Wednesday, October 10, 2012

Press Release: MGL Avionics Integrates Sandia Mode-C Transponder

10/8/2012, Torrance, California - MGL Avionics is proud to announce integration of the Sandia Aerospace STX 165R Remote Mode-C transponder with the following EFIS systems for Experimental and Light-Sport Aircraft: 

Sandia STX 165R

  • MGL Avionics XTreme EFIS
  • MGL Avionics Odyssey EFIS
  • MGL Avionics Voyager EFIS
  • MGL Avionics iEFIS Touchscreen EFIS

The STX 165R is a low weight, low cost, 200 Watt remote mount Mode-C transponder. Through just 2 data wires, the MGL Avionics EFIS is able to display transponder status, send encoded altitude to the STX 165R, control its mode (OFF/STBY/ON/ALT), adjust Squawk code and Ident.

MGL Avionics believes in this elegant and affordable way of meeting the FAA transponder requirements in the US, where only Mode-C is required for recreational Part 91 flight. And, the ability to mount the transponder closer to its antenna and further away from other avionics in the aircraft is also an advantage for homebuilders trying to lay out a clean and interference-free panel.

The STX 165R retails for approximately $1,550, making it a lower cost option than many transponders. It weighs 1.16 lbs, uses 200mA of power and has a small size: 3.5"H x 1.8"W x 6.9"L. 

The XTreme EFIS / STX 165R integration is shown as an example below: 

To control the Sandia Mode-C transponder, simply press the knob in once and select the Transponder function. Transponder Mode and Squawk are displayed on the screen on the left side at all times.
XTreme Sandia Transponder Control
Once the Transponder function is selected, the user can change modes, select squawk code, select preset VFR code and Ident.
XTreme Sandia Transponder Squawk

For more information on the XTreme EFIS:
For more information on the Sandia STX 165R Transponder:

About MGL Avionics: 
MGL Avionics' mission is to provide top-performing flight instrumentation at all levels at affordable prices for the Experimental and LSA markets, with the express aim of helping to lower the overall cost of aircraft ownership and private flight. MGL Avionics have sold tens of thousands of instruments since 2001. The current product line includes large and small screen EFISs, the first Touchscreen EFIS in the Experimental world, a full range of both 2 1/4" and 3 1/8" digital flight and engine instruments, autopilots and aviation VHF radios.

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