Skip to content
American Aviation Parts datum · avionics

Avionics

ATA · 5382 parts

Avionics are the electronic systems that handle communication, navigation, monitoring, and flight management in an aircraft — from panel-mounted radios and transponders to GPS navigators, audio panels, and engine instruments. This category covers avionics units and related hardware for general-aviation aircraft, including equipment from manufacturers such as Garmin, BendixKing, and Icom. Every purchase here is self-serve from start to finish. Use the search bar if you already know the part number, or browse the listings below to compare units by price and availability. If you are not sure whether a unit fits your aircraft, the Aircraft Finder matches parts to your specific make and model using FAA aircraft data, so you can confirm fitment before you buy — no phone calls and no quote requests. Documentation matters in avionics. Where available, eligible items include FAA Form 8130-3 airworthiness documentation; check the individual product listing for the paperwork supplied with each unit. Listings also show condition, so you can tell at a glance whether a unit is new, overhauled, or serviceable.
VOR Threeway Coupler/Bnc Female Connector, 108-118 MHz, 50 Ohms, 2 Hole Mount & a Aluminum Finish.  Ci 1114
VOR Threeway Coupler/Bnc Female Connector, 108-118 MHz, 50 Ohms, 2 Hole Mount & a Aluminum Finish. Ci 1114
NE
P/N CI 1114 Comant
$642.43
Price and availability checked Nov 14, 2026 MST
Backorder
VOR Gs Single Diplexer/Tnc Female Connector, 108-120 MHz and 325-340 MHz, 50 Ohms, 4 Hole Mount & a Flat Grey Epoxy Paint Finish.  Ci 1120
VOR Gs Single Diplexer/Tnc Female Connector, 108-120 MHz and 325-340 MHz, 50 Ohms, 4 Hole Mount & a Flat Grey Epoxy Paint Finish. Ci 1120
NE
P/N CI 1120 Comant
$1,478.86
Price and availability checked Nov 14, 2026 MST
Backorder
Diplexer, Nav/Glide Slope CI-1120-1
Diplexer, Nav/Glide Slope CI-1120-1
NE
P/N CI-1120-1 Comant
$1,355.48
Price and availability checked Nov 14, 2026 MST
Backorder
Triplexer/For use with Ci 295-300 Sar Antenna, 4 Tnc Female Connector, 2 Hole Mount & a Nickel Plated Aluminum Finish.  CI-1120-300
Triplexer/For use with Ci 295-300 Sar Antenna, 4 Tnc Female Connector, 2 Hole Mount & a Nickel Plated Aluminum Finish. CI-1120-300
NE
P/N CI-1120-300 Comant
$1,098.53
Price and availability checked Nov 14, 2026 MST
Backorder
VOR Gs Dual Diplexer/Bnc Female Connector, 108-118 MHz and 329-335 MHz, 50 Ohms, 2 Hole Mount & a Aluminum Finish.  Ci 1125
VOR Gs Dual Diplexer/Bnc Female Connector, 108-118 MHz and 329-335 MHz, 50 Ohms, 2 Hole Mount & a Aluminum Finish. Ci 1125
NE
P/N CI 1125 Comant
$349.14
Price and availability checked Nov 14, 2026 MST
In stock
Diplexer/2 VOR, 2 Gs, 1 antenna, Tnc Antenna Connector, 2 Hole Mount & an Aluminum Finish.  Ci 1125-TNC
Diplexer/2 VOR, 2 Gs, 1 antenna, Tnc Antenna Connector, 2 Hole Mount & an Aluminum Finish. Ci 1125-TNC
NE
P/N CI 1125-TNC Comant
$460.88
Price and availability checked Nov 14, 2026 MST
Backorder
Marker Beacon Antenna/Bnc Connector, 75 MHz, 50 Ohms, Airspeed 400 Knots, 3 Hole Mount & a White Finish.  Ci 118
Marker Beacon Antenna/Bnc Connector, 75 MHz, 50 Ohms, Airspeed 400 Knots, 3 Hole Mount & a White Finish. Ci 118
NE
P/N CI 118 Comant
$818.32
Price and availability checked Nov 14, 2026 MST
In stock
Marker Beacon Antenna/Bnc Connector, 75 MHz, 50 Ohms, Airspeed 400 Knots, 4 Hole Mount & a White Finish.  Ci 118-1
Marker Beacon Antenna/Bnc Connector, 75 MHz, 50 Ohms, Airspeed 400 Knots, 4 Hole Mount & a White Finish. Ci 118-1
NE
P/N CI 118-1 Comant
$1,208.68
Price and availability checked Nov 14, 2026 MST
In stock
Marker Beacon Antenna/High Speed Blade, 4 Hole Mount & a White Finish.  Ci 118-10
Marker Beacon Antenna/High Speed Blade, 4 Hole Mount & a White Finish. Ci 118-10
NE
P/N CI 118-10 Blade
$1,145.20
Price and availability checked Nov 14, 2026 MST
In stock
Marker Beacon Antenna/Bnc Connector, 75 MHz, Airspeed 400 Knots, 2 Hole Mount & a White Finish.  Ci 118-9
Marker Beacon Antenna/Bnc Connector, 75 MHz, Airspeed 400 Knots, 2 Hole Mount & a White Finish. Ci 118-9
NE
P/N CI 118-9 Comant
$1,397.30
Price and availability checked Nov 14, 2026 MST
In stock
VHF Blade Antenna/Bnc Connector, 118-137 MHz, 50 Ohms, 25 Watts, Airspeed 350 Knots, 4 Hole Mount & a White Finish. Ci 119
VHF Blade Antenna/Bnc Connector, 118-137 MHz, 50 Ohms, 25 Watts, Airspeed 350 Knots, 4 Hole Mount & a White Finish. Ci 119
NE
P/N CI 119 Blade
$1,164.42
Price and availability checked Nov 14, 2026 MST
In stock
Single Blade Antenna Element/For CI-120 G/S, 4 Hole Mount & a White Finish.  Ci 120-1
Single Blade Antenna Element/For CI-120 G/S, 4 Hole Mount & a White Finish. Ci 120-1
NE
P/N CI 120-1 Blade
$1,095.05
Price and availability checked Nov 14, 2026 MST
Backorder
Single Blade Antenna Element/For CI-120 G/S, With Leading Edge Protection, BNC Connector, 4 Hole Mount & a White Finish.  CI-120-1-L
Single Blade Antenna Element/For CI-120 G/S, With Leading Edge Protection, BNC Connector, 4 Hole Mount & a White Finish. CI-120-1-L
NE
P/N CI-120-1-L ADI
$1,083.41
Price and availability checked Nov 14, 2026 MST
Backorder
Antenna Cable/Cable is RG-58, 14 length, male BNC on each end. For use with CI-120 G/S. Ci 120-2 — photo coming soon
Antenna Cable/Cable is RG-58, 14 length, male BNC on each end. For use with CI-120 G/S. Ci 120-2
NE
P/N CI 120-2 Comant
$219.02
Price and availability checked Nov 14, 2026 MST
Backorder
VOR Gs Power Combiner/Bnc Female Connector, 108-118 MHz and 329-335 MHz, 50 Ohms, 4 Hole Mount & an Aluminum Finish.  Ci 120-3
VOR Gs Power Combiner/Bnc Female Connector, 108-118 MHz and 329-335 MHz, 50 Ohms, 4 Hole Mount & an Aluminum Finish. Ci 120-3
NE
P/N CI 120-3 Comant
$467.23
Price and availability checked Nov 14, 2026 MST
In stock
VOR Gs Power Combiner/Bnc Female Connector, 108-118 MHz and 329-335 MHz, 50 Ohms, 2 Hole Mount & an Aluminum Finish.  Ci 120-4
VOR Gs Power Combiner/Bnc Female Connector, 108-118 MHz and 329-335 MHz, 50 Ohms, 2 Hole Mount & an Aluminum Finish. Ci 120-4
NE
P/N CI 120-4 Comant
$548.49
Price and availability checked Nov 14, 2026 MST
In stock
VOR Gs Blade Antenna/Bnc Connector, 108-118 MHz and 329-335 MHz, 50 Ohms, Single Output Combiner, Airspeed 300 Knots, 4 Hole Mount & a White Finish.  CI-120-400
VOR Gs Blade Antenna/Bnc Connector, 108-118 MHz and 329-335 MHz, 50 Ohms, Single Output Combiner, Airspeed 300 Knots, 4 Hole Mount & a White Finish. CI-120-400
NE
P/N CI-120-400 Blade
$2,651.80
Price and availability checked Nov 14, 2026 MST
In stock
VOR Gs Power Combiner/Bnc Female Connector, 108-118 MHz and 329-335 MHz, 50 Ohms, 2 Hole Mount & an Aluminum Finish.  Ci 120-5
VOR Gs Power Combiner/Bnc Female Connector, 108-118 MHz and 329-335 MHz, 50 Ohms, 2 Hole Mount & an Aluminum Finish. Ci 120-5
NE
P/N CI 120-5 Comant
$609.16
Price and availability checked Nov 14, 2026 MST
Backorder
Tnc Combiner Ci 120-7 — photo coming soon
Tnc Combiner Ci 120-7
NE
P/N CI 120-7 Comant
$595.15
Price and availability checked Nov 14, 2026 MST
Backorder
VHF Rod Antenna/Bnc Female Connector, 118-137 MHz, 50 Ohms, 50 Watts, Airspeed 250 Knots, 4 Hole Mount & a White Finish.  Ci 121
VHF Rod Antenna/Bnc Female Connector, 118-137 MHz, 50 Ohms, 50 Watts, Airspeed 250 Knots, 4 Hole Mount & a White Finish. Ci 121
NE
P/N CI 121 Comant
$338.37
Price and availability checked Nov 14, 2026 MST
In stock
VHF Bent Whip Antenna/Bnc Connector, 118-137 MHz, 50 Ohms, 50 Watts, Airspeed 350 Knots, Includes Gasket B12607-3, 4 Hole Mount & a White Finish. Ci 122
VHF Bent Whip Antenna/Bnc Connector, 118-137 MHz, 50 Ohms, 50 Watts, Airspeed 350 Knots, Includes Gasket B12607-3, 4 Hole Mount & a White Finish. Ci 122
NE
P/N CI 122 Comant
$394.77
Price and availability checked Nov 14, 2026 MST
In stock
VHF Blade Antenna/118-137 MHz, 50 Ohms, 25 Watts, Airspeed 350 Knots, BNC Female-Offset Connector, 4 Hole Mount & a White Finish.  CI-138
VHF Blade Antenna/118-137 MHz, 50 Ohms, 25 Watts, Airspeed 350 Knots, BNC Female-Offset Connector, 4 Hole Mount & a White Finish. CI-138
NE
P/N CI-138 Blade
$1,139.61
Price and availability checked Nov 14, 2026 MST
In stock