Trig TT31 Transponder M-S C-1 Slide In For Kt 76A

The Trig TT31 is a Class 1 Mode S transponder designed as a slide-in retrofit for aircraft equipped with a compatible BendixKing KT76A tray. Manufacturer part number 00220-00-01 is the TT31 version supplied without a Trig tray, making it suitable where the existing installation is confirmed serviceable and compatible.

The TT31 provides Mode S capability and is 1090ES ADS-B Out capable when installed with a suitable GPS position source and in accordance with the applicable approved installation data. Its bright backlit LED display and conventional rotary control support clear, straightforward operation.

• Slide-in retrofit design for compatible KT76A installations
• Class 1 Mode S, Level 2els transponder
• 1090ES ADS-B Out capable with a suitable position source
• ETSO C166A and ETSO 2C112B; TSO-C112 and TSO-C166b listed by Trig
• 11–33 V DC supply range
• 240 W nominal transmitter output at the connector
• Backlit LED display, flight timer, stopwatch and altitude-monitor functions
• No cavity tube and no warm-up period

Installation should be completed by appropriately qualified avionics personnel. The condition and compatibility of the existing tray, connectors, wiring, antenna and aircraft approval basis should be verified before installation.

Relevant manufacturer documentation includes the TT31 Installation Manual, Operating Manual, ETSO Certificate and ADS-B Certificate.