# STC SR02988CH

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Donaldson Company Inc., United States
- Description: Installation of Inlet Barrier Filter system in accordance with Aerospace Filtration Systems, Inc. Drawing 124001-010, Revision C, dated May 26, 2011, or later FAA approved revision.
- Applied: May 18, 2010
- Status date: November 21, 2017
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H7EU](https://openairdocs.org/tcds/H7EU)
- Certificate PDF: https://openairdocs.org/files/sha256/f9/67/f9673e277cc1d9b7824115f20e401e4c1a19cbb9589952d346e8d96e5800ceba
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/93A81F8F2ECAF265862587B200319060.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SR02988CH

## ADs that name it (0)

None.

## Approved models (3)

- Agusta S.p.A. A109E ([TCDS H7EU](https://openairdocs.org/tcds/H7EU))
- Agusta S.p.A. A109S ([TCDS H7EU](https://openairdocs.org/tcds/H7EU))
- Agusta S.p.A. AW109SP ([TCDS H7EU](https://openairdocs.org/tcds/H7EU))

## 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: SR02988CH This certificate issued to: Donaldson Company, Inc.

17891 Chesterfield Airport Road Chesterfield, MO 63005 Part 27 of the Federal Aviation Argulations. See Type Certificate Data Sheet HEU for complete certification basis.

Original Product -Type Certificate Number: H7EU Abatic : Agusta S.p.A.

A109E, A109S, AW 109SP Description of Type Design Change:

Installation of Inlet Barrier Filter system in accordance with Donaldson Company, Inc. Drawing 124000-010, Revision C, dated May 26, 2011, or later FAA approved revision.

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

2. FAA Approved Rotorcraft Flight Manual Supplement, AFS-AA109-IBF-FMS, approved on June 20, 2011, or later FAA approved revision is required.

3. Instructions for Continued Airworthiness, AFS-AA109-IBF-ICA, Revision A, dated June 8, 2011 or later FAA Accepted 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.

... End...

Date of Application: May 18,2010 Date Reissued: March 8, 2012, November 21, 2017 Dute unended :

Date of Issuance: June 30, 2011 By Direction of the Administrator

FEDERAL AVIATION * (Signature) › Roy E. Boffo III TOMINISTRATO Manager, Propulsion & Program Management Section Chicago ACO Branch (Title)

FAA FOR- 8110-2 (10-68) PAGE 1 of 2 PAGES

## Every issue (3)

- November 21, 2017: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/f9/67/f9673e277cc1d9b7824115f20e401e4c1a19cbb9589952d346e8d96e5800ceba)
- March 8, 2012: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/b4/36/b436051b11725c9971fcf3277753a6860f228ed07fa71ee33ced3ff4d7c4f1b1)
- June 30, 2011: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/e3/13/e3134db6d4b01d46d7eefa06cdc83229da87486da24d44c23ad20e59c0aa98e0)

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