# STC SA165SW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Mitchell Industries, Inc, United States
- Description: Installation of Mitchell automatic pilot AK121.
- Applied: November 15, 1962
- Status date: December 3, 1962
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A-777](https://openairdocs.org/tcds/A-777), [TCDS 3A15](https://openairdocs.org/tcds/3A15)
- Certificate PDF: https://openairdocs.org/files/sha256/47/1e/471e38d8258e578f4e3a2f701794122da5111dc3da9b2623ee4060cc5fe63e2e
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A29E02138A1BD93086257D43005F19AE.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA165SW

## ADs that name it (0)

None.

## Approved models (10)

- Beechcraft Corporation 35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Beechcraft Corporation 35R ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Beechcraft Corporation A35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Beechcraft Corporation B35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Beechcraft Corporation C35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Beechcraft Corporation D35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Beechcraft Corporation E35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Beechcraft Corporation F35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Beechcraft Corporation G35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Beechcraft Corporation H35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))

## 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**

SUPPLEMEKTAL TYPE CERTIFICATE FORM APPROVED, BUDGET BUREAU NO. 04-R015 INSTRUCTIONS - SUBMIT IN TRI R.ICATE TO LOCAL FAA FLIGHT STANDARDS INSPECTOR.

**COPY WILL BE RETURNED TO APPLICANT UPON IS5UANC E**

1. NAME AND ADDflESS OF APPLICANT Mitchell Industries Inc.

P. O. Box 6LO Municipal Airport Mineral Wells,

2. SUPPLEMENTAL TYPE CERTIFICATE APPLIED FOR:

L-XJ AIRCRAFT \_ I ENGINE L 1 PROPELLER ORIGINAL MODEL DESIGNATION E35. F35. G35, H3 BEECH 35, 35R. A35, B35, C35, D35

NEW MODEL DESIGNATION (II NONE >. DESCRIPTION OF CHANGE Installation of Mitchell Automatic Pilot Model AK121 in accordance with Mitchell Industries Inc. Bulletin No. Z01 dated 11-15-62, and subsequent F. A. A, Approved Bulletins and/or Supplements.

NOTES: Mitchell Industries, Inc. FAA Approved Placard 13A89-100 required.

4*. WILL DATA BE AVAILABLE FOR SALE OR RELEASE TO OTHER PERSONS? [29 YES CD N0

b. WILL PARTS BE MANUFACTURED FOR SALE (Xef. CAS 1.3S)1 [__] YES C_] NO

**5. SIGNATURE AND TITLE OF APPLICANT 11-15-6Z**

**DATE OF APPLICATION**

SIGNATURE General Manager TITLE _.4_TgJ» Completed by FAA

NATURE AND LOCATION OF DATA Data listed in It*m 3 above on fiU at Stf-210.

Applicable CAR'a same aa original certification.

Kaf«r«nce Project A215SJS.

**OHI6INAL TYPE CERTIFICATE NO.**

777 and 3A15 SUPPLEMENTAL TYPE CERTIFICATE NO.

SA16SS-.J

**DATE OF APPROVAL 12/3/62 FAA APPROVAL.**

SISNATURE . H. Slaughter Chief, Engineering and Manufacturing Branch Tl TLE FORM FAA-2417 (3

## Every issue (1)

- December 3, 1962: Issued, Current. [certificate](https://openairdocs.org/files/sha256/47/1e/471e38d8258e578f4e3a2f701794122da5111dc3da9b2623ee4060cc5fe63e2e)

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