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Garmin Obtains an AML STC for our GTN Series on Select Rotorcraft!

30 October 2013 @ 2:42 PM  / Aviation Blog / Lucy's Logbook /

The helicopter community is buzzing with excitement as it relates to Garmin avionics! Recently, Garmin obtained an AML (Approved Model List) STC (Supplemental Type Certificate) for Part 27 rotorcraft for GTN - Heli
the GTN series, which allows for the installation of the GTN 650/750 and GMA 35 remote audio panel into approved rotorcraft.  

Rotorcraft listed below are approved under the latest series of certification:

  • Bell 206B, 206L, 206L-1, 206L-3, 206L-4, and 407 series
  • Eurocopter AS350B2, AS350B3, EC130B4, EC130T2
  • MD Helicopters 369E, 369F, 369FF

As part of the GTN Part 27 AML STC, HTAWS (Helicopter Terrain Awareness and Warning System) is included for the listed models. HTAWS offers pilots an enhanced level of situational awareness through forward-looking terrain and obstacle avoidance (FLTA) alerts. Garmin HTAWS also incorporates a high-resolution, five color terrain scale (red, orange, yellow, green, and black) and offers voice callouts in one hundred foot intervals when descending from 500 to 100 feet Above Ground Level (AGL).   

GTN Heli-3
Also included is the approval for Telligence™ Voice Command for some models listed within the AML. Simply put, Telligence speech recognition technology allows pilots to active audio panel functions via spoken commands. For example, by activating the push-to-talk button on the controls and saying, “Comm One,” the pilot can easily select the radio without taking his/her hands off the flight controls.


We’re very excited about obtaining an AML STC for our GTN suite of avionics for Part 27 approved rotorcraft! For more information, please visit a local Garmin dealer!

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