# STC SA7153SW-D

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC manual electric trim system, Model ST-353.
- Applied: May 20, 1987
- Status date: June 15, 1987
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A51EU](https://openairdocs.org/tcds/A51EU)
- Certificate PDF: https://openairdocs.org/files/sha256/66/7d/667d35330f05b64c25eb0d5b9bfee0f728336bed02a306a38e7f509c61d76df7
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DE06E98BD3ED5CB085256CC20056A1B9.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA7153SW-D

## ADs that name it (0)

None.

## Approved models (2)

- SOCATA - Groupe Aerospatiale TB20 ([TCDS A51EU](https://openairdocs.org/tcds/A51EU))
- SOCATA - Groupe Aerospatiale TB21 ([TCDS A51EU](https://openairdocs.org/tcds/A51EU))

## 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.

United goto of 2Unmca » .rlf&A6CG department ofCransportation—federal SlDiarion administration Supplemental "Cgpe Certificate ^Uvrrdw SA7153SW-D S-TEC Corporation Rt. 4, Bldg. 946 Wolters Industrial Complex Mineral Wells, TX 76067 no*

- -of <Ja 2.3 Federal Air'/t*aMir«r A51EU SOCATA TB-20 AND TB-21 Installation of S-TEC Manual Electric Trim System, Model St-353, according to Bulletin No. 435, dated 12-31-86 and Master Drawing List No. 92439, dated 12-31-86 and/or later FAA Approved revisions of the above data (14 Volt System).

FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89730, dated 6-15-87 is required and/or later FAA Approved revisions of the above supplement.

Compatability of this modification with other previously approved modifications must be determined by the installer.

S!Xctrrum*bfoa£>r-4i£Jn* 5-20-87 6-15-87 (Signature) Harold W. Holdeman DAS Staff Coordinator. DAS 5 SU (Title)

This crrlifuatt may In tiamjtmd in accordant* with FAR 2J.47.

FAA row (1 IO-2 ( IO-«t)

INSTRUCTIONS : The transfer endorsement below may be used to notify the appropriate FAA Regional Office of the transfer of this Supplemental Type Certificate.

The FAA will reissue the certificate in the name of the transferre and forward it to him.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number __ to (O^ame of transferee) of transferee) (9{ian6er ami street) (City, State, andZIT code) {rom(${ame of grantor) (Print or type) of grantor) _ __ __ __ _ (y^umter and street) (City, State., andZlf cade) Exent of Authority (if licensing agreement) :

Signature of grantor (In Page 2 of 2

## Every issue (1)

- June 15, 1987: Issued, Current. [certificate](https://openairdocs.org/files/sha256/66/7d/667d35330f05b64c25eb0d5b9bfee0f728336bed02a306a38e7f509c61d76df7)

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