Updates & Downloads

G3X™ for Experimental Aircraft

Unit Software

• GDU 37x Cockpit Display (Microsoft Windows Installer), Ver. 12.10, as of Sep 15, 2020, Download
• GDU 37x Cockpit Display (Other Operating Systems), Ver. 12.10, as of Sep 15, 2020, Download
• GDU 4xx Cockpit Display (Microsoft Windows Installer), Ver. 8.72, as of Sep 08, 2020, Download
• GDU 4xx Cockpit Display (Other Operating Systems), Ver. 8.72, as of Sep 08, 2020, Download

Additional Software

• GMA 35 - Boot Block Software Loader Image 006-B2446-01 - Service Bulletin 1657, Ver. 4.20A, as of Sep 25, 2016, Download
• GMA 35 - SERVICE BULLETIN 1657 - Service Bulletin Document, Ver. 4.20A, as of Sep 25, 2016, Download
• GPS175/GNC355/GNX375 - SERVICE BULLETIN 2048 - Service Bulletin Document, Rev B,, Ver. 3.10, as of Apr 24, 2020, Download
• GPS175/GNC355/GNX375 - Software Loader Image 006-B3353-07 - Service Bulletin 2048, Ver. 3.10, as of Mar 20, 2020, Download
• GTN 6XX Xi/7XX Xi - SERVICE BULLETIN 2122 - Service Bulletin Document, Ver. 20.12, as of Mar 04, 2021, Download
• GTN 6XX Xi/7XX Xi - Software Loader Image 006-B3191-07 - Service Bulletin 2122, Ver. 20.12, as of Mar 04, 2021, Download
• GTN 6XX/7XX - SERVICE BULLETIN 20136 - Service Bulletin Document, Ver. 6.71, as of Jan 21, 2021, Download
• GTN 6XX/7XX - Software Loader Image 006-B1367-3J - Service Bulletin 20136, Ver. 6.71, as of Jan 21, 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