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(WARNING)
RED MESSAGE (CAUTION)
AMBER MESSAGE (ADVISORY)
CYAN MESSAGE (STATUS)
WHITE MESSAGE Require immediate crew attention. These messages are accompanied by flashing master warning, triple chime attenson with or without voice message or dedicated tone. Require immediate crew awareness and future crew action may be required in the form of alternate system selection or performance limitation. These message are accompanied by flashing master caution and a single chime. Indicate safe or normal system operation which require crew awareness, over and above the dark cockpit philosophy. Indicate minor failures or reduction in systems capability, which require no crew action.

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07/01/21

Message Overview:

Message Name:

GPWS WARNING OCCURRED WHEN NOT IN ALERT CONDITION

Message Code: 344OBS007
Effectivity: All
System: Enhanced Ground Proximity Warning-System (EGPWS)
System Description: 34-42-00
Schematic Diagram: 34-42-00 [ Global Express ]  [ G5000 ]  [ GlobalXRS ]
Wiring Diagram: 34-42-01 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Message Description:

The Aural and/or visual warnings for the Ground Proximity Warning-System (GPWS) come on when the aircraft was not in an alert condition.

Possible Causes:

  • Enhanced Ground-Proximity Warning System (EGPWS) (A64)

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter:

NOTE 1: Consult the EGPWS - Troubleshooting Guide before replacing the EGPWS

NOTE 2: Consult EGPWS - NFF reduction before performing the troubleshooting

Quick Links:

Removal of the Enhanced Ground-Proximity
Warning System (EGPWS) Computer		 AMM 34-42-01-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Enhanced Ground-Proximity
Warning System (EGPWS) Computer		 AMM 34-42-01-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Troubleshooting Recommendations:

  1. Replace EGPWS computer.
  2. Do close out.

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