# STC SA8364SW-D

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: S-TEC Corporation, United States
- Description: Installation of 40/50 single and two axis automatic flight guidance system, Model ST-505-40/50.
- Applied: January 27, 1993
- Status date: February 8, 1993
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A7CE](https://openairdocs.org/tcds/A7CE)
- Certificate PDF: https://openairdocs.org/files/sha256/10/48/104805ea981379c85bc644ae2369ab0f20edeb74fead21a1885daa27ac2f6415
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/7B10B7219925085A85256CC20058E751.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA8364SW-D

## ADs that name it (0)

None.

## Approved models (6)

- The Cessna Aircraft Company 401 ([TCDS A7CE](https://openairdocs.org/tcds/A7CE))
- The Cessna Aircraft Company 401A ([TCDS A7CE](https://openairdocs.org/tcds/A7CE))
- The Cessna Aircraft Company 401B ([TCDS A7CE](https://openairdocs.org/tcds/A7CE))
- The Cessna Aircraft Company 402A ([TCDS A7CE](https://openairdocs.org/tcds/A7CE))
- The Cessna Aircraft Company 402B ([TCDS A7CE](https://openairdocs.org/tcds/A7CE))
- The Cessna Aircraft Company 402C ([TCDS A7CE](https://openairdocs.org/tcds/A7CE))

## 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.

tf 3BriQ Btpartnot of transportation — jfotoal 3triation administration Supplemental *Cgpe Certificate tSutrn&er' SA8364SW-D S-TEC Corporation 946 Pegram Welters Industrial Park Mineral Wells, Texas 76067 ^^^ ClVll Air A7CE CESSNA 401, 401A, 401B, 402A, 402B, and 402C Installation of S-TEC System 40/50 Single and Two Axis Automatic Flight Guidance Systems, Model ST-505-40/50, according to Bulletin No. 605, dated 1-26-93 and Master Drawing List No. 92582, dated 1-26-93 or later FAA Approved revisions of the above data (28 Volt System).

1. FAA/DAS Approved Airplane Flight Manual Supplement, P/N 891011, dated 2-08-93 is required for S-TEC System 40 for Cessna Models 401, 401A, and 401 B or later FAA Approved revisions of the above supplement.

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

.^>^^.<iw £££/rrUn*i «.fi-»: 1-27-93 2-08-93 <-<--i~~L, 4<^/r\^-^si.,^ William J. ThomasDAS Staff Coordinator, DAS 5 SW(Tttlt) Any alteration of this urtificale it punishable by a fine of not exceeding tl ,000, or imprisonment not exceeding 3 years, or both.

Tkii etrliftatt may bt traniftmd in atardantt until FAR 21.17.

*AA Km* t\ 10-J (IO-4J)

United Stata of Stern Bepartmcnc of Transportation— jf tdcral atriation administration Supplemental ICgpe Certificate(Continuation Sheer) SA8364SW-D Limitations and Conditions (con't.)

2. FAA/DAS Approved Airplane Flight Manual Supplement, P/N 891012, dated 2-08-93 is required for S-TEC System 40 for Cessna Models 402A and 402B or later FAA Approved revisions of the above supplement.

3. FAA/DAS Approved Airplane Flight Manual Supplement, P/N 891013, dated 2-08-93 is required for S-TEC System 40 for Cessna Model 402C or later FAA Approved revisions of the above supplement.

4. FAA/DAS Approved Airplane Flight Manual Supplement, P/N 891014, dated 2-08-93 is required for S-TEC System 50 for Cessna Models 401, 401A, and 401 B or later FAA Approved revisions of the above supplement.

5. FAA/DAS Approved Airplane Flight Manual Supplement, P/N 891015, dated 2-08-93 is required for S-TEC System 50 for Cessna Models 402A and 402B or later FAA Approved revisions of the above supplement.

6. FAA/DAS Approved Airplane Flight Manual Supplement, P/N 891016, dated 2-08-93 is required for S-TEC System 50 for Cessna Model 402C or later FAA Approved revisions of the above supplement.

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

.I'M alteration of this ctrtificatt if punishable by a fin* of not exceeding 11,000, or imprisonment not exceeding 3 years, or hnth.

FAA FORM »iio.z-i (io-«*> Tint crrtifcalt may lit tiantjtrrtd in accardanei with I'AK .'/.•/'" 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) (City, State, and ^IP cade) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

U.S. GOVERNMENT PRINTING OFFICE : 19(6 OF—205-579

## Every issue (1)

- February 8, 1993: Issued, Current. [certificate](https://openairdocs.org/files/sha256/10/48/104805ea981379c85bc644ae2369ab0f20edeb74fead21a1885daa27ac2f6415)

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