# STC ST316CH

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Acron Aviation Inc., United States
- Description: Installation of a TCAS791/791A Traffic alert and collision avoidance system I (TCAS I).
- Applied: September 23, 1994
- Status date: April 1, 2025
- Product: Aircraft, Large Airplane
- Data sheets: [TCDS A3EU](https://openairdocs.org/tcds/A3EU)
- Certificate PDF: https://openairdocs.org/files/sha256/08/c6/08c606e52220816a6513809877f5f63b2a4f86d754b9169cf114641aa5156d31
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID177441335620250806170001.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST316CH

## ADs that name it (0)

None.

## Approved models (2)

- Textron Aviation Inc. BH.125 Series 400A ([TCDS A3EU](https://openairdocs.org/tcds/A3EU))
- Textron Aviation Inc. DH.125 Series 400A ([TCDS A3EU](https://openairdocs.org/tcds/A3EU))

## 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.

ST316CH Acron Aviation, Inc.

5353 52nd Street South East Grand Rapids, MI 49512-9704 Part 10 the Civil Air Regulations A3EU Textron Aviation Inc.

BH.125 Series 400A; DH.125 Series 400A Installation of Goodrich Avionics Systems TCAS791/791A Traffic Alert and Collision Avoidance System I (TCAS I) in accordance with Drawing No. KA9404-09R, Rev. D, dated October 12, 1999, 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, Drawing No. KA9404-04R, Rev. C, FAA approved April 11, 2000, or later FAA approved revision, is required on-board for operation of the 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.

September 23, 1994 March 28, 1995 April 11, 2000 for Paul Nguyen Manager, Central Certification Branch Compliance & Airworthiness Division Aircraft Certification Service 2 August 29, 1995; April 11, 2000; February 13, 2002;

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

ST316CH 2

## Every issue (2)

- April 1, 2025: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/08/c6/08c606e52220816a6513809877f5f63b2a4f86d754b9169cf114641aa5156d31)
- December 12, 2022: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/34/6d/346d606cba203a251074ec77f39efd51880664bb04108d269b1cef450a7e5582)

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