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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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03/30/21

Message Overview:

ADS-B OFF
(Advisory)

DDG Reference: 34-54-02
Pilot Action (QRH): ADVISORY 13-2
System Description: 34-54-00
Schematic Diagram: 34-54-00 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wiring Diagram: 34-54-01 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Message Description:

Transponder is in STANDBY mode.

Possible Causes:

  • Air Traffic Controller (ATC) Transponder in VHF COM Unit 1 (A1)
  • Air Traffic Controller (ATC) Transponder in VHF COM Unit 2 (A2)

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

Quick Links:

Access to Active Faults AMM 45-45-00-970-802 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Removal of the VHF Communication Unit AMM 23-11-01-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the VHF Communication Unit AMM 23-11-01-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Troubleshooting Recommendations:

  1. On the Radio Management Unit (RMU), make sure the transponders are not in STBY mode.
  2. Check CAIMS Active faults. If there are any faults related to VHF COM Unit 1 or VHF COM Unit 2, troubleshoot them first.
  3. Swap the VHF COM Unit 1 and 2 to confirm the fault and replace the faulty unit.
  4. Do close out.

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