# STC SA8368SW-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-506.
- Applied: March 1, 1993
- Status date: March 25, 1993
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A6CE](https://openairdocs.org/tcds/A6CE)
- Certificate PDF: https://openairdocs.org/files/sha256/65/5d/655dc8996e568896f00b8377045b4569f6dafa8382d61d99328e9103a4f1b548
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/EC9818FAC1D1D56C85256CC20058E755.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA8368SW-D

## ADs that name it (0)

None.

## Approved models (2)

- The Cessna Aircraft Company 337B ([TCDS A6CE](https://openairdocs.org/tcds/A6CE))
- The Cessna Aircraft Company 337C ([TCDS A6CE](https://openairdocs.org/tcds/A6CE))

## 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.

Stoat tl 2taon Bepartment of transportation- federal atriation administration Supplemental 'Cgpe Certificate iSUvm'VW' SA8368SW-D n/fr S-TEC Corporation 946 Pegram Wolters Industrial Park Mineral Wells, Texas 76067 £^^ 23 Federal Aviation A6CE CESSNA 337B and 337C Installation of S-TEC System 65 Two Axis Automatic Flight Guidance System, Model ST-506, according to Bulletin No. 606, dated 2-26-93 and Master Drawing List No.

92584, dated 2-26-93 or later FAA Approved revisions of the above data (28 Volt System).

FAA/DAS Approved Supplemental Flight Manual, P/N 891022, dated 3-25-93 is required for Cessna Models 337B and 337C or later FAA Approved revisions of the above supplement.

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

Jer*m4Jn*a£^ SxafminjA William J. ThomasDAS Staff Coordinator. DAS 5 SW(Tillt)

7~Au certificatt may tx ttaniferrtd m accordance until FAR 21.17.

1 AA • 1 1 0- 2 ( 1 0-«S|

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and street) (City, State, and 2JP code) from (Name of grantor) (Print or type) (Address of grantor) (Number and street) (City, State, and ^1P code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

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

## Every issue (1)

- March 25, 1993: Issued, Current. [certificate](https://openairdocs.org/files/sha256/65/5d/655dc8996e568896f00b8377045b4569f6dafa8382d61d99328e9103a4f1b548)

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