# STC SA4633SW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC System 60 two axis automatic flight guidance system,Model, ST-080 with optional automatic trim system and with optional flight director steering horizon
- Applied: March 3, 1982
- Status date: March 23, 1982
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A16](https://openairdocs.org/tcds/3A16)
- Certificate PDF: https://openairdocs.org/files/sha256/1e/40/1e406267e564e6ef24b2a8e1af9b19cccc9fe7708aa2ad1687b92d971c307b99
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/0F44B24398CE719D86257E3000608FDD.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA4633SW

## ADs that name it (0)

None.

## Approved models (2)

- Beechcraft Corporation 58 ([TCDS 3A16](https://openairdocs.org/tcds/3A16))
- Beechcraft Corporation 58A ([TCDS 3A16](https://openairdocs.org/tcds/3A16))

## 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 grates of amtrita Bcpartmcnt of ^transportation —federal aoianon Administration Supplemental ¥gpt Certificate Pr°ject A5704sw-DSFKP-190 S-TEC Corporation Rt. 4, Bldg. 946 Welters Industrial Complex Mineral Wells, Texas 76067 iwj£rw^iySwdeAjJ£tmfwJ<n&fiJ6c**^^ vJlfu&fiedA^!Mum;#n6efoJjA&^aM>^^^^ 3 ^^t^f Civil Air tj>wi-na/ <-JwcUtet —— ^yfw~(^e>iJ^tca/e'<yU4rn6ev-: 3A16 Beech 58, 58A installation of S-TEC System 60 Two Axis Automatic Flight Guidance System, Model ST-080 with Optional Automatic Trim System according to Bulletin No. 183, dated 2-26-82 and Master Drawing List No. 9295, dated 2-26-32 with Optional Flight Director Steering Horizon; or later FAA approved revision. (28 Volt System)

1. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89109, dated 3-23-82, is required for Beech Models 58 and 58A with S-TEC System 60 Two Axis Automatic Flight Guidance System.

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

4^^^^C»^Zll^y^^^«%>tA(zX.jX<Z^C7«77Z^Z««^^>^^^C^^««l^i<^l '^£e^nr^a^_e>n'Jc^a^^_^^e>£n^fiieft^^J«d^a^^A^^^v^J£^ S$drrurtit_b£><a/c^^fJ/i4< ca£*n,: March 3, 1982 March 23, 1982 Don P. Watson Acting Chief, Aircraft CertificationDivision - Southwest Region (Title)

This certificate may be transferred in accordance with FAR 21.17.

FAA font 8110-2 (10-68)

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and street) (City, Slate, and <7/> code) from (Name of grantor) (Print or type) (Address of grantor) 'Number and street) (City, State, and <7/> code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

## Every issue (1)

- March 23, 1982: Issued, Current. [certificate](https://openairdocs.org/files/sha256/1e/40/1e406267e564e6ef24b2a8e1af9b19cccc9fe7708aa2ad1687b92d971c307b99)

---
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.