The FAA this week granted a supplemental type certificate (STC) for installation of Garmin’s GTX 345 ADS-B In/Out and the GTX 335 ADS-B Out transponders on more than 60 models of helicopter. The approval is expected to provide a simplified path to ADS-B certification for aircraft on the Part 27 approved model list (AML).
Garmin’s All-in-One ADS-B Transponder Approved for Helicopters
Key Takeaways:
- The FAA has granted a supplemental type certificate (STC) for Garmin's GTX 345 (ADS-B In/Out) and GTX 335 (ADS-B Out) transponders on over 60 helicopter models, simplifying ADS-B certification.
- Both Garmin units offer Extended Squitter ADS-B Out capability with optional WAAS and are designed for installation without panel modifications in most situations.
- The GTX 345 model provides ADS-B traffic and subscription-free weather, wirelessly streaming information to portable devices and apps, along with features like audible traffic alerts and Terminal Safety Solutions for airport ground awareness.
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