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Transponders

Our range of aviation transponders have been chosen for their quality build and reliability in the air. Transponders produce an electronic response when interrogated to help ground control radar identify your aircraft.

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Trig TT21 Class 2 Mode S Transponder

The TT21 system is our smallest, lightest, Mode S general aviation transponder. This two part system, which includes an integrated altitude encoder, can fit into the smallest of aircraft – and yet it is fully certified and compliant with all the transponder requirements.
$2,950.00

Trig TT22 Class 1 Mode S Transponder

The Trig TT22 system is our smallest, lightest, Mode S general aviation transponder. It can fit into the smallest of aircraft – and yet it is fully certified and compliant with all the transponder requirements. The TT22 is a two part transponder system, which includes an integrated altitude encoder.
$3,275.00

Trig TT31 Mode S Transponder

The NEW Trig TT31 Mode S transponder has been designed to meet the European elementary surveillance requirements, as well as fitting the same mounting tray as the popular KT76A/C transponder, making it ideal for new or retrofit installations. The TT31 has a backlit graphic display, rotary knob for setting squawk code and flight ID, and easily operated functions.
$3,560.00

Trig TT31 Mode S Transponder (unit only)

Unit only without tray or install kit. Direct replacement unit for King KT76A/76C/78A transponders.
$3,480.00

Trig TN70 ADS-B OUT Solution

Trig produces smart, affordable and future proof avionics. If you’re an aircraft owner looking for an affordable ADS-B Out solution with superior performance then Trig has the right ADS-B solution to get you equipped today.
$3,125.00

BendixKing KT74

Airspace is changing, and so is the technology needed to optimize the accuracy and situational awareness within this airspace. Regardless of how things change, the BendixKing commitment to meeting the needs of the pilot and a legacy of creating affordable optimized avionic solutions will continue into the future.
$3,994.99

BendixKing KT76A Transponder (recertified) (unit only)

BendixKing Mode A/C Transponder.
$1,095.00

BendixKing KT76C A/C Transponder (used)

Serviceable used King KT76C Transponder. Unit only
$1,295.00

Garmin GTX325 Mode C Transponder

Offering a simple, affordable replacement for standard Mode C transponder units in aircraft that don’t fly in ADS-B mandated airspace — or that will be equipped with a separate UAT ADS-B transceiver solution — the GTX 325 transponder is a reliable, TSO-certified problem solver. Its solid-state design works to maximize service life and assure dependable ATC traffic surveillance.
$3,500.00

Garmin GTX335 and 345 ADS-B Transponders

The Next Gen All-in-one ADS-B Transponders

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$4,500.00

Garmin GTX 35R / GTX 45R ADS-B Remote Mount Transponder

We are pleased to announce the arrival of the GTX 45R and GTX 35R remote mount ADS-B transponders for experimental aircraft.

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$5,849.00

Garmin GTX327 Recertified Mode A/C Transponder

Used, recertified GTX327 Transponder. Digital front end, supplied with Release Form and tray...
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Funke TRT800H OLED Mode S Transponder

The TRT 800H OLED is a new development of the well known TRT 800 series transponder and now features an ultra-bright display (OLED) that can be seen easily from almost any angle. As with the earlier models the alticoder is built in and installation is straightforward.
$3,450.00

Funke ZTRT800H LCD Mode S Transponder

The ZTRT 800H LCD is a new development of the well known TRT 800 series transponder that can be seen easily from almost any angle. As with the earlier models the alticoder is built in and installation is straightforward.
$3,350.01

Funke ZTRT800A-OLED Mode S Transponder

The ZTRT800A offers the standard 161mm housing which is ideally suited for the easy replacement of existing transponders like the Kt76 or similar (only with OLED display available). It offers the classical A/C modes of operation plus full Mode-S support including the future-oriented extended squitter function. Its advantages are an attractive price, small dimensions and a built-in altitude encoder without heating requirements. These features help to reduce installation effort, cost and weight. The unit provides the required 25ft altitude resolution.
$3,450.00

Dynon SV-XPNDR-262 Transponder Module

Integrated: Made for the SkyView System with control and annuciation appearing on the SkyView Display. The transponder module can be mounted anywhere in the airplane that is convenient.
$2,900.00

Dynon SV-XPNDR-261 Transponder Module

Integrated: Made for the SkyView System with control and annuciation appearing on the SkyView Display. The transponder module can be mounted anywhere in the airplane that is convenient.
$3,550.00

Becker BXP6401-2-(01) 150W Mode S Transponder

The BXP 6401-2-(01) is a compact and lightweight single block Mode-S transponder. It is according to level 2 and class 2 and suited for VFR and IFR up to 15,000 feet.
$3,650.00

TQ Avionics (formerly Dittel) KTX2 Mode S Transponder

The newly developed Mode-S Transponder KTX2 incorporates latest technology – resulting in a highly efficient airborne equipment, offering lowest possible power consumption, smallest dimensions and lowest weight.
$2,995.00