# STC ST09491AC-D

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Aviation Systems Standards, Aircraft Maintenance and Engineering Division AVN-300, United States
- Description: installation of ldentification Friend or Foe (fFF).
- Applied: September 22, 2008
- Status date: February 17, 2009
- Product: Aircraft, Large Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A21EA](https://openairdocs.org/tcds/A21EA)
- Certificate PDF: https://openairdocs.org/files/sha256/ce/c0/cec05448fa3c16d7f874808805732029c82d37bcb1ad48b0ed1312b4a1858d98
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/350BE203A762D33A86258249006213BE.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/ST09491AC-D

## ADs that name it (0)

None.

## Approved models (1)

- Bombardier Inc. CL-600-2B16 (CL-604) ([TCDS A21EA](https://openairdocs.org/tcds/A21EA))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

Uhled lates of Arra Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: ST09491 AC-D This certificate issued to: Aviation System Standards Aircraft Maintenance and Engineering Division, AVN-300 6500 S. MacArthur Boulevard Oklahoma City, OK 73169 Part 25 of the Federal Aviation Regulations.

Original Product - Type Certificate Number: A21EA Make: Bombardier Inc.

Model: CL-600-2B16 (CL-604) Description of Type Design Change:

Installation of Identification Friend or Foe (IFF). This alteration is to be made in accordance with data list D09491, dated February 10, 2009, or later approved FAA (DAS) revisions.

FAA approved airplane flight manual supplement, "IFF Transponder," dated February 10, 2009, or later approved FAA (DAS) revisions, is required. Compatibility of the alteration with other approved alterations is to be determined by the installer.

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.

Date of Application: September 22, 2008 Date Reissued:

Date of Issuance: February 17, 2009 Date Amended:

FEDERAL AVIATION By Direction of the Administrator Sary d. Slyr TO ISTRATO DAS Administrator (Title)

47.

## Every issue (1)

- February 17, 2009: Issued, Current. [certificate](https://openairdocs.org/files/sha256/ce/c0/cec05448fa3c16d7f874808805732029c82d37bcb1ad48b0ed1312b4a1858d98)

---
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.