# STC SH1990SO

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Bell Helicopter Textron Inc., United States
- Description: Manufacture of Automatic Door Opener Kits in accordance with Aeronautical Accessories, Inc. Drawing List Report No. AA-86001, no revision, dated May 13, 1986, or later FAA approved revisions, and installation per Installation Instructions  listed in that report.
- Applied: November 8, 1985
- Status date: February 1, 2011
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H2SW](https://openairdocs.org/tcds/H2SW)
- Certificate PDF: https://openairdocs.org/files/sha256/01/18/0118f74028ece5e6b2c18ca0595e16ccd22d37edacfb9b0f05f77c07ca5494cd
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F017AB1B3350591586257841006E06EF.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SH1990SO

## ADs that name it (0)

None.

## Approved models (7)

- Bell Helicopter Textron Canada Limited 206A ([TCDS H2SW](https://openairdocs.org/tcds/H2SW))
- Bell Helicopter Textron Canada Limited 206B ([TCDS H2SW](https://openairdocs.org/tcds/H2SW))
- Bell Helicopter Textron Canada Limited 206L ([TCDS H2SW](https://openairdocs.org/tcds/H2SW))
- Bell Helicopter Textron Canada Limited 206L-1 ([TCDS H2SW](https://openairdocs.org/tcds/H2SW))
- Bell Helicopter Textron Canada Limited 206L-3 ([TCDS H2SW](https://openairdocs.org/tcds/H2SW))
- Bell Helicopter Textron Canada Limited 206L-4 ([TCDS H2SW](https://openairdocs.org/tcds/H2SW))
- Bell Helicopter Textron Canada Limited 407 ([TCDS H2SW](https://openairdocs.org/tcds/H2SW))

## What the certificate says

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

## Every issue (1)

- February 1, 2011: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/01/18/0118f74028ece5e6b2c18ca0595e16ccd22d37edacfb9b0f05f77c07ca5494cd)

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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.