Hello Everyone!
I recently upgraded the avionics on a 1979 PA28-181 with dual G5s / GMA 342 / GNX 375 / GNS 255. Everything was fine until a day after a month and a half of the upgrade, when I started to get a fail in the heading data in the PFD G5, followed by a message "Not receiving ARINC...
I just found out there is a new Garmin G5 software Update 6.0.
If you have a certified G5 in your panel, the pilot/owner/operator is allowed to update per the STC instructions. Here's the link:
https://www8.garmin.com/support/download_details.jsp?id=10739#Instruct
When you install this...