Stabilized Terrain Optical Position Sensor (STOPS) Flight Test Report
ARMY AVIATION RESEARCH AND DEVELOPMENT COMMAND ST LOUIS MO
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This report presents the flight test results and evaluation of a brassboard model self-contained hover position sensor and obstacle clearing device. The brassboard model of the self-contained, absolute, position sensor referred as Stabilized Terrain Optical Postion Sensor STOPS was successfully installed and flown on the Avionics Research and Development Activitys Experimental Vehicle for Avionics Research EVAR project helicopter. The results derived from the test indicate that position radial accuracies of better than 5 feet can be expected at constant 60 feet AGL altitude. For mission maneuvers such as the bob-up and remask, designed for the AAH, position radial errors are in the order of 10 to 20 feet.