Garmin GTX ADS-B Software Upgrade
Price: See Precision Heli-Support, LLC Price List
Applicability: MD Helicopters 369HE/HM/HS/D/E/FF
Estimated Installation Hours: 4
P/N: STC SR02591LA Garmin GTX ADS-B Upgrade

The fastest way to become FAA ADS-B Out compliant (Jan. 1st, 2020 deadline). Perform a simple software upgrade to the existing Garmin GTX 33H/33DH or GTX330/330D Transponders if interfaced with an existing Garmin GNS (WAAS) or GTN series GPS.

  • Remove the existing Garmin GTX33/330 Transponder; send to an authorized dealer for ES software upgrade per information specified in the STC installation data
  • Only requires (1) RS-232 wire installed (if not already installed) between existing Garmin GNS (WAAS) or GTN series to GTX transponder
  • Existing GPS antenna installed either on the aircraft Engine Inlet Fairing or Boomfairing region


FAA STC Certificate