# STC SP952NW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Pacific Propeller International LLC, United States
- Description: Installation of Pacific Propeller, Inc. Extension Shaft-Assembly P/N PPI-7014-1 and Piston Assembly P/N PPI-7018 in the HSP-22D30 Hub Assembly and P/N 7017-1 Extension Shaft Assembly and Piston Assembly PPI-7018 in the HSP-22D40 Hub Assembly per Pacific Propeller Drawing List No. 76020, dated June 5, 1980, or later FAA Sealed Revision thereto.
- Applied: April 14, 1977
- Status date: March 25, 2004
- Product: Propeller
- Certification basis: Part 21, Part 35
- Data sheets: [TCDS P-736](https://openairdocs.org/tcds/P-736)
- Certificate PDF: https://openairdocs.org/files/sha256/5f/d1/5fd10732fa0a679dec3277b6dce8e68eb926dd3885a60ab0527d4be6f0448dcc
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F789E1FA7E82DBDB86256E7B0067195A.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SP952NW

## ADs that name it (0)

None.

## Approved models (1)

- Hamilton Standard Division 22D ([TCDS P-736](https://openairdocs.org/tcds/P-736))

## 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 SP952NW This certificate, issued to: Pacific Propeller International LLC 5802 South 228th Street Kent, WA 98032-1810 Part 35 of theFederal Aviation Regulations, dated January 1, 1973.

Original ProductType Certificate Number: P-736-8 Make: Hamilton Standard Model: 22D30 and 22D40

Description of the Type Design Change: Installation of Pacific Propeller, Inc. Extension Shaft- Assembly P/N PPI-7014-1 and Piston Assembly P/N PPI-7018 in the HSP-22D30 Hub Assembly and P/N 7017-1 Extension Shaft Assembly and Piston Assembly PPI-7018 in the HSP-22D40 Hub Assembly per Pacific Propeller Drawing List No. 76020, dated June 5, 1980, or later FAA Sealed Revision thereto.

Limitations and Conditions: This approval should not be extended to other propellers of this model on which other previously approved modifications are incorporated unless it is determined that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of that propeller.

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: April 14, 1977 Date reissued: March 25, 2004 Date of issuance: June 19, 1980 Date amended: March 25, 2004

(Signature) Acting Manager, Seattle Aircraft Certification Office (Title)

**FAA FORM 8110-2(10-68**

## Every issue (1)

- March 25, 2004: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/5f/d1/5fd10732fa0a679dec3277b6dce8e68eb926dd3885a60ab0527d4be6f0448dcc)

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