# STC SA5209SW-D

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC System 40/50 single and two axis automatic flight guidance system Model ST-186-40/50.
- Applied: August 29, 1983
- Status date: September 28, 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/bd/2f/bd2f1b9a9b2ba78aacccc157bc8738f5c3161c42ac33604a6a7f97aedd0ae87f
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/20300B492D8B5D6B85256CC200122788.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA5209SW-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

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.

Hnitri 3tato Bepartmtnt of Transportation— .federal atriarion administration Supplemental l^pe Certificate SA5209SW-D S-TEC Corporation Rt. 4, Bldg. 946 Wolters Industrial Complex Mineral Wells, TX 76067 y^^^^^^ 3 4&4n*/ ClVl I Air JAlb BEECH S35, V35, V35A, AND V35B Installation of S-TEC System 40/50 Single and Two Axis Automatic Flight Guidance Systems, Model ST-186-40/50, according to Bulletin No. 286, dated 7-18-83 and Master Drawing List No. 92214, dated 7-18-83 and/or later FAA Approved revisions of the above data, (14 Volt System).

,Slea4&Ca&& £*pta<ina4 *J£f>eu&c£

1. Also eligible on the above models when modified by STC SA1035WE (Turbocharged Engine).

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

: 8-29-83 9-28-83 StXdrni#i4&&a£>r-j3f.£n+ff r (Signature) Harold W. Holdeman DAS Staff Coordinator, DAS 5 SW (Title)

Tku certificate may tx transferred in accordance with FAR 21.17.

FAA FtMM tl 10-2 (10-«l)

United Staffs of amenta Bepartment of transportation— federal Sttriation administration upplemental tlgpe Certificate(Continuation £heet) SA5209SW-D Limitations and Conditions (con't)

2. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89250, dated 9-28-83 is required for S-TEQ .System 40 and/or later FAA Approved revisions of the above supplement.

3. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89251, dated 9-28-83 is required for S-TEC System 50 and/or later FAA Approved revisions of the above supplement.

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

/Irn alteration of this certificate is punishable by a fine of not exceeding SI,000, or imprisonment not exceeding, .3 years, or both FAA FORM Biio-2-1 (1O-69) This certificate may be transferred in accordance with 1'AR -V.V.7 PAGE 2 OF 2 PAGES

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 j (City, State, and ^IP code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

U.S. GOVERNMENT PRINTING OFFICE : 1966 OF —205-579

## Every issue (1)

- September 28, 1983: Issued, Current. [certificate](https://openairdocs.org/files/sha256/bd/2f/bd2f1b9a9b2ba78aacccc157bc8738f5c3161c42ac33604a6a7f97aedd0ae87f)

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