B PERFORMING OPERATIONS; TRANSPORTING
B64 AIRCRAFT; AVIATION; COSMONAUTICS
B64C AEROPLANES; HELICOPTERS
13/00 Control systems or transmitting systems for actuating flying-control surfaces, lift-increasing flaps, air brakes, or spoilers
B64C13/02 Initiating means
B64C13/16 actuated automatically, e.g. responsive to gust detectors
B64C13/20 using radiated signals