MD-11 Flight Crew Operations Manual
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Warning and Alerting Chapter Warn
Alerts Section 40
Warn.40.1
Warn.40 Warning and Alerting-Alerts
NOTE: The associated cue switch is shown in parenthesis (XXX)
following the alert.
Amber Alerts (Level 1)
GPWS FAIL (MISC) - GPWS has failed. This alert normally appears during
the GPWS test or if the DITCHING switch is selected. It also indicates
the ground proximity and terrain awareness functions have failed.
GPWS FAULT (MISC) - One or more of the GPWS modes (except terrain)
is inoperative.
TERRAIN FAIL (MISC) - Terrain awareness function has failed, ground
proximity is still operative.
TERRAIN NOT AVAILABLE (MISC) - Terrain awareness function is
disabled automatically due to an inadequate navigation sensor position.
Cyan Alerts (Level 0)
GPWS FLAP OVRD - GPWS switch is in FLAP OVRD position. This will
prevent ground proximity warnings when flaps are less than landing flap
on approach.
TERRAIN OVRD - Terrain awareness override is selected by the pilot.
October 02, 2006
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