Specialized Aircraft Accessory Repair
& Refurbishment Services
State-of-the-art facilities, thorough inspection and assembly, and rigorous quality systems ensure every component meets the highest standards.




Specialized Aircraft Accessory Repair
& Refurbishment Services
State-of-the-art facilities, thorough inspection and assembly, and rigorous quality systems ensure every component meets the highest standards.





Complete Accessory Solutions
Four Star Accessory Overhaul provides full-scope accessory maintenance across eight critical aircraft systems for commercial, military, and business aviation operators worldwide. As a Class I, II, and III (Unlimited) repair station, we deliver certified repair and testing across all ATA chapters, supported by in-house NDT, calibrated testing, and traceable documentation that meet FAA, CAA, and EASA standards - with Lockheed Martin authorization for advanced accessory repair.
Full-Scope Accessory Maintenance
Four Star delivers aircraft accessory maintenance that keeps your operation running. You get inspection, assembly, and test cell validation in one facility. This setup gives you clear accountability and steady quality. You reduce vendors. You speed up repair cycles. You gain a reliable MRO partner for your accessory needs.
Our team is ready to help you with your aircraft accessory repair and refurbishment needs. Get in touch with us today to get a quote.
Testing and Calibration
Four Star provides advanced testing and calibration services built for aircraft accessories. Our test cells mirror real operating conditions for pressure, flow, temperature and electrical load. We verify that each component performs as required. Our calibration process follows reference standards tied to national labs. Every instrument meets the specifications you need for safe and consistent operation.
Inspection Services
Four Star deploys non-destructive testing (NDT) techniques including magnetic particle, fluorescent penetrant, and visual inspection techniques to detect subsurface defects before they cause in-service failures.
Platform Support
All services are performed under FAA and EASA certifications, ensuring consistent processes and full traceability. We support platforms across Boeing, Airbus, Lockheed Martin, and Bombardier. From modern fleets to legacy aircraft, delivering the technical depth and flexibility operators depend on worldwide.
Common Questions
Repair And Refurbishment
Services We Offer
Connect With Us For Certified
Fleet Accessory Overhaul
Ensure availability with certified overhauls performed on calibrated stands and documented to specification. Share your part numbers and aircraft types, and our team will follow up within 24 hours.

