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Aviation Alerts and Advisories

GTN software v6.11, Flight Stream 210, and GMA 35c

 AML STC SA02019SE-D or EASA STC 10037574


 This STC amendment updates the GTN software version to 6.11 and GMA 35 software version to v4.10A.

 GTN Software Version 6.11 includes the following functions:

  • User Defined Holds – Holds can be created by the pilot over an existing fix in the navigation database or over a user defined waypoint.
  • Search and Rescue Patterns
  • Animation of precipitation on weather pages for Connext weather
  • Metric and Imperial Unit display options
  • Ability to load a second approach while in the missed approach hold for another approach
  • Display of previous flight plan waypoint and legs on the moving map
  • Provide advisory vertical guidance on LP approaches (LP+V)
  • Fuel range ring depiction on map page
  • CDI guidance along curved paths between flight plan legs
  • Scheduled Messages Support
  • Predictive Waypoint Entry
  • User Configurable Checklists
  • Reverse Frequency Lookup

 New interface and other approvals include the following:

  • Flight Stream 210
  • GMA 35c Bluetooth capable audio panel


Use of a GTN 6XX/7XX with Software Version 6.11 for primary navigation above 89.00° N and below 89.00° S is prohibited.


Refer to Garmin Service Advisory 1619 for an explanation of changes in the GTN 6XX/7XX display of steering and navigation information.

 GTN 6XX/7XX navigators and GMA 35 audio panels installed using Approved Model List (AML) Supplemental Type Certificate (STC) SR02120SE.  (GTN625 / GTN635 / GTN650 / GTN725 / GTN750)

Download 1635A_ASDN