# STC SR09153RC

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Benz Airborne Systems, United States
- Description: Installation of a Benz BAS-212/412-100G Main Transmission and Combining Gear Box Oil Pressure Transducers.
- Applied: December 14, 1996
- Status date: May 25, 2007
- 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/c9/7c/c97c5ab528bf7a5202b3aca791fec08d8e71ed0298368f070cfda4b890dee1a2
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/0F526FADB0B3BF1D862572EA006E9F17.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SR09153RC

## 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.

Number SR09153RC This certificate issued to

Part 29 of the Federal Aviation Regulations.

Description of Type Design Change: Installation of a Benz BAS-212/412-100G Main Transmission and Combining Gear Box Oil Pressure Transducers in accordance with Benz Airborne Systems Drawing List 902-0007, Revision D, dated May 22, 2007, or later FAA approved revision.

Limitations and Conditions: The installer must determine whether this design changes 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.

Benz Companies, Inc., a Texas Corp.

dba Benz Airborne Systems 2400 Handley-Ederville Road Fort Worth, TX 76118 H4SW Make : Bell Helicopter Textron Model : 212 ; 412 ; 412EP ; 412CF

Date of application : December 14, 1996

Date of issuance : February 19, 1997

Date reissued : January 15, 1999

Date amended : May 25, 2007

( Signature) Lance T. Gant, Manager Rotorcraft Certification Office, Southwest Region

( Title)

**ST1604RC-R ASW-170 JLK**

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

## Every issue (1)

- May 25, 2007: Amended, Current. [certificate](https://openairdocs.org/files/sha256/c9/7c/c97c5ab528bf7a5202b3aca791fec08d8e71ed0298368f070cfda4b890dee1a2)

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