Updates & Downloads

NAVIGATOR: GTN 6XX/7XX - SERVICE BULLETIN 23066 - Service Bulletin Document software version 6.73

as of July 25, 2023

Download (299 KB)

View installation instructions

Notes:

• This is the service bulletin document only
• G3X Touch (GDU 4XX)
  The G3X Touch requires V6.20 or later software to display and support autopilot coupling for VNAV guidance provided by the GTN Navigator.
• G3X Touch (GDU 4XX)
  The G3X Touch requires V8.80 or later software to support transfer of Fuel Flow information from the GDU to the GTN Navigator.
• G3X (GDU 37X)
  The G3X requires V11.80 or later software to display the VNAV guidance provided by the GTN Navigator.

Installation Instructions

1. The application requires Windows 2000, XP, Vista, Windows 7, or Windows 10. Mac computers are not supported.
2. Download GTN 6XX/7XX System Software Version 1367.3L (006-B1367-3L).
3. Make sure an SD card reader is connected to the PC.
4. Put the GTN Downloadable Software SD Card (010-01000-00) in the card reader.
5. Run the executable file that was downloaded in Step 2.
6. Follow the onscreen prompts to create a software loader card.
7. Select Finish to complete the process.
8. Eject the card from the card reader. The software loader card is now ready to use.