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Aviation Alerts and Advisories

GTX 3000 Software Version 3.31

PRODUCTS AFFECTED:

This bulletin is applicable to GTX 3000 units with software version 3.30 or previous software versions installed with a Honeywell TPA-81A or TPU-67A TCAS II unit and not installed in a Garmin Integrated Flight Deck system (G5000, G3000, G2000, G1000, G1000H, G950, G900X, Cirrus Perspective™, and Embraer Prodigy® Integrated Flight Deck Systems). The GTX 3000 current software version can be retrieved using the GTX install tool.

CERTIFICATION AUTHORIZATION:

TSO Authorization

COMPLIANCE:

Optional: This Service Bulletin may be incorporated at the owner’s discretion and is not warranty reimbursable.

PURPOSE:

This Service Bulletin incorporates new unit software version 3.31 for GTX 3000 units. Software version 3.31 incorporates the following functionality:

  • Added compatibility with the Honeywell TPA-81A TCAS II unit when used with the GTX 3000 ARINC 735 TCAS Format 2 interface
  • Resolved an ARINC 735 interface startup issue that could occur when installed with a Honeywell TPU-67A TCAS II unit configured for the BCAS traffic display output
  • Updated the software to startup as the primary/secondary transponder based on the setting from the previous power cycle

ASDN 1819