What it approves
Installation of BFGoodrich TCAS-791 traffic alert and collision avoidance system (TCAS I).
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.
ST219CH Acron Aviation, Inc.
5353 52nd Street South East Grand Rapids, MI 49512-9704 Part 4b the Civil Air Regulations A12EA Gulfstream Aerospace Corporation G-1159, G-1159A, G-1159B Installation of a TCAS-791 Traffic Alert and Collision Avoidance System (TCAS I) in accordance with ElectroSonics Drawing ES1159-10322-01, Rev. 4, dated January 16, 1995, or later FAA approved revision.
1. Compatibility of this design change with previously approved modifications must be determined by the installer.
2. FAA Approved Airplane Flight Manual Supplement dated February 21, 1995, or later FAA Approved revision is a required part of this STC.
3. In addition to the normal aircraft maintenance procedures, the airplane must be maintained per Maintenance Manual Supplement, ElectroSonics P/N ES1159-20322-200, no rev., dated June 29, 1994, or later FAA Approved Revision.
4. 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.
March 25, 1994 June 29, 1994 February 21, 1995 for Paul Nguyen Manager, Central Certification Branch Compliance & Airworthiness Division Aircraft Certification Service 2 November 25, 1994; February 13, 2002;
February 17, 2004; December 12, 2022; April 1, 2025
ST219CH 2
ADs that name this STC · 0
An AD can apply because an STC is installed, or mention one in its text.
Approved models · 3
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 |