Patent ID: 9650125
Date: 2017-05-16
CPC Classifications: B64C,B64D,G01C,G05G

Claim:
1. An autopilot system for controlling the flight of a helicopter having a control stick that is operable by the pilot to manually control the flight of the helicopter, said autopilot system comprising: an input arrangement located on the control stick including a left switch, a right switch, a fore switch and an aft switch; an actuator arrangement for receiving a set of control signals to control the flight of the helicopter in a current flight mode of the autopilot; and a processing section for monitoring the flight of the helicopter to generate the set of control signals responsive to the monitoring and to respond to a pilot actuation of one of said switches by changing a flight parameter of the helicopter relating to the current flight mode; wherein the flight parameter is track angle and the processing section responds to the pilot actuation of either the left switch or the right switch by initiating a change in a track angle of the helicopter.