# STC SA6073SW-D

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC system 40/50 single and two axis automatic flight guidance systems model ST-334-40/50.
- Applied: April 30, 1986
- Status date: August 1, 1986
- Product: Aircraft, Single-Engine
- Certification basis: Part 1, Part 21
- Data sheets: [TCDS 2A3](https://openairdocs.org/tcds/2A3)
- Certificate PDF: https://openairdocs.org/files/sha256/3f/f9/3ff9935ed2f02d5d932f1fdb6d4f881523c39fa13ce0a7ff7805717ae4c15593
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/5FF41CA8A8B6FBE585256CC200569E5D.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA6073SW-D

## ADs that name it (0)

None.

## Approved models (2)

- Mooney International Corporation M20J ([TCDS 2A3](https://openairdocs.org/tcds/2A3))
- Mooney International Corporation M20K ([TCDS 2A3](https://openairdocs.org/tcds/2A3))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

*amiced States of Simerica Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA60735W-D This certificate issued to: 11. S-TEC Corporation Rt. 4, Bldg. 946 Wolters Industrial Complex Mineral Wells, TX 7606/ Part 3 of the CIVil Air Hegulations.

Original Product - Type tertificate Numben: 2A3 Make: MOONEY Model: M20J AND M20K Description of Type Design Change:

Installation of S-TEC System 40/50 Single and Two Axis Automatic Flight Guidance Systems, Model ST-334-40/50, according to Bulletin No. 434, dated 1-06-86 and Master Drawing List No. 92347, dated 1-08-86 and/or later FAA Approved revisions Limitations and Conditions:

1. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89633, dated 8-01-86 is required for S-TEC System 40 in Mooney Model M20J and/or later FAA Approved revisions of the above supplement.

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

Date of Application: 4-30-86 Date Reissued:

Date of Issuance: . 8-01-86 Date Amended:

FEDERAL AVIATIO Pay divetion of the Ildministraton Isold N.75Potioa (Signature) TOMINIST RAID Harold W. Holdeman DAS Staff Coordinator, DAS 5 SW (Title)

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA60735W-D Limitations and Conditions: (con't)

2. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89634, dated 8-01-86 is required for S-TEC System 50 in Mooney Model M20J 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 89680, dated 8-01-86 is required for S-TEC System 40 in Mooney Model M20K and/or later FAA Approved revisions of the above supplement.

4. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89681, dated 8-01-86 is required for S-TEC System 50 in Mooney Model M20K and/or later FAA Approved revisions of the above supplement.

5. Compatability 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 PAGES**

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and streel) (City, Stake, and iIP rode) from (Name of grantor) (Print or sype) (Address of grantor) (Number and sireel;

(City, Stake, and ZIP code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

## Every issue (1)

- August 1, 1986: Issued, Current. [certificate](https://openairdocs.org/files/sha256/3f/f9/3ff9935ed2f02d5d932f1fdb6d4f881523c39fa13ce0a7ff7805717ae4c15593)

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