# STC SA7167SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC System 60 two axis automatic flight guidance system, Model ST-416, with optional autotrim system.
- Applied: January 6, 1988
- Status date: July 1, 1991
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A23](https://openairdocs.org/tcds/3A23)
- Certificate PDF: https://openairdocs.org/files/sha256/33/31/3331e6824017545daabfa0ffd50287971405db01a6678b1419f55b3d545dcc78
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/D79B03EE7040CC6785256CC20056A1CB.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA7167SW-D

## ADs that name it (0)

None.

## Approved models (6)

- Maule Aerospace Technology Inc. Bee Dee M-5-210C ([TCDS 3A23](https://openairdocs.org/tcds/3A23))
- Maule Aerospace Technology Inc. Bee Dee M-5-235C ([TCDS 3A23](https://openairdocs.org/tcds/3A23))
- Maule Aerospace Technology Inc. Bee Dee M-6-235 ([TCDS 3A23](https://openairdocs.org/tcds/3A23))
- Maule Aerospace Technology Inc. Bee Dee M-7-235 ([TCDS 3A23](https://openairdocs.org/tcds/3A23))
- Maule Aerospace Technology Inc. Bee Dee MX-7-180 ([TCDS 3A23](https://openairdocs.org/tcds/3A23))
- Maule Aerospace Technology Inc. Bee Dee MX-7-235 ([TCDS 3A23](https://openairdocs.org/tcds/3A23))

## What the certificate says

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

Raid Sons & A mia Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA71675W-D This certificate issued to: S-TEC Corporation Rt. 4, Bldg. 946 Wolters Industrial Complex Mineral Wells, Texas 76067 Port 3 of the CiVil Air Regulations Original Product Typo Contificala Number: 3A23 Make: Maule Model: M-5-210C, M-5-235C, M-6-235, MX-7-180, Description of Type Design Change: M-7-235, and MX-7-235 Installation of S-TEC System 60 Two Axis Automatic Flight Guidance System, Model dated 6-2i-91 and Master Drawing List No. fevision evision, dated 6-4-51 andor later FAA Approved revisions of the above data (14 Volt System).

1. Optional Autotrim System is approved only for Models M-5-235C, M-6-235, MX-7-180; and MX-7-235.

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

1-08-88 Dals emended:

AVIATION By Direction of the Administrator Lilona Simature) Willfam J. Thomas DAS Staff Coordinator, DAS 5 SW (Title)

This certificate may be transferred in accordance with FAR 21.17.

**TAX 108 8110-2 (10-68)**

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA71675W-D, Revision 3 Limitations and Conditions: (con't.)

2. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89768S, dated 1-08-88 is required for Maule Models M-5-235C, M-6-235, and MX-7-235 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 89768-1S, dated 3-02-90 is required for Maule Models M-5-210C, M-5-235C, M-6-235, M-7-235, and MX-7-235 and/or later FAR Approved revisions of the above supplement.

4. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89768-25, dated 3-25-91 is required for Maule Models M-5-210C, M-5-235C, M-6-235, MX-7-180, M-/-235, and MX-1-239 and/or later FAA Approved revisions of the above supplement.

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

**17 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) Exent of Authority (if licensing agreement) :

Signature of grantor (In ink) :

Page of 2

## Every issue (1)

- July 1, 1991: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/33/31/3331e6824017545daabfa0ffd50287971405db01a6678b1419f55b3d545dcc78)

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