# STC SA09136AC-D

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC System 40/50 single and two axis automatic flight guidance systems, Model ST-526.
- Applied: December 8, 1995
- Status date: April 21, 1999
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A8SW](https://openairdocs.org/tcds/A8SW)
- Certificate PDF: https://openairdocs.org/files/sha256/49/0f/490f7643e904176eefca161c31353cbedcd877ed4839318dd83fbc4c0ade0fed
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/9562EAC069D5A93985256CC1007F39D9.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA09136AC-D

## ADs that name it (0)

None.

## Approved models (1)

- M7 Aerospace LLC SA227-AC (C-26A) ([TCDS A8SW](https://openairdocs.org/tcds/A8SW))

## 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: SA09136AC-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 freduct with the limitations and conditions therefor as specifed hercen meets the ancorthiness requisements of Fart 23 of the Federal-d vintion Regulutions.

Original Product I ype Certifeate I amber: A8SW Make: Fairchild Aircraft Model: SA227-AC (C-26A) Description of Type Design Change:

Installation of S-TEC System 40/50 Single and Two Axis Automatic Flight Guidance Systems, Model ST-526-40/50, according to Bulletin No. 626, Revision 3, dated 4-16-99 and Master Drawing List No.

92681, Revision C, dated 4-16-99 or later FAA Approved revisions of the above data (28 Volt System).

FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement, P/N 891067, dated 12-13-95 is required for Fairchild Aircraft Model SA227-AC (C-26A) for S-TEC System 40 or later FAA Approved revisions of the above supplement.

(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, serched or a termination date is ethereise established by the A drinistates of the Federal of vintion

• Administration.

Date of Application: 12-08-95 Late vessned:

Date of Issuance: 12-13-95 Date Amended: 4-21-99, Revision 1 By Direction of the Administrator FEDERAL AVIATION (Signature) TOMNISTRATO DAS Staff Coordinator, DAS 5 SW Michael Keirnan (Title) 000, or impris ding 3 years, or both.

certificate ance with PAR 21.47.

2. FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement, P/N 891068, dated 12-13-95 is required for Fairchild Aircraft Model SA227-AC (C-26A) for S-TEC System 50 or later FAA Approved revisions of the above supplement.

3. FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement, P/N 891224S, dated 12-13-95 is required for Fairchild Aircraft Model SA227-AC (C-26A) for S-TEC System 50 WITH NO TRACK OPTION or later FAA Approved revisions of the above supplement.

4. FAA/DAS Approved Airplane Flight Manual Supplement, P/N 891067, Revision 1, dated 4-21-99 is required for Fairchild Aircraft model SA227-AC (C-26A) for S-TEC System 40 or later FAA Approved revisions of the above supplement.

5. FAA/DAS Approved Airplane Flight Manual Supplement, P/N 891068, Revision 1, dated 4-21-99 is required for Fairchild Aircraft model SAZ27-AC (C-26A) for S-TEC System 50 or later FAA Approved revisions of the above supplement.

6. FAA/DAS Approved Airplane Flight Manual Supplement, P/N 891224S, Revision 1, dated 4-21-99 is required for Fairchild Aircraft model SA227-AC (C-26A) for S-TEC System 50 WITH NO TRACK OPTION or later FAA Approved revisions of the above supplement.

7. 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)

- April 21, 1999: Amended, Current. [certificate](https://openairdocs.org/files/sha256/49/0f/490f7643e904176eefca161c31353cbedcd877ed4839318dd83fbc4c0ade0fed)

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