What We Do

Quadrant Avionics Limited is a specialist in the design and manufacture of electronic equipment for airborne use. Our engineers have years of experience designing for the airborne environment and are thoroughly familiar with the civil and military regulatory environments.


We are able to apply high reliability design techniques to meet the needs of the demanding airborne environment.  All of our products are designed, tested and manufactured in-house or in concert with our extensive list of approved suppliers. 


Products are fully qualified to RTCA DO-160 and, where appropriate, software is qualified to RTCA DO-178B and/or DO-254. Manufacturing is conducted to the highest standards in accordance with IPCA requirements.


Products are then released to service on a Certificate of Conformity of EASA Form 1 if required.



• Military – C4ISR and ISR
• Police and Law Enforcement
• Customs and Border Control
• Search and Rescue (SAR)
• Aerial Broadcast Television & Film Production
• Fisheries Protection
• Command and Control
• Unmanned Aircraft Systems (UAS)