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TRIG TC20 Transponder Controller (For TT21 & TT22)

TRIG TC20 Transponder Controller (For TT21 & TT22)


Tags: Avionics,Transponders & Encoders,Transponders

SKU: 01318-00


The TC20 panel mounted control head controls a remotely mounted TT21 or TT22 Mode S transponder. It mounts into the panel using a 57 mm (2-1/4 inch) round hole or smaller compact mount. The unit displays the operation mode of the transponder, reported pressure altitude, current squawk code, and flight ID.


  • Control head
  • Install kit
  • Installation and user manuals
  • EASA form 1


  • Compact form factor – fits in a compact or standard 2-I/4 inch instrument hole
  • Minimal depth – create space in your panel for other avionics
  • One handed operation
  • Single press VFR button
  • Rapid Squawk selection
  • Display features tail number and flight level for reference
  • Integrated altitude encoder
  • Certified for IFR / VFR flight
  • Manual dimming feature (adjustable backlight)
  • Splash proof, ideal for open cockpit and seaplane
  • Low power consumption
  • Two year warranty from date of install, U.S. based technical support