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 for over 60 helicopter models, simplifying ADS-B certification.
- These Garmin units offer Extended Squitter ADS-B Out, optional WAAS, and are designed for straightforward installation, often without requiring panel modifications.
- The GTX 345 enhances situational awareness by providing ADS-B traffic, subscription-free weather, wireless data streaming to portable devices and apps, and audible traffic alerts.
- Specific features for helicopters include TerminalTraffic for airport ground awareness and an "on-scene mode" to minimize nuisance traffic alerts when operating in close proximity.
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