# STC SA5312SW-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 21
- Data sheets: [TCDS A18EU](https://openairdocs.org/tcds/A18EU)
- Certificate PDF: https://openairdocs.org/files/sha256/10/8d/108d9e654623bdefc211bc0b0d961e90ecde93f1e46093348133160505bff0ac
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/3894D0606D04720185256CC20012284C.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA5312SW-D

## ADs that name it (0)

None.

## Approved models (2)

- Cessna Aircraft Company FR172J ([TCDS A18EU](https://openairdocs.org/tcds/A18EU))
- Cessna Aircraft Company FR172K ([TCDS A18EU](https://openairdocs.org/tcds/A18EU))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

Aniced States of 2imarica Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA5125W-9 This certificate issued to: S-TEC Corporation Rt. 4, Bldg. 946 Wolters Industrial Complex Mineral Wells, TX 7606/ Part 3 of the CIVil Air Hegulations.

Original Product - Type Certificato Number: A18EU Make: REIMS-CESSNA Model: FR172J AND FR172K Description of Type Design Change:

Installation of S-TEC System 60 Single Axis Automaic 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 89407, dated 4-26-84 is required and/or later FAA Approved revisions of the above supplement.

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

Date of Issuance: . 4-26-84 Date Amended:

FEDERAL AVIATION By Direction of the Administrator Hoold A Zellemen (Signature) TOMINISTRASOE DAS Staff Courdinator, DAS 5 SW Harold W. Holdeman (Title)

47.

**FAR FORM 8110-2 (10-68)**

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

(Address of transferee) (Number and street) (City, State, and ZIP code) trom (Name of grantor) (Print or type).

(Address of grantor) (Number and street) (City, State, and ZIP code ) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

## Every issue (1)

- April 26, 1984: Issued, Current. [certificate](https://openairdocs.org/files/sha256/10/8d/108d9e654623bdefc211bc0b0d961e90ecde93f1e46093348133160505bff0ac)

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