# STC SA476SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Mitchell Industries, Inc, United States
- Description: Installation of Mitchell Pitch trim system AK151.
- Applied: January 19, 1965
- Status date: May 28, 1965
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 1A10](https://openairdocs.org/tcds/1A10)
- Certificate PDF: https://openairdocs.org/files/sha256/34/ac/34aca477714c45cded7ce0024590e811dcc7c105bd8414935712dc2a440761e3
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/4405ED5D85B5695086257E6000707A88.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA476SW

## ADs that name it (0)

None.

## Approved models (2)

- Piper Aircraft Inc. PA-23-235 ([TCDS 1A10](https://openairdocs.org/tcds/1A10))
- Piper Aircraft Inc. PA-23-250 ([TCDS 1A10](https://openairdocs.org/tcds/1A10))

## 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.

FEDERAL AVIATION AGENCY FORM APPROVED, BUDGET BUREAU NO. 04-R015 INSTRUCTIONS — SUBMIT IN TRI PLICATE TO LOCAL FAA FLIGHT STANDARDS INSPECTOR.

**SUPPLEMENTAL TYPE CERTIFICATE COPY WILL BE RETURNED TO APPLICANT UPON**

**ISSUANCE**

NAME AND ADDRESS OF APPLICANT MitcheU Indus tries. Inc.

Municipal Airport P. O. Box 610 Mineral Wells, Texas 76067

DESCRIPTION OF CHANGE Installation of Mitehell Pitch MitcheU Industrie*, Inc. Bit) approved bottatiaa and/or «u

2. SUPPLEMENTAL TYPE CERTIFICATE APPLIED FOR:

K 1 AIRCRAFT 1 1 ENGINE l~~l PROPELLER

ORIGINAL MODEL DESIGNATION Piper PA-23.235 fc PA. 2 3 -2 50 NEW MODEL DESIGNATION (It d, mired) None Trim System Model AK 1S1 in accordance with lletin No. 263 dated 5*25*65 and subsequent F. A. A.

pplementa.

WILL DATA BE AVAILABLE FOR SALE OR RELEASE TO OTHER PERSONS? £] YES 1 1 NO . WILL PARTS BE MANUFACTURED FOR SALE (Kef. CAR 1.35)1 IXJ YES d] NO

SIGNATURE AND TITLE OF APPLICANT Rev. 5-23-65 1-19-65

DATE OF APPLICATION // *,/4fc*~^ £^yj&*&^*+t^**~~SIGNATURE Vice President TITLE

6. To fce Completed by FAA

NATURE AND LOCATION OF DATA Data listed in Itea 3 above on file at SW-210.

Applicable regulations i Sane aa original certification.

**ORIGINAL TYPE CERTIFICATE NO.**

**1A10 SUPPLEMENTAL TYPE CERTIFICATE NO.**

SAA76SH DATE OF APPROVAL 2/04/65 Bavised: 5/28/65

FAA APPROVAL MffftWr^ SIGNATURE /^B. H. SlaughterChief, Engineering and Manufacturing Branch Tl TLE * U.S. GOVERNMENT PRINTING OFFICE : l»5» O—509657 FORM FA A-2417 (5-59)

## Every issue (1)

- May 28, 1965: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/34/ac/34aca477714c45cded7ce0024590e811dcc7c105bd8414935712dc2a440761e3)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
