AIRPLANE
OPERATIONS
MANUAL
ABNORMAL
PROCEDURES
REVISION 38
1-03-70
Page
5
Code
03
AOM-145/1114
UNRELIABLE AIRSPEED
CONDITION: Airspeed indications are erroneous or unreliable.
Autopilot/Yaw Damper .................................................. DISENGAGE
Both Flight Directors ..................................................... OFF
If speed indication on both PFD is below 135 kt:
Rudder Shutoff Sys 1 .............................................. PUSH OUT
Avoid using the speed brake.
Altitude/Thrust............................................................... ADJUST
Maintain airplane control. Refer to Unreliable Airspeed tables.
Altitude and/or Vertical Speed indications may also be unreliable.
Ground Speed indication is available in the FMS for reference.
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