# STC SR02393CH

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Donaldson Company Inc, United States
- Description: Installation of an Inlet Barrier Filter system
- Applied: October 20, 2006
- Status date: November 21, 2017
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H9EU](https://openairdocs.org/tcds/H9EU)
- Certificate PDF: https://openairdocs.org/files/sha256/7f/90/7f901ba37c378b6fd310d987a11b745c31f84090870ae89ac0ecc66a49ce534e
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/9EB9C6DAF1BE51E78625889A002269B6.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SR02393CH

## ADs that name it (0)

None.

## Approved models (5)

- Eurocopter France AS-350B ([TCDS H9EU](https://openairdocs.org/tcds/H9EU))
- Eurocopter France AS-350B1 ([TCDS H9EU](https://openairdocs.org/tcds/H9EU))
- Eurocopter France AS-350B2 ([TCDS H9EU](https://openairdocs.org/tcds/H9EU))
- Eurocopter France AS-350B3 ([TCDS H9EU](https://openairdocs.org/tcds/H9EU))
- Eurocopter France AS-350BA ([TCDS H9EU](https://openairdocs.org/tcds/H9EU))

## 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.

SR02393CH Donaldson Company, Inc.

17891 Chesterfield Airport Road Chesterfield, MO 63005

27 Federal Aviation See Type Certificate Data Sheet H9EU for complete certification basis .

H9EU Eurocopter France AS350B, AS350B1, AS350B2, AS350BA, AS350B3

Installation of an Inlet Barrier Filter system in accordance with Donaldson Company, Inc. Drawing 112005, Revision A, dated October 26, 2006, or later FAA approved revision.

1) Compatibility of this design change with previously approved modifications must be determined by the installer.

2) FAA Approved Aircraft Flight Manual Supplement, AFS-AS350B-IBF-FMS, Revision Initial Release, dated March 12, 2007, or later FAA approved revision is required.

3) Instructions for Continued Airworthiness, AFS-AS350B-IBF-ICA, Revision Initial Release, dated March 19, 2007, or later FAA Approved revision is required.

4) 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.

October 20, 2006 March 20, 2007 May 26, 2011, June 8, 2012, November 21, 2017 (Signature) Roy E. Boffo III Manager, Propulsion & Program Management Section Chicago ACO Branch

(Title)

## Every issue (3)

- November 21, 2017: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/7f/90/7f901ba37c378b6fd310d987a11b745c31f84090870ae89ac0ecc66a49ce534e)
- June 8, 2012: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/39/e2/39e2ed9ba62b29c18f994f1b9194c4cf979e5a5adb24debcbdb1610222f9a66b)
- May 26, 2011: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/14/aa/14aa9d3cb264df551f5e78f8cd9019f9bc14770918a1142181b534e86729e6bb)

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