FAA Approved Airplane Flight Manual Supplement

190-00716-03 Rev. 1 Hawker Beechcraft B300 and B300C King Air
FAA APPROVED Page 35 of 141
AUTOPILOT FAILURE
(Red annunciator on PFD, Red ‘AP’ flashing on PFD, Continuous high-low aural tone)
1. AP/YD DISC / TRIM INTRPT Button ..................................................................................... PRESS
(to cancel disconnect tone)
If red ‘AFCS’ is displayed, the autopilot, yaw damper, and manual electric pitch trim will be
inoperative.
2. Advise ATC of loss of autopilot system.
NOTE
A loss of the autopilot may also cause yaw damper and rudder boost to 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.
3. 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.
4. Perform appropriate RVSM contingency procedures outlined in the operator’s RVSM manual for
the loss of automatic altitude hold capability.