A-4 Skyhawk / USNDouglas A 4 Skyhawk airplane model. The Douglas A 4 Skyhawk is a lightweight, single engine attack aircraft, with a design based on experience gained in the Korean War. The "Scooter" is probably one of the most famous attack aircraft ever designed. This short range attack and close support aircraft was originally intended for the US Navy and Marine forces. The design was a quick success, and Skyhawks continue to fly in air forces around the world.