# STC SR01849AT

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Bell Helicopter Textron Inc., United States
- Description: Installation of Replacement Lightweight Composite Nitrogen Reservoir Kit in accordance with Aeronautical Accessories, Inc. Drawing List Report No. AA-98143, Revision A, dated February 26, 1999, or later FAA approved revisions.
- Applied: March 17, 1998
- Status date: June 6, 2011
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21, Part 29
- Data sheets: [TCDS H4SW](https://openairdocs.org/tcds/H4SW)
- Certificate PDF: https://openairdocs.org/files/sha256/38/72/38728fdc79526ad786613ca1948de2327507b700359da9123de4f0e7706066d3
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F92E850159827D84862578EF00784ED7.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SR01849AT

## 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

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.

Number SR01849AT This certificate issued to

Part 29 of the Federal Aviation Regulations.

Installation of Replacement Lightweight Composite Nitrogen Reservoir Kit in accordance with Aeronautical Accessories, Inc. Drawing List Report No. AA-98143, Revision A, dated February 26, 1999, or later FAA approved revisions.

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

Bell Helicopter Textron, Inc.

441 Industrial Park Road Piney Flats, TN 37686 H4SW Make : Bell Helicopter Textron Model : 212, 412, 412EP Date of application : March 17, 1998

Date of issuance : March 04, 1999

Date reissued : June 06, 2011

( Signature) James A. Richmond, Acting Manager Rotorcraft Certification Office, Southwest Region

( Title)

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

## Every issue (1)

- June 6, 2011: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/38/72/38728fdc79526ad786613ca1948de2327507b700359da9123de4f0e7706066d3)

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