Engineer Bart J. Crotty is an airworthiness/maintenance/flight operations/safety & security expert with 45 years of civil aviation experience. He is an aeronautical engineer, former FAA airworthiness inspector/trainer and Designated Airworthiness Representative (DAR) and an ICAO Technical Assistance field expert and project manager. Mr. Crotty has extensive technical assistance project experience and worked for repair stations, airlines, aircraft manufacturers, safety organizations and several foreign civil aviation authorities. He is an international recognized human factors and accident/incident expert. His career spans 45 years, about half of that period overseas. He holds FAA airmen certificates and a BS degree in aeronautical engineering.