# STC SP7WE

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Pacific Propeller International LLC, United States
- Description: Installation of Efficiency Aircraft Components, Inc. propeller blades in Hamilton Standard hubs as follows:

1.	E.A.C.AG-100-2 propeller blades in 2D30 and 12D40 hubs in accordance with FAA sealed E.A.C. Installation Instructions No. 100 and in 3D40 hubs in accordance with FAA sealed E.A.C. Installation Instructions No. 400.
2.	E.A.C. AG-200-2 propeller blades in 22D30, 22D40, and 23D40 hubs in accordance with FAA sealed E.A.C. Installation Instructions No. 200, 300, and 500 respectively.
- Applied: February 20, 1967
- Status date: June 30, 2005
- Product: Propeller
- Certification basis: Part 21, Part 35
- Data sheets: [TCDS P-206](https://openairdocs.org/tcds/P-206), [TCDS P-257](https://openairdocs.org/tcds/P-257), [TCDS P-719](https://openairdocs.org/tcds/P-719), [TCDS P-736](https://openairdocs.org/tcds/P-736), [TCDS TC 249](https://openairdocs.org/tcds/TC%20249)
- Certificate PDF: https://openairdocs.org/files/sha256/64/b5/64b5ce1bb7b8c7c4e8dd8aedca15b1101e8781e71945d0c4835abe0c031a73f9
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/4E0F8DFDD8CAC6BE8625703C00682372.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SP7WE

## ADs that name it (0)

None.

## Approved models (5)

- Hamilton Standard Division 12D40 ([TCDS P-257](https://openairdocs.org/tcds/P-257))
- Hamilton Standard Division 22D ([TCDS P-736](https://openairdocs.org/tcds/P-736))
- Hamilton Standard Division 23D ([TCDS P-719](https://openairdocs.org/tcds/P-719))
- Hamilton Standard Division 2D30 ([TCDS P-206](https://openairdocs.org/tcds/P-206))
- Hamilton Standard Division 3D ([TCDS TC 249](https://openairdocs.org/tcds/TC%20249))

## 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 SP7WE This certificate, issued to: Pacific Propeller International LLC 5802 South 228th Street Kent, WA 98032-1810 Part 35 of theFederal Aviation Regulations.

Original Product⎯Type Certificate Number: 206, 257, 736, 249, and 719 Make: Hamilton Standard Propeller Model: 2D30, 12D40, 22D30, 22D40, 3D40, and 23D40 Description of the Type Design Change: Installation of Efficiency Aircraft Components, Inc. propeller blades in Hamilton Standard hubs as follows:

1. E.A.C.AG-100-2 propeller blades in 2D30 and 12D40 hubs in accordance with FAA sealed E.A.C.

Installation Instructions No. 100 and in 3D40 hubs in accordance with FAA sealed E.A.C. Installation Instructions No. 400.

2. E.A.C. AG-200-2 propeller blades in 22D30, 22D40, and 23D40 hubs in accordance with FAA sealed E.A.C. Installation Instructions No. 200, 300, and 500 respectively.

Limitations and Conditions: This approval limited to use on single engine tractor type aircraft with Pratt & Whitney R-985 and R-1340 engines installed.

Maximum Diameter 106 inches (2% cut off permitted.)

Maximum RPM 2300 Maximum HP 600 E.A.C. AG-100-2 blades are interchangeable aerodynamically and vibrationwise with the Hamilton Standard 6101-12 blades. E.A.C. AG-200-2 blades are interchangeable aerodynamically and vibrationwise with the H.S. 6533-12 blades.

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: February 20, 1967 Date reissued: 5/18/71; 4/10/75; 3/25/04 Date of issuance: December 1, 1967 Date amended: 7/3/68; 4/10/70; 8/19/71; 2/9/72; 7/6/73;

3/25/04; 6/30/05

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

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

## Every issue (2)

- June 30, 2005: Amended, Current. [certificate](https://openairdocs.org/files/sha256/64/b5/64b5ce1bb7b8c7c4e8dd8aedca15b1101e8781e71945d0c4835abe0c031a73f9)
- March 25, 2004: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/eb/5a/eb5aa2bed24bf5362360ec031ab751c1a232a3232c5e08971d3bb570f28be704)

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