# STC SH4537SW

- Type: Supplemental type certificate
- Status: Historical, Abandoned
- Holder: Aviation Composite Technologies Inc., United States
- Description: Installation of radome.
- Applied: May 21, 1981
- Status date: February 7, 2024
- Product: Aircraft, Rotorcraft
- Data sheets: [TCDS H2SW](https://openairdocs.org/tcds/H2SW)
- Certificate PDF: https://openairdocs.org/files/sha256/9f/21/9f219f005af796626c8da2cafa0b940326bd191c88eefb7db85c9670d86e37f0
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID159561991920240229161952.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SH4537SW

## ADs that name it (0)

None.

## Approved models (6)

- Bell Helicopter Textron (Canada) 206A ([TCDS H2SW](https://openairdocs.org/tcds/H2SW))
- Bell Helicopter Textron (Canada) 206B ([TCDS H2SW](https://openairdocs.org/tcds/H2SW))
- Bell Helicopter Textron (Canada) 206L ([TCDS H2SW](https://openairdocs.org/tcds/H2SW))
- Bell Helicopter Textron (Canada) 206L-1 ([TCDS H2SW](https://openairdocs.org/tcds/H2SW))
- Bell Helicopter Textron (Canada) 206L-3 ([TCDS H2SW](https://openairdocs.org/tcds/H2SW))
- Bell Helicopter Textron (Canada) 206L-4 ([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 7, 2024: Abandoned, Historical. [certificate](https://openairdocs.org/files/sha256/9f/21/9f219f005af796626c8da2cafa0b940326bd191c88eefb7db85c9670d86e37f0)

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