# STC SA6081SW-D

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC system 65 two axis automatic flight guidance system, Model ST-365.
- Applied: September 10, 1986
- Status date: September 25, 1986
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A15](https://openairdocs.org/tcds/3A15)
- Certificate PDF: https://openairdocs.org/files/sha256/02/3e/023e707452c0f62f9da859e10fb8e714340944274f5e7afe42ad31371adcb9ca
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A72EC3DBE1A3B1B585256CC200569E71.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA6081SW-D

## ADs that name it (0)

None.

## Approved models (4)

- Beechcraft Corporation S35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Beechcraft Corporation V35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Beechcraft Corporation V35A ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Beechcraft Corporation V35B ([TCDS 3A15](https://openairdocs.org/tcds/3A15))

## 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: SA608154-0 This certificate issued to: S-TEC Corporation Rt. 4, BIdg. 946 Wolters Industrial Complex Mineral Wells, TX 76067 Pard 3 of the CiVIl Air Hegulations.

Original Product - Type tiertificate Number: 3A15 Make: BEECH Model: S35, V35, V35A AND V35B Description of Type Design Change:

Installation of S-TEC System 65 Two Axis Automatic Flight Guidance System, Model ST-365, according to Bulletin No. 465, dated 7-15-86 and Master Drawing List No. 92380, dated 7-15-86 and/or later FAA Approved revisions of the above data (14 Volt System).

1. Also eligible on the above Models when modified in accordance with STC SA1035WE (Turbocharged Engines).

(See Continuation Sheet, Page 2, a part of this STC.)

Date of Application: 9-10-86 Date Reissued:

Date of Issuance: . 9-25-86 Date Amended:

FEDERAL AVIATION By Direction of the Administrator (Signature) TOMINISTRA TION Harold W. Holdeman DAS Staff Coordinator, DAS 5 Sw (Title)

47.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA60815W-D Limitations and Conditions: (con't)

2. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89675, dated 9-25-86 is required for Beech Models S39, V35, V35A and V35B and the above Models when modified in accordance with STC SA1035WE (Turbocharged Engines) and/or later FAA Approved revisions of the above supplement.

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

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) - (Address of transferee) (Number and streel) (City, Stale, and 2IP rock) from (Name of grantor) (Print or type) (Address of grantor) (Number and sireel;

(City, Stake, and ZIP code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):.

.000

## Every issue (1)

- September 25, 1986: Issued, Current. [certificate](https://openairdocs.org/files/sha256/02/3e/023e707452c0f62f9da859e10fb8e714340944274f5e7afe42ad31371adcb9ca)

---
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.