John Ro Yoon - Airline Transport Pilot, Mechanic, Mechanic, Flight Engineer, Flight Engineer, Ground Instructor, Ground Instructor

John Yoon is an FAA-certified pilot, aircraft mechanic, flight engineer, and ground instructor based in Saipan, MP. John Ro Yoon holds a Airline Transport Pilot certificate with Airplane Single-Engine Land (ASEL), Airplane Multi-Engine Land (AMEL), and Airplane Single-Engine Sea (ASES) ratings. This certificate includes type ratings for the Airbus A320 (A-320), B-727, Beechcraft Beechjet 400/Hawker 400 (BE-400), Cessna Citation 500 Series (CE-500), CE-525S, McDonnell Douglas DC-9/MD-80 (DC-9), EMB-120, EMB-505, Mitsubishi MU-300 Diamond/Beechjet (MU-300), and SA-227, authorizing the holder to serve as pilot in command of these aircraft types. The Airline Transport Pilot certificate is the highest level of pilot certification issued by the FAA, authorizing the holder to act as pilot in command of scheduled airline operations and any aircraft for which they hold a type rating. ATP certification requires a minimum of 1,500 hours of total flight time and passing rigorous written and practical examinations. John holds an Airframe and Powerplant (A&P) mechanic certificate. An A&P certificate is the most comprehensive FAA mechanic certification, authorizing the holder to inspect, maintain, and repair both aircraft structures (fuselage, wings, control surfaces, landing gear) and engines (reciprocating, turbine, and turboprop powerplants). A&P mechanics are qualified to perform the broadest range of aircraft maintenance, including annual inspections when combined with an Inspection Authorization (IA). John holds a Flight Engineer certificate with Turbojet rating. This certificate authorizes the holder to serve as a flight engineer on aircraft that require a flight engineer as part of the flight crew. John holds a Ground Instructor certificate. This certificate authorizes the holder to provide ground training for pilot certification and endorsements. John Yoon also holds an FAA Inspection Authorization (IA), the highest level of maintenance certification issued by the FAA. An IA authorizes the holder to perform annual inspections on aircraft, approve aircraft for return to service after major repairs or alterations, and supervise progressive inspection programs. Inspection Authorization holders must meet stringent experience requirements and pass annual refresher training to maintain their authorization. Their most recent FAA medical certificate is a First Class medical, valid through September 2025. The FAA airman records for John Yoon are tracked and verified by AviatorDB.