We use necessary cookies to make our website work. We'd also like to use optional cookies to understand how you use it, and to help us improve it.

For more information, please read our cookie policy.



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.

News from UK Civil Aviation Authority

  1. UK regulator unveils new AI strategy
  2. UK to bring aviation experts together for third legal summit
  3. UK Civil Aviation Authority approves Manchester Low-Level Route airspace change