# STC SA7179SW-D

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: S-TEC Corporation, United States
- Description: Isntallation of S-TEC manual electric trim system, Model ST-434.
- Applied: May 18, 1988
- Status date: May 25, 1988
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 2A13](https://openairdocs.org/tcds/2A13)
- Certificate PDF: https://openairdocs.org/files/sha256/e3/f3/e3f37316143fe35a4f9d7a210d5ba751ef7ea69f6c010106e5db19eeaf047eff
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/04866E1A8F2ACD4285256CC20056A1DA.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA7179SW-D

## ADs that name it (0)

None.

## Approved models (2)

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

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA71795W-D This certificate issued to: S-TEC Corporation Rt. 4, Bldg. 946 Wolters Industrial Complex Mineral Wells, Texas /606/ Part 3 of the CiVil Air Regulations.

Original Product Typebertificate Number: 2A13 Make: Piper Model: PA-28RT-201 and PA-28RT-201T Description of Type Design Change:

Installation of S-TEC Manual Electric Trim System, Model ST-434, according to Bulletin No. 534, dated 5-16-88 and Master Drawing List No. 92475, dated 5-16-88 and/or later FAA Approved revisions of the above data (14 Volt System).

1. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89785, dated 5-25-88 is required and/or later FAA Approved revisions of the above supplement.

2. Compatability of this modification with other previously approved modifications must be determined by the installer.

Date of Application: 5-18-88 Date Reissued:

Date of Issuance: . 5-25-88 Date Amended:

FEDERAL AVIATION By Direction of the Administrator (Signature ) TOMINISTRATO DAS Staff Coordinator, DAS 5 SW Harold W. Holdeman (Title) 47 FAA FORM 8110-2 (10-68)

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and street) (City, State, and Z1P code) from (Name of grantor) (Print or type) (Address of grantor) (Number and street) (City, State, and ZIP code) Exent of Authority (if licensing agreement) :

Signature of grantor (In ink) :

## Every issue (1)

- May 25, 1988: Issued, Current. [certificate](https://openairdocs.org/files/sha256/e3/f3/e3f37316143fe35a4f9d7a210d5ba751ef7ea69f6c010106e5db19eeaf047eff)

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