# STC SA09435AC-D

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC System 40X/50X Single and Two Axis Automatic Flight Guidance Systems, Model ST-783-40X/50X.
- Applied: March 21, 2000
- Status date: March 23, 2000
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A26EU](https://openairdocs.org/tcds/A26EU)
- Certificate PDF: https://openairdocs.org/files/sha256/8b/2c/8b2cdf4ef99cab1828b029f6d11e44f2d861243d32ce8854773111806d234a93
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/8839596A32A1262285256CC1007F3AFF.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA09435AC-D

## ADs that name it (0)

None.

## Approved models (1)

- Cessna Aircraft Company F177RG ([TCDS A26EU](https://openairdocs.org/tcds/A26EU))

## 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: SA09435 AC-D This certificate issued to: S-TEC Corporation One S-TEC Way Mineral Wells Municipal Airport Mineral Wells, TX 76067-9236 Part 23 of the Federal Sh viation Regulations.

Original Product Type berlificate Number: A26EU Make: Reims Aviation S.A. Model Cessna Model: F177RG Description of Type Design Change:

Installation of S-TEC System 40X/50X Single and Two Axis Automatic Flight Guidance Systems, Model ST-783-40X/50X, according to Bulletin No. 883, dated 3-20-00 and Master Drawing List No. 921174, dated 3-20-00 or later FAA Approved revisions of the above data (14 Volt System).

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

If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

Date of Application: 3-21-00 Date Reissued:

Bute of risuance: 3-23-00 Date Amended:

By Direction of the Administrator FEDERAL AVIATION mile 12- (Signature) POMINISTRATIO Michael Keirnan DAS Staff Coordinator, DAS 5 SW (Title)

FAA Form E110-2(10-68) Page 1 of 2

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA09435 AC-D Limitations and Conditions: (con't.)

FAA/DAS Approved Supplemental Flight Manual, P/N 891950, dated 3-23-00 for Reims Aviation S.A.

Model Cessna F177RG for S-TEC System 40X or later FAA Approved revisions of the above supplement.

2. FAA/DAS Approved Supplemental Flight Manual, P/N 891955, dated 3-23-00 for Reims Aviation S.A.

Model Cessna F177RG for S-TEC System 50X or later FAA Approved revisions of the above supplement Compatibility of this modification with other previously approved modifications must be determined by the installer.

FAR Form B110-2-1 (10-69) Page 2 of 2

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and street) (City, State, and 21P 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): - Date of Transfer:

Signature of grantor (In ink):

## Every issue (1)

- March 23, 2000: Issued, Current. [certificate](https://openairdocs.org/files/sha256/8b/2c/8b2cdf4ef99cab1828b029f6d11e44f2d861243d32ce8854773111806d234a93)

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