### Aircraft Types

1. General Aviation (piston-driven engines)

1. Single-Engine Aircraft
   1. Tail wheel
   2. Tricycle
2. Dual-Engine Aircraft

1. Wing-mounted engine
2. Push-pull fuselage-mounted engines

3. Commercial Aviation (jet engine)
   1. Dual-Engine
      1. Wing-mounted engine
      2. Fuselage-mounted engine
   2. Tri-Engine
      1. Third engine in vertical stabilizer
      2. Third engine in fuselage