# STC SA09266AC-D

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC System 30 ALT Altitude Hold System, Model ST-716.
- Applied: August 8, 1997
- Status date: August 12, 1997
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 1A15](https://openairdocs.org/tcds/1A15)
- Certificate PDF: https://openairdocs.org/files/sha256/68/de/68de935b45e8aa9851a99226aa80a304e2bc6ed28e1093e7d9cb777c126e9ea9
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/9D49F8ADB6FC1B4685256CC1007F3A51.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA09266AC-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: SA09266AC-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 hereon meets the airworthiness regurements of Part 3 of the birit I i Regulations.

Original Product I ype 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 30 ALT Altitude Hold System, Model ST-716, according to Bulletin No. 816, dated 8-06-97 and Master Drawing List No. 921019, dated 8-06-97 or later FAA Approved revisions of the above data (14 Volt System).

Limitations and Conditions: enditions:

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

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

Date of Application: 8-08-97 Date Reissued:

Date of Issuance: 8-12-97 Date Amended:

By Direction of the Administrator FEDERAL AVIATION Win Same TOMINISTRATIO William J. Thomas DAS Staff Coordinator, DAS 5 SW (hitle)

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA09266AC-D Limitations and Conditions: (con't.)

2. FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement, P/N 891489, dated 8-12-97 is required for Piper Models PA-24 (PA-24-180), PA-24-250, and PA-24-260 And The Above Models When Modified In Accordance With STC SA4-1351 or STC SA4-1235 As Applicable (Wing Tip Tanks) 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 891490, dated 8-12-97 is required for Piper Model PA-24-400 or later FAA Approved revisions of the above supplement.

4. 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 FAR will reissue the certificate in the name of the transferee end forward it 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 2IP code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

## Every issue (1)

- August 12, 1997: Issued, Current. [certificate](https://openairdocs.org/files/sha256/68/de/68de935b45e8aa9851a99226aa80a304e2bc6ed28e1093e7d9cb777c126e9ea9)

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