William Jackson Keldahl - Mechanic, Ground Instructor

William Keldahl is an FAA-certified aircraft mechanic and ground instructor based in Copperhill, TN. William Jackson Keldahl 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). William holds a Ground Instructor certificate. This certificate authorizes the holder to provide ground training for pilot certification and endorsements. William Keldahl 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. The FAA airman records for William Keldahl are tracked and verified by AviatorDB.