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Transponder

Transponder - Click to enlarge
Transponder - Click to enlarge
Make certain ATC knows where you are, buy a Transponder you can trust! Use a Transponder and Encoder together for "Mode C" operation. Or, upgrade to a Transponder that offers "Mode S" capability.

If you need one, please see our Encoder section.

If you are looking for a Transponder that is not listed here, please click Ask us about a Transponder to send us an email. If we don't have it in stock, we can find it for you!



ARC (Cessna) RT-359A Transponder
ARC (Cessna) RT-359A Transponder

RT359A$995.00Need Rack & Connector?:  Color?:  Voltage?: 
ARC (Cessna) RT-459A Transponder
ARC (Cessna) RT-459A Transponder

RT459A$995.00Need Rack & Connector?:  Color?:  Voltage?: 
Collins TDR-950 Transponder
Collins TDR-950 Transponder

TDR950$895.00Need Rack & Connector?:  Voltage?: 
Collins TDR-950L Transponder (Low Power version)
Collins TDR-950L Transponder (Low Power version)

TDR950L$695.00Need Rack & Connector?:  Voltage?: 
Garmin GTX-320 Transponder
Garmin GTX-320 Transponder

GTX320$1,095.00Need Rack & Connector?: 
Garmin GTX-320A Transponder
Garmin GTX-320A Transponder

GTX320A$1,295.00Need Rack & Connector?: 
Garmin GTX-327 Transponder
Garmin GTX-327 Transponder

GTX327$1,595.00Need Rack & Connector?: 
Garmin GTX-330 Mode S Transponder (with TIS Traffic)
Garmin GTX-330 Mode S Transponder (with TIS Traffic)

GTX330$3,395.00Need Rack & Connector?: 
II Morrow / Garmin AT Apollo SL-70 Transponder
II Morrow / Garmin AT Apollo SL-70 Transponder

SL70$1,395.00Need Rack & Connector?: 
King KT-70 Mode S Transponder
King KT-70 Mode S Transponder

KT70$1,695.00Need Rack, Connector & Mode S Programming Module?: 
King KT-71 Transponder
King KT-71 Transponder

KT71$1,695.00Need Rack & Connector?: 
King KT-76 Transponder
King KT-76 Transponder

KT76$895.00Need Rack & Connector?:  Voltage?: 
King KT-76A Transponder
King KT-76A Transponder

KT76A$895.00Need Rack & Connector?:  Voltage?: 
King KT-76C Transponder
King KT-76C Transponder

KT76C$1,495.00Need Rack & Connector?: 
King KT-78 Transponder
King KT-78 Transponder

KT78$695.00Need Rack & Connector?:  Voltage?: 
King KT-78A Transponder
King KT-78A Transponder

KT78A$795.00Need Rack & Connector?:  Voltage?: 
King KT-79 Transponder
King KT-79 Transponder

KT79$1,195.00Need Rack & Connector?: 
Narco AT-150 Transponder
Narco AT-150 Transponder

AT150$995.00Need Rack & Connector?:  Voltage?: 
Narco AT-155 Transponder
Narco AT-155 Transponder

AT155$1,095.00Need Rack & Connector?:  Voltage?: 
Narco AT-165 Value Series Transponder ARC (Cessna) Replacement
Narco AT-165 Value Series Transponder ARC (Cessna) Replacement

AT165$1,295.00
Narco AT-200 Transponder
Narco AT-200 Transponder

AT200$995.00Need Rack & Connector?:  Voltage?: 
Narco AT-50 Transponder
Narco AT-50 Transponder

AT50$595.00Need Rack & Connector?:  Voltage?: 
Narco AT-50A Transponder
Narco AT-50A Transponder

AT50A$795.00Need Rack & Connector?:  Voltage?: 
Terra TRT-250D Transponder
Terra TRT-250D Transponder

TRT250D$1,395.00Need Rack & Connector?: 

Bennett Avionics: Quality Used Avionics, Professional Service