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Aviation Alerts and Advisories

G3X Touch EFIS Software Version 8.60

PRODUCTS AFFECTED:

G3X Touch systems installed using Approved Model List (AML) Supplemental Type Certificate (STC) SA01899WI are affected.

CERTIFICATION AUTHORIZATION:

STC SA01899WI

COMPLIANCE:

Recommended: This service bulletin is recommended for certified G3X systems interfaced to a GFC 500 installed per Part 23 AML STC SA01866WI.

For all other installations this STC Service Bulletin is optional and may be incorporated at the owner’s discretion.

PURPOSE:

This STC Service Bulletin announces the approval of G3X Touch EFIS Software Version 8.60.  G3X Touch EFIS Software Version 8.60 changes can be found here:
https://www8.garmin.com/support/download_details.jsp?id=14567

For G3X systems installed with a G5 and/or GFC 500, G3X Touch EFIS Software Version 8.60 includes:

  • G5 Software version 6.40 enables display of density altitude (DALT) for certified installations and includes updated GMC 507 and GSA 28 software versions.
  • GMC 507 Software version 2.90 includes more robust monitoring for a missing (broken) AP Disconnect wire during pre-flight test (PFT).
  • GSA 28 Software version 4.50 moves the altitude hold loop processing from the G5 to the GSA 28 to allow the pitch servo to fly to a target altitude. Additionally, it provides more robust monitoring of whether there are two servos with the same strap ID on the CAN network.

ASDN Service Bulletin 2011 Rev A