Still don't need ADS-B or Mode S in your VFR machine out of controlled airspace?

Like to hold a spare for your existing GTX327 unit?

We have "As-Removed" units with trays just for that purpose.


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.

GTX 327 Mode A/C Transponder

SKU: 010-00188-03
$550.00 Regular Price
$350.00Sale Price
  • 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  
    Automatic ALT/GND mode

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