# STC SA195NW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Pacific Propeller International LLC, United States
- Description: Installation of O ring seals in place of Hamilton Standard leather seals in accordance with Pacific Propeller, Inc. Drawing List No. 5001, dated June 24, 1975, or later FAA approved revision.
- Applied: December 14, 1974
- Status date: March 25, 2004
- Product: Propeller
- Certification basis: Part 21, Part 35
- Data sheets: [TCDS 249](https://openairdocs.org/tcds/249)
- Certificate PDF: https://openairdocs.org/files/sha256/1e/62/1e6215267c9d54cb24a3ced1c2b23cfd73dce550e801cd96e91d7b452e0612bc
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/632B6A2C259E095D86256E7800668D50.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA195NW

## ADs that name it (0)

None.

## Approved models (1)

- Hamilton Standard Division 3D ([TCDS 249](https://openairdocs.org/tcds/249))

## 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 SA195NW This certificate, issued to: Pacific Propeller International LLC 5802 South 228th Street Kent, WA 98032-1810

Part 35 of the Federal Aviation Regulations, dated January 1, 1973.

Original Product Type Certificate Number: 249 Make: Hamilton Standard Model: 3D40

Description of the Type Design Change: Installation of “O” ring seals in place of Hamilton Standard leather seals in accordance with Pacific Propeller, Inc. Drawing List No. 5001, dated June 24, 1975, or later FAA approved revision.

Limitations and Conditions: This approval limited to use in 3D40 propellers installed on Wright R-1300- 1B engines:

Maximum propeller RPM 1463 Maximum horsepower 800 HP Seal assembly must be inspected every 250 hours of operation in accordance with Pacific Propeller Inspection Instructions No. P.P.I. 155.

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 14, 1974 Date reissued: March 25, 2004 Date of issuance: July 2, 1975 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/sha256/1e/62/1e6215267c9d54cb24a3ced1c2b23cfd73dce550e801cd96e91d7b452e0612bc)

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