# STC SA09240AC-D

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC System 20/30 Single and Two Axis Automatic flight Guidance Systems, Model ST-674-20/30.
- Applied: June 12, 1997
- Status date: June 16, 1997
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A18EU](https://openairdocs.org/tcds/A18EU)
- Certificate PDF: https://openairdocs.org/files/sha256/11/12/11127be770bcc0e19385f5c901a492d5563b92852619dcf79e07ea2d3280b4af
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/D998DBADEB5697E885256CC1007F3A38.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA09240AC-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.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA09240 AC-D This certificate issued to: S-TEC Corporation One S-TEC Way Mineral Wells Municipal Airport Mineral Wells, TX 76067-9236 Certifies that the change in the type design for the following product with the limitations and conditions therefor as specifed horeon meets the armorthiness requiements of Part 3 of the Civd A i Regulations.

Original Product I ype Certifcate Number: A18EU Make: Reims Aviation S.A. Models Cessna Model: FR172J AND FR172K Description of Type Design Change:

Installation of S-TEC System 20/30 Single and Two Axis Automatic Flight Guidance Systems, Model ST-674-20/30, according to Bulletin No. 774, dated 6-11-97 and Master Drawing List No. 921007, dated 6-11-97 or later FAA Approved revisions of the above data (14 Volt System).

FAA/DAS Approved Supplemental Flight Manual, P/N 891428, dated 6-16-97 is required for S-TEC System 20 for Reims Aviation S.A. Models Cessna FR172J and FR172K or later FAA Approved revisions of the above supplement.

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

Date of Application: 6-12-97 Date Reissued:

Date of Issuance: 6-16-97 Date Amended:

By Direction of the Administrator FEDERAL AVIATION Win Th TOMINISTRATOR William J. Thomas DAS Staff Coordinator, DAS 5 SW (Title)

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA09240AC-D Limitations and Conditions: (con't.)

2. FAA/DAS Approved Supplemental Flight Manual, P/N 891434, dated 6-16-97 is required for S-TEC System 30 for Reims Aviation S.A. Models Cessna FR172J and FR172K or later FAA Approved revisions of the above supplement.

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

FAA Form 8110-2-1(10-69) Page 2 of 2 This certificate may be transferred in accordance with FAR 21,47.

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 & streetl (City, State, and ZIP code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink) :

## Every issue (1)

- June 16, 1997: Issued, Current. [certificate](https://openairdocs.org/files/sha256/11/12/11127be770bcc0e19385f5c901a492d5563b92852619dcf79e07ea2d3280b4af)

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