ABNORMAL
PROCEDURES
AIRPLANE
OPERATIONS
MANUAL
1-03-59
Page
8
Code
03
REVISION 40
AOM-145/1114
GPS FAILED
In case of GPS fail (GPS FAILED Scratchpad Message for single GPS
or GPS 1 FAILED and GPS 2 FAILED Scratchpad Messages for dual
GPS) associated with FMS Navigation Performance Degraded:
FMS NAVIGATION PERFORMANCE DEGRADED /
FMS IN DEAD RECKONING MODE
Abnormal Procedure ........................................Accomplish
In case of GPS fail (GPS FAILED Scratchpad Message for single GPS
or GPS 1 FAILED and GPS 2 FAILED Scratchpad Messages for dual
GPS) and EGPWS is installed:
EGPWS TERRAIN SYS OVRD Button.................... PRESS
The Terrain Awareness Alerting and Display functions on MFD will
be inhibited. This will not affect the basic GPWS functions (modes
1 to 7).
IC AIR/GROUND CONDITION SIGNAL INOPERATIVE
EICAS CAUTION: IC 1 (2) WOW INOP
LIGHT: Master Caution
Do not take off.
IC CONFIGURATION FAILURE
EICAS ADVISORY: IC 1 (2) CONFIG FAIL
Crew awareness.
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