The Lockheed AH-56 Cheyenne is an attack helicopter developed by Lockheed for the United States Army. It rose from the Army's Advanced Aerial Fire Support System program to field the service's first d
AH-56 Cheyenne during testing
Prototype #7 on display at the U.S. Army Aviation Museum, Ft. Rucker, Alabama
View of AH-56 nose and canopy
Three-quarter view of AH-56 Cheyenne.
A helicopter is a type of rotorcraft in which lift and thrust are supplied by horizontally spinning rotors. This allows the helicopter to take off and land vertically, to hover, and to fly forward, ba
Lockheed AH-56 Cheyenne
…the service's first dedicated attack helicopter. Lockheed designed the Cheyenne using a four-blade rigid-rotor system and configured the aircraft as a compound helicopter with low-mounted wings and a tail-mounted thrusting propeller driven by a General Electric T64 turboshaft engine. The Cheyenne was to have a high-speed…
VH-SUF, a McDermott Aviation Bell 214 taking off after refuelling.
Cabin view looking out from a helicopter in flight
Bell 412CF looking forward from the tail, showing its twin turbine engine exhausts
1956 Hiller YROE-1 one-man "Rotorcycle" being tested at NASA Ames Research Center