# STC SA5257SW-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-253.
- Applied: December 30, 1983
- Status date: January 10, 1984
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A29CE](https://openairdocs.org/tcds/A29CE)
- Certificate PDF: https://openairdocs.org/files/sha256/88/fb/88fbc05d58f3ced18c05ce4d893f93de292130e6237e7c40da2b2ad5f1b197a2
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/568BA86C4799A50385256CC2001227E5.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA5257SW-D

## ADs that name it (0)

None.

## Approved models (1)

- Beechcraft Corporation 76 ([TCDS A29CE](https://openairdocs.org/tcds/A29CE))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number SA5257SW-D This certificate issued to: S-TEC Corporation Rt. 4, Bldg. 946 Wolters Industrial Complex Mineral Wells, TX 76067 Pant 23 of the Federal Aviation Fegulations Original Product -Type Centificate Numben: A29CE Make: BEECH Model: 76 Description of Type Design Change:

Installation of S-TEC Manual Electric Trim System, Model ST-253, according to Bulletin No. 353, dated 12-16-83 and Master Drawing List No. 92267, dated 12-16-83, and/or later FAA Approved revisions of the above data, (14 Volt System).

1. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89384, dated 1-10-84 is required and/or later FAA Approved revisions of the above supplement.

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

Date of Application: 12-30-83 Date Reissued:

Date of Issuance: . 1-10-84 Date Amended:

FEDERAL AVIATION By Direction of the Administrator Did W. Thilderner (Signalure) COMINIST Harold W. Holdeman DAS Staff Coordinator, DAS 5 SW (Title)

47.

TRANSFER ENDORSEMENT Transter the ownership of Supplemental Type Certificate Number to (Name of transferee) _ (Address of transferee) (Number and street) (City, State, and ZIP code ) from (Name of grantor) (Print or type) - (Address of grantor) (Number and street) ( City, Stale, and ZIP code ) Extent of Authority (if licensing agreement):

Date of Transfer: _ Signature of grantor (In ink): - U.S. GOVERNMENT PRINTING OFFICE: 1966 OF-205-579

## Every issue (1)

- January 10, 1984: Issued, Current. [certificate](https://openairdocs.org/files/sha256/88/fb/88fbc05d58f3ced18c05ce4d893f93de292130e6237e7c40da2b2ad5f1b197a2)

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