# STC SA228CH

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Acron Aviation Inc., United States
- Description: Installation of Model TCAS 791 TCAS I.
- Applied: March 1, 2003
- Status date: April 1, 2025
- Product: Aircraft, Small Airplane
- Certification basis: Part 23
- Data sheets: [TCDS 3A15](https://openairdocs.org/tcds/3A15)
- Certificate PDF: https://openairdocs.org/files/sha256/a1/87/a1876e15475715a7637b705a687738beb81cb3b6ca32b96b8746348b232f1155
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID116931514120250804170845.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA228CH

## ADs that name it (0)

None.

## Approved models (1)

- Textron Aviation Inc. A36 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

SA228CH Acron Aviation, Inc.

5353 52nd Street South East Grand Rapids, MI 49512-9704 Part 3 the Civil Air Regulations 3A15 Textron Aviation Inc.

A36 Installation of Model TCAS 791 TCAS I in accordance with United Beechcraft Report 36-4033-001, revised June 16, 1994.

1. Data pertaining to this design change are considered inadequate for duplication in other aircraft. This approval is limited only to the installation made in Raytheon Aircraft Company Model A36, S/N E2772. This STC does not permit manufacturing of parts for multiple installations.

2. Airplane Flight Manual Supplement, FAA approved on July 4, 1994, or later FAA approved revision is required on board for operation of the modified aircraft.

December 21, 1993 July 14, 1994 for Paul Nguyen Manager, Central Certification Branch Compliance & Airworthiness Division Aircraft Certification Service 2 February 19, 1997; December 11, 2002;

February 17, 2004; December 12, 2022; April 1, 2025

SA228CH 2

## Every issue (2)

- April 1, 2025: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/a1/87/a1876e15475715a7637b705a687738beb81cb3b6ca32b96b8746348b232f1155)
- December 12, 2022: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/b1/e1/b1e12118bc6f11bf9f0e721e2b8f3955ec877eceace9271aa7a67488f63b9f34)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.