# STC SA7813SW-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-408.
- Applied: March 31, 1992
- Status date: April 21, 1992
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A10](https://openairdocs.org/tcds/3A10)
- Certificate PDF: https://openairdocs.org/files/sha256/aa/52/aa523dd6080f0c3be396b06e77680071104965543d7af502939e42b9abb438c3
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/ACF9F8022552E5A885256CC20056A4BE.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA7813SW-D

## ADs that name it (0)

None.

## Approved models (5)

- The Cessna Aircraft Company 310D ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- The Cessna Aircraft Company 310E (USAF U-3B) ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- The Cessna Aircraft Company 310F ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- The Cessna Aircraft Company 310G ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- The Cessna Aircraft Company 310H ([TCDS 3A10](https://openairdocs.org/tcds/3A10))

## 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.

Btpartnot of Transportation—jfotaal atnation administration Supplemental t^pe Certificate i/uwnvei*'SA7813SW-D % imffifl.fr iiuin.iV, S-TEC Corporation 946 Pegram Welters Industrial Park Mineral Wells, Texas 76067

y.^^^^^&#»t*iy^>«nrf£« ClVll Air 3A10 Cessna 310D, 310E, 310F, 310G, and 310H Installation of S-TEC System 65 Two Axis Automatic Flight Guidance System, Model ST-408, according to Bulletin No. 508, dated 3-30-92 and Master Drawing List No.

92559, dated 3-30-92 and/or later FAA Approved revisions of the above data.

1. Also eligible on Models 310G and 310H When Modified Per STC SA412SO (300 H.P.

Colemill Conversion).

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

<>£^x^M^&a^.^#t<^<^.4<^yi<?r«i«^,<Z^^^ J<!i>*-yy»^^ eA '•mtnUfftU.

3-31-92 4-21-92 William J. Thomas DAS Staff Coordinator, DAS 5 SW Any alteration ofthit certificate is punishable by a fine of not exceeding SI ,000, or imprisonment not exceeding 3 years, or both.

Ttiu crrtijualt nay Or traruferrtd in ucmdana with FAR 21.47.

FAAFo*»«l!O-l( IO-MI

ttmod £cua «f 3nmn Btpartment of Transportation— federal atiation administration Supplemental ICgpt Certificate(Continuation £hett) SA7813SW-D

2. FAA/DAS Approved Supplemental Flight Manual, P/N 89964, dated 4-21-92 is required for Cessna Models 310D, 310E, 310F, 310G, and 310H and Models 310G and 310H When Modified Per STC SA412SO (300 H.P. Colemill Conversion) and/or later FAA Approved revisions of the above supplement.

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

.I'M alteration of this certificate is punishable by afint af not exceeding SI,OOP, or imprisonment not exceeding 3 years, or hnih.

FAA FORM ano.2.) (10-81) Tint ttrtiftati may at Umiftrrtd in accordant! with I'AK .'/.•/'*.

dumber and street ) ( C.ilv. Slate, and ^IT code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink): __

## Every issue (1)

- April 21, 1992: Issued, Current. [certificate](https://openairdocs.org/files/sha256/aa/52/aa523dd6080f0c3be396b06e77680071104965543d7af502939e42b9abb438c3)

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