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Aeronautical Information Service


Welcome to the UK AIS Internet Briefing System website.


This site is the official distribution platform for the following UK Aeronautical Information Products:

> UK Aeronautical Information Publication (AIP), including Amendments and Supplements (SUPs);

> Aeronautical Information Circulars (AIC);

> Aeronautical Charts;


> Digital Data sets; and

> Foreign AIP Information (See Related Sites below).

The UK Civil Aviation Authority (CAA) is responsible for the form and content of the UK Aeronautical Products and NATS as the UK Aeronautical Information Service Provider is responsible for the preparation and availability of the products.These products are supplied in accordance with UK AIP GEN 0.1.


Pre-flight Information Bulletins (PIB) are a recapitulation of valid NOTAM of operational significance and are available to registered users through the briefing tool.


Please do not bookmark any pages on this site. Only use the bookmarks listed here and bookmark the contingency site: https://www.nats.aero/do-it-online/pre-flight-information-bulletins/ which provides access to all the products should this site become unavailable.


NATS AIS has no association with any third parties that offer alternative briefing products or solutions, any discrepancies with an alternative source needs to be raised with the supplier of the source.


For the mobile version of Pre Flight Information Briefs please follow



ENR 3.2 ATS Route Remarks

When reviewing ENR 3.2 ATS Route remarks, please refer to the PDF version of the AIP as the eAIP version may contain additional deprecated text. The issue is rectified in AIRAC 10/2023.

SNOWTAM Proposals
Effective 05 October 2023 (AIRAC 10) the UK NOTAM Office (NOF) will take on the role of processing SNOWTAM proposals.
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NOTAM proposals via email
Please be advised, with effect from 10 Aug 23, NOTAM Proposals via email will no longer be accepted by the UK NOF...
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To simplify access and maintenance of visual Reference Points, all entries from individual AD 2.22 Aerodrome sections have been removed and consolidated into .....

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