# STC SA2385NM

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Pacific Propeller International LLC, United States
- Description: Installation of Pacific Propeller Inc 22D40/AG200-2 and 12D40/AG100-2 propellers, governors, and associated systems.
- Applied: February 3, 1984
- Status date: June 30, 2005
- Product: Aircraft, Single-Engine
- Certification basis: Part 21, Part 23
- Data sheets: [TCDS A9SW](https://openairdocs.org/tcds/A9SW)
- Certificate PDF: https://openairdocs.org/files/sha256/e1/bc/e1bce5cf10458368529e52f7cd86c1cf0132c7d2bdbecc9fbe57e278343a217d
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/9BE142BAF595E1DB8625703C00665145.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2385NM

## ADs that name it (0)

None.

## Approved models (1)

- Air Tractor Inc. AT-301 ([TCDS A9SW](https://openairdocs.org/tcds/A9SW))

## 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 SA2385NM This certificate, issued to: Pacific Propeller International LLC 5802 South 228th Street Kent, WA 98032-1810 Parts 21.25 and 23 of the Federal Aviation Regulations.

Original Product⎯Type Certificate Number: A9SW Make: Air Tractor Model: AT-301

Description of the Type Design Change: Installation of Pacific Propeller, Inc. 22D40/AG200-2 and 12D40/AG100-2 propellers, governors, and associated systems on Pratt & Whitney R-1340 series engines in accordance with FAA sealed Pacific Propeller, Inc. Installation Instructions No. 8006 and 8007, respectively.

Limitations and Conditions: The approval of this change in type design applies to the above model aircraft only. This approval should not be extended to other aircraft of this model on which other previously approved modifications, including changes in type design are incorporated, unless it is determined that the interrelationship between this change and any other previously approved modifications will introduce no adverse effect upon the airworthiness of that aircraft. A copy of this Certificate, Addendum No. SA2385NM, and Pacific Propeller Installation Instructions Nos. 8006 and 8007 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 2.)

Date of application: February 3, 1984 Date reissued: March 25, 2004 Date of issuance: June 4, 1984 Date amended: March 25, 2004; June 30, 2005

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

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

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

Number SA2385NM

**SUPPLEMENTAL TYPE CERTIFICATE ADDENDUM NO. SA2385NM**

Reissued: 3/25/04 Amended: 6/30/05

Limitations and Conditions(Cont’d): The Conditions and Limitations of Type Certificate Data Sheet No. A9SW apply except where superseded by the following:

This Supplemental Type Certificate Data Sheet, which is part of STC SA2385NM, prescribes the conditions and limitations under which the product for which the STC was issued meets the airworthiness requirements of the Federal Aviation Administration.

**AIR TRACTOR MODEL AT-301 1 PCLM (RESTRICTED CATEGORY) AS MODIFIED BY STC SA2385NM.**

Engine: Pratt & Whitney R-1340-AN-1, S1H1 and S3H1

Engine Limits: Same as specified in Data Sheet A9SW

Propeller and Propeller Limits: 1. Hamilton Standard 22D40/AG200-2 Diameter 106” (2% cut off permitted) RPM: 2250 @ 36 in. Hg. (sea level) H.P. 600 Pitch Setting: 12º Low; 35° High @ 42” sta.

Governor: 4G10-21

2. Hamilton Standard 12D40/AG100-2 Diameter 106” (2% cut off permitted) RPM: 2250 @ 36 in. Hg. (sea level) H.P. 600 Pitch Setting: 12º Low; 26° High @ 42” sta.

Governor: 1M12 or 4M12

- END -

## Every issue (1)

- June 30, 2005: Amended, Current. [certificate](https://openairdocs.org/files/sha256/e1/bc/e1bce5cf10458368529e52f7cd86c1cf0132c7d2bdbecc9fbe57e278343a217d)

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