U S Department of Transportation

Aviation Maintenance Technician Handbook - Powerplant FAA-H-8083-32B

Instrument Flying Handbook FAA-H-8083-15B

Airman Knowledge Testing Supplement for Sport Pilot, Recreational Pilot, Remote Pilot, and Private Pilot FAA-CT-8080-2H

Pilot's Handbook of Aeronautical Knowledge FAA-H-8083-25B

Programs for Training of Aircraft Rescue and Firefighting Personnel

Sport Pilot Rating Knowledge Test Guide