# STC SH5976NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Hillsboro Aviation Inc, United States
- Description: Combine installation of new rotor blades approved under STC SH5132NM and installation of Allied Signal Model T5317A or T5317B engines approved under STC SH2394NM.
- Applied: December 12, 1991
- Status date: June 7, 2016
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H1SW](https://openairdocs.org/tcds/H1SW)
- Certificate PDF: https://openairdocs.org/files/sha256/32/d6/32d6e65410dc69e632fbebe742900a832d58d504530bfc61dd8683b669049a0c
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/5CD8EB24959DE03586257FCB007460DA.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SH5976NM

## ADs that name it (1)

- [AD 2011-23-02](https://openairdocs.org/ad/2011-23-02): Main rotor blade (blade) assemblies · Bell Helicopter Textron 205A-1, 205B, 210 and 1 more. Effective Nov 21, 2011. Cited in the text

## Approved models (1)

- Bell Helicopter Textron 205A-1 ([TCDS H1SW](https://openairdocs.org/tcds/H1SW))

## 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 SH5976NM

This certificate, issued to Hillsboro Aviation, Inc.

3845 NE 30th Avenue Hillsboro, OR 97124

Part 7 of the Civil Air Regulations.

Original ProductType Certificate Number: H1SW Make: Bell Model: 205A-1

Description of the Type Design Change: Combine installation of new rotor blades approved under Supplemental Type Certificate (STC) SH5132NM and installation of Allied Signal Model T5317A or T5317B engines approved under STC SH2394NM.

Limitations and Conditions: Approval of this change in type design applies to the above model rotorcraft only.

This approval should not be extended to other rotorcraft of these models on which other previously approved modifications are incorporated unless it is determined that the relationship between this change and any of those other previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of that rotorcraft. A copy of this certificate and Rotorcraft Flight Manual Supplement, dated July 16, 1993 (T5317A engine), later FAA-approved revision, or May 1, 1998 (T5317B engine), or later FAA-approved revision, must be maintained as part of the permanent records for the modified rotorcraft.

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.

Date of application: December 12, 1991 Date reissued: December 5, 2013; June 7, 2016 Date of issuance: July 20, 1993 Date amended: May 1, 1998

(Signature)

Manager, Seattle Aircraft Certification Office (Title)

## Every issue (2)

- June 7, 2016: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/32/d6/32d6e65410dc69e632fbebe742900a832d58d504530bfc61dd8683b669049a0c)
- June 29, 1998: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/7a/22/7a22c78ed13a5fae80f12f28c1e7bb2315f667f07fc0dfb940d4560dad7eed20)

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