# STC SP148NW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Pacific Propeller International LLC, United States
- Description: Installation of EAC propeller blades in Hamilton Standard hubs(blades AG100-OS and AG200-OS). (23D 40) (3D 40)
- Applied: October 7, 1974
- Status date: March 25, 2004
- Product: Propeller
- Certification basis: Part 21, Part 35
- Data sheets: [TCDS 249](https://openairdocs.org/tcds/249), [TCDS P-719](https://openairdocs.org/tcds/P-719)
- Certificate PDF: https://openairdocs.org/files/sha256/59/be/59bec650f29fc4c028325ad445db4dc71d933a94cac2a43f03e7a93d3fee146c
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/0A412B676FD8703886256E7B0065432E.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SP148NW

## ADs that name it (0)

None.

## Approved models (2)

- Hamilton Standard Division 23D ([TCDS P-719](https://openairdocs.org/tcds/P-719))
- 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 SP148NW 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-719-8 and 249 Make: Hamilton Standard Propeller Model: 3D40 and 23D40 Description of the Type Design Change: Installation of Pacific Propeller, Inc. AG100-OS and AG200-OS blades in Hamilton Stardard hubs as follows:

EAC AG100-OS blades in 3D40-201 and up hubs per FAA sealed Pacific Propeller, Inc. Drawing List No. 5000, dated March 31, 1975, and No. 76017, dated June 23, 1978, or later FAA seal revision thereto.

EAC AG200-OS blades in 23D40 hub per FAA sealed Pacific Propeller, Inc. Drawing List No. 5000, dated March 31, 1975, and No. 76017, dated June 23, 1978, or later FAA sealed revision thereto.

Limitations and Conditions: HP RPM DIAMETER 800 1463 108” 2% (cut off permitted) 600 1500 108” 2% (cut off permitted) This propeller is approved vibrationwise for normal category single engine tractor type aircraft with the following engines: Wright R1300-1B, Pratt & Whitney Nos. S1H1-G, R-1340-61, S3H1-G, R1340-59, R1340-AN2, and R1340-53, engines with 3:2 reduction gearing. 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: October 7, 1974 Date reissued: March 25, 2004 Date of issuance: December 20, 1974 Date amended: 2/28/75; 6/27/78; 3/25/04

(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/sha256/59/be/59bec650f29fc4c028325ad445db4dc71d933a94cac2a43f03e7a93d3fee146c)

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