Bulletin Garmin Service Bulletin for GPS 175/GNX 375/GNC 355 3.21

[Neal]

Looks like they finally made the release official. Various bulletins depending on certified or not but as I'm experimental here is the ref:

https://download.garmin.com/software/NAVIGATOR:GPS175_GNC355_GNX375-SERVICEBULLETIN23039-ServiceBulletinDocument_321B.pdf

 

[Neal]

TSO ref:

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

 

[Neal]

STC ref:

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