# STC SA411SW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Mitchell Industries, Inc
- Description: Installation of automatic pitch trim model AK 138.
- Status date: September 25, 1964
- Data sheets: 3A12, 3A12, 3A12, 3A12, 3A12, 3A12, 3A17, 3A17, 3A17
- Certificate PDF: https://openairdocs.org/files/sha256/f0/bb/f0bb2f67340643f3e64a7b702c8782bc68bfb6eeccc2c1431496aad96c3effd3
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/908D4951A523F77C86257DFC00521269.0001
- Page: https://openairdocs.org/stc/SA411SW

## ADs that name it

None.

## Approved models (9)

- Cessna Aircraft Company 172 (TCDS 3A12)
- Cessna Aircraft Company 172A (TCDS 3A12)
- Cessna Aircraft Company 172B (TCDS 3A12)
- Cessna Aircraft Company 172C (TCDS 3A12)
- Cessna Aircraft Company 172D (TCDS 3A12)
- Cessna Aircraft Company 172E (TCDS 3A12)
- Cessna Aircraft Company 175 (TCDS 3A17)
- Cessna Aircraft Company 175A (TCDS 3A17)
- Cessna Aircraft Company 175B (TCDS 3A17)

## 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**

**SUPPLEMENTAL TYPE CERTIFICATE 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**

1. NAME AND ADDRESS OF APPLICANT MitcheU Industries, lac.

Municipal Airport P.O. Box 610 Mineral Well., Texas 7606?

2. SUPPLEMENTAL TYPE CERTIFICATE APPLIED FOR:

1X1 AIRCRAFT I I ENGINE 1, J PROPELLER ORIGINAL MODEL DESIGNATION J^J 175A fc 175B Cessna 172. 172A. 172B. 17JC. 172D. 172ENEW MODEL DESIGNATION (If detired) Nona

3. DESCRIPTION OF CHANGE Installation of Mitchell Industries, Inc. Automatic Pitch Trim Model AK138 per MitcheU Industries Bulletin No. 242 dated July 16, 1964 and subsequent F. A. A.

approved bulletins and/or supplements.

KILL DATA BE AVAILABLE FOR SALE OR RELEASE TO OTHER PERSONS?

b. WILL PARTS BE MANUFACTURED FOR SALE (Kof. CAR 1.55)1 YES

**CD YES CD NO**

5. SIGNATURE AND TITLE OF APPLICANT 7*16-64

SIGNATURE Vice PresidentDATE OF APPLICATION TITLE

6. To be Completed by FAA

NATURE AND LOCATION OF DATA Data listed in Item 3 Applicable regulations aa* 7X1 A579W8 (SM STO SA1098W) en file at SW-210.

as original certification.

**ORIGINAL TYPE CERTIFICATE NO.**

**1A12 & 3A17 SUPPLEMENTAL TYPE CERTIFICATE NO.**

SA4113W

DATE OF APPROVAL / "77

FAA APPROVAL S I 6N A TU R E B. Slaughter Chief, Ingfesering and Meaufacturing BranchTl TLE * U.S. GOVERNMENT PRINTING OFFICE : I95» O—509S57 FORM FAA-2417 (5-59)

## Every issue (1)

- September 25, 1964: Issued, Current. [certificate](https://openairdocs.org/files/sha256/f0/bb/f0bb2f67340643f3e64a7b702c8782bc68bfb6eeccc2c1431496aad96c3effd3)

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From OpenAirDocs.org, an independent open copy of FAA data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.