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Transponders

ATA · 347 parts

Transponders brings together the parts, hardware, and consumables your maintenance program calls out for this system. Each listing shows its condition and the certification paperwork available for that part, from new PMA/OEM stock to overhauled and serviceable units, so you can confirm airworthiness before buying and request an FAA 8130-3 or manufacturer Certificate of Conformance where one applies.
Serial Altitude Encoder, 0-35,000 ft Trans RS232-35N
Serial Altitude Encoder, 0-35,000 ft Trans RS232-35N
NE
P/N TRANS RS232-35N Transcal
$731.99
In stock
Serial Altitude Encoder, 0-42,000 ft Trans RS232-42N
Serial Altitude Encoder, 0-42,000 ft Trans RS232-42N
NE
P/N TRANS RS232-42N Transcal
$1,079.99
In stock
Solid State Nano Altitude Encoder, 0-30,000 ft Trans SSD120-30
Solid State Nano Altitude Encoder, 0-30,000 ft Trans SSD120-30
NE
P/N TRANS SSD120-30 Transcal
$473.99
In stock
Gtx 320/320A/327/330 Optional Antenna Kit Gmn 010-10160-00
Gtx 320/320A/327/330 Optional Antenna Kit Gmn 010-10160-00
NE
P/N GMN 010-10160-00 Garmin
Quote only
In stock
Gdl 88 Dual-Link ADS-B Out / In Gmn Gdl 88
Gdl 88 Dual-Link ADS-B Out / In Gmn Gdl 88
NE
P/N GMN GDL 88 Garmin
$4,529.99
In stock
Rangr 978 Blue Certified Ads-B In with Wifi Ff FDL-978-RX
Rangr 978 Blue Certified Ads-B In with Wifi Ff FDL-978-RX
NE
P/N FF FDL-978-RX Freeflight
$3,233.99
In stock
Rangr 978 Blue Certified Ads-B In with Wifi and GPS Ff FDL-978-RX-G
Rangr 978 Blue Certified Ads-B In with Wifi and GPS Ff FDL-978-RX-G
NE
P/N FF FDL-978-RX-G Freeflight
$4,433.99
In stock
Rangr 978 Blue Certified Ads-B inchIn inch / Out with Wifi Ff FDL-978-XVR
Rangr 978 Blue Certified Ads-B inchIn inch / Out with Wifi Ff FDL-978-XVR
NE
P/N FF FDL-978-XVR Freeflight
$4,193.99
In stock
Rangr 978 Blue Certified Ads-B inchIn inch / Out with Wifi and GPS Ff FDL-978-XVR-G
Rangr 978 Blue Certified Ads-B inchIn inch / Out with Wifi and GPS Ff FDL-978-XVR-G
NE
P/N FF FDL-978-XVR-G Freeflight
$5,393.99
In stock
Garmin GAE-12 Altitude Encoder for Gtx 335 / 345 Ads-B Transponders Gmn 011-03080-00 Experimental Only
Garmin GAE-12 Altitude Encoder for Gtx 335 / 345 Ads-B Transponders Gmn 011-03080-00 Experimental Only
NE
P/N GMN 011-03080-00 Garmin
$325.92
Price and availability checked Oct 23, 2026 MST
In stock
Rangr 978 Lite Certified Ads-B Out with GPS Ff FDL-978-TXL
Rangr 978 Lite Certified Ads-B Out with GPS Ff FDL-978-TXL
NE
P/N FF FDL-978-TXL Freeflight
$3,233.99
In stock
Rangr 978 Lite Certified Ads-B inchIn inch / Out with Wifi and GPS Ff FDL-978-XVRL
Rangr 978 Lite Certified Ads-B inchIn inch / Out with Wifi and GPS Ff FDL-978-XVRL
NE
P/N FF FDL-978-XVRL Freeflight
$4,433.99
In stock
Garmin Gtx 335 Custom 4' Pre-Wired Harness for Transponder & Encoder Ca 335 Cable Experimental Only
Garmin Gtx 335 Custom 4' Pre-Wired Harness for Transponder & Encoder Ca 335 Cable Experimental Only
NE
P/N CA 335 CABLE Garmin
$149.99
In stock
Garmin Gtx 325 Mode C Transponder Gmn 010-01083-01 Experimental Only
Garmin Gtx 325 Mode C Transponder Gmn 010-01083-01 Experimental Only
NE
P/N GMN 010-01083-01 Garmin
$2,371.65
Price and availability checked Oct 23, 2026 MST
Backorder
Solid State Altitude Encoder, 0-35,000 ft Trans SSD120-35C-RS232
Solid State Altitude Encoder, 0-35,000 ft Trans SSD120-35C-RS232
NE
P/N TRANS SSD120-35C-RS232 Transcal
$407.99
In stock
Sv_harness_xpndr Transponder Harness Dynon Sv-Harness-Xpndr
Sv_harness_xpndr Transponder Harness Dynon Sv-Harness-Xpndr
NE
P/N DYNON SV-HARNESS-XPNDR Dynon Avionics
$89.99
In stock
Stratus Transponder Wiring Harness App 353050-000064
Stratus Transponder Wiring Harness App 353050-000064
NE
P/N APP 353050-000064 Appareo
$291.00
In stock
Ack A30 4 Foot Interface Cable Assembly A30.11.01
Ack A30 4 Foot Interface Cable Assembly A30.11.01
NE
P/N A30.11.01 ACK Technologies
$18.04
Price and availability checked Oct 25, 2026 MST
Backorder
Ack A30 Add On Wire Kit A30.11.02
Ack A30 Add On Wire Kit A30.11.02
NE
P/N A30.11.02 ACK Technologies
$6.01
Price and availability checked Oct 25, 2026 MST
Backorder
Garmin Gtx 335R Remote Xpdr Mode S (requires Ifr GPS) 010-01215-01 Experimental Only
Garmin Gtx 335R Remote Xpdr Mode S (requires Ifr GPS) 010-01215-01 Experimental Only
NE
P/N 010-01215-01 Garmin
$3,794.20
In stock
Garmin Gtx 345R Remote Xpdr Mode S W/ Bt (requires Ifr GPS) 010-01217-06 Experimental Only
Garmin Gtx 345R Remote Xpdr Mode S W/ Bt (requires Ifr GPS) 010-01217-06 Experimental Only
NE
P/N 010-01217-06 Garmin
$5,579.44
Price and availability checked Oct 25, 2026 MST
In stock
Garmin Gae 12 Altitude Encoder For GTX335 / 345 / Gnx 375 011-03080-00
Garmin Gae 12 Altitude Encoder For GTX335 / 345 / Gnx 375 011-03080-00
NE
P/N 011-03080-00 Garmin
$325.92
Price and availability checked Oct 25, 2026 MST
In stock
Garmin Gtx 335 Kit With Exp 4FT Wire Pigtail ASA-00198-SU
Garmin Gtx 335 Kit With Exp 4FT Wire Pigtail ASA-00198-SU
NE
P/N ASA-00198-SU Garmin
$3,787.85
In stock
Garmin Gtx 335R Xpdr Mode S With 4FT Harness ASA-00202-SU
Garmin Gtx 335R Xpdr Mode S With 4FT Harness ASA-00202-SU
NE
P/N ASA-00202-SU Garmin
$3,569.60
In stock