# STC SA436NW

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Pacific Propeller International LLC, United States
- Description: Installation of WAC-2D30-425/AG-100-4S propeller assembly
- Applied: November 19, 1976
- Status date: June 30, 2005
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 1A16](https://openairdocs.org/tcds/1A16)
- Certificate PDF: https://openairdocs.org/files/sha256/21/db/21dba5358942f67f5eb342418a87c2d811b47f66b12451610025bb8f747b4061
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B296444D6DDAEBD98625703C0066F7F4.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA436NW

## ADs that name it (0)

None.

## Approved models (2)

- 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))

## 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 SA436NW This certificate, issued to: Pacific Propeller International LLC 5802 South 228 th Street Kent, WA 98032-1810 Part 8.10 of theCivil Air Regulations,effective October 11, 1950.

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

Description of the Type Design Change: Installation of EAC-2D30-425/AG-100-4S propeller assembly on Grumman American Models G-164A and G-164B aircraft in accordance with Pacific Propeller, Inc., Master Drawing List No. 76011, dated April 4, 1977.

Limitations and Conditions 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. SA436NW, and E.A.C. Installation Instruction No. 76011 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.)

This certificate and the supporting data which is the ba sis for approval shall remain in effect until surrendered, suspended, revoked, or a termination date is otherwise established by the Administrator of the Federal Aviation Administration.

Date of application: November 19, 1976 Date reissued: March 25, 2004 Date of issuance: April 13, 1977 Date amended: March 25, 2004; June 30, 2005

FAA FORM 8110-2(10-68 By direction of the Administrator

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

Pacific Propeller International LLC 5802 South 228th Street Kent, WA 98032-1810

Number SA436NW

**SUPPLEMENTAL TYPE CERTIFICATE ADDENDUM NO. SA436NW**

Reissued: 3/25/04 Amended: 3/25/04

Limitations and Conditions(Cont’d): The Conditions and Limitations of Type Certificate Data Sheet No. 1A16 apply except where superseded by the following:

This Supplemental Type Certificate Data Sheet, which is part of STC SA436NW, prescribes the conditions and limitations under which the product for which the STC was issued meets the airworthiness requirements of the Federal Aviation Administration.

GRUMMAN MODELS G-164A AND G-164B, 1 POLB (RESTRICTED AGRICULTURAL CATEGORY) AS MODIFIED BY STC SA436NW.

Engine: Pratt & Whitney 450 HP R-985-AN series engine

Engine Limits: Same as specified in Data Sheet

Propeller: Hamilton Standard 2D30-425 hub; AG-100-4S blades

Propeller Limits: Maximum Diameter – 104” (2% cut off permitted) Maximum RPM – 2300 Maximum HP – 600 Pitch Settings: 9.5  Low @ 42 “ radius

16.5 High @ 42” radius

Governor: Hamilton Standard Part No. 1A2 or 4A2 with Grumman Control Arm Assembly No A-1603.

## Every issue (2)

- June 30, 2005: Amended, Current. [certificate](https://openairdocs.org/files/sha256/21/db/21dba5358942f67f5eb342418a87c2d811b47f66b12451610025bb8f747b4061)
- March 25, 2004: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/a6/43/a6438a3b48ee1d110ee6987c15294817efe78ba09da070b08e77ebf36217117d), [SA436NW.CON.pdf](https://openairdocs.org/files/sha256/2d/83/2d834303c2df72412138bca0507486373208c6306b9e76e15624eb1ddfcc0947)

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