# STC SH1173SO

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Bristol Aerospace, Ltd, United States
- Description: Installation of a wire strike protection system.
- Status date: October 5, 1992
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H2SW](https://openairdocs.org/tcds/H2SW)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A52D7CB50B10B19185256CC2005C2E22.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SH1173SO

## ADs that name it (0)

None.

## Approved models (4)

- 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))

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