# STC SR02251NY

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Alpine Aerotech Ltd, Canada
- Description: Installation of Cowling Baffle Screen.
- Applied: July 22, 2005
- Status date: April 12, 2006
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21, Part 29
- Data sheets: [TCDS H4SW](https://openairdocs.org/tcds/H4SW)
- Certificate PDF: https://openairdocs.org/files/sha256/e7/b3/e7b363ca7016cda281052b4d10366cf4d3fae3d07ccbb3dcf8e2dc4c1d55df18
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F9FEAADB09A7D38C8625719300504200.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SR02251NY

## ADs that name it (0)

None.

## Approved models (4)

- Bell Helicopter Textron 212 ([TCDS H4SW](https://openairdocs.org/tcds/H4SW))
- Bell Helicopter Textron 412 ([TCDS H4SW](https://openairdocs.org/tcds/H4SW))
- Bell Helicopter Textron 412CF ([TCDS H4SW](https://openairdocs.org/tcds/H4SW))
- Bell Helicopter Textron 412EP ([TCDS H4SW](https://openairdocs.org/tcds/H4SW))

## 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.

FAA Form 8110-2(10-68) Page 1 of 1 IMPORT Number SR02251NY This certificate issued to Alpine Aerotech LTD 1260 Industrial Road Kelowna, B.C., Canada V1Z 1G5

Part 29 of the Federal Aviation Regulations.

Original Product -- Type Certificate Number : H4SW Make : Bell Helicopter Textron

Model : 212, 412, 412CF, 412EP

Installation of Cowling Baffle Screen in accordance with Alpine Aerotech, Ltd. (AAL) Cowling Baffle Screen Installation Instructions Document No. AAL-232-24-001, Rev. NI, Transport Canada approved August 3, 2005, or later Transport Canada approved revisions.

1. Modified rotorcraft shall be maintained in accordance with AAL Cowling Baffle Screen Maintenance Manual Supplement, Document Number AAL-232-025-101 Rev. NI, Transport Canada accepted August 3, 2005, or later Transport Canada accepted revisions.

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

3. If the holder agrees to permit another person to use the certificate to alter the product, the holder shall give the other pers on written evidence of that permission.

Date of application : July 22, 2005

Date of issuance : April 12, 2006 Date reissued :

( Signature) Anthony Socias Manager New York Aircraft Certification Office

(Title)

## Every issue (1)

- April 12, 2006: Issued, Current. [certificate](https://openairdocs.org/files/sha256/e7/b3/e7b363ca7016cda281052b4d10366cf4d3fae3d07ccbb3dcf8e2dc4c1d55df18)

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