# STC SA09145AC-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 1A3](https://openairdocs.org/tcds/1A3)
- Certificate PDF: https://openairdocs.org/files/sha256/88/7b/887b1dd20fb85cdc7b54ced43e2f31cb92b8c893e633f67f46240353440e1502
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/D1DA58E950872A5585256CC1007F39E3.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA09145AC-D

## ADs that name it (0)

None.

## Approved models (3)

- Alexandria Aircraft LLC 17-30 ([TCDS 1A3](https://openairdocs.org/tcds/1A3))
- Alexandria Aircraft LLC 17-31 ([TCDS 1A3](https://openairdocs.org/tcds/1A3))
- Alexandria Aircraft LLC 17-31TC ([TCDS 1A3](https://openairdocs.org/tcds/1A3))

## 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: SA09145 AC-D This certificate issued to: S-TEC Corporation One S-TEC Way Mineral Wells Municipal Airport Mineral Wells, TX 76067-9236 Part 3 of the bied Ali Regulations.

Original Product I ype Certifcate Number: 1AЗ Make: Bellanca Model: 17-30, 17-31, and 17-31TC Description of Type Design Change:

Installation of S-TEC System 55/55X Two Axis Automatic Flight Guidance System. Model ST-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 mike K (Signature) TOMINISTRATO DAS Staff Coordinator, DAS 5 SW Michael Keirnan (Title) 47

) FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement, P/N 891244, dated 4-12-96 is required for Bellanca Models 17-30, 17-31, and 17-31TC or later FAA Approved revisions of the above supplement.

FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement, P/N 891244, Revision 1, dated 10-03-01 is required for Bellanca models 17-30, 17-31, and 17-31TC 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.

PAA Form 8110-2-1(10-69) Page 2 of 2

## Every issue (1)

- October 3, 2001: Amended, Current. [certificate](https://openairdocs.org/files/sha256/88/7b/887b1dd20fb85cdc7b54ced43e2f31cb92b8c893e633f67f46240353440e1502)

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