# STC SA7805SW-D

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC manual electric trim system, model ST-474.
- Applied: August 26, 1991
- Status date: January 17, 1996
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 2A13](https://openairdocs.org/tcds/2A13)
- Certificate PDF: https://openairdocs.org/files/sha256/74/ae/74aefdab472b5421c703d6fa12d59e08a350b0e996f38002ceadf8913514043c
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/56B905178985677685256CC20056A4B0.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA7805SW-D

## ADs that name it (0)

None.

## Approved models (4)

- The New Piper Aircraft Inc. PA-28R-180 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- The New Piper Aircraft Inc. PA-28R-200 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- The New Piper Aircraft Inc. PA-28R-201 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- The New Piper Aircraft Inc. PA-28R-201T ([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.

Quied Sat of Arcia Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number 5A780554-0 This certificate issued to: S-TEC Corporation 946 Pegram Mineral Wells, TX 76067 Part 3 of the CIVIl Air Rogulations Original Product Typo Certificato Number: 2A13 Make: Piper Model: PA-28R-180, PA-28R-200, PA-28R-201, and Description of Type Design Change: PA-28R-2017 Installation of S-TEC Manual Electric Trim System, Model ST-474, according to Bulletin No. 5/4, Revision 1, dated 1-09-96 and Master Drawing List No. 92549, Revision A, dated 1-09-96 (Field Installation) OR Master Drawing List No. 92549-1, dated 1-09-96 (Piper Factory Installation) or later FAA Approved revisions of the above data (14 Volt System).

1. FAA/DAS Approved Airplane Flight Manual Supplement, P/N 89940, dated 8-30-91 is required for Piper Models PA-28R-180, PA-28R-200, PA-28R-201, and PA-28R-201T or later FAA Approved revisions of the above supplement.

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

Thomas (Tille)

This certificate may be transferred in eccordance with FAR 21.17.

rAn 0110-8 (10-68)

Amiced Scares of Sarra Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA78055W-D, Revision 1 Limitations and Conditions: (con't.)

2. FAA/DAS Approved Airplane Flight Manual Supplement, P/N 891214, dated 1-17-96 is required for Piper Model PA-28R-201 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.

**17 PAGE 2 OF 2 PAGES**

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and streel) (City, State, and ZIP code) from (Name of grantor) (Print or type) (Address of grantor) (Nunher and streel) ( City. State, and AlP code!

Signature of grantor (In ink):

## Every issue (1)

- January 17, 1996: Amended, Current. [certificate](https://openairdocs.org/files/sha256/74/ae/74aefdab472b5421c703d6fa12d59e08a350b0e996f38002ceadf8913514043c)

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