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(2025) Service Bulletin 25003 Rev A: GTR™ 205 COM Transceiver/GNC® 215 VHF NAV/COM Radio Main Software Version 2.22

PRODUCTS AFFECTED:

GTR 205 and GNC 215 products listed below are affected.

Table 1. Product Affected

ModelAppliance P/N
GTR 205011-05287-00
GNC 215011-05289-00



CERTIFICATION AUTHORIZATION:

TSO Authorization


COMPLIANCE:

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


DOCUMENTATION CONSIDERATIONS:

The GTR 205/GNC 215 Pilot’s Guide (Garmin P/N 190-02766-02) Rev B has been released to reflect changes in Software Version 2.22 and is to be provided to the owner/operator.


PURPOSE:

GTR 205/GNC 215 Main Software Version 2.22 adds the following:

  • 2-place intercom system (GTR and GNC)
  • 3D audio (GTR 205 only)
  • Bluetooth media and calling (GTR 205 only)
  • Improved interface to G3X Touch for radio and audio controls (GTR 205 only)
  • Auxiliary audio inputs for other radios, alerts, music, etc (GTR 205 only)
  • Allow frequency information to come from an external LRU instead of a database in the GTR/GNC


WARRANTY INFORMATION:

This modification is not warranty reimbursable.

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