# STC SA8773SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Acron Aviation Inc.
- Description: Installation of a TCAS-791 Traffic Alert and Collision Avoidance System (TCAS I).
- Status date: April 1, 2025
- Data sheets: A8SW, A8SW, A8SW, A8SW
- Certificate PDF: https://openairdocs.org/files/sha256/47/14/4714e37e494f0b437b681b345a42919142e889d96317f3fa0e0f3d0441a7c938
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID180868613920250805141235.0001
- Page: https://openairdocs.org/stc/SA8773SW

## ADs that name it

None.

## Approved models (4)

- Ontic Engineering and Manufacturing Inc. SA226-TC (TCDS A8SW)
- Ontic Engineering and Manufacturing Inc. SA227-AC (C-26A) (TCDS A8SW)
- Ontic Engineering and Manufacturing Inc. SA227-BC (C-26A) (TCDS A8SW)
- Ontic Engineering and Manufacturing Inc. SA227-PC (TCDS A8SW)

## 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.

SA8773SW Acron Aviation, Inc.

5353 52nd Street South East Grand Rapids, MI 49512-9704 Part 23 the Federal Aviation Regulations A8SW Ontic Engineering and Manufacturing Inc.

SA226-TC, SA227-AC, -BC, -PC Installation of a TCAS-791 Traffic Alert and Collision Avoidance System (TCAS I) in accordance with New Systems Engineering Master Drawing List 147-00-0002, Rev. C, dated January 31, 1994, 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 1, 1994, or later FAA Approved revision is required.

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.

January 18, 1994 February 4, 1994 for Paul Nguyen Manager, Central Certification Branch Compliance & Airworthiness Division Aircraft Certification Service 2 June 6, 1996; February 13, 2002; February 17, 2004;

December 12, 2022; April 1, 2025

SA8773SW 2

## Every issue (2)

- April 1, 2025: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/47/14/4714e37e494f0b437b681b345a42919142e889d96317f3fa0e0f3d0441a7c938)
- December 12, 2022: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/ff/8d/ff8d13c5ba4a2283716dc51d161c16a708dafaac9ef9bf616c484cd3dde7e45c)

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From OpenAirDocs.org, an independent open copy of FAA data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.