Current Roles at STC Twenty One

Careers

Avionics Design Engineer

STC Twenty One Limited has a requirement for an Avionics Design Engineer with experience in Part 21 J. The Avionics Design Engineer will be working on multiple large projects for…
STC Twenty One
August 8, 2019

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EASA Approved Design Organisation

STC Twenty One

All Aircraft modifications and Aircraft repairs are managed by our EASA approved Design Office represented by STC Twenty One (EASA DOA.21J.198).

What We Offer

Design Services

STC Twenty One Limited holds a Part 21 Subpart J DOA enabling it to certify EASA 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.

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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+44 (0) 1332 576830

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