gi-275

I have a GI 275 installed as my primary HSI. The plane just came out of Annual, and I am now getting intermittent heading failures. When indicating a heading failure, TRK is displayed. However, when HDG Failure is not indicating, the heading is off by over 60 degrees. This is a new issue...

Garmin recently published Service Advisory 20112 Rev A stating that the AHARS magnetic model expired and needs to be updated. The GI-275 is supposed to give you the option to update it when you install a new nav database, but mine did not. Garmin was worthless answering the basic questions of...

I have a GTN-650 and a GI-275 configured as a Primary HSI. I need to renew my Garmin subscriptions. For $299, I can be IFR legal by just getting the 650 Nav database vice the $650 OnePak that updates everything. Has anyone chosen to only update their GPS database? Any issues navigating off...

I have a GI-275 as Primary HSI, so it has the required backup battery. For the annual Backup Battery Test, can the pilot sign that off, or does it need to be an A&P/IA? Is any log book required? Garmin Technical Service said they THOUGHT it was pilot performed with no log book entry required...

Appreciate help from the brain trust.... I have a near new GNU-430W with a fully working Cessna 300A Navomatic autopilot. I'm considering upgrading to a GI-275 and wondering if it can be integrated to this legacy AP? It's not listed on Garmin's interface list. Having GPSS to drive this legacy...