# STC SA09139AC-D

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC manual electric trim system, Mode ST-619.
- Applied: March 7, 1996
- Status date: March 13, 1996
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A19SO](https://openairdocs.org/tcds/A19SO)
- Certificate PDF: https://openairdocs.org/files/sha256/8a/24/8a24112ece7d5559c4e5f69420fbf3fac37ac29c3aee9ccb1875219f5c9b3da1
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E86E9E784CC5C37F85256CC1007F39DC.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA09139AC-D

## ADs that name it (0)

None.

## Approved models (1)

- Piper Aircraft Inc. PA-44-180 ([TCDS A19SO](https://openairdocs.org/tcds/A19SO))

## 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 5A09139AC-0 This certificate issued to: S-TEC Corporation 946 Pegram Mineral Wells, TX 76067 Port 23 of the Federal Aviation Regulations Original Product - Typebortificato Number: A1950 Make: Piper Model: PA-44-180 Description of Type Design Change:

Installation of S-TEC Manual Electric Trim System, Model ST-619, according to Bulletin No. /19, dated 3-05-96 and Master Drawing List No. 92898, dated 3-05-96 (Field Installation) OR Master Drawing List No. 92898-1, dated 3-05-96 (Piper Factory Installation) or later FAA Approved revisions of the above data (14 Volt System).

1. FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement, P/N 891228, dated 3-13-96 is required for Piper Model PA-44-180 or later FAA Approved revisions of the above supplement.

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

Thomas _DAS Staff Coordinator, DAS 5 SW (Title)

FAA Foss 8110-2 (10-68)

2. FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement, P/N 891230, dated 3-13-96 is required for Piper Model PA-44-180 with S-TEC Manual Electric Trim System with Trim Monitor 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.

**FAA FORM 8110-2-1 (10-89) PAGE 2 OF 2 PAGES**

## Every issue (1)

- March 13, 1996: Issued, Current. [certificate](https://openairdocs.org/files/sha256/8a/24/8a24112ece7d5559c4e5f69420fbf3fac37ac29c3aee9ccb1875219f5c9b3da1)

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