# STC SA09194AC-D

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC Yaw Damper System, Model ST-652.
- Applied: December 13, 1996
- Status date: December 17, 1996
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A7SO](https://openairdocs.org/tcds/A7SO)
- Certificate PDF: https://openairdocs.org/files/sha256/0a/09/0a095709562af3508d0dc7a20545ad83030b87d1d6f7a5971f4d05f63b4507b1
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/7C9C2405E8380C3A85256CC1007F3A07.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA09194AC-D

## ADs that name it (0)

None.

## Approved models (2)

- Piper Aircraft Inc. PA-34-200T ([TCDS A7SO](https://openairdocs.org/tcds/A7SO))
- Piper Aircraft Inc. PA-34-220T ([TCDS A7SO](https://openairdocs.org/tcds/A7SO))

## 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: SA09194 AC-D This certificate issued to: S-TEC Corporation One S-TEC Way Mineral Wells Municipal Airport Mineral Wells, TX 76067-9236 Part 23 of the Federal I viation Regulations.

Original Product Type Certificate Number: A750 Make: PIPER Model: PA-34-200T AND PA-34-220T Description of Type Design Change: ;

Installation of S-TEC Yaw Damper System, Model ST-652, according to Bulletin No. 752, dated 12-11-96 and Master Drawing List No. 92966 dated 12-11-96 or later FAA Approved revisions of the above data (28 Volt System).

1. FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Supplement, P/N 891320, dated 12-17-96 is required for Piper Models PA-34-200T and PA-34-220T or later FAA Approved revisions of the above supplement.

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

Date of Application: 12-13-96 Date Amended:

Date of Issuance: 12-17-96 FEDERAL AVIATION By Direction of the Administrator TOMINSTRATO William J. Thomas DAS Staff Coordinator, DAS 5 SW (Title)

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA09194 AC-D Limitations and Conditions: (con't.)

2: 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 and forwapd it to fin

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

Signature of grantor (In ink):

## Every issue (1)

- December 17, 1996: Issued, Current. [certificate](https://openairdocs.org/files/sha256/0a/09/0a095709562af3508d0dc7a20545ad83030b87d1d6f7a5971f4d05f63b4507b1)

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