What it approves
Installation of BF Goodrich Avionics systems TCAS791 traffic alert and collison avoidance system I (TCASI).
What the certificate says
From the PDF’s text layer, without the form’s printed wording. Layout and order may differ; the PDF is the record.
ST155CH Acron Aviation, Inc.
5353 52nd Street South East Grand Rapids, MI 49512-9704 Part 25 the Federal Aviation Regulations A22CE Textron Aviation Inc.
500, 550, 552, 560, S550 Installation of TCAS791 Traffic Alert and Collision Avoidance System I (TCAS I) installed in accordance with Goodrich Master Drawing List, Drawing No. MDL 550-002, Rev. E, dated April 2, 1998, or later FAA approved revision.
1. Compatibility of this design change with previously approved modifications must be determined by the installer.
2. Airplane Flight Manual Supplement, Rev. B, FAA approved May 14, 1998, or later FAA approved revision, is required on board for operation of the modified aircraft.
3. If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.
August 2, 1993 January 14, 1994 May 19, 1998 for Paul Nguyen Manager, Central Certification Branch Compliance & Airworthiness Division Aircraft Certification Service 2 March 11, 1994; February 13, 2002;
February 17, 2004; December 12, 2022; April 1, 2025
ST155CH 2
ADs that name this STC · 0
An AD can apply because an STC is installed, or mention one in its text.
Approved models · 5
Every issue · 2
DRS keeps each issue of an STC as its own record, with its own certificate and attachments.
| Date | Status | Files |
|---|---|---|
| April 1, 2025 | Reissued, current | Certificate |
| December 12, 2022 | Reissued, earlier issue | Certificate |