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How Transponders Work
Garmin GTX 327 Review
Garmin GTX 330 Review
Apollo SL 70 Review
Altitude Encoders
Garmin Panel Mount
G500, G600, G1000
GTN series
GNS 530
GNS 430
GNS 480
GNC 300XL, 250XL, 155XL
GTX 330, 327, 320
GMA audio panels
Garmin Portables
Aera series
GPSMAP 696, 496, 396
296, 295, 196, 195
Aspen
Avidyne
IFD 440, 540, 550
Dynon
uAvionix
BendixKing
KSN 770
KLN 94, 90B, 89B
KX 155
KX 165
KX 170B
KN 53
KY 97A 96A 92
KY 196A 197A
KMA 24 20, KA 134
Stratus ADS-B Receivers
Trig Avionics
Apollo SL-30 & SL-40
MX20, MX200 MFD
Slide-in Replacements
Michel/TKM MX series
Narco MK-12D
PS Engineering Audio
Aviation Headsets
Handheld Transceivers
VAL Avionics
Narco
Collins
Terra
Radar Equipment
Stormscopes & StrikeFinders
XM Weather Receivers
TCAS & TCAD Traffic Avoidance
Aircraft Intercoms
Autopilots
Transponders
Encoders
DME
HSI
Argus, Moving Maps
Cessna/ARC Radios
Indicators & Gauges
Aviation Tools
Aircraft For Sale
Single Engine
Multi Engine
Aircraft Transponders for sale on
eBay
Item Description
Price
TQ KTXv2 Transponder With ADSD In And Out Capabilities (nexnav 2100 Waas GPS)
2100.00 USD
Narco AT 150 TSO Transponder - As Removed
150.00 USD
Narco AT 50A Transponder
50.00 USD
ONWA KS-200A+ Class B+ AIS Transponder 5W Marine AIS for NMEA2000 with WiFi
292.88 USD
Bendix/King KN 64 DME No Rack No Plug Removed For Upgrade
529.99 USD
AIRCRAFT RADIO AND CONTROL TRANSPONDER PN:41420-1128
150.00 USD
King KT76A transponder high serial number guaranteed 30 days
295.00 USD
00745-00-01 (Alt: 87252) Trig Avionics TT22 Remote Transponder (Volts: 11-33)
1680.00 USD
AXP322 (Alt: 00745-00-05) Avidyne Trig TT22 Mode S Transponder
1484.00 USD
LAPOINT INDUSTRIES C6280A/APX C-6280A(P)/APX Transponder Control -
175.00 USD
Bendix/King KN 64 DME No Rack No Plug Removed For Upgrade *No Data Plate*
449.99 USD
ACK 4 Foot Interface Cable Assembly A30.11.01 A-30-11-01 Encoder to Transponder
21.95 USD
TED TRANSPONDER ANTENNA -- 104-12
27.50 USD
Sandia Aerospace Altitude Encoder SAE 5-35
125.00 USD
IFD Skyline 300 Transponder In-Flight Device Unknown Condition
150.00 USD
narco at50A
199.00 USD
Sentinel Electronics C6280A/APX C-6280A(P)/APX Transponder Control - 6280E38270
249.95 USD
Bendix King KT-78A Transponder P/N 066-1062-01-R
65.00 USD
Appareo Stratus ESG Transponder ADS-B 153510-000017 Tray Included Used Warranty
1850.00 USD
Bendix/King KI209 Removed For Upgrade
349.99 USD
Narco AT 150 TSO Transponder - As Removed
250.00 USD
Tray rack for King KT76A transponder with 28 volt changeover kit 050-1578-00
75.00 USD
Bendix/King KT-71 Mode C Transponder P/N: 066-01141-5101
250.00 USD
Rami AV-22 Transponder Antenna
80.00 USD
Garmin GTX-330 Transponder 011-00455-00, working condition.
799.00 USD
LYNX NGT-9000 Used
3750.00 USD
Garmin GTX-327 Transponder PN 011-00490-00 With New April 2025 FAA 8130
995.00 USD
King KT 79 transponder guaranteed 30 days
349.00 USD
Collins TDR-90 ATC Transponder P/N 622-1270-001
145.00 USD
PARTS! Bendix/King KT-76 TSO Transponder (UNTESTED)
100.00 USD