# STC SA434NW

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Pacific Propeller International LLC, United States
- Description: Installation of EAC-12D40-AG-100S-4S prop on Pratt & Whitney R-1340-AN-1 engine.
- Applied: November 19, 1976
- Status date: March 25, 2004
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 1A16](https://openairdocs.org/tcds/1A16)
- Certificate PDF: https://openairdocs.org/files/sha256/bb/de/bbdeee11a80bb7ded905a0cb4e0e520b17022763ebf030b2cbe75d7bb5a5a9ab
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/D4AEABC052F0DA7086256E7B00634BA5.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA434NW

## ADs that name it (0)

None.

## Approved models (3)

- Allied Ag Cat Productions Inc. G-164 ([TCDS 1A16](https://openairdocs.org/tcds/1A16))
- Allied Ag Cat Productions Inc. G-164B ([TCDS 1A16](https://openairdocs.org/tcds/1A16))
- Allied Ag Cat Productions Inc. G-164C ([TCDS 1A16](https://openairdocs.org/tcds/1A16))

## 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 SA434NW This certificate, issued to: Pacific Propeller International LLC 5802 South 228th Street Kent, WA 98032-1810 Part 8 of theCivil Air Regulations,effective October 11, 1950.

Original ProductType Certificate Number: 1A16 Make: Grumman Model: G-164A, G-164B, and G-164C

Description of the Type Design Change: Installation of Pacific Propeller, Inc. EAC-12D40-425/ AG-100-4S and EAC-22D40-403/AG-200-4S propellers, governors, and associated systems on Pratt & Whitney R-1340-AN1 engine in accordance with FAA seal Pacific Propeller, Inc., Installation Instruction Nos. E.A.C 1009 and 1017A respectively.

Limitations and Conditions: Data is suitable for reproduction and installation on all Grumman Model G- 164 Series, Serial Nos. 401 and up. The approval of the change in type design applies basically to the above model aircraft only. This approval should not be extended to other aircraft 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 aircraft. A copy of this Certificate, Addendum No. SA434NW, and E.A.C. Installation Instruction Nos. 1009 and 1017A shall be maintained as part of the permanent records for the modified aircraft.

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. (See Continuation Sheet, Page 3.)

Date of application: November 19, 1976 Date reissued: March 25, 2004 Date of issuance: April 8, 1977 Date amended: 11/24/78; 3/12/79; 7/24/79; 3/25/04

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

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

## Every issue (1)

- March 25, 2004: Amended, Current. [certificate](https://openairdocs.org/files/sha256/bb/de/bbdeee11a80bb7ded905a0cb4e0e520b17022763ebf030b2cbe75d7bb5a5a9ab)

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