William Robert Stemmler - Commercial Pilot, Flight Instructor, Ground Instructor, Master Parachute Rigger

William Stemmler is an FAA-certified pilot, flight instructor, remote pilot, and ground instructor based in Yuma, AZ. William Robert Stemmler holds a Commercial Pilot certificate with Glider rating. A Commercial Pilot certificate authorizes the holder to fly aircraft for compensation or hire, including charter flights, aerial photography, banner towing, cargo operations, and other commercial aviation activities. Commercial certification requires a minimum of 250 hours of flight time. William holds a Certified Flight Instructor (CFI) certificate with Airplane Single and Multi-Engine, Instrument Airplane, Rotorcraft Helicopter, and Glider 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. William holds a Remote Pilot certificate with Weight and Balance, Chest Parachute Rigger, and Seat Parachute Rigger ratings. A Remote Pilot certificate under 14 CFR Part 107 authorizes the holder to operate small unmanned aircraft systems (drones) weighing less than 55 pounds for commercial purposes, including aerial photography, surveying, inspections, and other professional applications. William holds a Ground Instructor certificate. This certificate authorizes the holder to provide ground training for pilot certification and endorsements. The FAA airman records for William Stemmler are tracked and verified by AviatorDB.