# STC SA526SW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Mitchell Industries, Inc, United States
- Description: Installation of Mitchell Automatic trim Model AK171.
- Applied: June 15, 1965
- Status date: June 18, 1965
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A4CE](https://openairdocs.org/tcds/A4CE), [TCDS 3A21](https://openairdocs.org/tcds/3A21)
- Certificate PDF: https://openairdocs.org/files/sha256/16/ed/16ed9bdc124486b19c9cac99dae0c3bd5242b904a34aff2dc0d4f5cdb9027d53
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E7D3CDB7DD0518A386257E7B00793C6D.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA526SW

## ADs that name it (0)

None.

## Approved models (5)

- Cessna Aircraft Company 206 ([TCDS A4CE](https://openairdocs.org/tcds/A4CE))
- Cessna Aircraft Company 210-5 (205) ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Cessna Aircraft Company 210-5A (205A) ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Cessna Aircraft Company P206 ([TCDS A4CE](https://openairdocs.org/tcds/A4CE))
- Cessna Aircraft Company U206 ([TCDS A4CE](https://openairdocs.org/tcds/A4CE))

## 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.

.Co

**FEDERAL AVIATION AGENCY**

1. NAME AND ADDRESS OF APPLICANT Mitchell Industrie*, Inc.

Municipal Airport P. 0. Box 610 Mineral Well*, Texas 76067

3. DESCRIPTION OF CHANGE Installation of Mitchell Automatic Trim Industrie* , Inc. Bulletin Ho. 284 dated bulletin* and/or supplements (ILL DATA BE AVAILABLE FOR SALE OR RELEASE TO

b. WILL PARTS BE MANUFACTURED FOR SALE (Ret. CAg

5. SIGNATURE AND TITLE OF APPLICANT June 15, 1965

**DATE OF APPLICATION FORM APPROVED, BUDGET BUREAU NO. 04-R015**

**INSTRUCTIONS - SUBMIT IN TRI PLICATE TO LOCAL FAA FLIGHT STANDARDS INSPECTOR.**

**COPY WILL BE RETURNED TO APPLICANT UPON**

**ISSUANCE**

2. SUPPLEMENTAL TYPE CERTIFICATE APPLIED FOR:

I xl AIRCRAFT I I ENGINE I, J PROPELLER

ORIGINAL MODEL DESIGNATION Cessna 210-5, 210-5A, 206, P206, & 0206 NEW MODEL DESIGNATION (If demired) none Model AK171 in accordance with Mitchell 6/16/65 and subsequent FAA approved OTHER PERSONS? Ik 1 YES 1 1 NO

1.55)7 l*~l YES 1 1 NO

SIGNATURE f reject Engineer TITLE

6. To be Completed by FM

NATURE AND LOCATION OF DATA Data listed in Item 3 above, and T1R A726SWS on file at Stt-210.

Applicable regulations: same as original certification.

Reference Project A726SWS ORIGINAL TYPE CERTIFICATE NO. FAA AP 3A21 andA4CE SUPPLEMENTAL TYPE CERTIFICATE NO. ^ SA526SW DATE OF APPROVAL H. ] 6/18/65 Chil =ROVAI_ «fe^L SI GNATURE I. slaughter if Engineering and Manufacturing Branch Tl TLE * U.S. GOVERNMENT PRINTING OFFICE : 1959 O—509657 FORM FAA-2417 (5-59)

## Every issue (1)

- June 18, 1965: Issued, Current. [certificate](https://openairdocs.org/files/sha256/16/ed/16ed9bdc124486b19c9cac99dae0c3bd5242b904a34aff2dc0d4f5cdb9027d53)

---
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.
