- Motorized aircraft (1)
- Airplanes, fixed or rotary wing (21)
- Helicopters (20)
- Nonmotorized and lighter-than-air aircraft (1)
- Airships (2)
- Balloons, hot air (aircraft) (3)
- Blimps (1)
- Hang gliders (2)
- Research and development on aircraft by the manufacturer (14)
