- Motorized aircraft (4)
- Airplanes, fixed or rotary wing (35)
- Helicopters (33)
- Nonmotorized and lighter-than-air aircraft (3)
- Airships (4)
- Balloons, hot air (aircraft) (5)
- Blimps (1)
- Gliders (aircraft) (3)
- Hang gliders (14)
- Research and development on aircraft by the manufacturer (33)
