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Replacement Memory Battery Pack for Davtron 811B Series Chronometers
The 811-BAT-1 is the replacement Battery for 811B Series Chronometers. The model 811B clock memory is maintained by an alkaline battery of 6VDC and a capacity of 1 amp/hour. Replacement is recommended every two years.
$31.95 -
Datcom Hour Meter 873 | 12-24 VDC
Datcom Hour Meter # 873 became standard equipment in most production aircraft. Datcom Hour Meter mounts in a standard 2-1/4″ instrument hole and operates on any DC voltage between 12 and 24 volts. The running indicator indexes every 6 seconds.
$79.25 -
Trig TA50 Compact GPS Antenna – 39″
Trig TA50 is a space-saving antenna perfect for gliders, light sport, or experimental aircraft where mounting options are limited and space is tight. The TA50 is a highly compact uncertified GPS antenna, typically attached to the cockpit glare shield. Trig TA50 antenna is weatherproof and can be mounted externally. It has been developed to provide trouble-free operation with the TN72 GPS Position Source.
$84.75 -
Davtron Digital Temperature Probe | 12 ft
Davtron digital probe provides temperature readings to digital outside/cabin air temperature gauges. The 12 ft long white cable allows the probe to be remotely installed.
$87.95 -
Trig TA50 Compact GPS Antenna – 118″
Trig TA50 is a space-saving antenna perfect for gliders, light sport, or experimental aircraft where mounting options are limited and space is tight. The TA50 is a highly compact uncertified GPS antenna, typically attached to the cockpit glare shield. Trig TA50 antenna is weatherproof and can be mounted externally. It has been developed to provide trouble-free operation with the TN72 GPS Position Source.
$90.75 -
TSC-100RA Airband Handheld Scanner
Focused on airband, VHF band, VHF low band (66 MHz – 88 MHz), and WFM broadcast band, this narrow band receiver has exceptionally high sensitivity and outstanding audio. The simplified functions make this an easy to use handheld, with a large LCD backlit screen and easy to read backlit buttons.
$109.95$124.95TSC-100RA Airband Handheld Scanner
$109.95$124.95 -
Davtron Analog OAT Probe 655 | 7 ft
Davtron analog probe provides temperature readings to digital outside/cabin air temperature gauges. The 7 ft length black and red twisted cable allows the probe to be remotely installed.
$127.95 -
Davtron Analog Temperature Probe | 12 ft
Davtron’s analog probe provides temperature readings to digital outside/cabin air temperature gauges. The 12 ft long white cable allows the probe to be remotely installed.
$139.95 -
Davtron Digital Voltmeter – Model 451
Davtron Digital Voltmeter – Model 451 – is a small, FAA TSO’d, 1.25″ round mount and lightweight instrument that provides precise information about the remaining capacity of the aircraft’s battery.
$147.95 -
Trig TT21 & TT22 Wiring Harness – 39″
Trig’s TT21 & TT22 wiring harness is a 39-inch short cable harness that connects a TT21 or TT22 remote mounted transponder unit to a panel-mounted TC20 control head.
$157.00 -
Trig TT21 & TT22 Remote Transponder Installation Kit
Trig Avionics installation kit for use with the TT21 and TT22 Mode S transponders. Remote transponder units can be mounted anywhere in the airframe, saving valuable panel space.
$169.75 -
Trig TT21 & TT22 Wiring Harness – 118″
Trig’s TT21 & TT22 wiring harness is a 118-inch long cable harness that connects a TT21 or TT22 remote mounted transponder unit to a panel-mounted TC20 control head.
$194.00 -
Trig TT21 & TT22 Wiring Harness & TN72 Connection – 39″
Trig’s TT21 & TT22 wiring harness with TN72 connections is a 39-inch short cable harness that connects a TT21 or TT22 remote mounted transponder unit to a panel mounted TC20 control head as well as a TN72 GPS Receiver.
$199.00
Trig Avionics

Trig Avionics, which was founded in 2004, is a globally recognized supplier of approved avionics products, catering to aircraft owners and operators worldwide. They are known for their creative, high-quality, and cost-effective solutions. Trig provides a range of products, all designed to make use easier and improve the overall flight experience. The company’s motto is ‘Better by Design,’ a principle that guides them to develop products that are not only rich in features but also user-friendly for pilots.
As Trig approved dealer, AllAvionics.com carries the complete lineup of Trig products. Explore Trig’s transponders, radios, NAV/COMs, audio panels, GPS receivers, antennas, wiring harnesses & install kits.