STC ST155CH
FAA DRS lists ST155CH as Current · Reissued, held by Acron Aviation Inc., for Textron Aviation 500, Textron Aviation 550, and Textron Aviation 552, and 2 more aircraft configurations. Recorded change: Installation of BF Goodrich Avionics systems TCAS791 traffic alert and collison avoidance system I (TCASI). Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
ST155CH identifies the approval, recorded holder, named aircraft, and modification scope. It does not confirm kit availability, serial-number effectivity, data rights, price, or installation authority.
Applicability
Aircraft named in FAA DRS
Named aircraft: Textron Aviation 500, Textron Aviation 550, and Textron Aviation 552, and 2 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
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Related avionics STCs
Upgrade of Honeywell Primus II System for ADS-B Out.
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Installation of a Rockwell Collins Pro Line 21 Major Avionics Retrofit.
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Installation of an L-3 Avionics Systems GH-3900 Electric Standby Instrument System (ESIS).
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Automatic Dependent Surveillance-Broadcast (ADS-B) Out Capability.
FAA holder: West Star Aviation LLC