V/STOLAND Avionics System Flight-test Data on a UH-1H HelicopterNational Aeronautics and Space Administration, Scientific and Technical Information Office, 1980 - Avionics - 61 pages |
Common terms and phrases
60 knots acceptance tests actuator commands altitude rate command altitude select Ames Research Center AUTO mode automatic AVRADCOM basic computer Coll collective pitch control laws control stick steering control system CSS mode cyclic stick data adapter deg/deg deg/deg/sec deg/sec deg/sec/deg digital avionics system disconnect links failure feed forward filtered flight director Flight Systems Division flight-control flight-test data flightpath angle fly-by-wire glide slope guidance system HDOT HDOTCF helix approach hold mode hover interfaces KFPH knots 50 letdown m/sec ft/sec microwave landing system mode select panel model-following MODILS Moffett Field NASA navigation parallel actuator PHI PHIC pilot pitch and roll pitch attitude command pitch rate radial reference flightpath roll attitude rotor sec Figure segment select/hold sensor series actuators shown in figure simulator Sperry Flight Systems Sperry Rand Corporation step responses straight-in approach Straight-in landing performance system performance TACAN THETA THTC touchdown point true airspeed V/STOLAND system VT VCF X-Y plot