# STC SA1806SW

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Butler National Corporation, United States
- Description: Installation of Co-pilot brake modification.
- Applied: July 13, 1973
- Status date: May 18, 1989
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A7EU](https://openairdocs.org/tcds/A7EU)
- Certificate PDF: https://openairdocs.org/files/sha256/ad/db/addbc947d1276ae368a189973216d6699d08cbe632e5f475d3618d0492545589
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/76BD8C452EB01E0385256CC10083D0DB.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA1806SW

## ADs that name it (0)

None.

## Approved models (5)

- Dassault-Aviation Fan Jet Falcon ([TCDS A7EU](https://openairdocs.org/tcds/A7EU))
- Dassault-Aviation Fan Jet Falcon Series C ([TCDS A7EU](https://openairdocs.org/tcds/A7EU))
- Dassault-Aviation Fan Jet Falcon Series D ([TCDS A7EU](https://openairdocs.org/tcds/A7EU))
- Dassault-Aviation Fan Jet Falcon Series E ([TCDS A7EU](https://openairdocs.org/tcds/A7EU))
- Dassault-Aviation Fan Jet Falcon Series F ([TCDS A7EU](https://openairdocs.org/tcds/A7EU))

## What the certificate says

The certificate is a scan without a text layer; open the PDF to read it.

## Every issue (1)

- May 18, 1989: Amended, Current. [certificate](https://openairdocs.org/files/sha256/ad/db/addbc947d1276ae368a189973216d6699d08cbe632e5f475d3618d0492545589)

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From OpenAirDocs.org, an independent open copy of FAA and NTSB data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.