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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 or major modifications to aeronautical products or any change to the approved type design from applicants other than the Type Certificate Holder or Type Approval Holder.

Approved non-Part 21 STCs are listed on this page.

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