An analysis of the effect of a flight director on pilot performance in a helicopter hovering task
Duffy, Timothy William
Hess, Ronald A.
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A fixed-base simulator evaluator of a flight director for maintaining longitudinal control of a helicopter in the hover mode of operation was made. Test subjects performed ninety-second precision hovering tasks utilizing two cockpit displays. The second display differed from the first only by the addition of the flight director indicator. The helicopter and each display were simulated on a hybrid computer. the hovering task consisted of minimizing root mean square longitudinal and vertical derivation from an initial equilibrium position. Root mean square performance data and numerical pilot opinion ratings were obtained. These data indicated significant improvement in performance when the flight director was being utilized.
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