# STC SA09146AC-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-615,
- Applied: April 8, 1996
- Status date: October 3, 2001
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A18CE](https://openairdocs.org/tcds/A18CE)
- Certificate PDF: https://openairdocs.org/files/sha256/31/f4/31f40f96dd40e0f79b8a2649c05cb85586ab86e519d048d7137474c4f52290e5
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/7EB943D5FFF7ED7985256CC1007F39E5.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA09146AC-D

## ADs that name it (0)

None.

## Approved models (3)

- Alexandria Aircraft LLC 17-30A ([TCDS A18CE](https://openairdocs.org/tcds/A18CE))
- Alexandria Aircraft LLC 17-31A ([TCDS A18CE](https://openairdocs.org/tcds/A18CE))
- Alexandria Aircraft LLC 17-31ATC ([TCDS A18CE](https://openairdocs.org/tcds/A18CE))

## 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: SA09146 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 froduct with the limitations and conditions thowfor as speciped hereen meets the aiuvorhiness requivements of Part 23 of the I ederal A viation Regulations.

Original Product I ype Certifcate Number: A-18CE Make: Bellanca Model: 17-30A, 17-31A, and 17-31ATC Description of Type Design Change:

Installation of S-TEC System 55/55X Two Axis Automatic Flight Guidance System, Model S1-615, according to Bulletin No. 715, Revision 1, dated 10-03-01 and Master Drawing List No. 92919, Revision A, dated 10-03-01 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: 4-08-96 Date Reissued:

Date of Issuance: 4-12-96 Date Amended: 10-03-01 By Direction of the Administrator FEDERAL AVIATION Make 1 (Signature) TOMINSTRATIO DAS Staff Coordinator, DAS 5 SW Michael Keiran (Title)

PAA Form 8110-2 (10-68) Page 1 of 2

) FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement, P/N 891245, dated 4-12-96 is required for Bellanca Models 17-30A, 17-31A, and 17-31ATC or later FAA Approved revisions of the above supplement.

FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Manual Suppiement, P/N 891245, Revision 1, dated 10-03-01 is required for Bellanca models 17-30A, 17-31A, and 17- 31ATC for S-TEC System 55/55X or later FAA Approved revisions of the above supplement.

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

my alteration of this cert lishable by a fine of not exceeding $1.000, or imprisonment not exceeding 3 years, or both.

AA Porm 8110-2-1(10-691

## Every issue (1)

- October 3, 2001: Amended, Current. [certificate](https://openairdocs.org/files/sha256/31/f4/31f40f96dd40e0f79b8a2649c05cb85586ab86e519d048d7137474c4f52290e5)

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