# STC SR00646AT

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Bell Helicopter Textron Inc., United States
- Description: Installation of replacement low skid landing gear crosstubes.
- Applied: February 8, 1994
- Status date: February 16, 2012
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21, Part 29
- Data sheets: [TCDS H79EU](https://openairdocs.org/tcds/H79EU), [TCDS H1SW](https://openairdocs.org/tcds/H1SW), [TCDS H4SW](https://openairdocs.org/tcds/H4SW)
- Certificate PDF: https://openairdocs.org/files/sha256/d7/0e/d70eb1200125add7038af26e4710f8b14eb62f1e567e6f5c94c479d357357237
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/98EE99EDE114F38C86257AA7005020A6.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SR00646AT

## ADs that name it (0)

None.

## Approved models (9)

- Agusta S.p.A. AB412 ([TCDS H79EU](https://openairdocs.org/tcds/H79EU))
- Agusta S.p.A. AB412 EP ([TCDS H79EU](https://openairdocs.org/tcds/H79EU))
- Bell Helicopter Textron Inc. 205A ([TCDS H1SW](https://openairdocs.org/tcds/H1SW))
- Bell Helicopter Textron Inc. 205A-1 ([TCDS H1SW](https://openairdocs.org/tcds/H1SW))
- Bell Helicopter Textron Inc. 205B ([TCDS H1SW](https://openairdocs.org/tcds/H1SW))
- Bell Helicopter Textron Inc. 212 ([TCDS H4SW](https://openairdocs.org/tcds/H4SW))
- Bell Helicopter Textron Inc. 412 ([TCDS H4SW](https://openairdocs.org/tcds/H4SW))
- Bell Helicopter Textron Inc. 412CF ([TCDS H4SW](https://openairdocs.org/tcds/H4SW))
- Bell Helicopter Textron Inc. 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 SR00646AT This certificate issued to

Part 7 and 29 of the Civil Air and Federal Aviation Regulations.

Installation of replacement low skid landing gear crosstubes in accordance with Aeronautical Accessories, Inc. Drawing List, Report No. AA-94042, Revision B, dated January 20, 1995 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 H1SW; H4SW; H79EU Make : Bell Helicopter Textron Inc.; Bell Helicopter Textron; Agusta S.p.A.

Model : 205A, 205A-1, 205B, 212, 412, 412EP, 412CF, AB412, AB412EP Date of application : February 08, 1994

Date of issuance : January 24, 1995

Date reissued : February 16, 2012

Date amended : February 24, 1995, July 19, 2000

( Signature) Scott A. Horn, Acting Manager, Rotorcraft Certification Office, Southwest Region

( Title)

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

## Every issue (1)

- February 16, 2012: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/d7/0e/d70eb1200125add7038af26e4710f8b14eb62f1e567e6f5c94c479d357357237)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.