# STC ST09478AC-D

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Aviation Systems Standards, Aircraft Maintenance and Engineering Division AVN-300, United States
- Description: Installation of Radio Frequency Interference (RFI) Direction-Finding (DF) system
- Applied: August 15, 2002
- Status date: February 28, 2003
- Product: Aircraft, Large Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A21EA](https://openairdocs.org/tcds/A21EA)
- Certificate PDF: https://openairdocs.org/files/sha256/99/61/9961b0cec813de1d4cccedec4fa055009e7073686107ac1a138a434cc411d83d
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/502E2CA14D75C1EE8625824E00590A6F.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/ST09478AC-D

## ADs that name it (0)

None.

## Approved models (1)

- Bombardier Inc. CL-600-2B16 (CL-601-3R) ([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.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: ST09478AC-D This certificate issued to: Aviation System Standards Flight Inspection Maintenance Division, AVN-300 6500 S. MacArthur Boulevard Oklahoma City, OK 73169 Part 25 of the Federal Aviation Regulations.

Original Product - Jype Certificale Number: A21EA Make: Bombardier Inc.

Model: CL-600-2B16 (CL-601-3R) Description of Type Design Change:

Installation of Radio Frequency Interference (RFI) Direction-Finding (DF) System. This alteration is to be made in accordance with data list D09478, dated February 28, 2003, or later approved FAA (DAS) revisions.

FAA approved airplane flight manual supplement, Radio Frequency Interference Direction-Finding System," dated February 28, 2003, 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: August 15, 2002 Date Reissued:

Date of Issuance: February 28, 2003 Date Amended:

FEDERAL AVIATION By Direction of the Administrator Brent Rogers (Signature) TOM IN ISTRATO DAS Coordinator (Title)

## Every issue (1)

- February 28, 2003: Issued, Current. [certificate](https://openairdocs.org/files/sha256/99/61/9961b0cec813de1d4cccedec4fa055009e7073686107ac1a138a434cc411d83d)

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