# STC SA7125SW-D

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC System 40/50, Single and Two Axis Automatic Flight Guidance System, ST-352-40/50.
- Applied: November 26, 1986
- Status date: October 9, 1996
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A51EU](https://openairdocs.org/tcds/A51EU)
- Certificate PDF: https://openairdocs.org/files/sha256/ba/f0/baf0a16ee1208f08b5bc30d626b579108d39919bc73ba5e84668c6e72329faef
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/6A1CD87A0EECC3D185256CC20056A18E.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA7125SW-D

## ADs that name it (0)

None.

## Approved models (4)

- SOCATA - Groupe Aerospatiale TB10 ([TCDS A51EU](https://openairdocs.org/tcds/A51EU))
- SOCATA - Groupe Aerospatiale TB20 ([TCDS A51EU](https://openairdocs.org/tcds/A51EU))
- SOCATA - Groupe Aerospatiale TB21 ([TCDS A51EU](https://openairdocs.org/tcds/A51EU))
- SOCATA - Groupe Aerospatiale TB9 ([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.

Bried Sons of darice Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA71255W-0 This certificate issued to: S-TEC Corporation One S-TEC Way Mineral Wells Municipal Airport Mineral Wells, TX 76067-9236 contifes that the shangs in the lyps desiger for She following pooduct with the limitations and conditions shorefor a specifed hereon meets the sinworthiness requirements of Port 23 spithe Federal Aviation Regelations Original Product -Typo Contificato Numibon: A51EU Make: SOCATA (Groupe AEROSPATIALE) Model: ТВ 9, ТВ 10, ТВ 20, and ТВ 21 Description of Type Design Change:

Installation of S-TEC System 40/50, Single and Two Axis Automatic Flight Guidance Systems, Model ST-352-40/50, according to Bulletin No. 452, Revision 8, dated 9-30-96 and Master Drawing List No. 92410, Revision H, dated 9-30-96 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 89723, dated 12-03-86 is required for System 40 in SOCATA Model TB 20 (Groupe AEROSPATIALE) or later FAA Approved revisions of the above supplement.

(See Continuation Sheet, Pages 2 and 3, a part of this STC.)

12-03-86 Date Amended: 7-14-87, 12-10-90, 6-17-91, 10-09-96, Revision 4 VIATION By Direction of the Administrator Thomer Sta(ure) TOMINISTRALO william J. Thomas DAS Staff Coordinator, DAS 5 SW (Title)

47.

TAA Form 8110-2 (10-68)

Haied Scars of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA71255W-D, Revision 4 Limitations and Conditions: (con't.)

2. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89723-1, dated 7-14-87 is required for System 40 in SOCATA Models TB 20 and TB 21 (Groupe AEROSPATIALE) 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 89723-2, dated 12-10-90 is required for System 40 in SOCATA Models TB 20 and TB 21, S/N 730 & Below (Groupe AEROSPATIALE) 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 89723-3, dated 6-17-91 is required for System 40 in SOCATA Models TB 20 and TB 21 (Groupe AEROSPATIALE) or later FAA Approved revisions of the above supplement.

5. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89724, dated 12-03-86 is required for System 50 in SOCATA Model TB 20 (Groupe AEROSPATIALE) or later FAA Approved revisions of the above supplement.

6. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89724-1, dated 7-14-87 is required for System 50 in SOCATA Models TB 20 and TB 21 (Groupe AEROSPATIALE) or later FAA Approved revisions of the above supplement.

7. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89724-2, dated 12-10-90 is required for System 50 in SOCATA Models TB 20 and TB 21, S/N 730 & Below (Groupe AEROSPATIALE) or later FAA Approved revisions of the above supplement.

8. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved 50 in SOCATA Models TB tirplane riight Manual, P/N 89/24-3, dated 6-17-91 is required for Systen 20 and TB 21 (Groupe AEROSPATIALE) or later FAA Approved revisions of the above supplement.

FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89747, dated 7-14-87 is required for System 40 in SOCATA Model TB 10 (Groupe AEROSPATIALE) or later FAA Approved revisions of the above supplement.

10. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved

FAA FORM $11UZ-1 (10-09) This certificate may be transferred in accordance with l'illl i'!.t?

Aried Stars of Aurica Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA712554-0, Revision. 4 Limitations and Conditions: (con't.)

Airplane Flight Manual, P/N 89747-1, dated 12-10-90 is required for System 40 in SOCATA Model TB 10, S/N 730 & Below (Groupe AEROSPATIALE) or later FAA Approved revisions of the above supplement.

11. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89747-2, dated 6-17-91 is required for System 40 in SOCATA Model TB 10 (Groupe AEROSPATIALE) or later FAA Approved revisions of the above supplement.

FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89748, dated 7-14-87 is required for System 50 in SOCATA Model TB 10 (Groupe AEROSPATIALE) or later FAA Approved revisions of the above supplement.

FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89748-1, dated 12-10-90 is required for System 50 in SOCATA Model TB 10, S/N 730 & Below (Groupe AEROSPATIALE) or later FAA Approved revisions of the above supplement.

14. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89748-2, dated 6-17-91 is required for System 50 in SOCATA Model TB 10 (Groupe AEROSPATIALE) or later FAA Approved revisions of the above supplement.

15. FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement, P/N 89747, Revision 3, dated 10-09-96 is required for System 40 in SOCATA Models TB 9 and TB 10 (Groupe AEROSPATIALE) or later FAA Approved revisions of the above supplement.

FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement, P/N 89748, Revision 3, dated 10-09-96 is required for System 50 in SOCATA Models TB 9 and TB 10 (Groupe AEROSPATIALE) or later FAA Approved revisions of the above supplement.

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

FAA FORM 811062-1 (10.68) This certificate may be transferred in accordance with filll :1.t?

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and street) (City, State, and Z1P 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) :

## Every issue (1)

- October 9, 1996: Amended, Current. [certificate](https://openairdocs.org/files/sha256/ba/f0/baf0a16ee1208f08b5bc30d626b579108d39919bc73ba5e84668c6e72329faef)

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