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Spotlight on…Bruce!

Appointment of new HoOoBR Head of Office of Belly Rubs           "I check that biscuits are Fresh and Tasty" Name: Bruce Erskine Fasten your seatbelts, everyone,…
STC Twenty One
March 6, 2024

Aerospace Unlocking Potential.

STC21: Innovation for the Future of Aerospace: STC Twenty One Limited recently completed a project with the assistance of an Innovation Grant from the Aerospace Unlocking Potential (Aerospace UP) programme…
STC Twenty One
June 21, 2023

Upgrading to a new Galley?

STC Twenty One has recently finished a bespoke set of drawings and certification that replaced the G1 & G4B galleys onto a Boeing 737 aircraft. Our customer was in the…
STC Twenty One
August 17, 2022

UK CAA Approved Design Organisation

STC Twenty One

All aircraft modifications and aircraft repairs are managed by our UK CAA approved Design Office represented by STC Twenty One (UK.21J.0198).

What We Offer


STC Twenty One Limited holds a Part 21 Subpart J DOA enabling it to certify EASA and UK CAA approved STCs and Major Repairs. Additionally, where a design change or repair is classified as minor, STC Twenty One Limited is authorised to approve them under the DOA using approval reference EASA.21J.198 and UK.21J.0198.

Our employees are spread across our Avionics, Mechanical, Quality and Commercial Teams with a high level of experience and certification enabling the company to perform specialised services on engines and aircraft. Read more about our Services.

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Need more information or want to arrange to meet us?

+44 1332 576830

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