§3.667 Automatic pilot system.

If an automatic pilot system is installed: n pilot(s) to prevent it from interferring with his dicate readily to the pilot the alignment of the ight ot interfere with the proper [(a) The system shall be designed so that the automatic pilot can either: (1) Be quickly and positively disengaged by the human pilot(s) to prevent it from interferring with his control of the airplane, or (2) Be sufficiently overpowered by one human pilot to enable him to control the airplane.] (b) A satisfactory means shall be provided to indicate readily to the pilot the alignment of the actuating device in relation to the control system which it operates, except when automatic synchronization is provided. (c) The manually operated control(s) for the system’s operation shall be readily accessible to the pilot. [(d) The automatic pilot system shall be designed so that, within the range of adjustment available to the human pilot, it cannot produce hazardous loads on the airplane or create hazardous deviations in the flight path under any conditions of flight appropriate to its use either during normal operation or in the event of malfunctioning, assuming that corrective action is initiated within a reasonable period of time.]