# STC SA4588SW

- 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-065 with optional autotrim system.
- Applied: November 18, 1981
- Status date: January 22, 1982
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 5A3](https://openairdocs.org/tcds/5A3)
- Certificate PDF: https://openairdocs.org/files/sha256/b0/8f/b08f34b76455038aee81c3fa5cd52ab447c5829179c949a4725b8cee88042999
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/534831063CC1650985256CC2000E3D57.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA4588SW

## ADs that name it (0)

None.

## Approved models (2)

- Beechcraft Corporation A45 (Military T-34A; B-45) ([TCDS 5A3](https://openairdocs.org/tcds/5A3))
- Beechcraft Corporation D45 (Military T-34B) ([TCDS 5A3](https://openairdocs.org/tcds/5A3))

## 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.

tinted States of arnica Bepartment of transportation— federal 2toiation Administration Supplemental t^pe Certificate <-Si£ait£a&v-nA/.

SA4588SW Project A5633SW-DS FKP-130 S-TEC Corporation Rt. 4, Bldg. 946 Wolters Industrial Complex Mineral Wells, Texas 76067 .J^<aM*ux>^ 3 ^j&v Civil Air 5A3 Beech A45 (T-34A) and D45 (T-34B) and these models when modified by STC SA1450SW (285 HP Engine) /tvae' :

Installation of S-TEC System 60 Pitch Stabilization System, Model ST-065 with Optional Autotrim System according to Bulletin No. 168, dated 11-16-81 and Master Drawing List No. 9277, dated 11-16-81, or later FAA approved revision.

(28 Volt System) FAA Approved Airplane Flight Manual Supplement P/N 8987 dated 1-22-82 is required for Beech Models A45 (T-34A) and D45 (T-34B) and The Above Models When Modified by, STC SA1450SW (Installation of 285 HP Engine) with S-TEC System 60PItcn Stabilization System, Model ST-065 Compatibility of this modification with other previously approved modifications must be determined by the installer.

w November 18, 1981 January 22, 1982 __„ /. WatsonActing Chief, Aircraft CertificationDivision , / (Title)

FAA FO«M 8110-2 (10-68)

## Every issue (1)

- January 22, 1982: Issued, Current. [certificate](https://openairdocs.org/files/sha256/b0/8f/b08f34b76455038aee81c3fa5cd52ab447c5829179c949a4725b8cee88042999)

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