Why choose Addison for Instrument & Avionics Repair & Overhaul?
Addison Avionics is a premier, FAA Certified Repair Station, standing as an industry leader in the expert repair and overhaul of aircraft instruments and avionics. This dual certification is our commitment to you, guaranteeing that every service we perform adheres to the most stringent international standards for quality, safety, and reliability. From legacy analog instruments in classic airframes to the latest integrated glass cockpit displays, our comprehensive capabilities ensure we are equipped to support the needs of any fleet. Our singular focus is to deliver a finished component that is not only repaired to perfection but also provides a level of precision and dependability that pilots and maintenance crews can trust implicitly.


Key Aspects of Our Repair Service
Our status as an FAA Certified Repair Station is more than just a title; it is a guarantee of quality that governs every action we take. This dual certification ensures that our facilities, tools, personnel, and procedures meet the most rigorous international standards for safety and performance. Our internal Quality Department reinforces these standards, driving a culture of precision that has resulted in a technician failure rate of less than 1%. For our customers, this means every repaired or overhauled component you receive from us is dependable, airworthy, and ready for service with complete confidence.
Where many facilities simply swap out entire “black boxes,” our expertise is in true component-level repair. Our highly skilled technicians specialize in troubleshooting down to the individual circuit board, identifying and replacing failed microchips, resistors, and capacitors. This approach is often significantly more cost-effective than purchasing a new or exchange unit and is a core part of our strategy to help customers manage their repairs and minimize costs. It also allows us to find solutions for units that might otherwise be deemed beyond economical repair.
Intermittent faults and elusive avionics “squawks” require a combination of deep experience and advanced technology to solve permanently. Our team brings over 20 years of hands-on troubleshooting experience to every job, allowing us to understand the complex interactions between aircraft systems. We pair this human expertise with precision test equipment to accurately diagnose the root cause of any issue. This thorough diagnostic process ensures we aren’t just fixing a symptom, but providing a lasting repair that prevents future failures.
Our broad ratings for Instruments, Radio, and Accessories allow us to service a vast range of equipment from virtually every era of aviation. We are fully equipped to perform complex installations of modern glass cockpits, while also possessing the unique capability to support legacy aircraft through our development of DER repair specs for older and outdated avionics. From the newest flight decks to the most obscure analog instruments, our station is equipped to be your single-source solution, capable of repairing virtually anything installed in your aircraft.
Our Repair & Overhaul Process
Our repair process is meticulous and transparent, designed to ensure quality and keep you informed.
Evaluation & Quote:
Upon receiving your unit, our technicians perform a comprehensive evaluation to diagnose the fault. We then provide you with a detailed and accurate quote for the required service.
Repair & Component Replacement
Once approved, the repair or overhaul is performed by our expert technicians using certified methods and materials in our state-of-the-art lab.
Testing & Calibration
Following the repair, your component undergoes rigorous testing and calibration using precision equipment to ensure it meets or exceeds all original manufacturer specifications.
Final Inspection & Certification
A thorough quality inspection is performed before the unit is certified for return to service with the appropriate airworthiness documentation, such as an FAA Form 8130-3.
