GI 275 Software Update

WDD

WDD

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This is interesting......


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(2025) Service Bulletin 25080 Rev A: GI 275 Multi-function Instrument System Software Version 3.44​

GI 275 Multi-function Instrument​

Aviation Service Document Notification
GI 275 Multi-function Instruments with System Software Version 3.42 or earlier are affected.
Garmin Aviation Dealers have received service documents related to Garmin TSO Service Bulletin 25080. This Service Bulletin is recommended for affected installations. Please reference the aviation service document notification below when contacting your Garmin dealer.

WARRANTY INFORMATION:
For -00 through -70 units only, labor reimbursement is available for modifications completed by August 31, 2026, or within the equipment’s original factory warranty period.
NOTE
-80 units are not eligible for warranty reimbursement.
 
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Garmin | United States | Aviation Support

Garmin Aviation Support Center is where you will find answers to frequently asked questions and resources to help with all of your Garmin Aviation products.
support.garmin.com support.garmin.com

PURPOSE:
GI 275 Multi-function Instrument System Software Version 3.44 adds the following.
GI 275 -00 through -70:
  • Fixed issue with analog nav lateral deviations
  • Corrected diagnostics logs export issue in normal mode
  • Improved MFD Data Field items
  • Added configuration to mute altitude minimums alerts
  • Updated AHRS for improved robustness in rolls
  • Added support for GHA™ 15 Height Advisory
  • Added GIA as a configurable HSDB Nav Source
  • Various improvements for GIFD integration
  • Configuration improvements for GFC™ 500 Automatic Flight Control System
  • Automatically disable wireless when a Flight Stream 510 is in the system
Reduced minimum configurable transition point to photocell backup in lighting mode from 5% to 2% for GI 275 -80 Only.
 
Not approved software for STC installations just quite yet. 3.42 is the approved software on the equipment list.
 
TiltOn22 said:
Not approved software for STC installations just quite yet. 3.42 is the approved software on the equipment list.
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Great catch - thanks. Odd - why would they release a Service Bulletin about this new version but not have it approved yet? I thought the idea of a Service Bulletin was a non mandatory but approved update.

“You have a problem, we have the fix, but you can’t have it. Have a nice day” :)

Update: The nice customer service person at Garmin thinks that it's ready and approved to be installed. So... I think I'll reach out to the local avionics shop at the field and get their take on it. Not a critical issue, but I'd like to chase this down. FWIW, it does appear to be covered under warranty. (Yeah, my local avionics repair shop charges for software updates).
 
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So is it just the lateral analog nav thing that it got a SB for? It doesn't really say "We're issuing this SB because..."
 
flyingcheesehead said:
So is it just the lateral analog nav thing that it got a SB for? It doesn't really say "We're issuing this SB because..."
Click to expand...

See Post #2. Not critical / no AD. I gave this to our local Avionics shop and he’s looking into it. Interesting that it’s warranty reimbursable.
 
WDD said:
See Post #2. Not critical / no AD. I gave this to our local Avionics shop and he’s looking into it. Interesting that it’s warranty reimbursable.
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Yeah, that's what's weird. They normally only do that when they screw something up bad.
 
And….. the local avionics shop said he hasn’t seen the STC yet, so he can’t install. And he says GI 275 updates have a history of being “clunky”, so don’t be one of the first. So maybe later this year.
 
WDD said:
I gave this to our local Avionics shop and he’s looking into it. Interesting that it’s warranty reimbursable.
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I wonder if they say "it took us an hour but Garmin only reimbursed us for half an hour. Here's your half of the bill."
 
Maybe. He’s a Garmin dealer and isn’t a fan of Garmin. If fact, suggested I get a JPL instead. “Garmins are difficult to install and more difficult to get to work right”.
 
asicer said:
I wonder if they say "it took us an hour but Garmin only reimbursed us for half an hour. Here's your half of the bill."
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They usually say how many hours of labor they will reimburse you for.
 
Garmin's "reimbursement" is also a little disingenuous... they credit the dealer account at some rate, they don't send a check for shop rate. So you basically get a little off on your next order, but no direct cash flow. Probably doesn't matter to the big shops, but to the smaller dealers I've worked with/talked to, it's less ideal.
 
WDD said:
Maybe. He’s a Garmin dealer and isn’t a fan of Garmin. If fact, suggested I get a JPL instead. “Garmins are difficult to install and more difficult to get to work right”.
Click to expand...
Look for the thread about JPI users trying to get access to their own data logs...

Garmin isn't perfect but there's a reason they're on top.
 
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