# STC SA4131SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC system 60 single axis automatic flight guidance system, Model ST-004.
- Applied: May 14, 1980
- Status date: July 12, 1982
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 2A3](https://openairdocs.org/tcds/2A3)
- Certificate PDF: https://openairdocs.org/files/sha256/6e/98/6e9899e010f24b6adec1d6829a8e9cc6134e1e324d59bb6e2a7204bcec3f60df
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/3D8FBD22D534962886257DF8006590E1.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA4131SW

## ADs that name it (0)

None.

## Approved models (5)

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

Unitri £tatt» of amttica Bepartmcnt of transportation —federal 2toiation administration Supplemental 'Cgpe Certificate SA4131SW S-TEC Corporation Rt. 4, Bldg. 946 Wolters Industrial Complex Mineral Wells, TX 76067Jyfi^defa<amf^.J/t^J:c>6l<w>tfnMJi'>*^^

•/rfOM^en^e^i&/M^t^av^ 3 J&j&ie' Civil Air 2A3 Mooney M20C, M20E, M20F, M20G, M20J Installation of S-TEC System 60 Single Axis Automatic Flight Guidance System, Model ST-004 according to Bulletin No. 104, Revision 3, dated 3-23-82 and Master Drawing List No. 9205, Revision C dated 3-23-82, or later FAA approved revision. (14 Volt System) See Continuation Sheet, page 2, of this STC.

«J^^-<^<<^'Siv^x2^^x^wl^/^4(?«J^^ 14 ^ 1980 May 27, 1980 : n/17/80; 7/12/82 Revision 2 P. Watson// Manager, Aircraft Certification DivisionSouthwest Region (Title)

**FAX FCMM 8110-2 (10-68)**

ttntttd £tatts of amoica Bcpartmtnt of transportation— Jp ederal Htriation administration Supplemental Itgpe Certificate(Continuation £heet) SA4131SW Revision 2 Limitations and Conditions:

1. Pilot's Operating Handbook and FAA Approved Airplane Flight Manual Supplement P/N 8904 dated 5/27/80 is required for Mooney Models M20C and M20E; OR, Pilot's Operating Handbook and FAA Approved Airplane Flight Manual Supplement P/N 8904-1 dated 11/17/80 is required for Mooney Models M20C, M20E, M20F, and M20J; OR, FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual P/N 8904-2 dated 7/12/82 Is required for Mooney Model M20J; OR, FAA Approved Supplemental Flight Manual P/N 89131 dated 7/12/82 is required for Mooney Models M20C, M20E, M20F, and M20G.

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

FAA FORM siio-2-1 (1O-69) PAGE 2 OF 2 PAGES

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (dumber and street) (City, State, and ^IP code) from (Name of grantor) (Print or type) (Address of grantor) (Number and street) (City, Stale, and <7f code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

## Every issue (1)

- July 12, 1982: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/6e/98/6e9899e010f24b6adec1d6829a8e9cc6134e1e324d59bb6e2a7204bcec3f60df)

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