RGV Aviation Ltd is a Trig Authorized Dealer capable of the supply, installation, and maintenance of Trig Transponders.

Mode 'S' Transponders

Trig TT31 Transponder
The TT31 is a power-efficient, inexpensive, Mode S transponder that meets the European elementary surveillance requirements. The TT31 fits in the same mounting tray as the KT76A transponder, making it a great choice for either upgrades or new installations. Check out the brochure here.

TT31

European Mode S

Low Power Consumption

No Cavity Tube

240 Watts Nominal Output

Plug and Play Installation

Backlit LCD Display

Easy to Use Rotary Knobs

Timer/Stopwatch Function

Altitude Monitor

Certified 1090ES ADS-B out

The TT31 is TSO approved for fitting to European and FAA registered aircraft

Trig TT21 Transponder
With a front panel controller smaller than a standard instrument, and a remote transponder that is not much bigger than a pack of cards, the TT21 can fit into the smallest of aircraft – and yet it is fully certified and compliant with all the transponder requirements. Check out the brochure here.

TT21 Transponder

Low Weight - less than 500 grams!

Minimal Panel Space

Low Power Consumption

130 Watts Nominal Output

Integrated Altitude Encoder

Simple Installation

Support for 1090ES ADS-B Out

The TT21 can be mounted in a standard 57 mm (2¼ inch) instrument hole, or where space is really tight, in a compact mounting just 42 mm high.

The TT21 is TSO approved for fitting to European and FAA registered aircraft.