Skip to content

TT31 (XPDR ADS-B) Transponder

The Trig TT31 Transponder offers plug-and-play installation to replace Bendix King transponders. It supports 1090ES ADS-B Out and Mode S Class 1, with extended compatibility to GPS systems. STC certified for over 650 aircraft types, it provides a reliable and cost-effective solution to modernize your aircraft.

Category: Tag:

Trig TT31 Transponder – Unmatched Performance and Installation

The Trig TT31 transponder offers unmatched installation benefits and class-leading performance. This transponder is the ideal solution for upgrading popular Bendix King transponders, including the KT76A, KT76C and KT78A. With its plug-and-play design, the TT31 mounts directly into the existing tray of these models, significantly reducing both installation time and cost.

Key Features:

  • Mode S Class 1 Technology: The TT31 is equipped with Mode S Class 1 technology and is also compatible with 1090ES ADS-B Out, in accordance with the latest international standards. This allows full compliance for modern aviation requirements.
  • Compatibility with Popular GPS Devices: The TT31 is compatible with many popular GPS position sources, including Garmin GNS and GTN navigators, as well as the Trig TN70. This compatibility ensures best-in-class installation flexibility.
  • Certifications: With its free FAA STC (Supplemental Type Certificate), the TT31 can be installed as a compliant ADS-B Out solution in 650 different aircraft types. For more details, visit our ADS-B U.S. page.

Benefits for drivers:

The TT31 offers a reliable and easy-to-install ADS-B Out transponder solution, meeting the requirements of new standards while providing broad compatibility with various GPS systems. This makes it an ideal choice for pilots looking to modernize their aircraft while reducing installation costs and time.

Contact your authorized Trig dealer now to find out how the TT31 can be integrated into your aircraft.

Exclusive products