Attack Helicopter Evaluation AH-56A Cheyenne Compound Helicopter

The US Army Aviation Systems Test Activity USAASTA conducted an Attack Helicopter Evaluation of the AH-56A Cheyenne Compound Helicopter during the period 15 April to 15 June 1972. The AH-56A was tested at Yuma Proving Ground, Arizona and Mammoth Lakes, California. This evaluation was conducted to provide data for use in determining Advanced Aerial Fire Support System effectiveness model inputs, validating material need requirements, and validating contractor claims. The forward area concealment evaluation was conducted by the US Army Combat Developments Command Aviation Agency and the maintenance characteristics evaluation was conducted by the US Army Aviation Systems Command. The performance and handling qualities testing consisted of 49 test flights totaling 42.2 flight hours. The pusher propeller was a major contributor to several enhancing performance and handling qualities characteristics.