# STC SA556SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Hutchinson Aircraft Svc, United States
- Description: Installation of Constant speed propeller.
- Status date: March 8, 1973
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 2A13](https://openairdocs.org/tcds/2A13)
- Certificate PDF: https://openairdocs.org/files/sha256/b8/1e/b81ed6ed0285f3da0601c1ec585795686baede15ee8a5840389752d2f06f1311
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/5D906DECE03D9B3286257EE0006BB594.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA556SW

## ADs that name it (0)

None.

## Approved models (3)

- Piper Aircraft Inc. PA-28-160 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- Piper Aircraft Inc. PA-28-180 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- Piper Aircraft Inc. PA-28S-180 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))

## 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.

Bratrd States of amrrira Bcpartmcnt of ^Transportation federal Situation administration Supplemental "Cpe Certificate SA556SW Btttehinscji Aircraft Service P, 0. Boat 1070 , fexas

• sleu4&ia&'f>n& .

tjrtuj'naJ • Jftx/uft —— , /Tufi*'f'JMr^4Ca£e«yuitrdev: 2A13 PA-28S-2BO Eastallattaa of constant speed propeller in accordance with ButcMnson Aircraft Service Installation Instructions dated 10/5/6^1 Bartaell BE-823O/T63fiD-^ or W*^3EI/8fc33*i2 propeller for Model PA-38-160; McCaaley 203*^/7^-0 propeller for PA»28*i80 or PA-a8s*lSO.

Installation of Hartzell aC-C2XK-l/7666A-2 propeller for PA-26-180 or PA-28S-l8o in accordance with Installation Instructions dated 2/2/69.

1, Elig|2)lfi OJ3i Serial SO* ^-176l OOd UP CXCept Model PA-28-2BO is eligible on Serial Hos. 28»176l throu^b 28*7205318, only.

2. The following PAA Approved Airplane Flight Manual Supplenenta are required:

Supplement dated 10/7/65 for Model PA-28-130 or PA«288»JSO; Supplement dated 3/20/69 for PA~28-afiO or PA-^g-iSo vith Harfcsell KJ-C2XK-1/7666A-2 propeller installed* 200° isw 5/12/671 3/20/69 j 3/8/73Revision 3 7» 19^5 -Sate Mtttf (Signature) USlen W. Welsh Chief, Engineering and Manufacturing Branch alteration of this certificate u punishable by a fine of not exceeding 11,000, or imprisonment not exceeding 3 years, or both.

This ctrtifieatt may bt Iransfernd in accordance with FAR 21.17.

FAAfow.il 10-2(10-41)

1 ow may be used ,o notify the appropriate FAA Region.. Office of the transfer of this Supplemental Type Certificate.

The FAA will reissue the certificate in the name of the transferee and forward it to him.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee)_ (Address of transferee) __ from (Name of grantor) (Print or type).

(Address of grantor) (City. Suit, Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

## Every issue (1)

- March 8, 1973: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/b8/1e/b81ed6ed0285f3da0601c1ec585795686baede15ee8a5840389752d2f06f1311)

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