# STC ST209CH

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Acron Aviation Inc., United States
- Description: Installation of a model TCAS 791 TCAS I.
- Applied: March 25, 1994
- Status date: April 1, 2025
- Product: Aircraft, Large Airplane
- Certification basis: Part 25
- Data sheets: [TCDS A21EA](https://openairdocs.org/tcds/A21EA)
- Certificate PDF: https://openairdocs.org/files/sha256/70/ce/70ce4c3c8a69dc7f7362d8612d0df246fead99eeeac4460d77af6c4501cdd64a
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID148872974620250806163105.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST209CH

## ADs that name it (0)

None.

## Approved models (5)

- Bombardier Inc. CL-600-1A11 (CL-600) ([TCDS A21EA](https://openairdocs.org/tcds/A21EA))
- Bombardier Inc. CL-600-2A12 (CL-601) ([TCDS A21EA](https://openairdocs.org/tcds/A21EA))
- Bombardier Inc. CL-600-2B16 (CL-601-3A) ([TCDS A21EA](https://openairdocs.org/tcds/A21EA))
- Bombardier Inc. CL-600-2B16 (CL-601-3R) ([TCDS A21EA](https://openairdocs.org/tcds/A21EA))
- Bombardier Inc. CL-600-2B16 (CL-604) ([TCDS A21EA](https://openairdocs.org/tcds/A21EA))

## 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.

ST209CH Acron Aviation, Inc.

5353 52nd Street South East Grand Rapids, MI 49512-9704 Part 25 the Federal Aviation Regulations A21EA Bombardier Inc.

CL-600-1A11, CL-600-2A12, and CL-600-2B16 Installation of a Model TCAS 791 TCAS I in accordance with ElectroSonics Drawing ES600-3007-01, Revision 1, dated May 8, 1994, 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, FAA Approved on May 31, 1994, or later FAA Approved revision is required on board for operation of the modified 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.

March 25, 1994 May 31, 1994 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

ST209CH 2

## Every issue (2)

- April 1, 2025: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/70/ce/70ce4c3c8a69dc7f7362d8612d0df246fead99eeeac4460d77af6c4501cdd64a)
- December 12, 2022: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/97/d7/97d778939ffb7ebb005f0bf799a79f4bbf593d0120ff24295d2e22b429730ee8)

---
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.
