Airman Information
William Treshler is an FAA-certified flight instructor and ground instructor based in Gustine, CA. William Joseph Treshler holds a Certified Flight Instructor (CFI) certificate with Airplane Single-Engine, Rotorcraft Helicopter, and Instrument Helicopter 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 Ground Instructor certificate. This certificate authorizes the holder to provide ground training for pilot certification and endorsements. The FAA airman records for William Treshler are tracked and verified by AviatorDB.
Location
Medical Certificate
Flight Instructor
- Airplane Single Engine
- Rotorcraft-Helicopter
- Instrument Helicopter
Ground Instructor
- Advanced
Data Source
Data provided by the FAA Airmen Certification Database. AviatorDB provides a searchable interface to FAA airman certification records, making public data accessible and easy to explore.