In the box:

  • GTX 327 transponder
  • Installation kit
  • Pilot’s guide


The panel-mounted GTX 327 is a TSO-certified Mode C digital transponder. Its innovative features, proven performance and reliability bring a whole new level of transponder utility to your aircraft. Looking for a more affordable alternative? The panel-mounted GTX 320A Mode C transponder features a pilot-friendly design minus the DSTN LCD display.

Enjoy Innovative Features

GTX 327 features a solid state design, and with no warm up time, lower power consumption and much lower heat emissions, you’ll enjoy a longer service life. It provides 200 watts nominal power output and has an easy-to-read DSTN liquid crystal display which reverses the numbers out of black for optimal viewing. An innovative keypad makes entering a squawk code a snap, and a dedicated VFR button allows for quick-and-easy VFR squawking. Similar to the GTX 330 Mode S transponder, the 327 also offers several timing and display functions, including flight time, count-up and count-down timers, as well as current pressure altitude.


Physical dimensions 6.25″W x 1.65″H x 8.73″D (15.9 x 4.2 x 22.2 cm)
Weight 3.1 lb (1.4 kg)
Display type digital
Transmit power 200 watts nominal
Transponder type mode A/C
Squawk code selection push-button

Transponder Features

Solid state transmitter (more efficient, longer life)
Pressure altitude readout
Built-in timers

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