# STC SA8374SW-D

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC System 60 Two Axis Automatic flight guidance system Model ST-495
- Applied: September 20, 1993
- Status date: September 27, 1993
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A23](https://openairdocs.org/tcds/3A23)
- Certificate PDF: https://openairdocs.org/files/sha256/d9/52/d952201a5e2326e5b5b82dec8527c7ddf49a7411994ab410b0e175164a85ab73
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/2DC76EF8CFB0A24D85256CC20058E760.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA8374SW-D

## ADs that name it (0)

None.

## Approved models (1)

- Maule Aerospace Technology Inc. Bee Dee M-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.

file:

Brind Sam of Bacia Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA83745W-0 This certificate issued to: S-TEC Corporation 946 Pegram Wolters Industrial Park Mineral wells, Texas 76067 Certifies that the change in the type design for the following producd with the limitations and conditions Shorefor ss specifed hereon meets the airworthiness requiremonts of Port 3 of the CIVIl Air Regulations Original Product -Typo Contificato Numbon: 3A23 Маке: Maule Model: MT -7-235 Description of Type Design Change:

Installation of S-TEC System 60 Two Axis Automatic Flight Guidance System, Model Director/Steering Horizon or later FAA Approved revisions of the above data (28 Volt System).

1. FAA/DAS Approved Airplane Flight Manual Supplement, P/N 891035S, dated 9-27-93 is required for Maule Model MT-7-235 or later FAA Approved revisions of the above supplement.

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

**FAA 7O0 8110-2 (10-68)**

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): - Date of Transfer:

Signature of grantor (In ink): _ DAS GOYERNMENT PRIRTINS OFFICE : 1966 OF—Z0S-S/9

## Every issue (1)

- September 27, 1993: Issued, Current. [certificate](https://openairdocs.org/files/sha256/d9/52/d952201a5e2326e5b5b82dec8527c7ddf49a7411994ab410b0e175164a85ab73)

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