ADS-B Installation Gallery

Panel cover
Gemini Sparkle

Key Takeaways:

  • The article details the replacement of an obsolete Narco 50A transponder with a new Stratus ESG transponder and Stratus 2S, upgrading the aircraft's avionics.
  • The upgrade involved installing a more accurate 25-foot encoder and a new external GPS antenna, which now feeds satellite information to the Stratus 2S.
  • The installation process included careful removal of old equipment, mounting new components, and drilling/sealing a new hole in the fuselage for the GPS antenna, ensuring proper orientation and leak-free operation.
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Narco 50A rack, transponder, and encoder
Transponder rack installation

The Narco 50A rack, transponder and encoder. Out with the old to make way for the new. The weight of the old equipment was recorded in order to update the weight and balance for my airplane.

The installation begins with the installation of the new rack in the panel. The rack easily fit in the old location between the frame rails. Some new mounting holes were necessary for installation.
Encoder
My new encoder. Only 3 wires required, and improved accuracy. The older encoder could have worked, but it provides 200 ft. accuracy, while the new encoder provides 25 ft. accuracy.

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