FAA Approved Airplane Flight Manual Supplement

190-00716-03 Rev. 3 Hawker Beechcraft B300 and B300C King Air
Page 117 of 139
The following conditions will cause the autopilot to disconnect:
• Electrical power failure, including pulling the AFCS SERVOS circuit breaker
• Electrical power failure to the GMC 710 Autopilot Mode Controller, including pulling the MODE CTL
circuit breaker
• Internal autopilot system failure
• Malfunction of either AHRS (two fully functional AHRS are required for the autopilot to function)
• Failure of the on-side PFD
• Depressing the red A/P Y/D DISC/TRIM INTRPT button on the pilot’s or copilot’s (if installed)
control wheel
• Actuating the left section of the manual electric trim split switch, pilot’s and copilot’s control wheel
• Pushing the AP button on the autopilot mode controller when the autopilot is engaged
• Pushing the GO AROUND button on the left power lever (non-ESP equipped airplanes)
NOTE
Pressing and holding the CWS (control wheel steering) switch on the left grip of the pilot’s control
wheel will disconnect the autopilot servos from the airplane flight controls as long as the CWS
switch is depressed. Upon release of the CWS switch, the system will synchronize to the existing
pitch and roll modes selected. Review the Cockpit Reference Guide for more information.