(under subclass 963) Subject matter having an alarm responsive to the velocity of the aircraft relative to air.
SEE OR SEARCH CLASS
364, Electrical Computers and Data Processing Systems,
528.39, for speed responsive control system.
701, Data Processing: Vehicles, Navigation, and Relative Location,
121, for speed control of aircraft.
702, Data Processing: Measuring, Calibrating, or Testing,
96, for calibration of a speed measurement system, subclasses 142+ for data processing in a generic speed measurement system, particularly subclass 144 for air speed.