# STC SA5181SW-D

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC System 60 pitch stabilization system  Model ST-056 with optional automatic electric trim system.
- Applied: April 22, 1983
- Status date: July 15, 1983
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A15](https://openairdocs.org/tcds/3A15)
- Certificate PDF: https://openairdocs.org/files/sha256/e5/27/e5270ac6b7ac6e2ed7eb2eeccbe0c716a1e5646e58da819497d15d52b055a9d0
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/48D5D940CAA8B2D585256CC200122748.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA5181SW-D

## ADs that name it (0)

None.

## Approved models (1)

- Beechcraft Corporation V35B ([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.

United 9tBtts of amrrica Beparrmcnt of transportation -federal Situation administration Supplemental t^pe Certificate *Siea4i/ SA5181SW-D S-TEC Corporation Rt. 4, Bldg. 946 Wolters Industrial Complex Mineral Wells, TX 76067 J!wJyyfodeA*aMf^Jfo^{>f£c>tift>rw

•-> L> 1 V 1 I HIT 3A15 BEECH V35B AND THE ABOVE MODEL WHEN MODIFIED BY STC SA1035WE (TURBOCHARGED ENGINE) Installation of S-TEC System 60 Pitch Stabilization System, Model ST-056 with Optional Automatic Electric Trim System, according to Bulletin No. 159, Revision 1, dated 2-15-83 and Master Drawing List No. 9252, Revision A, dated 2-15-83 and/or later FAA Approved revisions of the above data, (28 Volt System), FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 8957-1, dated 7-15-83 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.

4-22-83 7-15-83 f/ (Signature) Harold W. Holdeman DAS Staff Coordinator. DAS 5 SW (TitU)

This certificate may bt transferred in accordance with FAR 21.17.

rAAh»»tlia-2(IO-6«)

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and street) (City, State, and £IP 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):

Signature of grantor (In ink):

## Every issue (1)

- July 15, 1983: Issued, Current. [certificate](https://openairdocs.org/files/sha256/e5/27/e5270ac6b7ac6e2ed7eb2eeccbe0c716a1e5646e58da819497d15d52b055a9d0)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
