Instrument System Test. Elliott Helicopter Air Data System.
Final technical rept.,
E-A INDUSTRIAL CORP CHAMBLEE GA
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During 1973-1974, evaluation of a helicopter lift margin system was conducted on a NUH-1M helicopter. In order to provide air data references to the pilot and for assessment of the effects of airspeed and vertical speed variations on System accuracies an air data subsystem was supplied, consisting of a two- axis helicopter airspeed sensing equipment. Findings are reported and discussed.