# STC SA5172SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC system 60 pitch stabilization system, Model ST-050 with optional automatic electric trim system.
- Applied: April 15, 1983
- Status date: August 10, 1989
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 2A3](https://openairdocs.org/tcds/2A3)
- Certificate PDF: https://openairdocs.org/files/sha256/64/d8/64d8536e3896195d5fcfc63fb9f841d4950f9000e0a709380f7575a04edf22b8
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/01A3ACADD0464C8A85256CC200122738.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA5172SW-D

## ADs that name it (0)

None.

## Approved models (3)

- Mooney International Corporation M20C ([TCDS 2A3](https://openairdocs.org/tcds/2A3))
- Mooney International Corporation M20D ([TCDS 2A3](https://openairdocs.org/tcds/2A3))
- Mooney International Corporation M20E ([TCDS 2A3](https://openairdocs.org/tcds/2A3))

## 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.

United States of amtrita Department of transportation federal 2Uriation administration Supplemental 'Cgpe Certificate isteaMta£u>nA/.

SA5172SW-D S-TEC Corporation Rt. 4, Bldg. 946 Wolters Industrial Complex Mineral Wells, Texas 76067 ^nxy^^5i^^ 3 Civil Air 2A3 Mooney M20C, M20D and M20E Installation of S-TEC System 60 Pitch Stabilization System, Model ST-050, with Optional Automatic Electric Trim System according to Bulletin No. 153, Revision 3, dated 6-22-89 and Master Drawing List No. 9257, Revision C, dated 6-22-89 and/or later FAA Approved revisions of the above data (14 Volt System).

1. Only eligible on Model M20D When Modified Per Mooney Drawing No. 950082 (Retractable Gear Conversion).

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

s&^ J(la&^ 4_-|5_83 6-28-83 : 8-10-89, Revision 1 (Signature ) Harold W. Holdeman DAS Staff Coordinator, DAS 5 SW (Title)

FAA Fo«M 81 10-2 (10-68)

ttnitrd gtatt* of amenta Btpartmtnt of transportation— Jfederal Nation administration Supplemental TCpe Certificate(Continuation $httt) SA5172SW-D, Revision 1 Limitations and Conditions (con't.)

2. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 8961-1, dated 6-28-83 is required for Mooney Models M20C and M20E and/or later FAA Approved revisions of the above supplement.

3. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 8961-2, dated 8-10-89 is required for Mooney Models M20C; M20D When Modified Per Mooney Drawing No. 950082 (Retractable Gear Conversion) and M20E and/or later FAA Approved revisions of the above supplement.

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

A>n alteration of this certificate is punishable by a fine of not exceeding Sl,000, or imprisonment not exceeding 3 years, or bnlh.

TAA FORM 8110-2-1 (to-69) This certificate may be transferred in accordance with I'AK ;'/.•/" PAGE 2 OF 2 PAGES

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

Signature of grantor (In ink):

U.S. GOVERNMENT PRINTING OFFICE : 1966 OF —205-579

## Every issue (1)

- August 10, 1989: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/64/d8/64d8536e3896195d5fcfc63fb9f841d4950f9000e0a709380f7575a04edf22b8)

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