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Updates & Downloads

G3X™ for Experimental Aircraft

Unit Software

  • GDU 37x Cockpit Display (Microsoft Windows Installer), Ver. 12.40, as of Jan 11, 2023, Download
  • GDU 37x Cockpit Display (Other Operating Systems), Ver. 12.40, as of Jan 11, 2023, Download
  • GDU 4xx Cockpit Display (Microsoft Windows Installer), Ver. 9.14, as of Dec 19, 2022, Download
  • GDU 4xx Cockpit Display (Other Operating Systems), Ver. 9.14, as of Dec 19, 2022, Download

Additional Software

  • AUDIO: GMA 35 - Boot Block Software Loader 006-B2446-01 - Service Bulletin 1657, Ver. 4.20A, as of Sep 25, 2016, Download
  • AUDIO: GMA 35 - SERVICE BULLETIN 1657 - Service Bulletin Document, Ver. 4.20A, as of Sep 25, 2016, Download
  • NAVIGATOR: GPS175/GNC355/GNX375 - SERVICE BULLETIN 22115 -Service Bulletin Document, Ver. 3.20, as of Mar 13, 2023, Download
  • NAVIGATOR: GPS175/GNC355/GNX375 - Software Loader 006-B3353-0B - Service Bulletin 22115, Ver. 3.20, as of Mar 13, 2023, Download
  • NAVIGATOR: GTN 6XX Xi/7XX Xi - SERVICE BULLETIN 22111, Rev C - Service Bulletin Document, Ver. 20.30, as of Mar 01, 2023, Download
  • NAVIGATOR: GTN 6XX Xi/7XX Xi - Software Loader 006-B3191-0F - Service Bulletin 22111, Ver. 20.30, as of Jan 31, 2023, Download
  • NAVIGATOR: GTN 6XX/7XX - SERVICE BULLETIN 2143 - Service Bulletin Document, Ver. 6.72, as of Jun 25, 2021, Download
  • NAVIGATOR: GTN 6XX/7XX - Software Loader 006-B1367-3K - Service Bulletin 2143, Ver. 6.72, as of Jun 25, 2021, Download
  • SOFTWARE TOOL: Checklist Editor, Ver. 2.30, as of Dec 16, 2010, Download
  • SOFTWARE TOOL: Garmin Flight Log Conversion for Aviation, Ver. 2.00, as of Aug 04, 2010, Download
  • SOFTWARE TOOL: GMU44 Location Survey Tool Software Installation Package, Ver. 2.03, as of Oct 17, 2017, Download
  • TRANSPONDER (PC tool): GTX 3X5, Ver. 2.80, as of Oct 04, 2022, Download