# STC SA6074SW-D

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC system 65 two axis automatic flight guidance system, Model ST-356.
- Applied: July 9, 1986
- Status date: November 9, 1993
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 5A3](https://openairdocs.org/tcds/5A3)
- Certificate PDF: https://openairdocs.org/files/sha256/94/ad/94ade09cc19931c02ff06936ce90b574e7a63dd209dd91a5d3007078393d117a
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/D24CEA383020E08B85256CC200569E5F.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA6074SW-D

## 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.

Bepartranit of Transportation —federal atriation administration Supplemental 'Cgpe Certificate isuvrnvev SA6074SW-D S-TEC Corporation 946 Pegram Wolters Industrial Park Mineral Wells, Texas 76067 j^J^fe^ 3 jA* C 1 V 1 1 A 1 f

- "~yu/«- t**a*>ntU zXiv : 5 A3 BEECH

- A45 (T-34A) AND D45 (T-34B) sm, stf?VyJ>*, 'JfAian-''3Aanae- :

Installation of S-TEC System 65 Two Axis Automatic Flight Guidance System, Model ST-356, according to Bulletin No. 456, Revision 1, dated 10-29-93 and Master Drawing List No. 92377, Revision A, dated 10-29-93 with Optional Flight Director/Steering Horizon or later FAA Approved revisions of the above data (28 Volt System).

1. Also eligible on the above models when modified by STC SA1450SW or STC SA1864SW (Installation of 285 H.P. Engine).

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

7-09-86 8-21-86 : 11-09-93, Revision 1 William J. Thomas DAS Staff Coordinator. DAS 5 SW(TttU)

Tfiu tfrtijicate may bt transferrtj in accordant* wit/i FAR 21.17.

fAA FOM tl 10-J (1O-4I)

Umttd Starts of 3nmra ©epartmcnt of Transportation— federal 3triation administration Supplemental Ttgpe Certificate(Continuation SA6074SW-D, Revision 1 Limitations and Conditions (con't.):

2. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89672, dated 8-21-86 is required for Beech Models A45 (T-34A) and D45 (T-34B) And The Above Models When Modified By STC SA1450SW (Installation of 285 H.P. Engines) 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 89672-1, dated 11-09-93 is required for Beech Models A45 (T-34A) and D45 (T-34B) And The Above Models When Modified By STC SA1450SW or STC SA1864SW (Installation of 285 H.P. Engines) 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.

I'M Mttriitiun of this certificate is punishable by a fine of not exceeding Sl,000, or imprisonment not exceeding J years, nr h»ih.

AA FORM ano.2-1 (io-«9) Thit ctrtifcatt may bt Itansferrtd in accurdanct unt/t I'AR .'/.•*•' PAGE 2 OF 2 PAGES

1 0 notify .he appropriate FAA Regional Office of the transfer of thu Supplemental Type Certificate.

The FAA will reissue the certificate in the name of the transferee and forward it to him.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee).

(Address of transferee).

( City. Slate. tnJ from (Nome of grantor) (Print or type).

(Address of grantor) (City, SUU, Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

## Every issue (1)

- November 9, 1993: Amended, Current. [certificate](https://openairdocs.org/files/sha256/94/ad/94ade09cc19931c02ff06936ce90b574e7a63dd209dd91a5d3007078393d117a)

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