# STC SA5117SW-D

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC yaw damper system model ST-133
- Applied: October 27, 1982
- Status date: November 8, 1995
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A17EU](https://openairdocs.org/tcds/A17EU)
- Certificate PDF: https://openairdocs.org/files/sha256/b3/a2/b3a2035fe7a6519478598964b2983e5b49353577f21db2da362382184040a3b3
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/170EF875C082570185256CC2001226B7.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA5117SW-D

## ADs that name it (0)

None.

## Approved models (8)

- B-N Group Ltd. BN-2A-2 ([TCDS A17EU](https://openairdocs.org/tcds/A17EU))
- B-N Group Ltd. BN-2A-20 ([TCDS A17EU](https://openairdocs.org/tcds/A17EU))
- B-N Group Ltd. BN-2A-26 ([TCDS A17EU](https://openairdocs.org/tcds/A17EU))
- B-N Group Ltd. BN-2A-6 ([TCDS A17EU](https://openairdocs.org/tcds/A17EU))
- B-N Group Ltd. BN-2A-8 ([TCDS A17EU](https://openairdocs.org/tcds/A17EU))
- B-N Group Ltd. BN-2B-20 ([TCDS A17EU](https://openairdocs.org/tcds/A17EU))
- B-N Group Ltd. BN-2B-26 ([TCDS A17EU](https://openairdocs.org/tcds/A17EU))
- B-N Group Ltd. BN-2T ([TCDS A17EU](https://openairdocs.org/tcds/A17EU))

## What the certificate says

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

Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA511754-0 This certificate issued to: S-TEC Corporation 946 Pegram Mineral wells, TX 76067 Certifies that the change in the type design for the following product with the limilations and conditions shafor as specifed horon mete the sinvorhiness neguinments of Pool 23 of the Feder al Avi at ion Regulations Original Product -TypoCentificato Number: AITEU Make: Britten Norman Model: BN-2A-2, BN-2A-8, BN-2A-20, BN-2A-26, BN-2B-20, Tusoviption of Typs Design Changs: BN-2B-26, BN-2T, and BN-2A-6 Installation of S-TEC Yaw Damper System, Model ST-133, according to Bulletin No.

Revision 2, dated 11-01-95 and Master Drawing List No. 92154, Revision B, dated 11-01-95 or later FAA Approved revisions of the above data. (28 Volt System) Limitations and Conditions:

1. Only eligible on Model BN-2A-6 When Mod. Nos. NB/M/430 and NB/M/631 Are Installed.

(See Continuation Sheet, Page 2, a part of this STC) Thomas (Tille) 17 PA Foom 81 10-2 (10-68)

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA51175W-D, Revision 1

2. FAA Approved Supplement to CAA or FAA Approved Airplane Flight Manual, P/N 89169, dated 11-03-82 is required for Britten Norman Model BN-2T or later FAA Approved revisions of the above supplement.

3. FAA Approved Supplement to CAA or FAA Approved Airplane Flight Manual, P/N 89171, dated 11-03-82 is required for Britten Norman Models BN-2A-2, BN-2A-8, BN-2A-20, BN-2A-26, BN-28-20, and BN-2B-26 or later FAA Approved revisions of the above supplement.

FAA Approved Supplement to CAA or FAA Approved Airplane Flight Manual, P/N 89171-1, dated 11-08-95 is required for Britten Norman Models BN-2A-2, BN-2A-8, BN-2A-20, BN-2A-26, BN-2B-20, and BN-2B-26; and BN-2A-6 When Mod. Nos.

NB/M/430 and NB/M/631 Are Installed or later FAA Approved revisions to the above supplement.

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

i1!) iteration of this certifcate is punishable by a fine of not exceeding $1,000, or imprisonment not exceeding 3 years, or both FAA FORM 8110L2-1 (10-88) This certificate may be transferred in accordance with filK "1.t?

## Every issue (1)

- November 8, 1995: Amended, Current. [certificate](https://openairdocs.org/files/sha256/b3/a2/b3a2035fe7a6519478598964b2983e5b49353577f21db2da362382184040a3b3)

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