Pilot's Guide

Garmin G1000 Pilot’s Guide for the Hawker Beechcraft C90A/GT/GTi
190-00663-02 Rev. B
432
AUTOMATIC FLIGHT CONTROL SYSTEM
ENGAGEMENT
NOTE: Autopilot engagement/disengagement is not equivalent to servo engagement/disengagement. Use
the CWS Button to disengage the pitch and roll servos while the autopilot remains active.
Whenthe AP Key is pressed, the autopilot, yaw damper, and flight director (if not already active) are activated
and the annunciator lights on the AFCS controller for the autopilot and yaw damper are illuminated. The flight
directorengagesinPitchandRollHoldModeswheninitiallyactivated.
Figure 7-36 Autopilot and Yaw Damper Engaged
Autopilot
Engaged
Yaw Damper
Engaged
WhentheYD Key is pressed, the system engages the yaw damper independently of the autopilot and the yaw
damper annunciator light is illuminated.
AutopilotandyawdamperstatusaredisplayedinthecenteroftheAFCSStatusBox.Engagementisindicated
bygreen‘AP’and‘YD’annunciations,respectively.
CONTROL WHEEL STEERING
Duringautopilotoperation,theaircraftmaybehand-ownwithoutdisengagingtheautopilot.Pressingand
holding the CWS Button disengages the pitch and roll servos from the flight control surfaces and allows the
aircraft to be hand-flown. At the same time, the flight director is synchronized to the aircraft attitude during
themaneuver.CWSactivityhasnoeffectonyawdamperengagement.
The‘AP’annunciationistemporarilyreplacedby‘CWS’inwhiteforthedurationofCWSmaneuvers.
Figure 7-37 CWS Annunciation
Control Wheel Steering
Inmostscenarios,releasingthe CWS Button reengages the autopilot with a new reference. Refer to flight
directormodedescriptionsforspecicCWSbehaviorineachmode.