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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.

Supplemental Type Certificates (STCs)are issued to ratify approvals of major changes to aeronautical products or any change to the approved type design from applicants other than the Type Certificate Holder.

The UK left the European Union aviation system on 31 December 2020, and as such is no longer part of European Union aviation institutions, including the European Union Aviation Safety Agency (EASA).

EASA STCs valid up to this date are considered approved by the CAA and have not been published on the CAA website. Consult the STC holder for information on these design approvals.

Going forward, the CAA will issue its own STCs and will published them on this page.

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