# STC SA8709SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Acron Aviation Inc.
- Description: Installation of a Traffic Alert and Collision Avoidance System I (TCAS I) model TCAS 791/791A.
- Status date: April 1, 2025
- Data sheets: A9EA, A9EA
- Certificate PDF: https://openairdocs.org/files/sha256/23/2b/232b864343d4d02b3bcd1ada201ff7146fd0dbbf5478c0de85a75d23129e09d2
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID158407755820250805141011.0001
- Page: https://openairdocs.org/stc/SA8709SW

## ADs that name it

None.

## Approved models (2)

- De Havilland Aircraft of Canada Limited DHC-6-200 (TCDS A9EA)
- De Havilland Aircraft of Canada Limited DHC-6-300 (TCDS A9EA)

## 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.

SA8709SW Acron Aviation, Inc.

5353 52nd Street South East Grand Rapids, MI 49512-9704 Part 3 the Civil Air Regulations A9EA De Havilland Aircraft of Canada Limited DHC-6-200; DHC-6-300 Installation of Traffic Alert and Collision Avoidance System I (TCAS I) model TCAS 791/791A in accordance with Goodrich Avionics Systems, Inc. Master Drawing List, Document No. 151-00-0002, Rev. J, dated July 15, 2001 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, Goodrich Avionics Systems, Inc. Drawing No. SA8709SW.doc, Rev. D, FAA approved August 15, 2001, 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.

August 30, 1993 February 3, 1994 August 15, 2001 for Paul Nguyen Manager, Central Certification Branch Compliance & Airworthiness Division Aircraft Certification Service 2 June 06, 1996; August 15, 2001; February 17, 2004;

December 12, 2022; April, 1, 2025

SA8709SW 2

## Every issue (2)

- April 1, 2025: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/23/2b/232b864343d4d02b3bcd1ada201ff7146fd0dbbf5478c0de85a75d23129e09d2)
- December 12, 2022: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/37/8b/378b79f03f60561a1e8092ab051eb6f75f97fe8174b23e5cf3b9012ffe8360d7)

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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.