# STC SA5323SW-D

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC System 60 pitch stabilization system model ST-042, with optional automatic electric trim system.
- Applied: April 13, 1984
- Status date: May 25, 1984
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A4EU](https://openairdocs.org/tcds/A4EU)
- Certificate PDF: https://openairdocs.org/files/sha256/0d/f3/0df3ba5af86dc48394305ac93366eb09639002e3534e24eb86b974c6a6607dcd
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/843E0CE5FB574AF685256CC200122863.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA5323SW-D

## ADs that name it (0)

None.

## Approved models (2)

- Cessna Aircraft Company F172M ([TCDS A4EU](https://openairdocs.org/tcds/A4EU))
- Cessna Aircraft Company F172N ([TCDS A4EU](https://openairdocs.org/tcds/A4EU))

## What the certificate says

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

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA5323SN-D This certificate issued to: 11. S-TEC Corporation Rt. 4, Bldg. 946 Wolters Industrial Complex Mineral Wells, TX 76067 Part 3 of the CiVil Air Hegulations.

Original Product - Type Pertificate Number: A4EU Make: REIMS-CESSNA Model: F172M AND F172N Description of Type Design Change:

Installation of S-TEC System 60 Pitch Stabilization System Model ST-042, with Optional Automatic Electric Trim System, according to Bulletin No. 145, Revision 2, dated 3-20-84 and Master Drawing List No. 9244, Revision B, dated 3-20-84 and/or later FAA Approved revisions of the above data, (14 Volt System).

1. FAA Approved Supplemental Flight Manual, P/N 89431, dated 5-25-84 is required and/or later FAA Approved revisions of the above supplement.

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

Date of Application: 4-13-84 Date Reissued:

Date of Issuance: . 5-25-84 Date Amended:

FEDERAL AVIATION By Direction of the Administrator PMIMISTRAIOS Harold w. Holdeman DAS Statt Coordinator, DAS 5 Sw (Title)

47.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number - to (Name of transferee) (Address of transferee) (Number and street) (City, State, and ZIP code ) from (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):

U.S. GOVERNMENT PRINTING OFFICE: 1966 OF OF--205-579

## Every issue (1)

- May 25, 1984: Issued, Current. [certificate](https://openairdocs.org/files/sha256/0d/f3/0df3ba5af86dc48394305ac93366eb09639002e3534e24eb86b974c6a6607dcd)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
