Quality Aviation Instruments, Inc. (QAI) is a FAA and EASA certified repair station with class 1, 2, 3, and 4 Instrument, Limited Avionics, and Accessories ratings. QAI's world class service centers specialize in the repair, overhaul, and exchange of Helicopter and Aircraft Instruments, Avionics, Accessories, and Starter Generators. We are CASE and Airline audited. We are a Bell Helicopter Certified Vendor and American Eurocopter-approved repair facility. Conveniently located near Pittsburgh International Airport. 24-hour, 7 day-a-week AOG capabilities. Shipping available counter-to-counter all over the world.