# STC SA4176SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC system 60 two axis flight guidance system, Model ST-015, with optional autotrim system
- Applied: July 10, 1980
- Status date: July 30, 1982
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 2A3](https://openairdocs.org/tcds/2A3)
- Certificate PDF: https://openairdocs.org/files/sha256/f6/16/f616b90b8654051daf253125e7cdb8d2ad84af3f283a8e38faece136c445ba78
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B731C11C529E251986257DF80071375F.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA4176SW

## ADs that name it (0)

None.

## Approved models (3)

- Mooney International Corporation M20F ([TCDS 2A3](https://openairdocs.org/tcds/2A3))
- Mooney International Corporation M20G ([TCDS 2A3](https://openairdocs.org/tcds/2A3))
- Mooney International Corporation M20J ([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.

ttnitrd States of amtrica Bcpartmcnt of transportation—federal atriation Administration Supplemental i:gpe Certificate *slea4ACa£&n*i.

<-/utmvw SA4176SW DT83-1SW FKP-190 S-TEC Corporation Rt. 4, Bldg. 946 Wolters Industrial Complex Mineral Wells, Texas 76067 s6uJi&j£bea4ia#vf^^ri&ft>(£0a>tm^ J^Mi/>**Mr^^ 3 Civil Air 2A3 Mooney M20F, M20G, M20J installation of S-TEC System 60 Two Axis Flight Guidance System, Model ST-015, with Optional Autotrim System according to Bulletin No. 115, Revision 5, dated 5/10/82 and Master Drawing Ust No. 9212, Revision E, dated 5/10/82, with Optional Flight Director Steering Horizon;

or according to later FAA approved revision. (14 Volt System) See Continuation Sheet, page 2, of this STC.

C77 <JZe<&M><i6 S$drni*n4A/f€i&i^^fJ&e' : 8/10/81; 7/12/82; 7/30/82 Revision 3 jo, 1980 August 11, 1980 (Signature) Don P. Watson Manager, Aircraft Certification DivisionSouthwest Region (Title)

47.

ttnitrd Stoats of anttrira Bcpartment of tonfiportation— .federal atriation administration oipplemental ICgpe Certificate(Continuation &heet) SA4176SW Revision 3 Limitations and Conditions:

1. Pilot's Operating Handbook and FAA Approved Airplane Flight Manual Supplement P/N 8909 dated 8/11/80 Is required for Mooney Models M20F and M20J; OR, FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 8909-1 dated 7/12/82, Is required for Mooney Model M20J; OR, FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual P/N 8909-2 dated 7/30/82 is required for Mooney Model M20J with S-TEC System 60 Two Axis Automatic Flight Guidance System with Optional Autotrim System (Using Roll Servo P/N 0105-1-R2); OR, FAA Approved Supplemental Flight Manual P/N 89125 dated 7/12/82 is required for Mooney Models M20F and M20G with S-TEC System 60 Two Axis Automatic Flight Guidance System; OR, FAA Approved Supplemental Flight Manual P/N 89125-1 dated 7/30/82 is required for Mooney Models M20F and M20G with S-TBC System 60 Two Axis Automatic Flight Guidance System with Optional Autotrim System (Using Roll Servo P/N 0105- 1-R2)

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

**FAA FORM 8110-2-1 (1O-69) PAGE2 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 <7P code) from (Name of grantor) (Print or type) (Address of grantor) (Number and street) (City, Slate, and <7P code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

## Every issue (1)

- July 30, 1982: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/f6/16/f616b90b8654051daf253125e7cdb8d2ad84af3f283a8e38faece136c445ba78)

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