# STC SA5309SW-D

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC System 60 single axis automatic flight guidance system model ST-008.
- Applied: February 10, 1984
- Status date: April 26, 1984
- Product: Aircraft, Single-Engine
- Certification basis: Part 1, Part 21
- Data sheets: [TCDS 3A12](https://openairdocs.org/tcds/3A12)
- Certificate PDF: https://openairdocs.org/files/sha256/d1/bb/d1bb8e9d8f0691b086b49f75fbeb4769fdf74e4103591656a92dad6b3d52b2c8
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/2FA3F166F1A3531585256CC20012283F.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA5309SW-D

## ADs that name it (0)

None.

## Approved models (2)

- Textron Aviation Inc. 172M ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172N ([TCDS 3A12](https://openairdocs.org/tcds/3A12))

## 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.

gcatn Bepartmrnt of Transportation—Jptdcral atnation administration Supplemental Tuje Certificate tSUvrrvvev' SA5309SW-D S-TEC Corporation Rt. 4, Bldg. 946 Wolters Industrial Complex Mineral Wells, TX 76067 C 1 V 1 1 Air , /Ifiatda&fnA 3A12 CESSNA j 172M AND 172N 3 "?"

Installation of S-TEC System 60 Single Axis Automatic Flight Guidance System Model ST-008, according to Bulletin No. 108, Revision 1, dated 12-21-83 and Master Drawing List No. 9218, Revision A, dated 12-21-83 and/or later FAA Approved revisions of the above data, (14 Volt System).

1. FAA Approved Supplemental Flight Manual, P/N 8916-1, dated 4-26-84 is required for Cessna Model 172M, and/or later FAA Approved revisions of the above supplement.

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

*^<&**rn4*Mi£i*>n>£la&^JeJA4r4ttt^^A^a04i&A4d<&u<&e' •S&mnim&fcafor-djlb'& f 2-10-84 4-26-84 (Signature) Harold W. Holdeman DAS Staff Coordinator, DAS 5 SU |

This certificati may bt IraiuftmJ in tccordonct with FAR 21.47.

flitted gtatts of amtrira Bepartmtnt of transportation— Jpederal Station administration upplemental tlgpe Certificate(Continuation £heet) SA5309SW-D Limitations and Conditions (con't)

2. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89444, dated 4-26-84 is required for Cessna Model 172N, and/or later FAA Approved revisions of the above supplement.

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

An\ alteration of this certificate is punishable by a fine oj not exceeding SI,OOP, or imprisonment not exceeding .3 years, or bath.

FAA FORM 8I1O-2-1 (10-69) This certificate may be tranrferred in accordance it'ilh FAR -1.17 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, Stale, and %1P 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 r 1966 OF —205-579

## Every issue (1)

- April 26, 1984: Issued, Current. [certificate](https://openairdocs.org/files/sha256/d1/bb/d1bb8e9d8f0691b086b49f75fbeb4769fdf74e4103591656a92dad6b3d52b2c8)

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