# STC SR09531RC-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Bell Helicopter Textron Inc., United States
- Description: Improved Hover Performance with Above Minimum Specification Power Kit
- Applied: October 2, 2009
- Status date: February 1, 2011
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21, Part 27
- Data sheets: [TCDS H2SW](https://openairdocs.org/tcds/H2SW)
- Certificate PDF: https://openairdocs.org/files/sha256/c5/be/c5be3fb274be8b7eef08020f70ef08eccd51a565e744725757b495051eab4a17
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/613ADB5B7519DBDD86257C43006A8C0E.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SR09531RC-D

## ADs that name it (0)

None.

## Approved models (1)

- Bell Helicopter Textron Canada Limited 407 ([TCDS H2SW](https://openairdocs.org/tcds/H2SW))

## 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.

N umber SR09531RC-D This certificate issued to

Part 27 of the Federal Aviation R egulations.

Original Product -- Type Certificate N umber :

Improved Hover Performance with Above Minimum Specification Power Kit in accordance with BHTI Design Drawing 407-709-001, Revision Basic, dated January 18, 2010, or later FAA approved Revision.

Bell Helicopter Textron, Inc.

441 Industrial Park Rd.

Piney Flats, TN 37686 H2SW M ake : Bell Helicopter Textron Canada M odel : 407 Date of application : October 02, 2009

Date of issuance : February 18, 2010

Date reissued : March 30, 2010;

February 01, 2011

B y direction of the A dministrator

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

(Title)

FAA Form 8110-2-1(10-69) Page 2 of 3

FAA Form 8110-2-1(10-69) Page 3 of 3

Number SR09531RC-D Date of Issuance: February 18, 2010 Reissued Date: February 01, 2011

The Improved Hover Performance with Above Minimum Specification Power Kit is a cockpit decal limiting the use of above minimum-specification power to a generator load no greater than 50 amperes. It includes a Flight Manual Supplement (BHT-407-FMS-8) containing a set of Hover Ceiling Charts showing OGE and IGE hover performance with appropriate Area A and B tail rotor controllability limits. The Installation Instructions for Plus Power Kit, Report Number BHT-407-11-24, dated February 17, 2010, containing Federal Aviation Administration, Fort Worth Aircraft Evaluation Group accepted Instructions for Continued Airworthiness, is required. 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.

## Every issue (2)

- February 1, 2011: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/c5/be/c5be3fb274be8b7eef08020f70ef08eccd51a565e744725757b495051eab4a17)
- February 18, 2010: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/b0/c2/b0c2d31294b0957946ae3e7b9ffa34df67ac585ecde0b3e9e4cfc6895bfd0eba)

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