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Avionics

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.

FAA-listed holder
Acron Aviation Inc.
Aircraft configurations
5
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of BF Goodrich Avionics systems TCAS791 traffic alert and collison avoidance system I (TCASI).

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.

Textron Aviation 500A22CETextron Aviation 550A22CETextron Aviation 552A22CETextron Aviation 560A22CETextron Aviation S550A22CE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Textron Aviation 500 and Textron Aviation 550, and 3 more aircraft configurations model, serial range, and configuration?
  2. 02Which part numbers, software versions, interfaces, and manual changes apply?
  3. 03Who can legally supply the design data, kit, instructions, and ICAs?
  4. 04What parts, labor, conformity, and return-to-service work are excluded?

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