Preliminary Airworthiness Evaluation ah-1S Helicopter Installed with Enhanced Cobra Armament System (ah-1S/ECAS)
Final rept. Jul-Aug 1978
ARMY AVIATION ENGINEERING FLIGHT ACTIVITY EDWARDS AFB CA
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The United States Army Aviation Engineering Flight Activity conducted a preliminary airworthiness evaluation of the Enhanced Cobra Armament System ECAS with the universal turret subsystem and M-197 20mm gun installed. The purpose of the test was to evaluate the effects of turret installation and weapons firing on the helicopter. Additionally, a limited stability and control evaluation of the helicopter gun stowed was conducted. Flight testing was performed at Yuma Proving Grounds, Arizona, and consisted of 27 flight test hours 15 productive.