# STC SA7163SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC System 65 two axis automatic flight guidance system, Model ST-426.
- Applied: October 22, 1987
- Status date: June 20, 1991
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A51EU](https://openairdocs.org/tcds/A51EU)
- Certificate PDF: https://openairdocs.org/files/sha256/04/1b/041b2cfc77de92bd1b0b25c60d6179df35ee4e11b54ca03923b21c6717a81272
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A2C6FF517FF66E0885256CC20056A1C7.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA7163SW-D

## ADs that name it (0)

None.

## Approved models (2)

- SOCATA - Groupe Aerospatiale TB20 ([TCDS A51EU](https://openairdocs.org/tcds/A51EU))
- SOCATA - Groupe Aerospatiale TB21 ([TCDS A51EU](https://openairdocs.org/tcds/A51EU))

## What the certificate says

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

Fried Sats a Audia Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA71635W-0 This certificate issued to: S-TEC Corporation Rt. 4, Bldg. 946 Wolters Industrial Complex Pent 23 sp the Federal Aviation Regulations Original Product Type Cortificato Numbon: A51EU Make: SOCATA (Groupe AEROSPATIALE) Model: ТВ 20 and ТВ 21 Description of Type Design Change:

Installation of S-TEC System 65 Two Axis Automatic Flight Guidance System, Model ST-426, according to Bulletin No. 526, Revision 3, dated 6-03-91 and Master Drawing List No. 92455, Revision C, dated 6-03-91 and/or later FAA Approved revisions of the above data (14 Volt System).

1. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89762, dated 10-27-87 is required for SOCATA Models TB 20 and TB 21 (Groupe AEROSPATIALE) and/or later FAA Approved revisions of the above supplement.

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

10-27-87 Dels amended:

FEDERAL AVIATION TUNIST RATO DAS Staff Coordinator, DAS 5 SW (Title)

17.

FAN FOoN 81 10-2 (10-68)

Hmiced States of Surica Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA71635W-D, Revision 2 Limitations and Conditions: (con't.)

2. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89762-1, dated 12-12-90 is required for SOCATA Models TB 20 and TB 21, S/N 730 & Below (Groupe AEROSPATIALE) 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 89762-2, dated 6-20-91 is required for SUCATA Models TB 20 and TB 21 (Groupe AEROSPATIALE) and/or later FAA Approved revisions of the above supplement.

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

FAA FORM 81102-1 (10-68) This certificate may be transferred in accordance with fIR :1.17 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 (1n ink) :

Page of 2

## Every issue (1)

- June 20, 1991: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/04/1b/041b2cfc77de92bd1b0b25c60d6179df35ee4e11b54ca03923b21c6717a81272)

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