Transponders

BECKER ATC-3401 TRANSPONDER WITH CU-5401 REMOTE CONTROL UNIT + ACK A-30 ENCODER

It´s in excellent working condition, looks good and was only removed from the aircraft for an avionics upgrade. The display is clear and bright with no missing digits.

Garmin GTX 320 Transponder PN 0110025910 With 2025 FAA 8130 G2U

Garmin GTX 320A Transponder PN 0110072800 With 2025 FAA 8130 G2U

APPAREO STRATUS ES TRANSPONDER

The Stratus ES is a 1090 MHz extended squitter (ES) transponder. Stratus ES is a solid state transmitter that provides 310 watts nominal power output. Its modern keypad makes entering a squawk code easy.

Narco AT-165 Transponder (Replacement for RT359A/459A/AT50/AT150)

The Narco AT-165 Transponder is a replacement part for the RT359A/459A model, designed for Avionics aircraft. Manufactured by Narco in the United States, this transponder comes with a manufacturer part number of 36090309. It does not come with a warranty but ensures reliability and compatibility with Avionics systems. This product is a crucial component for ensuring proper functionality and communication in aircraft, making it a valuable addition for aviation enthusiasts and professionals alike.

Narco AT 150 TSO Transponder (14/28V) Bench Tested with FAA 8130-3 Form

Narco AT150 TSO Transponder (14/28 VDC).

GARMIN GTX 330 TRANSPONDER PN 011-00455-00 with tray

Mode S Transponder. Garmin GTX-330. You are solely responsible for bringing the aircraft into compliance with 14 CFR Chapter I, or other applicable standards, by obtaining all necessary FAA inspections or modifications.

UAV-1002183-001 uAvionix tailBeacon ADS-b Out / WAAS GPS / LED Nav Light Unit

UAV-1002183-001 uAvionix tailBeacon ADS-b Out / WAAS GPS / LED Nav Light Unit. This unit is in good condition. It was recently removed and works well with no issues. Password included. Satisfaction guaranteed with a 30 day warranty. Will ship worldwide

Garmin GTX 327 320A 320 Transponder Tray Rack With Backplate

This tray is in great condition. Includes backplate. No connector. Will ship worldwide Expedited Shipping available at checkout

011-03946-40 | Garmin GDL 82 | Transmitter Assy 14/28 V – ADS-B Datalink

GDL 82 ... works well..

UAV-1002183-001 uAvionix tailBeacon ADS-b Out / WAAS GPS / LED Nav Light Unit

UAV-1002183-001 uAvionix tailBeacon ADS-b Out / WAAS GPS / LED Nav Light Unit. This unit was recently removed working well but has some cracks in the housing as shown in the pictures. Uavionix can provide the password based off the serial number tag that is included. Satisfaction guaranteed with a 30 day warranty. Will ship worldwide

Bendix King KT 76C ATC Transponder (066-01156-0101)

Removed from Cessna 182S in working condition. Guaranteed to work from 30 days of receipt. I'm a private seller, not a shop so there isn't any paperwork, but this was removed for a GNX375 install in a 182S.

Garmin GTX 327 Transponder PN 011-00490-00 With New 2026 FAA 8130

Garmin GTX-327 Transponder PN 011-00490-00. This unit is in great condition. It has a crack in the bottom portion of the faceplate. It was working well when recently removed for an upgrade. Includes new 8130-3 form. Satisfaction guaranteed with a 30 day warranty. Will ship worldwide

GARMIN GTX 327 TRANSPONDER – REMOVED WORKING FROM FLYING RV-7

Up for sale is a Garmin GTX 327 Mode C Transponder removed serviceable from my flying Vans RV-7 during an avionics upgrade to a Garmin GNX375 ADS-B system. This unit worked flawlessly prior to removal and has been a dependable part of my panel.

4 Face Plates Ky197A ,kt76 ,tdr950 ,kt76a

Bendix king kt76a ,kt76 ,ky197a ,tdr950. All 4 used and original. Still in decent to good condition.

Bendix King MST-67A 066-01143-0601 Mode S Transponder Aircraft Avionics Unit Avi

#Avia_Box_17.

Transponder KT74 89000007-000002 w/ April 2026 Tested 8130

Used Collins Transponder TDR-950 PN 622-2092-001 with rack

PN 622-2092-001.

Narco AT 150 TSO Transponder

This unit is in good cosmetic condition. The knobs seem to turn correctly. It has not been tested and is sold as removed with no warranty. Yellow tag present on unit.

Apollo/Garmin SL70 Mode C Transponder with Tray

Removed in good working order for avionics upgrade. Some delamination of the display lens, does not affect unit function.

Bendix King KT 76A Transponder PN 066-1062-00 w/ New FAA 8130-3 Form

This unit is in great condition and fully tested and inspected with new FAA 8130-3 form. Satisfaction guaranteed with a 30 day warranty. Will ship worldwide

GARMIN GTX 345 TRANSPONDER P/N 011-03302-00 With New 8130-3

This unit is in great condition and fully tested and inspected with new may 2026 FAA 8130-3 form. The main, audio, Adsb, and GPS software have all been recently updated. Satisfaction guaranteed with a 30 day warranty. Will ship worldwide Expedited shipping available at checkout

Bendix King KT 76A Transponder - 066-1062-00

This Bendix King KT 76A Transponder, part number 066-1062-00 is a high-quality transponder, designed for use in aircraft systems. It was removed working from a Beech 58 Baron during avionics uograde to GTX-345. It comes with mounting tray and mating connector, this transponder is guaranteed to meet the demanding requirements of aviation applications, providing accurate and efficient performance for aircraft navigation systems.

King KT 79 Transponder 14V / 28V PN 066-1053-00 - As Removed

This unit powers on with a working display and knobs but the ident button does not work. No other testing has been done. It is sold as removed with no warranty. Will ship worldwide

GARMIN GTX 335 TRANSPONDER P/N 011-03300-40 With 8130-3

This unit is in great condition and fully tested and inspected with 2024 Garmin FAA 8130-3 form. Satisfaction guaranteed with a 30 day warranty. Will ship worldwide Expedited shipping available at checkout

INDUSTRIES C6280A/APX C-6280A(P)/APX Transponder Control -

200-00247-000 Avidyne AXP-340 Transponder

Avidyne AXP 340 Transponder.

GARMIN GTX 330ES ADS-B TRANSPONDER PN 011-00455-60 With New FAA 8130-3 Form

GARMIN GTX 330ES ADS-B TRANSPONDER 011-00455-60 This unit is in great condition and fully working and Includes a new 8130-3 form. Satisfaction guaranteed with a 30 day warranty. Will ship worldwide

A309 DIGITIZER ACK A309 Beechcraft 95B55 Digitizer Encoder G2U

BENDIX/KING KT76A Transponder TESTED!!

BENDIX K ING KT 76 A IN GREAT WORKING CONDITION. TESTED on the bench on 1/23/26.

king KT 78 transponder

king KT 78 transponder. Condition is Used. Shipped with USPS Ground Advantage.

FOR PARTS ONLY Garmin GTX320A Transpnder Part Number #011-00728-00

The Garmin GTX320A Transponder Part Number #011-00728-00 is a high-quality aviation part manufactured by Garmin in the United States. This transponder is specifically designed for Avionics systems and is compatible with the Garmin GTX320A model. It is important to note that this product is being sold for parts only, indicating that it may not be a complete unit ready for installation. Aviation enthusiasts and professionals will appreciate the attention to detail and the reliability that this Garmin transponder offers for their aircraft.

AVIDYNE SKYTRAX100B

AVIDYNE SKYTRAX100B, removed working for upgrade.

Bendix King KT76A Transponder with altitude encoder AK350 KT 76A

Removed from my Christen Eagle when we upgraded the avionics. Works great! Tested 10/17/25. includes the tray and the harness seen in pics. Shipping is $20.

Appareo Stratus ESG ADSB Out Transponder 153510-000017 Demo Unit

This unit is a demo unit that does not transmit. It powers on with a working display and buttons. It is sold as is with no warranty. Will ship worldwide

LAPOINT INDUSTRIES C6280A/APX C-6280A(P)/APX Transponder Control -

LAPOINT INDUSTRIES.

GARMIN GTX 335 ADS-B OUT MODE S TRANSPONDER P/N 011-03300-40 With New 8130-3

This unit is in great condition and fully tested and inspected with December 2025 FAA 8130-3 form. Satisfaction guaranteed with a 30 day warranty. Will ship worldwide Expedited shipping available at checkout

UAV-1002183-001 uAvionix tailBeacon tso ADS-b Out / WAAS GPS / LED Nav Light

Tailbeacon tso. As removed from Piper in good working order. Password included. Make sure to put connected device in airplane mode when updating the settings via wifi. No returns. Thanks

Bendix King KT76 Transponder

The Bendix King KT76 Transponder is a high-quality aviation part manufactured by Bendix King. It is designed for use with avionics systems and has a manufacturer part number of 066-1034-00. Removed in working condition for upgrade minor cosmetic wear and tear

Tron Jotron SART GMDSS 9 GHZ Radar Transponder System Rescue Distress Maritime

We have a massive warehouse!