First UK DOA to Receive a UK CAA STC Approval

STC Twenty One Ltd made history today (8th April 2021) after successfully receiving the UK CAA’s first issued STC Certificate since the UK withdrawal from the EU.

The STC approves a complete bespoke VVIP interior onto a Boeing BBJ Max-8 aircraft.

Looking forward, we anticipate cooperating with the UK CAA on many upcoming projects and maintaining our close relationship in the future and we thank them for their first-rate support on this project

This area of aircraft modification is just one of the many types of design changes we can offer. Why not contact us today on, find us at just search for ‘STC 21’ or simply click the link below and fill out one of our contact forms.