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Garmin ADS-B Gets FAA Approval for Helicopter Installs

By S.L. Fuller | November 18, 2016
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Garmin International announced that the FAA has granted STC for the installation of the GTX 345 ADS-B In/Out and GTX 335 ADS-B Out transponders in an Approved Model List of Part 27 helicopters. Photo courtesy of Garmin

Garmin International announced that the FAA has granted STC for the installation of the GTX 345 ADS-B In/Out and GTX 335 ADS-B Out transponders in an Approved Model List of Part 27 helicopters. Photo courtesy of Garmin

Garmin International has received Supplemental Type Certification from the FAA for the installation of the GTX 345 ADS-B In/Out and GTX 335 Automatic Dependent Surveillance Broadcast Out (ADS-B Out) transponders in an Approved Model List (AML) of Part 27 helicopters.

The GTX 345/335 include Extended Squitter (ES) ADS-B Out with options for built-in WAAS. Remote-mount variants of these transponders are also available, which are compatible with the GTN 650/750 touchscreen series.

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The GTX 345 and GTX 335 incorporate the 1.65 inch tall panel-mount transponder form factor with a readable digital display including pressure altitude readout and dedicated buttons for numeric squawk code entry and a built-in timer. For helicopters without a WAAS-enabled GPS such as the GTN 650/750 series, an option for an integrated GPS/SBAS position source provides owners and operators with an all-inclusive solution that meets ADS-B Out requirements.

The GTX 345/335 have received approval for installation in over 60 helicopter models.

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