Report of the Engineering Flight Test -- Stability and Control Phase -- of the OH-4A Helicopter, Unarmed (Clean) and Armed with the XM-7 or XM-8 Weapon Subsystem. Part 1
ARMY AVIATION SYSTEMS TEST ACTIVITY EDWARDS AFB CA
Stability and control flight tests were conducted on the OH-4A helicopter to determine the stability and control characteristics throughout the flight envelope for the unarmed clean and armed configurations. Ninety-three test flights were conducted for 7530 hours productive test time. All test data were hand recorded from sensitive instruments or recorded on an oscillograph. The quantitative test results and qualitative pilots comments indicate that the OH-4A complied with most of the stability and control requirements of MIL-H-8501A.