# STC SA09260AC-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-715-20/30.
- Applied: July 25, 1997
- Status date: July 29, 1997
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 1A15](https://openairdocs.org/tcds/1A15)
- Certificate PDF: https://openairdocs.org/files/sha256/f4/43/f4439ad1cd713be19af2b0995f4e65205aef8a6d197dbabbb53bf527c3bb2188
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E6BAE2942A23FC4385256CC1007F3A4B.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA09260AC-D

## ADs that name it (0)

None.

## Approved models (4)

- Piper Aircraft Inc. PA-24 ([TCDS 1A15](https://openairdocs.org/tcds/1A15))
- Piper Aircraft Inc. PA-24-250 ([TCDS 1A15](https://openairdocs.org/tcds/1A15))
- Piper Aircraft Inc. PA-24-260 ([TCDS 1A15](https://openairdocs.org/tcds/1A15))
- Piper Aircraft Inc. PA-24-400 ([TCDS 1A15](https://openairdocs.org/tcds/1A15))

## 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: SA09260 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 horeon meets the armorthiness regurements of Part 3 of the Civil A Regulations.

Original Product Type Certifcate Number: 1A15 Make: Piper Model: PA-24 (PA-24-180), PA-24-250, PA-24-260, AND PA-24-400 Description of Type Design Change:

Installation of S-TEC System 20/30 Single and Two Axis Automatic Flight Guidance Systems, Model ST-715-20/30, according to Bulletin No. 815, dated 7-24-97 and Master Drawing List No. 921015, dated 7-24-97 or later FAA Approved revisions of the above data (14 Volt System).

Also eligible on Models PA-24 (PA-24-180), PA-24-250, PA-24-260 When Modified In Accordance With STC SA4-1351 or STC SA4-1235 As Applicable (Wing Tip Tanks).

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

Date of Application: 7-25-97 Bale wisued:

Date of Issuance: 7-29-97 Date Amended:

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

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA09260AC-D

2. FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement, P/N 891467, dated 7-29-97 is required for Piper Models PA-24 (PA-24-180), PA-24-250, PA-24-260 And The Above Models When Modified In Accordance With STC SA4-1351 or STC SA4-1235 As Applicable (Wing Tip Tanks) for S-TEC System 20 dated 7-29-97 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 891468, dated 7-29-97 is required for Piper Models PA-24-400 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 891469, dated 7-29-97 is required for Piper Models PA-24 (PA-24-180), PA-24-250, PA-24-260 And The Above Models When Modified In Accordance With STC SA4-1351 or STC SA4-1235 As Applicable (Wing Tip Tanks) for S-TEC System 30 dated 7-29-97 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 891470, dated 7-29-97 is required for Piper Models PA-24-400 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 Form 8110-2-1(10-69) Page 2 of 2

The FAA will teissue the certificate in the name of the transferee and forward i to him.

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)

- July 29, 1997: Issued, Current. [certificate](https://openairdocs.org/files/sha256/f4/43/f4439ad1cd713be19af2b0995f4e65205aef8a6d197dbabbb53bf527c3bb2188)

---
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.