# STC SA4161WE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Aerosonic Corporation, United States
- Description: Installation of Teledyne Angle of Attack System
- Applied: December 7, 1979
- Status date: August 14, 2007
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A3WE](https://openairdocs.org/tcds/A3WE)
- Certificate PDF: https://openairdocs.org/files/sha256/43/b3/43b3a31db3f07947cbca453a6d6333e0983a480e7c0f6933cd02e265645a30a1
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/8B21A32031E8B503862573D8005C7C2A.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4161WE

## ADs that name it (0)

None.

## Approved models (4)

- The Boeing Company 727 ([TCDS A3WE](https://openairdocs.org/tcds/A3WE))
- The Boeing Company 727-100 Series ([TCDS A3WE](https://openairdocs.org/tcds/A3WE))
- The Boeing Company 727-100C Series ([TCDS A3WE](https://openairdocs.org/tcds/A3WE))
- The Boeing Company 727C Series ([TCDS A3WE](https://openairdocs.org/tcds/A3WE))

## 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.

Number SA4161WE This certificate issued to Aerosonic Corporation 1212 North Hercules Avenue Clearwater, FL 33765

Part 4b of the Civil Aviation Regulations.

(For certification basis, see T.C. Data Sheet A3WE).

Original Product -- Type Certificate Number: A3WE Make: Boeing

Model: 727 Series, 727-100 Series, 727C Series, 727-100C Series Description of Type Design Change:

Installation of Teledyne Angle of Attack System in accordance with FAA approved Airesearch Data Index List No. IL 1101748 “D” revision dated November 7, 1981, or later FAA approved revision

Airesearch Airplane Flight Manual Supplement, Document No. C-3583, FAA approved on July 7, 1980, or later FAA approved revision is required as part of this modification.

1. The Installer must determine whether this design change is compatible with previously approved modifications.

2. If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission

Date of application: December 7, 1979

Date of issuance: July 7, 1980 Date reissued: July 15, 1993, November 17, 1993 August 14, 2007

Date amended: December 10, 1981

By direction of the Administrator ( Signature)

Anthony Socias Manager New York Aircraft Certification Office

( Title)

FAA Form 8110-2-1(10-69) Page 2 of 2

Number

Description of Type Design Change (Continued):

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## Every issue (1)

- August 14, 2007: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/43/b3/43b3a31db3f07947cbca453a6d6333e0983a480e7c0f6933cd02e265645a30a1)

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