David Lawrence Keeslar - Airline Transport Pilot, Flight Instructor, Mechanic

David Keeslar is an FAA-certified pilot, flight instructor, and aircraft mechanic based in Sturgis, MI. David Lawrence Keeslar holds a Airline Transport Pilot certificate with Airplane Multi-Engine Land (AMEL), Airplane Single-Engine Land (ASEL), Airplane Single-Engine Sea (ASES), and Sport Pilot ratings. This certificate includes type ratings for the CE-525S, Bombardier Challenger 300/350 (CL-30), and EMB-505, 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. David holds a Certified Flight Instructor (CFI) certificate with Airplane Single-Engine and Sport Pilot ratings. A Certified Flight Instructor certificate authorizes the holder to provide flight training to student and certificated pilots, including ground and flight instruction, solo endorsements, practical test endorsements, and biennial flight reviews. David 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). Their most recent FAA medical certificate is a First Class medical, valid through August 2026. The FAA airman records for David Keeslar are tracked and verified by AviatorDB.