# STC SR02794CH

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Donaldson Company Inc., United States
- Description: Installation of a an Inlet Barrier Filter (IBF)
- Applied: July 2, 2008
- Status date: November 15, 2017
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H9SW](https://openairdocs.org/tcds/H9SW)
- Certificate PDF: https://openairdocs.org/files/sha256/7b/34/7b345fd5ae86e77b36e500dd4b36d29ae4418e42b802f9a97d8984087b42e545
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E08CE04228AF68028625889A00235BBE.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SR02794CH

## ADs that name it (0)

None.

## Approved models (2)

- Bell Helicopter Textron A Division of Textron Canada 230 ([TCDS H9SW](https://openairdocs.org/tcds/H9SW))
- Bell Helicopter Textron A Division of Textron Canada 430 ([TCDS H9SW](https://openairdocs.org/tcds/H9SW))

## 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.

SR02794CH Donaldson Company, Inc.

17891 Chesterfield Airport Road Chesterfield, Missouri 63005

29 Federal Aviation See Type Certificate Data Sheet H9SW for complete certification basis.

H9SW Bell 230, 430 Installation of an Inlet Barrier Filter (IBF) System in accordance with Donaldson Company, Inc. Installation- IBF System Drawing No. 118000-010, Revision C, dated August 27, 2009, or later FAA Approved revision.

1. The installer must determine whether this design change is compatible with previously approved modifications.

2. FAA Approved Rotorcraft Flight Manual Supplement, AFS-BH430-IBF-FMS, Revision IR, approved on December 22, 2009, or later FAA Approved revision, is required.

3. Instructions for Continued Airworthiness, AFS-BH430-IBF-ICA, Revision A, dated August 24, 2009 or later FAA Approved revision is required.

4. If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission.

...End...

July 2, 2008

December 22, 2009 February 21, 2017, November 15, 2017 September 23, 2011 Roy E. Boffo III (Signature) Manager, Propulsion & Program Management Section Branch Chicago Aircraft

(Title)

## Every issue (3)

- November 15, 2017: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/7b/34/7b345fd5ae86e77b36e500dd4b36d29ae4418e42b802f9a97d8984087b42e545)
- September 23, 2011: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/a1/5f/a15f24d4c87394b03455037977c5b06170a6da5e61dc34cde9452e9024824b2b)
- December 22, 2009: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/cc/0c/cc0c39b5c4038325bb019fc353b2574ec6ebeb748cf47dc1c0873d6dfe922fbe)

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