FAA Approved Airplane Flight Manual Supplement

Hawker Beechcraft B300 and B300C King Air 190-00716-03 Rev. 3
Page 44 of 139 FAA APPROVED
ELECTRIC PITCH TRIM INOPERATIVE
NOTE
This condition may be accompanied by a red or annunciation on the PFDs.
1. Move both halves of pilot and copilot pitch trim switches to check for stuck switch.
2. AFCS SERVOS Circuit Breaker ............................................................................ PULL and RESET
(Right circuit breaker panel)
The autopilot will enter Pre-Flight Test (PFT) mode when the AFCS SERVOS circuit breaker is reset.
If the autopilot successfully completes the Pre-Flight Test, re-engage the autopilot, reselect the
desired autopilot modes, and continue to use normally. If the Pre-Flight Test fails, indicated by a red
on the PFDs, the autopilot, yaw damper, and electric pitch trim will be inoperative for the
remainder of the flight.
If Operative:
3. Use as required.
If still inoperative:
3. Pitch Trim .......................................................................... MANUALLY TRIM AIRPLANE IN PITCH
(Using Elevator Tab Wheel)
NOTE
The autopilot, yaw damper and rudder boost may also be inoperative. Many King Air
B300/B300C aircraft require the yaw damper to be operative above 5,000 feet MSL, and rudder
boost continuously. Refer to the Limitations section of the Aircraft Flight Manual, or appropriate
Airplane Flight Manual Supplement for further information.
In RVSM Airspace and Autopilot Inoperative:
4. Altitude ....................................... MONITOR AND MAINTAIN ASSIGNED ALTITUDE MANUALLY
Record each altimeter reading for contingency procedure use
NOTE
The standby altimeter must be corrected for position error using the Altimeter Correction –
Standby System chart in the Performance section of this supplement.
5. Advise ATC of loss of the autopilot system. Perform appropriate RVSM contingency procedures
outlined in the operator’s RVSM manual for the loss of automatic altitude hold capability.