# STC SR00846NY

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Alpine Aerotech Ltd., Canada
- Description: Fabrication and installation of an Alpine Aerotech Ltd. exhaust deflector/ejector assembly
- Applied: April 29, 1998
- Status date: June 10, 1998
- Product: Aircraft, Rotorcraft
- Certification basis: Part 29
- Foreign approvals: TCCA SH97-80 Issue 1
- Data sheets: [TCDS H4SW](https://openairdocs.org/tcds/H4SW)
- Certificate PDF: https://openairdocs.org/files/sha256/21/3d/213d4ae9007b15469ac1a13d3839b311fbe4adece9e409408697c6eff8cdf9d6
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID109314346320240920134854.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SR00846NY

## ADs that name it (0)

None.

## Approved models (3)

- 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 412EP ([TCDS H4SW](https://openairdocs.org/tcds/H4SW))

## 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 SRO0846NY This certificate issued to: Alpine Aerotech Ltd.

1260 Industrial Road Kelowna, B.C. Canada, VIZ 1G5 Purt 29/21.29 of the Federal Aviation Regulations.

Original Product -- Type Certificate Number : HASW Make: Bell Helicopter Textron Model: 212, 412, 412EP Description of Type Design Change:

Fabrication and installation of an Alpine Aerotech Ltd. exhaust ejector/deflector assembly.

(1) Exhaust Ejector/Deflector assembly fabrication and installation is to be carried out in accordance with the applicable Bell Helicopter company Maintenance manual and the Alpine Aerotech Ltd. Master Drawing List D191M- 96-048 Rev. A, dated October 14, 1997.

(2) Bell Model 412CF helicopters are excluded from this STC.

Date of Application: April April 1998 Date Reissued:

Date of Issuance: June 10, 1998 Date Amended:

FEDERAL AVIATION By Direction of the Administrator (Signature) TOMINSTRATOR Vito A. Pulera Manager, New York Aircraft Certification Office (Title)

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

(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.

FAA Form 8110-2-1(10-69) Page 2 of 2

## Every issue (1)

- June 10, 1998: Issued, Current. [certificate](https://openairdocs.org/files/sha256/21/3d/213d4ae9007b15469ac1a13d3839b311fbe4adece9e409408697c6eff8cdf9d6)

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