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Updates & Downloads

G3X™ for Experimental Aircraft

Unit Software

  • GDU 37x Cockpit Display (Microsoft Windows Installer), Ver. 12.50, as of Apr 05, 2023, Download
  • GDU 37x Cockpit Display (Other Operating Systems), Ver. 12.50, as of Apr 05, 2023, Download
  • GDU 4xx Cockpit Display (MS Windows Installer), Ver. 9.33, as of Feb 12, 2024, Download
  • GDU 4xx Cockpit Display (Other Operating System), Ver. 9.33, as of Feb 12, 2024, 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
  • GPS175/GNC355/GNX375 - Service Bulletin 23110, Rev A Document, Ver. 3.22, as of Oct 31, 2023, Download
  • GPS175/GNX375/GNC355 - Software Loader 006-B3353-0D, Ver. 3.22, as of Oct 31, 2023, Download
  • NAVIGATOR: GPS175/GNC355/GNX375 - Service Bulletin 23110 Rev. A Document, Ver. 3.22, as of Oct 31, 2023, Download
  • NAVIGATOR: GPS175/GNC355/GNX375 - Software Loader 006-B3353-0D - Service Bulletin 23110, Ver. 3.22, as of Oct 31, 2023, Download
  • NAVIGATOR: GTN 6XX/7XX - SERVICE BULLETIN 23066 - Service Bulletin Document, Ver. 6.73, as of Jul 25, 2023, Download
  • NAVIGATOR: GTN 6XX/7XX - Software Loader 006-B1367-3L - Service Bulletin 23066, Ver. 6.73, as of Jul 25, 2023, Download
  • NAVIGATOR: GTN Xi Series - Service Bulletin 24021, Rev A, Ver. 20.41, as of Apr 22, 2024, Download
  • NAVIGATOR: GTN Xi Series - Software Loader 006-B3191-0M, Ver. 20.41, as of Apr 22, 2024, 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: GTX 3X5/X5R (w/PC tool), SB 24005A, Ver. 2.85, as of Jan 11, 2024, Download