Engineering Flight Test AH-1G Helicopter (HUEYCOBRA). Maneuvering Limitations
Final rept. 13 Mar-4 May 1970
ARMY AVIATION SYSTEMS TEST ACTIVITY EDWARDS AFB CA
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The AH-1G helicopter maneuvering limitations flight test program was conducted. The purpose of the test program was to study in detail the characteristics of maneuvering flight and to identify any limitations required to improve flight safety. The program included investigation of steady-state turns, three types of return-to-target maneuvers, and simulated operational maneuvers. Repeated instances of untorquing of the tail rotor retention nut were encountered during flight and constituted a safety-of-flight deficiency. Four shortcomings were noted.