STX 165 Mode A/C Transponder


The STX 165 Sports a professional 1/2 3ATI Bezel that complements any aircraft panel.  Its bright OLED display is readable in virtually all lighting conditions and automatically dims for night time operations.  Check out just a few of the STX 165 features.

  • Built-in Encoder  Simplifies installations and lowers cost.
  • Three Timer Functions  Elapsed Flight Time, Up Timer, Down Timer
  • Pressure Altitude Display  See what altitude your transponder is reporting to Center  
  • Optional OAT Probe Input   Displays Outside Air Temp.,Density Altitude, Icing Alert
  • Small and Light Weight  7.4" behind the panel depth, 1.3 lbs.
  • Low Current Requirements  Ideal for LSA - Glider - UAV Operations
  • ADS-B Compatible..

        "We recommend that you do not install both 1090ES and UAT ADS-B OUT

capability on the same aircraft"  FAA Advisory Circular AC 20-165A 


Ask About Our Loaner Panel Punch 


Panel Cut Out Dimensions.pdf31.83 KB
STX165 Brochure.pdf827.02 KB
STX 165 User Guide1.61 MB
STX165 Installation Manual945.14 KB