# STC SA09258AC-D

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC System 20/30 Single and Two Axis Automatic Flight Guidance Systems, Model ST-713-20/30.
- Applied: July 15, 1997
- Status date: November 16, 1998
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A12SO](https://openairdocs.org/tcds/A12SO)
- Certificate PDF: https://openairdocs.org/files/sha256/26/f1/26f1fe3e8d3628de6654727c572c8e13376869132e01e9ef3af6f4deacbfa300
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/6D104C9D05B3ED2D85256CC1007F3A49.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA09258AC-D

## ADs that name it (0)

None.

## Approved models (6)

- Commander Aircraft Corporation 112 ([TCDS A12SO](https://openairdocs.org/tcds/A12SO))
- Commander Aircraft Corporation 112B ([TCDS A12SO](https://openairdocs.org/tcds/A12SO))
- Commander Aircraft Corporation 112TC ([TCDS A12SO](https://openairdocs.org/tcds/A12SO))
- Commander Aircraft Corporation 112TCA ([TCDS A12SO](https://openairdocs.org/tcds/A12SO))
- Commander Aircraft Corporation 114 ([TCDS A12SO](https://openairdocs.org/tcds/A12SO))
- Commander Aircraft Corporation 114A ([TCDS A12SO](https://openairdocs.org/tcds/A12SO))

## 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: SA09258 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 I riation Regulations.

Original Product Type Certifcate Number: A12SO Make: Commander Aircraft Model: 112, 112B, 112TC, 112TCA, 114, and 114A Description of Type Design Change:

Installation of S-TEC System 20/30 Single and Two Axis Automatic Flight Guidance Systems, Model ST-713-20/30, according to Bulletin No. 813, Revision 2, dated 9-30-98 and Master Drawing List No.

921013, Revision B, dated 9-30-98 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.

suspended, revoked or a termination date is others established by the t dministator of the Federal I viation Administration.

Date of Application: 7-15-97 Date Reissued:

Date of Issuance: 7-17-97 Date Amended: 10-05-98, 11-16-98, Revision 2 By Direction of the Administrator FEDERAL AVIATION mle le (Signature) TOMINSTRATOF Michael Keirnan DAS Staff Coordinator, DAS 5 SW (Title) pration of this certificate Is punishable by 4 fine of not exceeding 51,000, or Imprisonment not exceeding 3 years, or both.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA09258AC-D, Revision 2 Limitations and Conditions: (con't.)

FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement.

P/N 891458, dated 7-17-97 is required for Commander Aircraft Models 112, S/N 126 & Above 112B, 112TC, 112TCA, 114, and 114A for S-TEC System 20 or later FAA Approved revisions of the above supplement.

FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement, P/N 891459, dated 7-17-97 is required for Commander Aircraft Models 112, S/N 126 & Above:

112B, 112TC, 112TCA, 114, and 114A for S-TEC System 30 or later FAA Approved revisions of the above supplement.

FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement, P/N 891458, Revision 1, dated 10-05-98 is required for Commander Aircraft Models 112, 112B, 112TC, 112TCA, 114, and 114A for S-TEC System 20 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 891459, Revision 1, dated 10-05-98 is required for Commander Aircraft Models 112, 112B.

112TC, 112TCA, 114, and 114A for S-TEC System 30 or later FAA Approved revision 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

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

Signature of grantor (In ink):

## Every issue (1)

- November 16, 1998: Amended, Current. [certificate](https://openairdocs.org/files/sha256/26/f1/26f1fe3e8d3628de6654727c572c8e13376869132e01e9ef3af6f4deacbfa300)

---
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.
