# STC SA09766DS

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: S-TEC Corporation, USA
- Description: Installation of an S-TEC 01326 Digital Flight Control System (DFCS)
- Applied: June 9, 2022
- Status date: May 25, 2023
- Product: Aircraft, Small Airplane
- Certification basis: Part 23
- Data sheets: [TCDS A1EA](https://openairdocs.org/tcds/A1EA)
- Certificate PDF: https://openairdocs.org/files/sha256/85/4c/854c50ffa236d696dfcb627fdb59ac8f41ed00d1d05cd6014f8795d1a7f6a1db
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID156488086720230922152356.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA09766DS

## ADs that name it (0)

None.

## Approved models (2)

- Piper Aircraft Inc. PA-30 ([TCDS A1EA](https://openairdocs.org/tcds/A1EA))
- Piper Aircraft Inc. PA-39 ([TCDS A1EA](https://openairdocs.org/tcds/A1EA))

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

SA09766DS S-TEC Corporation One S-TEC Way Mineral Wells, Texas 76067-9236 23 Code of Federal Regulations A1EA Piper Aircraft, Inc.

PA-30 and PA-39

1. Installation of an S-TEC 01326 Digital Flight Control System (DFCS), in accordance with Master Data List ST-988-MDL-0001, Revision -, dated 5-24-23 or later FAA approved revision.

2. Airplane Flight Manual Supplement ST-988-AFMS-0001, Rev. -, dated 5-25-23, or later FAA approved revision is required.

3. Instructions for Continued Airworthiness ST-988-ICA-0001, Rev. -, dated 4-13-23, or later FAA approved revision is required.

1. This STC is applicable to all serial numbers for Piper Aircraft, Inc. models PA-30 and PA-39.

2. Also eligible on the above models when modified per STC SA727SW (tip tanks) (See continuation sheet 3) June 9, 2022 May 25, 2023

Lead ODA administrator 3

SA09766DS 3

SA09766DS Limitations and Conditions:

3. The installer must determine whether this design change is compatible with previously approved modifications.

4. If the holder agrees to permit another person to use this certificate to alter a product the holder must give the other person written evidence of that permission.

5. Certification Basis: Compliance determination used for this STC FAR 23.143(a)(2)(3)(4)(b)(c) Amdt 23-0 FAR 23.867(a)(b) Amdt 23-7 FAR 23.301 Amdt 23-0 FAR 23.1301 Amdt 23-62 FAR 23.303 Amdt 23-0 FAR 23.1306 Amdt 23-61 FAR 23.305 Amdt 23-0 FAR 23.1308(a)(b)(c) Amdt 23-57 FAR 23.307 Amdt 23-0 FAR 23.1309 Amdt 23-62 FAR 23.395(a)(1) Amdt 23-7 FAR 23.1321(a)(e) Amdt 23-20 FAR 23.397 Amdt 23-7 FAR 23.1322 Amdt 23-43 FAR 23.561(b)(e) Amdt 23-7 FAR 23.1325(b) Amdt 23-6 FAR 23.601 Amdt 23-0 FAR 23.1329 Amdt 23-49 FAR 23.603 Amdt 23-0 FAR 23.1335 Amdt 23-20 FAR 23.605 Amdt 23-0 FAR 23.1351(a) Amdt 23-7 FAR 23.607 Amdt 23-17 FAR 23.1357(a)(b)(c)(d) Amdt 23-0 FAR 23.609 Amdt 23-0 FAR 23.1365 Amdt 23-0 FAR 23.611 Amdt 23-7 FAR 23.1367 Amdt 23-0 FAR 23.613 Amdt 23-0 FAR 23.1381(a) Amdt 23-0 FAR 23.619 Amdt 23-7 FAR 23.1431(a)(b)(e) Amdt 23-62 FAR 23.625(a) Amdt 23-7 FAR 23.1501 Amdt 23-7 FAR 23.627 Amdt 23-0 FAR 23.1525 Amdt 23-0 FAR 23.671 Amdt 23-0 FAR 23.1529 Amdt 23-26 FAR 23.677 Amdt 23-7 FAR 23.1541(a)(2)(b) Amdt 23-0 FAR 23.685(a)(c)(d)Amdt 23-0 FAR 23.1555(a)(b)(e)(2) Amdt 23-62 FAR 23.689 Amdt 23-7 FAR 23.1581 Amdt 23-0 FAR 23.693 Amdt 23-0 FAR 23.1583(a)(h) Amdt 23-7 FAR 23.771(a) Amdt 23-14 FAR 23.1585(a) Amdt 23-0 FAR 23.773(a)(1) Amdt 23-14 FAR 23.777(a)(b) Amdt 23-7 END May 25, 2023 3 3

## Every issue (1)

- May 25, 2023: Issued, Current. [certificate](https://openairdocs.org/files/sha256/85/4c/854c50ffa236d696dfcb627fdb59ac8f41ed00d1d05cd6014f8795d1a7f6a1db)

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