators. The level of protection is equivalent and consistent with the guidelines of ICAO Doc 10020 Chap 8.
4.12.2.2, 4.12.3StandardLess protective or partially implemented or not implementedA specific approval from the competent authority is not required for NCC, NCO or non-Part-21 operations. 
4.13.1, 4.13.2, 4.13.3, 4.13.4Standard & RecommendationLess protective or partially implemented or not implementedThe UK has not ratified Article 83 bis but would follow these Standards and Recommended Practice if required. 
5.1.1StandardLess protective or partially implemented or not implementedFor non-Part-21 and NCO aircraft the UK requires radio communication equipment when required by the applicable airspace requirements for the airspace being flown. 
5.1.3,
5.1.4
StandardLess protective or partially implemented or not implementedThe UK requires radio communication equipment when required by the applicable airspace requirements for the airspace being flown. 
5.1.7,
5.1.8
StandardDifferent in character or other means of complianceFor non-Part-21 and NCC operators the State of Operator shall establish those criteria.Not applicable to NCO because such operations are not performed with aircraft used for NCO.
5.1.9, 5.2.3, 5.2.4, 5.2.5, 5.3.3, 5.3.4,
5.3.5
StandardDifferent in character or other means of complianceFor NCC operators and for NCO operators using third country registered aircraft, the State of Operator shall establish those criteria. 
7.1StandardDifferent in character or other means of complianceFor NCC and NCO operators using third country registered aircraft, the State of Operator is the competent authority issuing or validating the licences. 

Annex 7: Aircraft Nationality and Registration Marks (6th Edition) (AMDT 7)

ICAO Ref.

Category (Standard,
Rec’d
Practice,
etc.)

Difference

Details of Difference

Comments/Status

C2
2.2
2.3

StandardLess protective or partially implemented or not implemented.The UK does not register unmanned aircraft unless they require certification. 
C4
4.2.5
StandardLess protective or partially implemented or not implemented.Balloons of not more than 2 M in any linear dimension at any stage of its flight, including any basket or other equipment attached to the balloon are exempt from registration and from the need to carry a fireproof identification plate.To exclude toy balloons from Registration. All such balloons do not carry a payload and are therefore excluded from Annex 7 section 10.
C7
7.0
StandardLess protective or partially implemented or not implemented.There is no distinct Register of unmanned free balloons. Unmanned free balloons over 2 M in any linear dimension are entered on the UK Register of Civil Aircraft.Unmanned free balloon launches that affect other airspace users are recorded but do not include all the detail specified. All such balloons do not carry a payload and are therefore excluded from Annex 7 section 10.
C8
8.1
StandardLess protective or partially implemented or not implemented.From 26 November 2026 the Air Navigation Order 2016 Articles 27 (2) and (4) require amendment to allow owners of aircraft registered in the names(s) of a charterer by demise to be included on the Certificate of Registration.A legislative change is yet to be initiated.
C9
9.1
StandardLess protective or partially implemented or not implemented.By virtue of Air Navigation Order 2016 Article 27 (2) and (4) if an aircraft is registered in the name of a charterer(s) by demise the name of the owner is not included on the Certificate of De-registration.A legislative change is yet to be initiated.
C9
9.2
StandardLess protective or partially implemented or not implemented.a) Not required. Balloons of not more than 2 M in any linear dimension at any stage of its flight, including any basket or other equipment attached to the balloon are exempt from registration and from the need to carry a fireproof identification plate.All such balloons do not carry a payload and are therefore excluded from Annex 7 section 10.

Annex 8: Airworthiness of Aircraft (11th Edition) (AMDT 108)

ICAO Ref.

Category
(Standard, Rec’d Practice, etc.)

Difference

Details of Difference

Comments/Status

Part II 1.3.2Recommendation

Less protective or partially implemented or not implemented

Non-Part-21: Not implemented. 
Part II1.5.4

Standard

Less protective or partially implemented or not implementedNot fully implemented. Process is not established. 
Part II1.6.2StandardLess protective or partially implemented or not implementedNot fully implemented. Process is not established. 
Part II1.6.3StandardLess protective or partially implemented or not implementedNot fully implemented. Process is not established. 
Part II
3.2.4
StandardLess protective or partially implemented or not implementedNo consideration is given in UK law for CofA issued by another state. Export CoA required for import. 
Part II
3.3.1
StandardLess protective or partially implemented or not implementedThe United Kingdom CAA format of Certificate of Airworthiness describes categories, but not permitted operations.It is not considered a loss of performance by this omission.
Part II3.6.1StandardDifferent in character or other means of complianceAssessment is also permitted by DOA under the UK Part-21 regulation.Safety is assured through the DOA compliance and regulatory oversight.
Part II4.2.1.5StandardLess protective or partially implemented or not implementedNot fully implemented. Process is not established. 
Part II4.2.1.6StandardLess protective or partially implemented or not implementedNot fully implemented. Process is not established. 
Part II4.2.3.3StandardLess protective or partially implemented or not implementedNot implemented. 
Part II4.2.3.4StandardLess protective or partially implemented or not implementedNot fully implemented. Process is not established. 
Part II5StandardLess protective or partially implemented or not implementedSMS not yet implemented for maintenance organisations.There is a rulemaking action to include SMS in Part 145 organisations. Subpart F and CAO, BCAR: no SMS requirements.
Part II6.2.2StandardLess protective or partially implemented or not implementedSMS not yet implemented for maintenance organisations.There is a rulemaking action to include SMS in Part 145 organisations. Subpart F and CAO, BCAR: no SMS requirements.
Part II6.2.4StandardLess protective or partially implemented or not implementedSMS not yet implemented for maintenance organisations.There is a rulemaking action to include SMS in Part 145 organisations. Subpart F and CAO, BCAR: no SMS requirementsNon-Part-21 aircraft: CAP553 BCAR Section A – no requirements.
Part II6.6.5StandardLess protective or partially implemented or not implementedHuman Performance not specified.Human performance not covered in Subpart F, CAO, or Non-Part-21 aircraft: CAP553 BCAR Section A.
Part IIIA
2.2.3

Standard

Less protective or partially implemented or not implemented

The United Kingdom complies except that it does not require the scheduling of landing distance with runway slope. Performance is not scheduled for variations in water surface conditions, density of water and strength of current.The UK requires that the allowable water surface conditions and any necessary water handling procedures for seaplanes be established. However, factors on landing distance are applied by operational rules where appropriate.
Part IIIA
4.1

Standard

Less protective or partially implemented or not implementedThe UK is not yet fully compliant with the text "They shall also consider Human Factors principles"UK CS-25 Amendment 3 (July 2012) introduced 25.1302 relating to Flight Crew Error/Flight Crew Performance considerations in the Flight Deck Certification process. For the design of other parts of the aeroplane, the European Human Factors Advisory Group is tasked with producing a HF strategy and action plan which will guide the necessary rule making to achieve the goals of that strategy.

Part IIIA 4.1.6

Standard

Less protective or partially implemented or not implemented

For paragraphs (b), (g), (h) and (i): Part of these provisions implement ICAO’s initiative to incorporate security into aircraft design. Protection against explosive and incendiary devices was not requested in the applicable airworthiness codes (JAR 25, CS 25) effective within the time span of the applicability of Part IIIA (up to 2 March 2004).

The differences related to security standards have been removed by the amendment of CS 25.795 introduced by Amendment 9 to CS 25 effective 12 August 2010. After this date the new security provisions are applicable to new applications for type certification as well as already certificated types subjected to certification of significant changes to TC (changed product rule Part 21A.101).

Part IIIA 9.2.4

Standard

Less protective or partially implemented or not implemented

The UK does not specify that limitations on equipment and systems shall include all those established for the various equipment and systems as installed in the aeroplane.

Paragraph 25X1524 was deleted from JAR-25 in order to harmonise with FAR 25, and therefore is not present in UK CS-25.

Part IIIA 11.1.1

Recommendation

Less protective or partially implemented or not implemented

Not specified (except for pilots compartment doors) by the applicable airworthiness codes (JAR 25, CS 25) effective within the time span of applicability of this provision of Part IIIA (up to 2 March 2004).

The differences related to security standards have been removed by the amendment of CS 25.795 introduced by Amendment 9 to CS 25 effective 12 August 2010.

Part IIIA 11.2

Standard

Less protective or partially implemented or not implemented

Not specified (except for pilots compartment doors) by the applicable airworthiness codes (JAR 25, CS 25) effective within the time span of applicability of this provision of Part IIIA (up to 2 March 2004).

The differences related to security standards have been removed by the amendment of CS 25.795 introduced by Amendment 9 to CS 25 effective 12 August 2010.

Part IIIB 2.2.7

Standard

Less protective or partially implemented or not implemented

The United Kingdom complies except that it does not require the scheduling of landing distance with runway slope. Performance is not scheduled for variations in water surface conditions, density of water and strength of current

The UK requires that the allowable water surface conditions and any necessary water handling procedures for seaplanes be established. However, factors on landing distance are applied by operational rules where appropriate.

Part IIIB 3.7

Standard

Less protective or partially implemented or not implemented

The UK only requires bird impact to be taken into account for CS 25 Large Aeroplanes and CS 23 Commuter Category aeroplanes.

In the UK, certification with ditching provisions has to be requested by the applicant, as CS 23 and CS 25 do not require certification for ditching. However, CS 25.807(e) requires provision of ditching emergency exits for passengers, whether or not certification for ditching provisions is requested.

Compliance with the ditching requirements are at the discretion of the applicant.

In practice, the operational restrictions which would result from a lack of ditching certification, means that most applicants seek to comply.

Part IIIB 4.1.1

Standard

Less protective or partially implemented or not implemented

The UK is not yet fully compliant with the text "They shall also consider Human Factors principles".

Part IIIB 4.1.3

Standard

Different in character or other means of compliance

The UK does not require that the effects of materials during emergency situations be taken into account, with regard to persons on the ground and the environment in general.

 

Part IIIB 6.1.1

Standard

Less protective or partially implemented or not implemented

The UK is not yet fully compliant with the text "They shall also consider Human Factors principles".

 

Part IIIB 7.2.5

Standard

Less protective or partially implemented or not implemented

The UK does not specify that limitations on equipment and systems shall include all those established for the various equipment and systems as installed in the aeroplane.

Paragraph 25X1524 was deleted from JAR-25 in order to harmonise with FAR 25, and therefore is not present in CS 25.

Part IIIB 8.6

Standard

Less protective or partially implemented or not implemented

The United Kingdom only requires account to be taken of the installation of survival equipment in the Certification Specifications.

Part IV 2.2.3.2

Standard

Less protective or partially implemented or not implemented

In the United Kingdom en-route performance is based on climb performance both for all engines operating and one engine inoperative situations. The case of the two critical power units inoperative for helicopters having three or more engines is not addressed.

 

Part IV 4.1.6

Standard

Less protective or partially implemented or not implemented

There are no requirements in the United Kingdom for design precautions to be taken to protect against instances of cabin depressurisation. Unpressurised cabins and compliance with CS 27/29.831 ensures compliance with the standard relating to incapacitation from smoke or other toxic gases.

The UK does not have any pressurised helicopters at this time.

Part IV 4.1.8

Standard

Different in character or other means of compliance

In the UK, ground handling is not directly addressed.

The instructions for continued airworthiness in Appendices A29.3 & A27.3(a)(4) require information regarding towing & jacking to be supplied by the Type Certificate Holder. For Annex II aircraft there is no difference.

Part IVB 4.7

Standard

Different in character or other means of compliance

In the UK, ground handling is not directly addressed.

The instructions for continued airworthiness in Appendices A29.3 & A27.3(a)(4) require information regarding towing & jacking to be supplied by the Type Certificate Holder. For Annex II aircraft there is no difference.

Part IVB 5.2.7

Standard

More exacting or exceeds

The UK requires a restart capability for small rotorcraft up to 3175 KG.

CS 27 is more exacting or exceeds Part IVB which only requires restart capability for helicopters greater than 3175 KG or which are certificated to category A.

Part IVB 6.1.1

Standard

Different in character or other means of compliance

The United Kingdom does not comply with the Human Factors element.

 

Part V 1.1.2

Recommendation

Different in character or other means of compliance

The United Kingdom applies EASA Certification Specification 22 to powered sailplanes. The upper weight limit of CS 22 is 850 KG. This means that powered sailplanes between 750 and 850 KG, certified in accordance with CS-22, may not be fully compliant.

 

Part V 6.1.1

Standard

Different in character or other means of compliance

The United Kingdom does not comply with the Human Factors element.

 

Annex 9: Facilitation (14th Edition) (AMDT 25)

ICAO
Ref.

Category
(Standard,
Rec’d
Practice,
etc.)

Difference

Details of Difference

Comments/Status

Chapter 2: Entry and Departure of Aircraft

2.10

Standard 

In certain circumstances particulars of members of crew and any supernumerary passengers may be required.

 

2.12

Standard 

In certain circumstances carriers may be required to provide a passenger list showing the names, date of birth, nationalities and other particulars of passengers.

 

2.19

Standard 

General customs supervision should at all times be possible; such supervision may include a document check (Article 13 of the European Union’s Customs Code refers).

 
Chapter 3: Entry and Departure of Persons and Their Baggage

3.26

Recommendation Normally disembarkation cards must be completed by all passengers except nationals of Member States of the European Economic Area. 

3.29

Standard 

Disembarkation cards must be provided by the carrier at its expense and distributed to all passengers who need to complete them.

 
3.38Standard 

The UK retains the right to introduce export controls in certain circumstances.

 

3.45

Recommendation 

An operator remains liable for the care and custody of passengers and crew, including associated costs, in certain circumstances.

 

3.48

Standard Where the UK imposes a requirement to provide API, this shall include biographic data, flight details and travel document data. 
3.48.1Standard 

Where the UK imposes a requirement to provide API, this requirement will apply regardless of whether the information in the passenger’s travel document is available in machine readable form.

 
3.48.6Recommendation 

Failure to provide data on request, without reasonable excuse, may carry a penalty.

 

3.65

3.66.1

3.67

3.67.1

3.68

Standard & Recommendation 

Crew member certificates are not issued by the UK public authorities to crew members of UK airlines, whether or not they are required to be licensed.

Identification documents bearing photographs of the holders are issued to UK aircrew members, licensed and unlicensed, by UK airlines and by airport authorities on their behalf, the validity of which may be checked by contacting the issuing authority.

UK flight crew licences conform to the specification for personnel licences set forth in paragraph 5.1.1 of Annex 1. The date of birth is also included. Following the introduction of computerised licence issues a photograph of the holder is no longer required, neither is the place of birth nor a statement of the right of re-entry to the State of issue – these items are part of the Annex 9 Appendix 7 crew member certificate but are not called for in paragraph 5.1.1 of Annex 1.

 

3.69

3.69.1

Recommendation The United Kingdom visa requirement is waived in respect of visa nationals who arrive and leave as operational aircrew within seven days. 
3.69.2Recommendation The United Kingdom requires aircrew who are supernumerary to be in possession of a valid passport or other satisfactory document establishing identity and nationality and, where applicable, a valid visa. 

3.71

3.72

Recommendation 

The United Kingdom requires civil aviation inspectors who arrive to conduct inspection duties to be in possession of a valid passport or other satisfactory document establishing identity and nationality and, where applicable, a valid visa.

 

3.74

Recommendation Where required UK visas and entry clearances should be obtained prior to travel and a person will normally be refused entry in the absence of the necessary clearance. The Border Force Officer has discretion to waive the requirement for an entry clearance in exceptional circumstances. 

3.75

Standard 

The UK permits transit without visas for passengers who normally require visas, provided that the passenger has: (a) entry facilities for the countries en route and for the final destination; (b) a firm booking to travel by air within 24 hours; (c) no purpose in entering the UK other than to pass through in transit.

Note: This information is regularly updated in the Travel Information Manual

 

3.77

Recommendation 

In the United Kingdom children and young persons (minors) are those passengers aged under 18 years of age.

 

3.78

Recommendation 

The United Kingdom visa requirement is waived in respect of visa nationals who arrive and leave as operational aircrew within seven days. The United Kingdom requires aircrew who are supernumerary to be in possession of a valid passport or other satisfactory document establishing identity and nationality and, where applicable, a valid visa.

 
Chapter 4: Entry and Departure of Cargo and Other Articles
4.2Recommendation 

The European Union’s Customs Code and the Implementing Provisions do not foresee waiving the need for a guarantee for transport by road (including airfreight by road); however, provisions exist to authorise a reduction of the guarantee level.

 
4.3Standard 

Under European Union Customs legislation consultation with operators and other parties concerned is not compulsory in every case. Close co-operation and consultation with the operators is however generally sought in order to improve the quality and effectiveness of new regulations and of amendments to existing rules.

 
4.15Standard In the UK this provision applies to customs matters for which the ‘declarant’ is the relevant person. With regard to other policies (such as phyto-sanitary matters, etc) the person responsible for the information concerned may be a person other than the declarant. 
4.22Standard 

In the European Union a wide range of simplified customs procedures are in practice available for operators as regards export (for example, incomplete declarations, simplified declarations, local clearance procedures – Article 76 of the European Union’s Customs Code refers). Some of these procedures are subject to prior authorisation from the customs authorities. As an authorised operator, the exporter is allowed to carry out any number of operations. The authorisation is based on general criteria, for example the ability to ensure that effective checks can be undertaken. Depending on the simplified procedure used, the declarant must be made available to the Customs authorities all of the required documents required for application of the provisions governing the export of goods.

 
4.24Standard 

This Standard, and in particular the words ‘at any customs office’, does not conform with Article 161 § 5 of the European Union's Customs Code which provides that the export declaration must be lodged where the goods are packed or where the exporter is established.

 
4.26Recommendation 

The Recommended Practice would seriously frustrate control by public authorities over goods loaded on a departing aircraft. Furthermore, the return of certain goods after their departure would not be guaranteed despite the lodging of a security.

 
4.29Standard 

Currently, no European Union provision determines in which cases the use of simplified arrangements is obligatory or must be granted to the operators. In the European Union a wide range of simplified customs procedures are in practice available for operators as regards export (for example, incomplete declarations, simplified declarations, local clearance procedures – Article 76 of the European Union’s customs Code refers). Some of these procedures are subject to prior authorisation from the customs authorities. As an authorised operator, the exporter is allowed to carry out any number of operations.

 
4.31Recommendation While Customs clearance is expedited as far as possible, there may be other agencies involved in the clearance procedure. Customs cannot therefore undertake to release all goods within three hours of their arrival. One of the objectives of customs is nevertheless to perform checks and release goods within the shortest possible times. 
4.32Recommendation 

This Recommended Practice is acceptable in as far as the Contracting States have a common interpretation of the term “part consignment”. According to Article 73(2) of the European Union’s Customs Code, all the goods covered by the same declaration shall be released at the same time on the understanding that, where a declaration form covers two or more items, the particulars relating to each item shall be deemed to constitute a separate declaration.

 
4.36Standard 

UK and European Union provisions concerning export and transit licences remain applicable, in certain cases, when the goods are redirected to another destination (for example weapons, dual use goods, precursors, etc).

 
Chapter 5: Inadmissible Persons and Deportees

5.4

Standard 

An operator is required to remove an inadmissible person in accordance with the directions given by the Border Force Officer.

 

5.9.1

Standard Under UK legislation, where a passenger is refused entry, the operator will normally be responsible for any detention costs up to a maximum of 14 days unless the passenger is in possession of a current entry clearance/visa. 

5.11

Standard UK legislation requires an operator to remove an inadmissible person to a country of which he is a national or citizen, a country or territory in which he has obtained a passport or other document of identity, a country or territory in which he embarked for the UK or a country or territory to which there is reason to believe that he will be admitted. 

5.11.1

Recommendation 

A Border Force Officer may direct the carrier as to which country an inadmissible may be removed to.

 

5.14

Standard 

Under UK carrier liability legislation a charge may be imposed on the operator if a person arrives without the required documents. However, the operator is not liable if:

i. It can show that the required documents were produced when the passenger embarked for the UK;

ii. a false document is produced or the passenger impersonates the rightful holder of a document unless the falsity of the document or the impersonation is reasonably apparent;

In addition, an operator may apply for Approved Gate Check status at individual ports of embarkation. If the operator satisfies the UK authorities that it meets the published criteria, which include an audited high standard of document checking and security procedures, the UK will normally waive charges relating to persons who arrive with no documents from the station and to a limited number of charges arising from passengers who do not hold current UK visas.

 
5.26Standard 

The UK will co-operate fully with the requesting State to investigate and validate the persons claim to be a British citizen and to resolve the claim quickly, within 30 days if possible.

 
5.27Standard 

This provision only applies where the person concerned is admissible or is to be expelled by the authorities.

 
Chapter 8: Other Facilitation Provisions

8.17

8.18

8.18.1

8.19

8.20

8.21

Standard & Recommendation 

The UK will establish a National Air Transport Facilitation Programme in 2016 consistent with 8.17. A Facilitation Stakeholders Forum, under Department for Transport chairmanship, aims to meet regularly to discuss relevant issues. The UK strongly supports close co-ordination between civil aviation security and facilitation programmes. The Government itself does not establish facilitation committees at airports. There are, however, national consultative bodies for particular subjects, and ad hoc meetings are arranged when necessary to discuss particular topics. UK law (Section 35 of the Civil Aviation Act 1982) allows the Government to require that adequate facilities for consultation be established at airports. Consultation arrangements have been established under these powers at 51 airports.

 

Annex 10: Aeronautical Telecommunications Vol I (Radio Navigation Aids) (6th Edition) (AMDT 91)

ICAO
Ref.

Category
(Standard,
Rec’d
Practice,
etc.)

Difference

Details of Difference

Comments/Status

Chapter 2: General Provisions For Radio Navigation Aids
2.1.6RecommendationLess protective or partially implemented or not implementedNot specified in UK requirements.Approach design incorporates supplemental aids as available and appropriate.
2.2.1StandardLess protective or partially implemented or not implementedThe UK does not currently require periodic flight testing of DME not associated with a published procedure. 
Chapter 3: Specifications For Radio Navigation Aids

3.1.3.3.2

StandardLess protective or partially implemented or not implementedSome localisers are promulgated in AIP as having specific areas where signals do not meet specifications.This is world-wide standard practice where topography restricts or influences the signals.
3.1.3.3.2.1,3.1.3.3.2.2and3.1.3.3.2.3StandardDifferent in character or other means of compliance

UK requirements written in terms of usable signal.

 
3.1.3.5.3.6StandardLess protective or partially implemented or not implementedSeveral old CAT I systems do not meet this recommendation.This is a function of aerial design and cannot be changed by simple adjustment. Airports are advised at flight inspection if their system could give false capture on certain types of receiver.
3.1.5.1.5RecommendationLess protective or partially implemented or not implementedSome CAT I systems have reference datum heights between 40 and 50 FT.Requiring 40 feet at certain airports would reduce the useable runway length too much.

3.1.5.1.6

RecommendationLess protective or partially implemented or not implementedSome CAT 1 systems have a reference datum lower than 40 FT. These facilities are exclusive to particular aircraft types.Requiring 40 feet at certain airports would reduce the useable runway length too much.
3.1.5.3.1StandardLess protective or partially implemented or not implementedThe UK accepts that some G/P have restricted coverage - this is published in AIPs for each specific system.This is world-wide standard practice where topography restricts or influences the signals.
3.4.6.4RecommendationLess protective or partially implemented or not implementedThe UK allows a fall of up to 0.5 dB.To achieve no fall in carrier when modulating is almost impossible. The UK requirement is practical and has no discernable effect on aircraft equipment.
3.5.3.4.1StandardMore exacting or exceedsRequirements limit average PRF to 16ppps, or 30 ppps for interrogators of 100w or less peak pulse power. 
3.5.3.4.3RecommendationMore exacting or exceedsRequirements limit PRF to 16 ppps after 30 seconds in search mode and 30ppps for interrogators of less than 100 watts. 
3.5.3.4.4StandardMore exacting or exceedsRequirements limit PRF to 16 ppps after 30 seconds in search mode and 30ppps for interrogators of less than 100 watts. 
3.5.5.1.5.2StandardLess protective or partially implemented or not implementedUK requirements only explicitly specify this requirement for DME/P. 
3.5.5.4.4StandardMore exacting or exceedsED-54 (MOPS for aircraft DME interrogator) specifies a reply efficiency of 60% or more. 
3.11.6.1.3.1StandardDifferent in character or other means of complianceIn the UK, angle filter characteristics are expressed in terms of limits on degrees of pase lag per rate of angle change needed for autopilot. 

Annex 10: Aeronautical Telecommunications Vol II (Communications Procedures including those with PANS status) (6th Edition) (AMDT 92)

ICAO
Ref.

Category
(Standard,
Rec’d
Practice,
etc.)

Difference

Details of Difference

Comments/Status

Chapter 3: General Procedures for the International Aeronautical Telecommunication Service
3.5.1.1 and 3.5.1.1.1StandardLess protective or partially implemented or not implementedUK complies only at ATC units and recommends compliance at certain AFIS units. 
Chapter 5: Aeronautical Mobile Service - Voice Communications
5.1.7StandardLess protective or partially implemented or not implementedNot specifically defined in UK legislation.The ICAO requirement to be referenced in the relevant CAA publication or the requirement to be promulgated.
5.2.1.4.1.1StandardYesOn safety grounds in order to reduce level busts, Flight Levels ending in hundreds are transmitted as HUNDRED eg, FLIGHT LEVEL ONE HUNDRED in order to differentiate from Flight Level one one zero. 
5.2.1.5.8StandardMore Exacting or ExceedsCONTACT shall have the meaning "Establish communications with...(your details have been passed)".Additional word - FREECALL shall have the meaning "Call (unit)..(your details have not been passed)". Mainly used by military ATC. In the UK the additional term PASS YOUR MESSAGE is used. RECLEARED (ICAO) is only used in the UK for route clearances and not for vertical clearances.Shortens a pilot’s first call on the next ATS unit/frequency as he/she knows he/she does not have to pass full details. Informs the pilot he/she will have to pass full details to the next ATS unit/frequency on first contact. In the case of RECLEARED, the direction of vertical movement, provided by CLIMB and DESCEND, acts as a check in some circumstances when a pilot misinterprets a call not directed at him/her.
5.2.1.7.1.2StandardLess protective or partially implemented or not implementedApproach control radar arrivals = DIRECTOR/ARRIVAL (when approved).Precision approach radar = TALKDOWN.HOMER not used in UK. 
5.2.1.7.2.1.1StandardMore Exacting or ExceedsType (b) in UK is the telephony designator of the aircraft operating agency, followed by the full registration marking of the aircraft 
5.2.1.7.2.2.1StandardMore Exacting or ExceedsIn the UK, the name of either the aircraft manufacturer, or name of the aircraft model, or name of the aircraft category (e.g. helicopter or gyrocopter) may be used as a prefix to the callsign.To aid recognition by the ground station and/or other aircraft that the aircraft transmitting is of a particular category and may manoeuvre differently or require special handling.
5.2.1.7.3.2.3StandardMore Exacting or ExceedsWhereas the calling aeronautical station’s call sign followed by the answering station’s call sign shall be considered an invitation to proceed with a transmission, the UK additionally uses the phrase Pass Your Message Under certain circumstances the answering ground station may omit its callsign.It has been shown that omitting the ground station call sign may improve safety standards at busy ATC units.
5.2.1.9.2.3StandardLess protective or partially implemented or not implementedThe following method of acknowledging receipt is not used in UK: The callsign of the aircraft followed if necessary by callsign of the aeronautical station’ (ICAO).(CALLSIGN) ROGER is used in the UK.UK procedures in accordance with the examples in ICAO Doc 9432, para 2.8.1.6 and 3.3.2.
5.2.2.1.1.3RecommendationLess protective or partially implemented or not implementedNot specifically defined in UK legislation. 
5.2.2.1.3StandardDifferent in character or other means of complianceVHF emergency channel 121.5 MHz not routinely monitored at civil aerodromes in the UK, however, it is monitored 24 HR at Area Control Centres and covers most of UK above 3000 FT AMSL.121.5 MHz is to be monitored at international aerodromes if D&D are unable to monitor to circuit altitude.
5.2.2.3.3RecommendationLess protective or partially implemented or not implementedNot specifically defined in UK legislation.The ICAO requirement to be referenced in the relevant CAA publication or the requirement to be promulgated.
6.2.1RecommendationLess protective or partially implemented or not implementedPara (2) true heading to be steered by the aircraft, with no wind, to head for the direction-finding station not usually provided in UK. 

Annex 10: Aeronautical Telecommunications Vol III Part 1 (Digital Data Communication Systems) and Part 2 (Voice Communication Systems) (2nd Edition) (AMDT 90)

ICAO
Ref.

Category
(Standard,
Rec’d
Practice,
etc.)

Difference

Details of Difference

Comments/Status

Part I
C4StandardLess Protective or partially implemented or not implementedAMS(R)S is not currently in use in the UK. 
C6.8StandardLess Protective or partially implemented or not implementedVDL mode 3 is not in use in the UK. 
C6.9StandardLess Protective or partially implemented or not implementedVDL mode 4 is not in use in the UK. 
C10StandardLess Protective or partially implemented or not implementedPoint-to-Multi-point Communications not used in the UK. 
C11StandardLess Protective or partially implemented or not implementedThe UK does not use HF Data Link. 
C12StandardLess Protective or partially implemented or not implementedUniversal Access Transceiver is not used in the UK. 
Part II
Chapter 2: Aeronautical Mobile Service
2.2.1.2RecommendationDifferent in character or other means of complianceThe UK interprets ‘On a high percentage of occasions’ to be the 95th percentile value and thus requires the effective radiated power to be such as to provide a field strength of at least 188 microvolts per metre (minus 101 dBW/m2). 
2.2.2.2StandardDifferent in character or other means of complianceThe UK specifies receiver sensitivity in terms of the minimum level of input signal (dBm), modulated 30% by a sinewave of 1 kHz, applied to the receiver which is required to produce a SINAD ratio of 12dB at the audio output measured with a psophometric filter. 
2.2.2.3StandardLess Protective or partially implemented or not implementedThe UK requirement includes both 25 kHz and 8.33 kHz channels spacing specified in values of kHz and not percentage of the assigned frequency. 
2.3.1.2StandardLess Protective or partially implemented or not implementedThe UK does not specify the effective radiated power but provides for classes of transmitter grouped into two classifications of 16 Watts and 4 Watts Minimum Output Power, having estimated radio-line-of-sight distances of 200 NM and 100 NM respectively. A recommendation that the output power be limited to 25 Watts to reduce interference is also made. 
2.3.1.3StandardLess Protective or partially implemented or not implementedThe UK does not specify the adjacent channel power but defines a spectral mask for the transmitter occupied spectrum. 
2.3.1.4StandardLess Protective or partially implemented or not implementedThe UK specifies the modulation as ‘not less than 70%’ when modulated by a 1000 Hz audio frequency signal. 
2.3.2.1StandardLess Protective or partially implemented or not implementedThe UK does not define the frequency stability of receiver. 
2.3.2.2.1RecommendationLess Protective or partially implemented or not implementedThe UK specifies the sensitivity in terms of a radio frequency input signal not exceeding 10 microvolts (-93 dBm), with 30% modulation at 1000 Hz to produce a signal plus noise to noise ratio of 6 dBm with an audio output power not less than 10 dB below the declared output power. 
2.3.2.3StandardLess Protective or partially implemented or not implementedThe UK does not state the effective acceptance bandwidth but defines the effective bandwidth relative to the selected channel frequency of the receiver at the 6 dB and 60 dB points. 
2.3.2.4StandardLess Protective or partially implemented or not implementedThe UK does not state the effective acceptance bandwidth but defines the effective bandwidth relative to the selected channel frequency of the receiver at the 6 dB and 60 dB points. 
2.3.2.5StandardLess Protective or partially implemented or not implementedThe specification the UK applies only states the adjacent channel rejection for 8.33 kHz channel spacing. For 8.33 kHz channel spacing an adjacent channel rejection of 45 dB is specified at the first upper and lower adjacent channels for defined desired and interfering signals. 
2.3.2.6RecommendationLess Protective or partially implemented or not implementedThe UK does not specify the adjacent channel rejection for 25 kHz, 50 kHz or 100 kHz channel spacing. 
2.3.2.8.1StandardLess Protective or partially implemented or not implementedInterference from adjacent channel VDL is not specified in UK requirements. 
2.3.2.8.2,2.3.2.8.3,2.3.2.8.4 &2.3.2.8.4.1StandardLess Protective or partially implemented or not implementedNot yet implemented. 
2.3.3.1,2.3.3.2 &2.3.3.3StandardLess Protective or partially implemented or not implementedFor aircraft (including helicopters) of 5700 KG MTWA or less, non-immune VHF Comm receivers may be permitted and the aircraft permitted to operate under IFR provided that crews are alerted to potential sources of interference.This reflects the reduced risk posed to comm. receivers as compared to ILS and VOR receivers. No evidence notified to date to justify a reconsideration of this relaxation.
2.3.3.4RecommendationLess Protective or partially implemented or not implementedFor aircraft (including helicopters) of 5700 KG MTWA or less, non-immune VHF Comm receivers may be permitted and the aircraft permitted to operate under IFR provided that crews are alerted to potential sources of interference.This reflects the reduced risk posed to comm. receivers as compared to ILS and VOR receivers. No evidence notified to date to justify a reconsideration of this relaxation
Chapter 5: SSR Mode S Air-Ground Data Link
5.1.9StandardMore exacting or exceedsProvision of an e-mail address is not required. The manufacturer assigned serial number is required to relate to a unique beacon identification when it is used with a COSPAS SARSAT type approval certificate and so the COSPAS SARSAT approval number may be obtained indirectly. Information regarding aircraft colour is not required, however, information relating to max POB is required. 
5.2.1.3StandardMore exacting or exceedsThe UK requires that the PERP is not less than 100mW 

Annex 10: Aeronautical Telecommunications Vol IV (Surveillance Radar and Collision Avoidance Systems) (4th Edition) (AMDT 83)

ICAO
Ref.

Category
(Standard,
Rec’d
Practice,
etc.)

Difference

Details of Difference

Comments/Status

Chapter 2: General
2.1.3.2.1Standard The UK does not comply with this paragraph as it currently mandates the carriage and operation in designated airspace only. Non-Mode C transponders are still used outside of this airspace. 
Chapter 4: Airborne Collision Avoidance System (ACAS)
   ACAS systems certified in accordance with DO-185A which does not address all ICAO parameters.DO-185B being produced which will match current ICAO standards.
Annex 10: Aeronautical Telecommunications Vol V (Aeronautical Radio Frequency Spectrum Utilization) (3rd Edition) (AMDT 90)
ICAO Ref.Category (Standard, Rec’dPractice, etc.)DifferenceDetails of DifferenceComments/Status
C22.1.1StandardLess protective or partially implemented or not implementedNot implemented in the UK 
C33.1.1StandardLess protective or partially implemented or not implementedThis requirement is not specified in UK regulations. 
C33.1.2.1StandardLess protective or partially implemented or not implementedThis requirement is not specified in UK regulations. 
C33.1.2.2StandardLess protective or partially implemented or not implementedThis requirement is not specified in UK regulations. 
C33.1.2.3RecommendationLess protective or partially implemented or not implementedThis requirement is not specified in UK regulations. 
C33.1.2.4RecommendationLess protective or partially implemented or not implementedThe UK has not assigned any HFfrequencies. 
C33.1.2.5StandardLess protective or partially implemented or not implementedThis requirement is not specified in UK regulations. 
C33.1.3.1StandardLess protective or partially implemented or not implementedThis requirement is not specified in UK regulations. 
C33.2.2RecommendationLess protective or partially implemented or not implementedThis requirement is not specified in UK regulations. 
C44.1.1.1StandardDifferent in character or othermeans of complianceVHF communications frequencies are planned in accordance with planning agreements reached within Europe and contained in ICAO EUR DOC 011. The utilization table is based on Annex 10 Vol IV Para 4.1.1 but incorporates regional agreements on specific uses of individual frequencies or sub-bands.To maximise the number offrequency assignments andplanning efficiency that can be achieved.
C4
4.1.2.1
StandardLess protective or partially implemented or not implementedThis requirement is not specified in UK regulations. 
C4
4.1.2.3
StandardLess protective or partially implemented or not implementedThis requirement is not specified in UK regulations. 
C4
4.1.2.4
StandardLess protective or partially implemented or not implementedCompliant for VDL Mode 2 however there are currently no mandatory carriage requirements for VDL Mode 3 or Mode 4 in Europe.Provision has been made regionally for two VDL Mode 4 signalling channels.
C4
4.1.2.4.1
StandardLess protective or partially implemented or not implementedThis requirement is not specified in UK regulations. 
C44.1.2.5StandardLess protective or partially implemented or not implementedThis requirement is not specified in UK regulations. 
C44.1.3.1.1StandardDifferent in character or othermeans of complianceThe UK encourages the use of practice PAN calls on 121.500 MHz in contradiction with the Annex 10 requirement for the frequency to only be used in genuine emergencies.To ensure pilot familiarity with the process.
C44.1.3.1.2StandardDifferent in character or othermeans of complianceThe UK operates a distress anddiversion cell which provides 121.500 MHz for the whole of theUK, therefore not all International aerodromes provide 121.500 MHz Facilities. Those that do are published in UK AIP GEN 3.6.6, Para 5.To provide the most efficient and coherent response to 121.500 MHz calls.
C44.1.3.1.3StandardLess protective or partially implemented or not implementedThis requirement is not specified in UK regulations. 
C44.1.3.1.5StandardLess protective or partially implemented or not implementedThis requirement is not specified in UK regulations. 
C4
4.1.3.2.1
StandardLess protective or partially implemented or not implementedThis requirement is not specified in UK regulations. 
C44.1.3.3.1StandardLess protective or partially implemented or not implementedThis requirement is not specified in UK regulations. 
C4
4.1.3.3.2
StandardLess protective or partially implemented or not implementedThe UK has not implemented VDL Mode 4. 
C4
4.1.3.4.2
StandardLess protective or partially implemented or not implementedThis requirement is not specified in UK regulations but is a prerequisite for ground station and aeronautical communications equipment approvals. 
C44.1.4.6RecommendationLess protective or partially implemented or not implementedThis requirement is not specified in UK regulations. 
C4
4.1.4.9
RecommendationLess protective or partially implemented or not implementedThis requirement is not specified in UK regulations. 
C4
4.1.5.1
StandardLess protective or partially implemented or not implementedThis requirement is not specified in UK regulations. 
C4
4.1.5.2
StandardLess protective or partially implemented or not implementedThis requirement is not specified in UK regulations. 
C44.1.6.1.2StandardDifferent in character or othermeans of complianceWithin Europe the bands 131.400 - 132.000 and 136.800 - 136.875 MHz inclusive are designated for operational control communications. This has been agreed at a European regional level and hence frequencies to meet aircraft operating obligations under Annex 6 may not be assigned in the band 128.825 - 132.025 MHz.To maximise the number offrequency assignments andplanning efficiency that can be achieved.
C44.1.6.2StandardLess protective or partially implemented or not implementedThis requirement is not specified in UK regulations but all assigned frequencies are published in ICAO Table COM 2 published by the EUR regional office. 
C4
4.2.4
StandardLess protective or partially implemented or not implementedThis requirement is not specified in UK regulations. 
C4
4.3.2
StandardLess protective or partially implemented or not implementedNo operational W and Z channels assigned in UK. 
C4
4.4.1
StandardLess protective or partially implemented or not implementedThis requirement is not specified in UK regulations. 
C4
4.4.2
StandardLess protective or partially implemented or not implementedThis requirement is not specified in UK regulations. 
C4
4.4.3
StandardLess protective or partially implemented or not implementedThis requirement is not specified in UK regulations. 
Annex 11: Air Traffic Services (15th Edition) (AMDT 52)
ICAO Ref.Category (Standard, Rec’dPractice, etc.)DifferenceDetails of DifferenceComments/Status
C22.5.2.3StandardLess protective or partially implemented or not implementedWhilst the UK has adopted the term "controlled aerodrome", aerodromes where it is determined that air traffic control service will be provided are not designated as controlled aerodromes. 
C22.6.1StandardDifferent in character or other means of complianceSubject to availability, VFR flights within class E airspace and all flights within class G airspace may receive UK Flight Information Services.The UK does not designate airspace classes B and F.
C22.6.3StandardLess protective or partially implemented or not implementedWith regards to Class G, the UK does not require continuous two-way communications under IFR. 
C22.8.1StandardLess protective or partially implemented or not implementedNot yet implemented in the UK. No EUR Region requirements specified in Doc 7030. 
C22.8.2StandardLess protective or partially implemented or not implementedNot yet implemented in the UK. No EUR Region requirements specified in Doc 7030. 
C22.9.1StandardLess protective or partially implemented or not implementedNot yet implemented in the UK. No EUR Region requirements specified in Doc 7030. 
C22.9.2StandardLess protective or partially implemented or not implementedNot yet implemented in the UK. There are no EUR Region requirements specified in Doc 7030. 
C22.9.3StandardLess protective or partially implemented or not implementedNot yet implemented in the UK. There are no EUR Region requirements specified in Doc 7030. 
C22.11.2.3StandardLess protective or partially implemented or not implementedWith the exception that the UK does not apply VFR cruising levels, the UK complies with the intent of the Standard but has not adopted it into the UK's rule set.Limits of UK airspace structures are determined on the basis of justified operational requirements.
C22.11.3.2.2RecommendationLess protective or partially implemented or not implementedUK does not apply VFR cruising levels as the lower limit.Limits of UK airspace structures are determined on the basis of justified operational requirements.
C22.11.3.3StandardLess protective or partially implemented or not implementedWith the exception that the UK does not apply VFR cruising levels, the UK complies with the intent of the Standard but has not adopted it into the UK's rule set.Limits of UK airspace structures are determined on the basis of justified operational requirements.
C22.11.5.5RecommendationLess protective or partially implemented or not implementedWith the exception that the UK does not apply VFR cruising levels, the UK complies with the intent of the Recommendation but has not adopted it into the UK's rule set.Limits of UK airspace structures are determined on the basis of justified operational requirements.
C22.13.4StandardLess protective or partially implemented or not implementedATS route designators are being modified to comply with Appendix 1 requirements in accordance with the EUROCONTROL Route Network Development plan.Changes to route designators in dense/complex airspace are timed to coincide with major structural airspace changes.
C22.26.5StandardLess protective or partially implemented or not implementedTime checks are available on request to the nearest minute.Normal practice is for pilots to use other sources.
C33.4.2StandardLess protective or partially implemented or not implementedNot implemented with regards to b). Pilots and operators are not notified though the AIP. 
C66.2.2.3.7StandardLess protective or partially implemented or not implementedAutomatic Recording is not available in each and every case in the UK.FIS units remain a recommendation.
C77.1.3.5RecommendationLess protective or partially implemented or not implementedThe UK has not adopted this recommendation. 
C77.1.4.5RecommendationLess protective or partially implemented or not implementedThe UK has not adopted this recommendation. 
Annex 12: Search and Rescue (7th Edition) (AMDT 17)
ICAO Ref.Category (Standard, Rec’d Practice, etc.)DifferenceDetails of DifferenceComments/Status
Chapter 1: Definitions
   

Pilot-in-Command. In United Kingdom legislation, ‘Pilot-in-command’ in relation to an aircraft means a person who for the time being is in charge of the piloting of the aircraft without being under the direction of any other pilot in the aircraft.

 
Annex 13: Aircraft Accident and Incident Investigation (13th Edition) (AMDT 19)
ICAO Ref.Category (Standard, Rec’d Practice, etc.)DifferenceDetails of DifferenceComments/Status

C5

5.9.1

Recommendation Assimilated Regulation (EU) No 996/2010 (as amended), Article11.2 (e) gives powers to request medical examination and tests and have immediate access to results.The AAIB can only request, it has no powers to insist but it does have full access to results.

C6

6.3

Standard Civil Aviation (Investigation of Air Accidents & Incidents) Regulations 2018 Regulation 16 requires that comments on draft final reports be received within 28 days unless an extension of that time is granted.To expedite report publication. Regulations allow for extenstion to 30 days and to 60 days and beyond to be granted by the Chief Inspector. The intention is to align to 30 days at the next revision to the regulations.
Annex 14: Aerodromes Vol I (Aerodrome Design and Operations) (9th Edition) (AMDT 17)
ICAO Ref.Category (Standard, Rec’d Practice, etc.)DifferenceDetails of DifferenceComments/Status
1.1.56DefinitionDifferent in character other means of compliance

Instead of Intermediate holding position, the UK commonly uses the terms Taxiway Holding Position, Runway-taxi holding position and Intermediate-taxi holding position.

1.2.2StandardLess protective or partially implemented or not implementedThe UK requires most types of aircraft operations for the purpose of Public Transport of Passengers and flying training to use an aerodrome licensed by the CAA or a Government aerodrome. However, neither cargo-only nor maintenance flights are required to use a licensed aerodrome and there is no requirement for Annex 14 to apply to Government aerodromes.Government aerodrome means any aerodrome in the UK which is in the occupation of any Government Department or visiting force.
1.3.2StandardLess protective or partially implemented or not implementedThe UK does not specifically refer to a vertical reference system.Orthometric height used as detailed in AIP GEN 2.1 Para 4.
1.4StandardDifferent in character other means of complianceUK uses the term Public Transport of Passengers or flying training as the trigger for certifying. There is no requirement to certify Government aerodromes (see 1.2.2). In addition, the UK uses the term "licensing" as meaning the same as the ICAO term
"certification".
 
1.6.1Standard Different in character other means of complianceUK determines code number in accordance with characteristics of the aerodrome. UK uses the greater of TODA/ASDA to determine the reference code number. Column (2) ARFL is replaced by “greater of TODA/ASDA”.UK considers the use of TODA/ASDA to be more relevant.
1.6.3Standard Different in character other means of complianceThe UK uses the greater of TODA/ASDA instead of aeroplane reference field lengths.UK considers the use of TODA/ASDA to be more relevant.
2.2.2Standard Different in character other means of complianceThe UK does not include "and shall normally remain where first established".The UK requires the ARP to be located at the centre of the ATZ, therefore, any change in location would require changes to the ATZ. This would require a safety case to be approved by the CAA.
2.2.3Standard Different in character other means of complianceThe UK requires the aerodrome reference point to be specified in WGS 84 format.WGS84 adopted by ICAO as the geodetic reference system for all aeronautical data in 1998.
2.3.1 & 2.3.3Standard More exacting or exceedsThe UK requires a vertical accuracy of 0.3 M. 
2.6.1 - 2.6.8Standard &
Recommendation
Less protective or partially implemented or not implementedUK delaying the applicability date for the change to PCR for pavement bearing strength in order to allow airports adequate time to plan and prepare and undertake pavement strength evaluation. 
2.7.1 - 2.7.3Standard &
Recommendation
Less protective or partially implemented or not implementedThe UK does not require pre-flight altimeter check locations to be established.Flight Operational procedures require the pre-flight checks to involve setting the QNH on all the barometric altimeters (usually 3) and checking that the height displayed is approximately correct and there is no major discrepancy between them.
2.9.5StandardDifferent in character other means of complianceThe UK does not use the terms loose sand or chemically treated. 
3.1.1Standard Less protective or partially implemented or not implementedUK does not utilise the useability factor.The long-term use of this practice in the UK has not adversely affected or reduced safety or impacted upon interoperability.
3.1.2Recommendation Less protective or partially implemented or not implementedThe UK does not regulate aerodromes on this issue, although it is applied in practice through instrument flight procedures and airspace design procedures.The long-term use of this practice in the UK has not adversely affected or reduced safety or impacted upon interoperability.
3.1.3.1Recommendation Different in character other means of complianceThe UK does not consider crosswind limitations to be associated with runway licensing criteria.This is considered an aircraft performance issue handled by the aircraft operator and the pilot.
3.1.4.1RecommendationLess protective or partially implemented or not implementedThe UK does not utilise the usability factor.The long-term use of this practice in the UK has not adversely affected or reduced safety or impacted upon interoperability.
3.1.11Recommendation Less protective or partially implemented or not implementedThe UK does not specify these requirements. They are implemented through ATC operations in accordance with PANS Docs and Air Traffic operations design.The long-term use of this practice in the UK has not adversely affected or reduced safety or impacted upon interoperability.
3.1.12Recommendation Less protective or partially implemented or not implementedThe UK does not specify these requirements. They are implemented through ATC operations in accordance PANS Docs, Doc 9643 (SOIR) and Instrument flight procedure design.The long-term use of this practice in the UK has not adversely affected or reduced safety or impacted upon interoperability.
3.4.8Recommendation More exacting or exceedsExceeds by 30 M code 3 and 4 and by 5 M code 1 and 2. The runway strip which encloses an instrument runway should be graded for a distance of 105 M either side of the centreline where the code number is 3 or 4, and 45 M where the code number is 1 or 2. 
3.4.17Recommendation More exacting or exceedsFor runways code 3 and 4, the UK requires this portion to extend out to 105 M. 
3.5.2Recommendation Less protective or partially implemented or not implementedCAP 168 states that for national aerodromes, RESAs should be considered for non-instrument runways where the code number is 1 or 2, particularly where there are movements by jet aircraft not using public transport performance factors, or a high proportion of runway-limited movements at the higher weights.RESA requirements for non-instrument code 1 and 2 runways will be re-assessed.
3.6.3Recommendation More exacting or exceedsThe UK allows for the width to be not less than that of the visual strip width where that is the limiting width. 
3.6.4RecommendationLess protective or partially implemented or not implementedThe UK allows 2% up slope where the codes are 1 and 2.Only permitted after aeronautical study determines acceptability.
3.7.4Standard Different in character other means of complianceThe UK specifies that Stopways should have friction characteristics not substantially less than those of the associated runway and above the minimum friction level specified in CAP 683. 
3.8.1Recommendation Less protective or partially implemented or not implementedThe UK does not specifically require radio altimeter operating areas to be established. The UK requires information out to 900 M before the threshold for PATC generationIn operation at CAT II/III PACTC would refer.The long-term use of this practice in the UK has not adversely affected or reduced safety or impacted upon interoperability.
3.8.2RecommendationLess protective or partially implemented or not implementedThe UK does not specifically require radio altimeter operating areas to be established. The UK requires information out to 900 M before the threshold for PATC generation.Survey information required to 60 M either side of extended runway.
3.8.3 &
3.8.4
Recommendation Less protective or partially implemented or not implementedThe UK does not require radio altimeter operating areas to be established.The long-term use of this practice in the UK has not adversely affected or reduced safety or impacted upon interoperability.
3.9.2Recommendation Less protective or partially implemented or not implementedThe UK does not regulate this aspect as it is considered to be a commercial issue.The long-term use of this practice in the UK has not adversely affected or reduced safety or impacted upon interoperability.
3.10.1Recommendation Different in character other means of complianceThe UK requirements refer to strip rather than taxiway shoulder. 
3.12.1RecommendationLess protective or partially implemented or not implementedThe UK does not use traffic density as a trigger for the requirement of a holding bay.The UK does not consider this to be an aerodrome certification issue. When required, holding bays are constructed in accordance with requirements.
3.12.3 &
3.12.9
StandardDifferent in character other means of complianceThe UK permits the location of a runway-holding position that will cause an infringement of the OLS, but not the OFZ, by a manoeuvring aircraft.Permissible only if no interference occurs and the impact of the infringement is addressed in the calculation of the OCA/H.
3.12.6Standard More exacting or exceeds UK applies 137 M precision approach 2/3 runway. 
3.15RecommendationLess protective or partially implemented or not implementedThe UK requires only that the aerodrome operator ensures that aircraft de-icing/anti-icing is available where icing conditions are expected to occur. Specific de-icing/anti-icing facilities are not required in the UK. Difference also applies to the marking and lighting of de-icing/anti-icing facilities.De-icing of aircraft is not an aerodrome regulation issue. Individual aerodrome's provisions for de/anti-icing are assessed in view of local conditions.
4.1.8StandardLess protective or partially implemented or not implementedd) not implemented.The UK addresses requirements for curved and other shaped approach surfaces on an individual basis.
4.1.11Standard Different in character other means of complianceCAP 168, for national aerodromes, does not use the term "inner approach surface", although it is applied as part of the OFZ. 
4.1.17Standard Different in character other means of complianceThe UK does not use the term "Inner Transitional Surface". 
4.2.10 &
4.2.11
Standard &
Recommendation
Different in character other means of complianceThe UK does not divide the APPS for the purposes of obstacle penetration.The long-term use of this practice in the UK has not adversely affected or reduced safety or impacted upon interoperability.
4.2.12Recommendation Different in character other means of complianceThe UK applies this but does not specify the need for aeronautical study.The long-term use of this practice in the UK has not adversely affected or reduced safety or impacted upon interoperability.
4.2.20Recommendation Different in character other means of complianceThe UK applies this but does not specify the need for aeronautical study.The long-term use of this practice in the UK has not adversely affected or reduced safety or impacted upon interoperability.
5.1.1.4RecommendationDifferent in character other means of complianceThe UK recommends that only aerodromes that accept non-radio aircraft have a wind indicator that should be marked by a white, circular band that is 7.5 M in diameter and 0.6 M wide. 
5.1.1.5RecommendationLess protective or partially implemented or not implementedIlluminated wind direction indicators are required only at aerodromes serving scheduled public transport operations at night.UK require at least one illuminated wind sleeve for night OPS.
5.1.4.1Standard Less protective or partially implemented or not implementedThe UK does not specify 10° or height of 300 M for licensed aerodromes. 
5.2.1.2RecommendationMore exacting or exceeds At runway intersections the marking of the major runway should be continued and that of the subsidiary runway should be interrupted.The UK permits aerodromes to determine their primary runways.
5.2.1.7RecommendationLess protective or partially implemented or not implementedThe UK does not require pavement markings to be made with reflective materials.The UK requires sufficient illumination across the apron and for markings to contrast with the surface on which they are installed.
5.2.8.3StandardLess protective or partially implemented or not implementedUK does not require or specify taxiway markings on runways used as a taxiway.Runway markings are considered adequate.
5.2.10.8RecommendationMore exacting or exceeds The UK does not specify this requirement.To prevent runway incursion, as far as possible the UK requires the aerodrome to limit the width of taxiways at holding points.
5.2.12 -5.2.12.6StandardLess protective or partially implemented or not implementedUK does not require or specify VOR aerodrome checkpoints, nor therefore VOR aerodrome checkpoint signs (5.4.4).VOR equipment is checked electronically.
5.2.13.7RecommendationLess protective or partially implemented or not implementedThe UK does not specify the radii of markings.The UK leaves this to aerodrome designers.
5.2.16.2Recommendation More exacting or exceedsTo prevent runway incursion, as far as possible the UK requires the aerodrome to limit the width of taxiways at holding points. 
5.3.1.2RecommendationLess protective or partially implemented or not implementedThe UK has not established protected laser emission zones around aerodromes. 
5.3.2.3RecommendationMore exacting or exceedsThe UK requires the colour to be maintained throughout the range. 
5.3.4.34 & 5.3.4.35Recommendation & StandardLess protective or partially implemented or not implementedThe UK does not specify this.Although capacitor discharge lights are allowed in the UK, no aerodrome has yet installed them - not used in the UK.
5.3.5.2StandardLess protective or partially implemented or not implementedThe UK does not use T-VASIS or AT-VASIS.UK considers T-VASIS and AT-VASIS are not acceptable for public transport operations.
5.3.5.3StandardLess protective or partially implemented or not implementedThe UK only requires APAPI or PAPI. T-VASIS and AT-VASIS are not considered acceptable for public transport operations.
5.3.5.43StandardMore exacting or exceedsThe UK uses a plane 1 degree below the lower boundary of an on slope signal originating 90 M from units where the LDA is 1200 M or greater, 60 M where the LDA is 800 M - 1199 M and 30 M where the LDA is less than 800 M, diverging at 15 degrees from the runway edge at the threshold out to 15 NM.This practice has been in existence since PAPI was originally designed.
5.3.7.1 - 5.3.7.6Recommendation Less protective or partially implemented or not implementedThe UK has not implemented such systems but permits variations to simple approach systems. If necessary, Annex 14 would apply. 
5.3.9.4 & 5.3.11.2StandardMore exacting or exceedsUK does not give 3 M discretion. The lights are located along the edges of the area declared for use as the runway.Does not promote the use of non-load bearing or unsuitable surface.
5.3.12.5StandardMore exacting or exceedsNo discretion is given for offset of runway centreline lights. The UK specifies 30 M spacing except for CAT III operations or departures in RVR <400 M when 15 M spacing is required.The UK has never specified 15 M spacing on runways intended to be used in RVR greater than 400 M regardless of maintenance serviceability. The long-term use of this practice in the UK has not adversely affected or reduced safety or impacted upon interoperability.
5.3.16.2StandardMore exacting or exceedsThe UK does not give 3 M discretion. The lights are located along the edges of the area declared for use as the stopway.The UK does not promote the use of non-load bearing or unsuitable surface.
5.3.17.1Standard Less protective or partially implemented or not implementedCentre line lights are not required between the taxiway centre line and the stop position on the stand.The UK requires conspicuous centreline markings and stand lead-in arrows which provide adequate guidance.
5.3.17.2, 5.3.17.4 & 5.3.17.9Recommendation More exacting or exceedsThe UK requires Taxi Centre Line Lights to be provided in RVR <400 M.The long-term use of this practice in the UK has not adversely affected or reduced safety or impacted upon interoperability.
5.3.17.5Recommendation Less protective or partially implemented or not implementedThe UK requirements refer to runway lighting and marking. If aircraft taxi routes utilise part of a runway, guidance is supplied by the runway marking and lighting. 
5.3.17.12RecommendationMore exacting or exceedsThe UK does not permit offset. 
5.3.17.15RecommendationDifferent in character other means of complianceThe UK bases spacing on RVR not radius of curve.Tests & practical experience confirm that the spacing is sufficient.
5.3.18.6RecommendationDifferent in character other means of complianceThe UK does not permit 3 M offset.The UK does not promote the use of non-load bearing or unsuitable surface.
5.3.20.1StandardMore exacting or exceedsThe UK requires stop bars for operations in RVR <800 M.The UK considers 800 M to be more suitable for the weather conditions experienced in the UK.
5.3.20.10RecommendationMore exacting or exceedsThe UK specifies High Intensity lighting to be used as a component of an A-SMGCS. 
5.3.21.1 & 5.3.21.2Standard &
Recommendation
Different in character other means of complianceStop bar specifications apply. Stop bars are provided at those aerodromes operating in RVR <800 M.The UK does not make any distinction between stop bars and Intermediate holding position lights.
5.3.21.3Recommendation Different in character other means of complianceThey should be positioned co-incident with any associated taxiway holding position marking so as not to obscure or interfere with the integrity of the marking.The UK does not make any distinction between stop bars and Intermediate holding position lights.
5.3.21.4Standard Different in character other means of complianceThe stop bar light fittings shall be spaced equally across the taxiway in a line at right angles to the taxiway centreline at intervals of no greater than 3 M.The UK does not make any distinction between stop bars and Intermediate holding position lights.
5.3.22.1Standard More exacting or exceedsInstead of de/anti-icing facility exit lights, taxiways are protected by stop bars irrespective of the type of facility e.g. apron, hangar, de-icing facility etc. 
5.3.22.2 & 5.3.22.3Standard Less protective or partially implemented or not implementedThe UK does not specify de-icing facility specifications.De-icing is carried out on apron areas.
5.3.27.1StandardLess protective or partially implemented or not implementedThe UK does not specify requirements for aircraft stand manoeuvring guidance lights.A visual docking guidance system or marshaller is normally used, and the UK requires adequate illumination to be provided across the apron area.
5.3.28.1 & 5.3.28.2Standard &
Recommendation
More exacting or exceedsThe UK requires this for RVR <1200 M to be consistent with requirements for runway guard lights.The UK believes that the application of road holding position lights should be consistent with those for runway guard lights, to provide commonality for airside drivers.
5.3.28.4Standard Different in character other means of complianceb) an amber light system meeting the characteristics of Runway Guard Lights is used.The UK requires lights meeting the configuration of runway guard lights are installed to provide consistency for airside drivers at all locations when entering a runway.
5.4.1.2RecommendationLess protective or partially implemented or not implementedThe UK does not currently permit variable message signs.The UK does not regard the technology, suitability and safety of such signs to be sufficiently mature.
5.4.3.4StandardDifferent in character other means of complianceNot used in the UK. The UK uses a location sign reversed onto the runway holding position sign.The UK believes that the location sign format and location is understood and applied across aerodromes. The long-term use of this practice in the UK has not adversely affected or reduced safety or impacted upon interoperability.
5.4.3.5RecommendationDifferent in character other means of complianceTORAs for intersection take offs are promulgated in the UK AIP.Providing a sign for intersections is not consistent with full length take-off procedures.
5.4.3.17StandardLess protective or partially implemented or not implementedThe UK does not specify the requirement for a runway exit sign. The UK uses a destination sign or a taxiway location sign to indicate the runway exit where required.The long-term use of this practice in the UK has not adversely affected or reduced safety or impacted upon interoperability.
5.4.3.19Standard Less protective or partially implemented or not implementedThe UK does not specify the positioning of a runway vacated sign. 
5.4.3.20Standard Less protective or partially implemented or not implementedThe UK requires intersection take-off distances to be promulgated in the AIP. 
5.4.3.24Recommendation Different in character other means of complianceThe UK permits the sign to be beside the taxiway.The long-term use of this practice in the UK has not adversely affected or reduced safety or impacted upon interoperability.
5.4.3.26Standard More exacting or exceedsThe UK requires location signs to be provided with a yellow border at all times.This provides a consistent format for all location signs.
5.4.3.28Standard Less protective or partially implemented or not implementedThe UK does not specify runway vacated signs.The long-term use of this practice in the UK has not adversely affected or reduced safety or impacted upon interoperability.
5.4.3.29RecommendationLess protective or partially implemented or not implementedThe UK does not specify intersection take-off signs.The long-term use of this practice in the UK has not adversely affected or reduced safety or impacted upon interoperability.
5.4.4.1 Standard Less protective or partially implemented or not implementedThe UK does not require or specify VOR aerodrome checkpoints.The long-term use of this practice in the UK has not adversely affected or reduced safety or impacted upon interoperability.
5.4.5.1Standard Less protective or partially implemented or not implementedThe UK does not require aerodrome identification signs.The long-term use of this practice in the UK has not adversely affected or reduced safety or impacted upon interoperability.
5.5.7.2StandardDifferent in character other means of complianceThe UK does not require markers to be within the light fitting.The UK does not perceive a safety benefit is achieved by doing so. Markers located next to lights have proved effective.
5.5.8.2StandardMore exacting or exceedsSpacing of boundary markers is every 45 M not 90 M. 
6.2.3.9RecommendationLess protective or partially implemented or not implementedThe UK does not specify the colour of overhead cable markers.Provision of cable markers rests with power transmission undertakings. The long-term use of this practice in the UK has not adversely affected or reduced safety or impacted upon interoperability.
6.2.5.4RecommendationLess protective or partially implemented or not implementedThe UK does not specify the size of cable markers.Provision of cable markers rests with power transmission undertakings. The long-term use of this practice in the UK has not adversely affected or reduced safety or impacted upon interoperability.
6.2.5.5RecommendationLess protective or partially implemented or not implementedThe UK does not specify the spacing of cable markers.Provision of cable markers rests with power transmission undertakings.
6.2.5.6RecommendationLess protective or partially implemented or not implementedThe UK does not specify the colour of cable markers.Provision of cable markers rests with power transmission undertakings.
7.2.2RecommendationMore exacting or exceedsInner edge of the taxi side stripe marking indicates the outer edge of the load bearing surface.The UK does not promote the use of non-load bearing or unsuitable surface.
8.1.10RecommendationDifferent in character other means of complianceThe UK requires all except for e), g) & h), as it is not considered that standby power requirements are essential for these lights.Existing power supply and standby arrangements are adequate. The long-term use of this practice in the UK has not adversely affected or reduced safety or impacted upon interoperability.
8.3.3Recommendation Less protective or partially implemented or not implementedThe UK does not specify these time minima.The long-term use of this practice in the UK has not adversely affected or reduced safety or impacted upon interoperability.
9.1.13StandardLess protective or partially implemented or not implementedb) The UK requires full-scale aerodrome emergency exercises at intervals not exceeding four years.The UK considers four years provides more flexibility to aerodrome operators to engage the necessary support of externally based agencies in support of these exercises. This improves the quality of the exercise.
9.2.1StandardMore exacting or exceeds The provision of RFFS at a level appropriate to the longest aircraft normally using the aerodrome and its fuselage width, is a requirement of the aerodrome licence/certificate. 
9.5.1 - 9.5.3RecommendationLess protective or partially implemented or not implementedThe UK delaying the applicability of Apron Management Services therefore does not currently require aerodrome operators to implement apron management services through a dedicated unit. Instead, several organisations have responsibilities for apron management and the safe movement of both aircraft and vehicles. Coordination between them is required.Subject to future rule making.
9.8.7RecommendationLess protective or partially implemented or not implementedThe UK does not require surface movement radar to be provided for use in RVR conditions less than 350 M.If SMR is not provided, operational limitations apply to ensure separation. SMR may be used in normal visibilities (e.g. at night) and is not limited only to poor visibility conditions.
9.12.2StandardLess protective or partially implemented or not implementedThe UK does not specify the requirement for ARIWS characteristics and status to be promulgated in the AIP. 
10.4.4Standard Different in character other means of complianceUK permits 1.2 M wide transverse strip.This has proven to be sufficient. The long-term use of this practice in the UK has not adversely affected or reduced safety or impacted upon interoperability.
10.5.8 & 10.5.9Standard More exacting or exceedsThe UK starts this requirement at RVR <400 M.400 M provides consistency with MATS Part 1 procedures for the implementation of LVOs.
10.5.11 & 10.5.12Standard More exacting or exceedsThe UK starts this requirement at RVR <800 M. 

Annex 14 Volume II: Heliports (4th Edition) (AMDT 9)

ICAO Ref.

Category (Standard, Rec’d Practice, etc.)

Difference

Details of Difference

Comments/Status

3.2.4StandardLess protective or partially implemented or not implementedWhere, subject to appropriate risk assessment, new helicopter types or type variants seek use of helideck designs which are less than 1D, 3.2.4 b) may be applied even to helicopters having a MTOM > 3175 KG.New helicopter types have been introduced to the UK sector which in some cases, have exceeded the D-value of helidecks on existing assets (commonly known as a sub-1D operation). Provided a CAP 437 Appendix H risk assesment for sub-1D operations can be satisfied on a case-by-case basis, it is acceptable for the dimensions of the TLOF to drop below 1D, even when serviced by a helicopter type with a MTOM which is > 3175 KG, as long as the FATO is no less than 1D.
3.2.10StandardLess protective or partially implemented or not implementedFully implemented with the exception of the requirement for object frangibility.The UK does not accept that objects can be frangible to all parts of a helicopter – particularly vulnerable is the tail section (rotor, stinger).
3.2.13StandardLess protective or partially implemented or not implementedThe Standard is applied to new builds completed on or after 14 November 2013. For existing installations with a D-value of 16.00 M or less, a review of essential objects in the OFS has been instigated with a view to limiting obstruction heights to as low as reasonably practicable.
3.2.14StandardDifferent in Character or Other means of compliance2.5 CM height limit based on max permitted height of the circle-H lighting components or helideck landing net each prior to installation. Where an operational need exists to install both systems a 2.5 CM height limit may be assumed for each component in isolation. Acceptance is applied only for helidecks used exclusively by wheeled helicopters where the threat of dynamic rollover is not an issue.The safety issue addressed by 3.2.14, as confirmed by the accompanying Note, is to mitigate the incidence of dynamic rollover for helicopters equipped with skids due to the presence of nets or raised light fittings above the surface of the TLOF. For the installed height of lighting the UK allows some small leeway for the installed height of components (segments, subsections, lighting elements and associated cabling) to marginally exceed 2.5 CM where a TLOF is serviced exclusively by helicopters with wheeled undercarriages. Helideck nets are acceptable where knots do not exceed 2.5 CM prior to installation.
3.3.12StandardLess protective or partially implemented or not implementedFully implemented with the exception of the requirement for object frangibility.The UK does not accept that objects can be frangible to all parts of a helicopter – particularly vulnerable is the tail section (rotor, stinger).
3.3.15StandardLess protective or partially implemented or not implementedThis Standard is being applied to new builds completed on or after 14 November 2013.For existing installations with a D-value of 16.00 M or less, a review of essential objects in the OFS has been instigated with a view to limiting obstruction heights to as low as reasonably practicable.
3.3.16StandardDifferent in Character2.5 CM height limit based on max permitted height of the circle-H lighting components or landing net each prior to installation. Where an operational need exists to install both systems a 2.5 CM height limit may be assumed for each component in isolation. Acceptance is applied only for shipboard heliports used exclusively by wheeled helicopters where the threat of dynamic rollover is not an issue.The safety issue addressed by 3.3.16 is to mitigate the incidence of dynamic rollover for helicopters equipped with skids due to the presence of nets or raised light fittings above the surface of the TLOF. For the installed height of lighting, the UK allows some small leeway for the installed height of components (segments, subsections, lighting elements and associated cabling) to marginally exceed 2.5 CM where a TLOF is serviced exclusively by helicopters with wheeled undercarriages. Helideck nets are acceptable where knots do not exceed 2.5 CM prior to installation.
4.1.24StandardLess protective or partially implemented or not implementedThe requirement for a 210° obstacle free sector is upheld for all new build helidecks. For legacy helidecks the obstacle free sector may be reduced to no less than 180°. All new helidecks must comply with the requirement for a 210° OFS. As regards legacy helidecks, it is agreed that an absolute minimum of a 180° OFS be provided. For helidecks with an OFS between 180° and 210°, there is insufficient evidence of a safety issue to impose any restrictions or demand corrective action. In order to regularise the situation, for those legacy helidecks which are unable to comply, the 210° Obstacle Limitation Surface (OLS) may be regarded as an Obstacle Identification Surface (OIS).
4.2.7, 4.2.10StandardMore exacting or exceedsThe UK does not permit heliport designs with only a single approach and take-off climb surface.Most helicopters require to operate into wind approach and take-offs.
4.2.19

Standard

More exacting or exceeds

For new build amidships shipboard heliports and refurbishments over 16.0 M completed on or after 10 November 2018, objects are restricted to no greater than 15 CM. For amidships shipboard heliports of 16.0 M or less, objects are restricted to no greater than 5 CM.There is a potential incompatibility between 3.3.14 and 3.3.15 and 4.2.19 which will be raised with ICAO.
4.2.23

Standard

More exacting or exceedsFor non-purpose built ship side landing areas of 16.0 M or less objects are restricted to no greater than 5 CM.There is a potential incompatibility between 3.3.15 and 4.2.23 which will be raised with ICAO.
5.3.7.3

Standard

Different in character or other means of complianceWhere the TLOF is not located within the FATO at a surface level heliport, the lighting of the FATO may consist of green perimeter lights (in lieu of white lights).For surface level heliports located in a light rich environment of a city, town or settlement, research has indicated more effective acquisition of the heliport by use of green perimeter lighting.
5.3.7.4

Recommendation

Different in character or other means of compliance

Where the TLOF is not located within the FATO at a surface level heliport, the lighting of the FATO may consist of green perimeter lights meeting Illustration 5.The distribution of light for illustration 4 is contrary to the established position of the helicopter on approach to a heliport as confirmed by UK research data i.e. the specification for the light in the vertical elevation is incompatible with typical approach path angles.
5.3.9.11Recommendation

More exacting or exceeds

The UK requires that both the TD/PM circle and heliport identification marking be illuminated.As of 1 April 2018, the lit TD/PM circle and lit heliport identification 'H' marking is mandated for offshore helidecks by a Safety Directive.
5.3.9.16StandardDifferent in character or other means of complianceFor the TD/PM circle, the UK allows a minimum width of 40 MM.This specification is now recognised in the Heliport Manual (onshore) Doc 9261 as being an acceptable means of compliance.
5.3.9.22RecommendationMore exacting or exceedsUK specification is more demanding at lowest elevations but less demanding at higher level (where UK research confirms the lowest light outputs are required).UK has published its own version of Illustration 5 based on real data for helicopter approach path angles. This specification is now recognised in the Heliport Manual (onshore) Doc 9261 as being an acceptable means of compliance.
5.3.11.4RecommendationLess protective or partially implemented or not implementedThe UK does not require a heliport to demonstrate compliance with this recommendation.It is very difficult to achieve or verify this recommendation and UK accepts that if the objective of standard 5.3.11.3 for the spectral distribution of floodlighting across the surface is met, this will provide adequate visual cues to allow for safe winching area operations.
5.3.14.3RecommendationLess protective or partially implemented or not implementedThe UK does not require a lit obstacle to demonstrate compliance with this recommendation.It is very difficult to achieve or verify this recommendation and UK accepts that if the objective of standard 5.3.14.2 for the illumination of the entire obstacle is met, this will provide adequate warning to pilots to facilitate safe operations/ clearance from the object.

Annex 15 Aeronautical Information Services (16th Edition) (AMDT 41)

ICAO Ref.

Category (Standard,
Rec’d
Practice,
etc.)

Difference

Details of Difference

Comments/Status

C11.1.106DefinitionVOLMETLess protective or partially implemented or not implementedUK VOLMET and D-VOLMET provides current aerodrome routine meteorological reports only.System designed to give rapid refresh of current conditions at key aerodromes in high density air traffic airspace.
C11.2.2.2StandardMore exacting or exceedsIn the UK, OSGM15 (which includes data from EGM-96) is the geoid model used for determining heights above MSL to the required level of accuracy.EGM-96 does not meet accuracy requirements for elevation and geoid undulation specified in Annex 14, Volumes I and II.
C11.2.2.3StandardLess protective or partially implemented or not implementedParameters for height transformation between OSGM15 and EGM-96 are not published.There is no perceived requirement in the UK for a description of the parameters required for height transformation between OSGM15 and EGM-96.
C33.2.2StandardMore exacting or exceedsPublication resolution is more exacting.Where the data appears in more than one section of the AIP with different resolution requirements, the higher resolution will be applied, to avoid ‘rounding’.
C55.3.1.1 to 5.3.2.3; and 5.3.4.1 to 5.3.5.2StandardLess protective or partially implemented or not implementedUK regulation requires the AIS provider to ensure that digital data is in the form of the specified data sets only when available.The UK has a stated objective to work towards the provision and maintenance of digital data sets for all aeronautical information products in accordance with ICAO specifications to be implemented by 31 December 2024.
C55.3.3.1; 5.3.3.3.4; 5.3.3.3.7; 5.3.3.4.5 and 5.3.3.4.6StandardMore exacting or exceedsUK policy is more demanding in certain cases.UK requirements for data collection surfaces and coverage areas are intended to ensure that one aerodrome survey will deliver all data necessary to generate Obstacle Limitation Surfaces, design Instrument Flight Procedures and produce the required charts.
C66.3.2.3 and 6.3.2.4StandardMore exacting or exceedsThe UK requires that unavailability of a runway due to runway marking works or, if the equipment used for those works can be removed, a time lag required for making the runway available shall be notified by NOTAM. 

Annex 16: Environmental Protection — Vol I (Aircraft Noise) (8th Edition) (AMDT 13)

ICAO
Ref.

Category
(Standard,
Rec’d
Practice,
etc.)

Difference

Details of Difference

Comments/Status

NIL

Annex 16: Environmental Protection — Vol II (Aircraft Engine Emissions) (4th Edition) (AMDT 10)

ICAO
Ref.

Category
(Standard,
Rec’d
Practice,
etc.)

Difference

Details of Difference

Comments/Status

Part I
1.13DefinitionLess protective or partially implemented or not implementedNot yet implemented in UK regulations.Will be compliant on 01 January 2023 under regulation 1(3) of S.I. 2022/637.
Part III
1.6, 1.7, 2.1.1.1, 4.2.1.1, 4.2.1.2, 4.2.2.1, 4.2.2.2, 4.2.3StandardLess protective or partially implemented or not implementedNot yet implemented in UK regulations.Will be compliant on 01 January 2023 under regulation 1(3) of S.I. 2022/637.

Annex 16: Environmental Protection — Vol III (Aeroplane CO2 Emissions) (1st Edition) (AMDT 1)

ICAO
Ref.

Category
(Standard,
Rec’d
Practice,
etc.)

Difference

Details of Difference

Comments/Status

NIL

Annex 17: Security (6th Edition) (AMDT 10)

ICAO
Ref.

Category
(Standard,
Rec’d
Practice,
etc.)

Difference

Details of Difference

Comments/Status

NIL

Annex 18: The Safe Transport of Dangerous Goods by Air (4th Edition) (AMDT 12)

ICAO Ref.

Category (Standard,
Rec’d
Practice,
etc.)

Difference

Details of Difference

Comments/Status

C1010.1StandardLess protective or partially implemented or not implementedUK Reg. (EU) and national regulations provide the legal requirement for initial and recurrent training programmes to be established for all entities except for agencies engaged in the security screening of passengers and their baggage.The CAA is in dialogue with the DfT with the aim of establishing a) UK legal requirements for passenger and baggage screeners to complete initial and recurrent dangerous goods training and testing and b) guidance to aid industry to comply.
C1010.2.2StandardLess protective or partially implemented or not implementedDesignated Postal Operator training programmes subject to review and approval but legal requirement for approval is not yet in place.Legislation has been drafted but is subject to review.
C1010.2.3RecommendationDifferent in character or other means of complianceOutsourced Cat 1 training and all Cat 6 training is subject to CAA approval. All other training subject to audit. 
C1111.4StandardLess protective or partially implemented or not implementedDesignated Postal Operator procedures subject to review and approval but legal requirement for approval is not yet in place.Legislation has been drafted but is subject to review.

Annex 19: Safety Management (1st Edition) (AMDT 1)

ICAO Ref.

Category (Standard,
Rec’d
Practice,
etc.)

Difference

Details of Difference

Comments/Status

NIL

Doc 4444: Procedures for Air Navigation Services — Air Traffic Management (15th Edition)

ICAO Ref.

Category (Standard,
Rec’d
Practice,
etc.)

Difference

Details of Difference

Comments/Status

Chapter 4: General Provisions for Air Traffic Services
4.5.7.2.1  The phraseology 'Cleared via flight plan route' is not used in the UK. 

4.5.7.5.1

  In addition, the following items are to be read back in full: taxi/ towing instructions, approach clearances, altimeter settings, VDF information, type of ATS Surveillance Service being received and frequency changes. See GEN 3.3.3. 

4.6.1.5

  

At or above FL 280, speeds shall be expressed in multiples of 0.01 Mach; below FL 280, multiples of 10 KT shall be used.

 
4.9  UK wake turbulence categories are different to ICAO. Pilots should refer to and be familiar with UK AIC P083/2020 Wake
Turbulence.
 
Chapter 5: Separation Methods and Minima
5.3.3.2  Cruise climbs are not authorised by ATC in the UK. 
Chapter 6: Separation in the vicinity of aerodromes
6.3.2.4  

Revised SID/STAR phraseology not yet implemented.

Work is under way to effect UK implementation of PANS-ATM Amendment 7 provisions (date to be confirmed).

6.5.2.4

  

Descent clearance on a STAR is as directed by ATC. Revised STAR phraseology not yet implemented.

Work is under way to effect UK implementation of PANS-ATM Amendment 7 provisions (date to be confirmed).
Chapter 7: Procedures for Aerodrome Control Service

7.2

  

The procedure for selection of runway in use for noise preferential reasons is currently not implemented in the UK.

 

7.6.3.1.1.3

  

Standard taxi routes are not published in the UK. Taxi instructions will be issued individually by ATC.

 

7.6.3.2.3.3

  

In the UK, the use of flashing runway or taxiway lights has no meaning and is not used.

 

7.15

  

Aerodrome lighting shall be displayed from 15 minutes before any ETA and until 15 minutes after any ATD as follows:

  1. By day: High intensity systems, where installed on the runway to be used, whenever the visibility is less than 5 KM and/or the cloud base is less than 700 FT;

  2. By night: Irrespective of weather conditions.

 
Chapter 8: ATS Surveillance Services

8.6.5.1 (b)

  

Except in the approach phase, the purpose and extent of initial vectors will not be given by controllers. Aircraft in receipt of vectors and subsequently experiencing radio failure must follow the radio failure procedure notified at ENR 1.1.3.

 
8.6.5.1 (c)  

Controllers will endeavour to keep aircraft in receipt of vectors not less than 2 NM from the boundary of controlled airspace.

 

8.7.3.2 (b)

  

Unless wake turbulence spacing is required, 2.5 NM spacing on final approach may be used between successive aircraft arriving at London Heathrow. Pilots should be aware that this spacing may be applied up to 20 NM from the threshold. Further details are notified in AIP EGLL-AD-2.20.

 

8.7.3.4

  

UK wake turbulence categories are different to ICAO. Pilots should refer to and be familiar with UK AIC P083/2020 Wake Turblence.

 

8.9.6.1.3

  

Obstacle clearance criteria applicable to each runway are detailed on UK AIP aerodrome approach charts and will not be routinely given by controllers over the RTF.

 
Chapter 12: Phraseologies

12.2.4

  

Pilots are not required to report non-approved RVSM status in all requests for level changes and their read-backs.

 

12.3.1.2
(a) 1

  

For level changes and reports: 'TO' shall only be used to describe altitude or height, eg 'DESCEND TO ALTITUDE 3000 FT'. It is not used when describing Flight Levels, eg 'CLIMB FL 250'.

 

12.3.1.2
(z) to (kk)

  

Revised SID/STAR phraseology not yet implemented.

Work is under way to effect UK implementation of the PANS-ATM Amendment 7 phraseology (date to be confirmed but not before late 2017).
12.3.2.1
(c) & (d)
  

RECLEARED is to be used only when it relates to an ATC route clearance, airways, reporting points and waypoints, but NOT for instructions to climb and descend. The phrase 'CONTINUE AS CLEARED' is not to be used in the UK.

 

12.3.2.4 (c)

  

'CRUISE CLIMB' is not used in the UK.

 

12.3.3.1
(f) to (h)

  

Revised departure instructions phraseology not yet implemented.

Work is under way to effect UK implementation of the revised PANS-ATM Amendment 7 phraseology (date to be confirmed but not before late 2017).

12.3.3.2
(a) to (f)

  

Revised approach instructions phraseology not yet implemented.

Work is under way to effect UK implementation of the revised PANS-ATM Amendment 7 phraseology (date to be confirmed but not before late 2017).

12.4.1.8
(e) & (f)

  

For avoiding action the following phraseology will be used:AVOIDING ACTION. Turn left (or right) immediately heading (three digits). Traffic (bearing by clock reference and distance).

  

OTHER UK PHRASEOLOGY

Student Pilots: In the UK, pilots may hear the use of 'STUDENT' as part of the RTF callsign. The use of this term has been introduced to increase the awareness of controllers and other airspace users to the presence of student pilots flying solo.

Reduced runway separations: When using ICAO reduced runway separation procedures, the phraseology 'LAND AFTER THE (aircraft type)' will be used. Full details of these procedures are notified in GEN 3.3.3.

Unlawful interference: Pilots of aircraft subject to unlawful interference may hear one or more of the following phraseologies:

  1. 'I am instructed by His Majesty's Government to refuse entry into United Kingdom airspace/ to inform you that landing clearance has been refused for any airfield within the United Kingdom. What are your intentions?'

  2. 'I am instructed by His Majesty's Government that you are to hold at (fix or GPS position) at (level). Acknowledge'.

Approach delays: If, for reasons other than weather, eg an obstruction on the runway, the extent of approach delays are not known, aircraft will be advised 'DELAY NOT DETERMINED'. As soon as it is possible for aircraft to re­ commence approach procedures, EATs will be issued.

Helicopter phraseology

The UK has developed specific phraseology for use in helicopter operations. Helicopter pilots should be familiar with the relevant content of CAP 413 Radiotelephony Manual.http://www.caa.co.uk/cap413

Chapter 13: Automatic dependent surveillance - contact (ADS-C) services

  

ADS-C systems are currently not used in the UK.

Chapter 15: Procedures related to emergencies, communication failure and contingencies

15.1.4

  

UK controlled airspace is complex and congested; traffic is often orientated on the airway in certain directions or flows. Therefore, if able, aircraft executing an emergency descent should remain on the assigned route or track whilst carrying out the descent; unless doing so would endanger the aircraft.

15.1.4.2  

Upon hearing an emergency descent broadcast on the ATC frequency, pilots should: maintain radio silence, listen for instructions from ATC, maintain a good visual lookout and respond to TCAS advisories.

15.3.3

  

UK Radio Failure procedures for IFR/IMC flights provide pilots with instructions more comprehensive than ICAO procedures. Pilots should read and be familiar with UK Radio Failure procedures notified at ENR 1.1.3 paragraph 3.

Chapter 16: Miscellaneous Procedures

16.2

  

For the rules, regulations, responsibilities and restrictions regarding unmanned free balloons in UK airspace, users should contact the UK CAA's Airspace Utilisation Section.

16.4  

For UK repetitive flight planning requirements see ENR 1.10.

Doc 8168: Procedures for Air Navigation Services — Aircraft Operations Vol I (Flight Procedures) (4th Edition)

ICAO Ref.Category (Standard, Rec’d Practice, etc.)DifferenceDetails of DifferenceComments/Status

Part I: Departure Procedures

Section 2; Chapter 1: Use of FMS/RNAV equipment to follow conventional departure procedures

1.4

  

Additional requirements:

  1. the conventional procedure must have been inserted into the FMS from a recognised database and cannot be manually loaded or modified by the crew other than to follow ATC instructions;

  2. after the procedure has been loaded into the FMS as above, it must be cross-checked against the published conventional procedure before any attempt is made to follow the procedure using the FMS.

 

Part I: Noise Abatement Procedures

Section 7; Chapter 2: Noise Preferential Runways and Routes

2.2.3.

  In general, where turns are required shortly after take-off for noise abatement or other operational purposes, the nominal track has not been designed in accordance with the criteria in Volume II Part 2 Chapter 3 para 3.3. However, no turns are to be commenced below a height of 500 FT AAL. Airport Operators may specify the criteria used to determine individual Noise Preferential Routes. These criteria are for guidance only and aircraft operators should adhere to the routes to the maximum extent practicable commensurate with the safe operation of the aircraft. 
Part I: Aeroplane Operating Procedures
Section 7; Chapter 3

3.8.

  

Unless otherwise stated, the upper limit for noise abatement procedures is 3000 FT ALT. However, aircraft operators are expected to operate their aircraft at all times in a manner calculated to cause the least noise disturbance on the ground.

 

Doc 8168: Procedures for Air Navigation Services — Aircraft Operations Volume II (Construction of Visual and Instrument Flight Procedures) (4th Edition)

ICAO Ref.Category (Standard, Rec’d Practice, etc.)DifferenceDetails of DifferenceComments/Status

Part I: Procedure Construction and Obstacle Clearance Criteria for Departure Procedures

Section 3; Chapter 3: Turning Departure

3.3

  

In general, when turns are required shortly after take-off for noise abatement or other operational purposes, the nominal track has not been designed in accordance with these criteria. However, no turns are to be commenced below a height of 500 FT AAL Primary and Secondary areas for obstacle clearance on Standard Instrument Departure Procedures, where published, are determined along the nominal ground track of the Noise Preferential Route as specified by the Airport Operator. Obstacle clearance is not assessed for any routes other than published Standard Instrument Departures Procedures.

 

Part I: Initial Approach SegmentSection 4; Chapter 3: Requirements for separate instrument approach charts

3.4.5.2

3.5.4.4

  In certain procedures differentoutbound tracks and/or timings may be specified for Category A/B and Category C/D aircraft. These tracks/ timings will normally bepublished on a commoninstrument approach chart.Separate charts will normally be published whenever Category A/ B and Category C/D aircraft have different procedure altitudes ordifferent missed approach points. 
Part I: Length
Section; Chapter 4
4.3.1.1  The length of the intermediatesegment should conform tothe standard given in paragraph 4.3.1.1 whenever possible. However, when an operational advantage may be gained, the minimum length of the intermediate segment may be reduced to 5.5 KM (3 NM). 
Part I: Turn as soon as practicable
Section 4; Chapter 6

UK Addition

6.4.5.7

  Paragraph 6.4.5.7 UK addition to PANS-OPS. 
Part I: General

UK Addition

6.4.5.7.1

  A turn as soon as practicableis prescribed in non-precisionprocedures when it is essential to locate the TP before the SOC associated with the normal turn at an altitude or at a fix, and when itis not convenient to move theMAPt. When specified, the missed approach proceduresshall be annotated 'turn left (orright) as soon as practicable'.The criteria are the same asthose for a turn at a designated altitude, modified in accordance with the paragraphs UK Addition6.4.5.7.2 to 6.4.5.7.4. 
Part I: Turn altitude/height

UK Addition

6.4.5.7.2

  The turn altitude/height is alsothe OCA/H for the procedure.The TP is plotted at distance cafter the latest limit of the MAPt tolerance area. 
Part I: Areas

UK Addition

6.4.5.7.3

  Turn initiation area. The turninitiation area is bounded by the edges of the MAPt tolerance area, starting at the earliest MAPt and extended beyond the latest MAPt to the TP. 

UK Addition

6.4.5.7.3.1

  Turn area. The inner and outerboundaries of the turn area are constructed as specified in paragraph Part I Sect 4 Chapter 6 paragraph 6.4.5.2.2 with the following exceptions:a. The boundaries are based on the intermediate missed approach speed of the appropriate aircraft category;b. The outer boundary starts at the range of the TP (distance c has already been included in the turn initiation area). 
Part I: Obstacle clearance

UK Addition

6.4.5.7.4

  The obstacle clearance in theturn initiation and turn areas isadjusted to preserve the normal MOC associated with the transitional tolerance X into the turn area as follows:a. Obstacle clearance in the turn initiation area. Obstacle elevation/height in the turn initiation area shall be less than:OCA/H - MOC approach segmentb. Obstacle clearance in the turn area. Obstacle elevation/ height in the turn area and subsequently shall be less than:OCA/H - MOC missed approach + (d0 - X) tan Z with the additional provision that obstacle height need not be less than (OCH - MOC approach segment). Where d0 is measured from theobstacle to the nearest point on the turn initiation area boundary. MOC approach is the primary area MOC associated with the final approach segment. MOC missed approach is the MOC applicable to the missed approach; 50 M (164 FT) for turns exceeding 15° and 30 M (98 FT) for turns of 15° or less, reduced if appropriate for obstacles within any secondary areas. 
Part I: Minimum Sector Altitudes (MSA)
Section 4; Chapter 8
8.4  Combining sectors for adjacent facilities: Where more than one facility provides arrival segment tracking to an instrument approach procedure, and unlessotherwise specified, the minimum sector altitude for each sector is the highest of those calculated for that specific sector for every facility serving the procedure, regardless of the distance between the facilities. TheInstrument Approach chart willstate the facilities used in thecalculation of MSA. eg 'MSA25NM VOR XXX or NDB(L)YYY'. 
Part II: Surveillance Radar
Section 2; Chapter 6

UK Addition

6.1.1
6.2.3
  

General.

See paragraph UK Addition6.6 below for separate criteriafor approved 'high resolution'equipment with a terminationrange of 0.5 NM or less. Additionally, within a specifiedarea aligned with an Instrument Runway, when an aircraft is being vectored to an Instrument Approach, minimum obstacle clearance may be reduced to 150 M (500 FT). The specified area is shown on the ATCSurveillance Minimum AltitudeChart and is of the followingdimensions:A line 2.5 NM long, centred onthe runway centreline, 1.5 NMfrom the threshold in the approach and a line 5 NM long, centred on the runway centreline, 9.5 NM from thethreshold in the approach, joined at the ends to form a quadrangle.

 

6.4.3

  

Area.

The area to be considered for obstacle clearance begins at the FAF and ends at the MAPt.

 

6.5

  

Termination Range.

A Surveillance Radar Approach shall be terminated 2 NM before touchdown except where a termination range of 1 NM has been specifically approved. See paragraph 6.6 below for separate criteria for approved 'high resolution' equipment with a termination range of 0.5 NM or less.

The Missed Approach Point (MAPt) is located at the point where the radar approach terminates. However, where operationally advantageous, the MAPt for 2 NM SRAs may be designated as 1 NM before touchdown.

 
Surveillance Radar (high resolution) - UK addition to PANS-OPS

UK Addition

6.6

  

General.

Certain approved Surveillance Radar equipments can provide final approach guidance of better quality than that provided for in paragraph 6.1. The criteria for procedures using these radars are the same as those contained in paragraphs 6.2 and 6.3 except for the final approach and missed approach areas and obstacle clearance described below:

Note: Approval of 'high resolution' SRE procedures is based on an operational and technical evaluation of the equipment. In all cases:

a. There is a continuous talk-down, on a discrete frequency, from 4 NM with ranges and advisory heights being given every 0.5 NM;

b. The approach controller providing final approach guidance is allocated full time to the task;

c. The display system incorporates a centreline with associated reflectors to confirm centreline accuracy;

d. The accuracy, resolution, antenna rotation rate. Low­ level cover, and extent of permanent echoes are assessed as capable of giving a high probability of a successful approach with a termination range of 0.5 NM or less.

 

UK Addition

6.6.1

  

Area.

The area to be considered for obstacle clearance begins at the FAF and ends at the MAPt and is centred on the Final Approach Track. The minimum length of the Final Approach Track shall be 3 NM. The length shall be established by taking account of the permissible descent gradient (see paragraph 6.4.5). The maximum length should not exceed 6 NM. Where a turn is required over the FAF, Table I-4-5-1 in Part 1, Section 4, Chapter 5 applies. The width of the area is proportional to the distance from the radar antenna, according to the following formulae:

W/2 = 1.9 + 0.1 D KM, for D greater than 10 KM.

W/2 = 0.3 + 0.26 D KM, for D equal or less than 10 KM.

Where:

W = total area width in KM.

D = distance from antenna to track in KM

The maximum value for D is 37 KM (20 NM) subject to the accuracy of the radar equipment as determined by the Authority.

A secondary area comprising 25% of the total width lies on each side of the primary area, which comprises 50% of the total width.

 

UK Addition

6.6.2

  Obstacle Clearance.
The MOC is 75 M (246 FT) inthe primary area, reducing tozero at the outer edges of thesecondary areas.
 

UK Addition

6.6.3

  

Missed Approach Secondary Areas.

Secondary areas are established on each side of the primary area, with width equal to 25% of the total area width at the MAPt, reducing to zero width at the SOC.

 
3  Data not fully compliant with data quality requirements (ADQ)

Numerical data and information with ICAO integrity classification ‘critical’, ‘essential’ or ‘routine’ made available via UK AIS, shall be provided in accordance with the requirements on the quality of aeronautical data and aeronautical information specified in relevant ICAO Annexes and UK Regulations (EU) 2017/373 and 139/2014.

Requirements on the quality of aeronautical data and aeronautical information apply to aeronautical data and aeronautical information with an ICAO integrity level and/or intended for use in IFR traffic and which are included in the following products made available by or through the UK AISP:

  1. Aeronautical Information Publication (AIP), including Amendments and Supplements;

  2. Aeronautical charts;

  3. NOTAM; and

  4. Digital data sets.

Requirements on the quality of aeronautical data and aeronautical information apply to all parties involved in the upstream data chain from the point of origination to the point of publication by AIS. This includes aerodrome operators, air navigation service providers, entities providing services for the origination and provision of survey data, airspace structure design and flight procedure design services and entities providing electronic terrain and obstacle data and any other parties originating, processing, or providing data in the scope of the data quality requirements.

More information regarding the applicability of ‘ADQ’ requirements can be found in CAP 1054 Chapter 2.

All data items that are in the scope of the ADQ but do not meet the data quality requirements are listed here:

https://nats-uk.ead-it.com/cms-nats/opencms/en/Publications/Data-Quality/

Additionally, all Area 1 Obstacles (the height of which is 100 M or more AGL) included in ENR 5.4 and all Instrument Flight Procedures published in relevant AD sections should be considered non-compliant with ADQ. Aeronautical data published for aerodromes outside of the scope of ADQ (as per paragraph 1.5 in AD 1.4) will not be annotated to indicate their data quality compliance.

Aeronautical data published in the Remarks column of an AIP Table shall be considered as non-compliant to the ADQ.