# STC SA09007AC-D

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC System 55/55X two axis automatic flight guidance system, Model ST-587
- Applied: May 17, 1995
- Status date: February 15, 2001
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A13](https://openairdocs.org/tcds/3A13)
- Certificate PDF: https://openairdocs.org/files/sha256/b0/fe/b0fe1b2c1bc05771dd8118f23e39ca4153dd080d55e9f14101ed469f28a85f08
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/54909E98421C210B85256CC1007F3999.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA09007AC-D

## ADs that name it (0)

None.

## Approved models (2)

- Cessna Aircraft Company 182P ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Cessna Aircraft Company 182Q ([TCDS 3A13](https://openairdocs.org/tcds/3A13))

## 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: SA09007 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 limitutions and conditions therefor as specifed hereon meets the aiworthiness requiements of Past 3 of the Civil In Kegulations.

Original Product Type Certifcate A umber: ЗА13 Alate : Cessna Model: 182P and 182Q Description of Type Design Change:

Installation of S-TEC System 55/55X Two Axis Automatic Flight Guidance System, Model ST-587, according to Bulletin No. 687, Revision 2, dated 2-15-01 and Master Drawing List No. 92785, Revision B, dated 2-15-01 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: 5-17-95 Late visced:

Date of Issuance: 6-01-95 Date Amended: 2-15-01 By Direction of the Administrator FEDERAL AVIATION (Signature) TOMNISTRATO Michael Keirnan DAS Staff Coordinator, DAS 5 SW (Title) Any alteration of hable by a fine of not exceeding $1,000, or imprisonment not exceeding 3 years, or both.

PAA Form 8110-2 (10-68)

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA09007 AC-D Limitations and Conditions: (con't.)

FAA/DAS Approved Supplemental Flight Manual, P/N 891171, dated 6-01-95 is required for Cessna Models 182P and 182Q, S/N 18266590 and below or later FAA Approved revisions of the above supplement.

2. FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement, P/N 891172, dated 6-01-95 is required for Cessna Model 182Q, S/N 18266591 and up or later FAA Approved revisions of the above supplement.

3. FAA/DAS Approved Supplemental Flight Manual, P/N 891171, Revision 1, dated 2-15-01 is required for Cessna models 182P and 182Q, S/N 18266590 and below for S-TEC System 55/55X or later FAA Approved revisions of the above supplement.

4. FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement, P/N 891172, Revision 1, dated 2-15-01 is required for Cessna model 182Q, S/N 18266591 and up for S-TEC System 55/55X or later FAA Approved revisions of the above supplement.

5. 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

## Every issue (1)

- February 15, 2001: Amended, Current. [certificate](https://openairdocs.org/files/sha256/b0/fe/b0fe1b2c1bc05771dd8118f23e39ca4153dd080d55e9f14101ed469f28a85f08)

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