# STC SA09251AC-D

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: S-TEC Corporation, United States
- Description: Installation of S-Tec System 20/30 Single and Two Axis Automatic Flight Guidance Systems, Model ST-703-20/30.
- Applied: June 24, 1997
- Status date: June 26, 1997
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 2A13](https://openairdocs.org/tcds/2A13)
- Certificate PDF: https://openairdocs.org/files/sha256/a9/98/a998db5c352900adb5aa640266956900e5d504918e43500675396813395276bc
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/70602F05DF6758DC85256CC1007F3A41.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA09251AC-D

## ADs that name it (0)

None.

## Approved models (5)

- Piper Aircraft Inc. PA-28-151 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- Piper Aircraft Inc. PA-28-161 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- Piper Aircraft Inc. PA-28-181 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- Piper Aircraft Inc. PA-28-201T ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- Piper Aircraft Inc. PA-28-236 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))

## 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: SA09251 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 limitations and conditions therefor as specifed horon meets the airmorthiness regurements of Part 3 of the Civil A i Regulations.

Original Product I ype Cerlipcate Number: 2A13 Make: Piper Model: PA-28-151, PA-28-161, PA-28-181, PA-28-236, AND PA-28-201T Description of Type Design Change:

Installation of S-TEC System 20/30 Single and Two Axis Automatic Flight Guidance Systems, Model ST-703-20/30, according to Bulletin No. 803, dated 6-23-97 and Master Drawing List No. 921009, dated 6-23-97 or later FAA Approved revisions of the above data (14 Volt System).

Also eligible on Model PA-28-151 When Modified Per STC SA2969SW (160 H.P. Engine Conversion).

(See Continuation Sheet, Page 2, a part of this STC.)

Date of Application: 6-24-97 Date Reissued:

Date of Issuance: 6-26-97 Date Amended:

By Direction of the Administrator FEDERAL AVIATION Wice Do Themes TOMMISTFATOR William J. Thomas DAS Staff Coordinator, DAS 5 SW (Title)

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

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA09251 AC-D Limitations and Conditions: (con't.)

2. FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement, P/N 891438, dated 6-26-97 is required for Piper Models PA-28-151, S/N 28-7615001 And Up;

PA-28-161, PA-28-181, and PA-28-236; and PA-28-151, S/N 28-7615001 And Up When Modified Per STC SA2969SW (160 H.P. Engine Conversion) for S-TEC System 20 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 891439, dated 6-26-97 is required for Piper Model PA-28-151, S/N 28-7515449 And Below And The Above Model When Modified Per STC SA2969SW (160 H.P. Engine Conversion) 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 891440, dated 6-26-97 is required for Piper Model PA-28-201T for S-TEC System 20 or later FAA Approved revisions of the above supplement.

5. FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement, P/N 891441, dated 6-26-97 is required for Piper Models PA-28-151, S/N 28-7615001 And Up;

PA-28-161, PA-28-181, and PA-28-236; and PA-28-151, S/N 28-7615001 And Up When Modified Per STC SA2969SW (160 H.P. Engine Conversion) for S-TEC System 30 or later FAA Approved revisions of the above supplement.

6. FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement, P/N 891442, dated 6-26-97 is required for Piper Model PA-28-151, S/N 28-7515449 And Below And The Above Model When Modified Per STC SA2969SW (160 H.P. Engine Conversion) for S-TEC System 30 or later FAA Approved revisions of the above supplement.

7. FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement, P/N 891443, dated 6-26-97 is required for Piper Model PA-28-201T for S-TEC System 30 or later FAA Approved revisions of the above supplement.

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

FAA Porm 8110-2-1(10-69) Page 2 of 2

The FAA will reissue the certificate in the name of the transferee and forward it

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)

- June 26, 1997: Issued, Current. [certificate](https://openairdocs.org/files/sha256/a9/98/a998db5c352900adb5aa640266956900e5d504918e43500675396813395276bc)

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