# STC SA09344AC-D

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC System 20/30 Single and Two Axis Automatic Flight Guidance Systems, Model ST-749-20/30.
- Applied: February 24, 1998
- Status date: February 26, 1998
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A15](https://openairdocs.org/tcds/3A15)
- Certificate PDF: https://openairdocs.org/files/sha256/a5/d2/a5d2af39e8b476e6ddd236f7c966128177fff80d730587af705838a42adc0644
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C68F77175F44CC2E85256CC1007F3AA2.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA09344AC-D

## ADs that name it (0)

None.

## Approved models (1)

- 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: SA09344AC-D This certificate issued to: S-TEC Corporation One S-TEC Way Mineral Wells Municipal Airport Mineral Wells, TX 76067-9236 Certifies that the change in the type design for the following product with the limitations and conditions therefor as speciped hereen meets the aircorthiness requiements of Part 3 of the Cid A i Regulations.

Original Product Type Certifcate A umber: ЗА 15 At ahe : Beech Al edet : V35B Description of Type Design Change:

Installation of S-TEC System 20/30 Single and Two Axis Automatic Flight Guidance Systems, Model ST-749-20/30, according to Bulletin No. 849, dated 2-23-98 and Master Drawing List No. 921078, dated 2-23-98 or later FAA Approved revisions of the above data (28 Volt System).

Also eligible on The Above Models When Modified by STC SA1035WE (Turbocharged Engine).

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

I / the holder apees to permit another person to use the certifate to alter the product, the holder shall give the other porson written evidence of that permission

Date of Application: 2-24-9% Date Reissued:

Date of Issuance: 2-26-98 Date Amended:

By Direction of the Administrator FEDERAL AVIATION Wiin Manas (Signature) TOMINSTRATOR William J. Thomas DAS Staff Coordinator, DAS 5 SW (Title) 000, or Imprisonment not exceeding 3 years, or both.

Page 1 of 2 erted In secordance with FAR 21-47.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA09344AC-D Limitations and Conditions: (con't.)

FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement, P/N 891676, dated 2-26-98 is required for Beech Model V35B And The Above Model When Modified By STC SA 1035WE (Turbocharged Engine) for S-TEC System 20 or later FAA Approved revisions of the above supplement.

FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement, P/N 891677, dated 2-26-98 is required for Beech Model V35B And The Above Model When Modified By STC SA1035WE (Turbocharged Engine) for S-TEC System 30 or later FAA Approved revisions of the above supplement.

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

FAA Form 8110-2-1(10-69) Page 2 of 2

TRANSFER ENDORSEMENT Transfer 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 & street) (City, State, and ZIP code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

## Every issue (1)

- February 26, 1998: Issued, Current. [certificate](https://openairdocs.org/files/sha256/a5/d2/a5d2af39e8b476e6ddd236f7c966128177fff80d730587af705838a42adc0644)

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