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UK – EU Transition, and UK Civil Aviation Regulations

To access current UK civil aviation regulations, including AMC and GM, CAA regulatory documents, please use this link to UK Regulation. Please note, if you use information and guidance under the Headings below, the references to EU regulations or EU websites in our guidance will not be an accurate information or description of your obligations under UK law. These pages are undergoing reviews and updates.

The North Atlantic (NAT) is the busiest of all oceanic airspace; direct pilot-controller communication is limited and radar surveillance is generally unavailable. Flight within NAT HLA airspace is only available with the required approval.

The exact dimensions of the NAT HLA airspace are stated within The Air Navigation Order & Regulations.

The ICAO North Atlantic Operation Manual provides the best source of guidance and information for those planning operations in NAT hla airspace.


Applying for NAT HLA Approval - AOC holders

Completed CAA Form CA 4040 should be emailed to navapprovals@caa.co.uk. At present, no charge is made for NAT HLA Approval for AOC holders. Applicants should also inform their assigned Flight Operations Inspector.

Applying for NAT HLA Approval - NCC/NCO/SPO

Completed CAA Form CA 4040, together with the appropriate fee, should be emailed to navapprovals@caa.co.uk. Details of costs can be found in the CAA Scheme of Charges for General Aviation.

CAA Gateway Contact

CAA Shared Services Centre (Navigation)
Telephone: +44 (0) 3300 221 908
Email: navapprovals@caa.co.uk

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