# STC SR00031LB

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Diamond J, Inc, United States
- Description: Installation of analog/digital turbine outlet temperature exceedance logging capability. (206B with Allison 250-C20B or 250-C20J engines only) (206L with Allison 250-C20B or 250-C20J engines only) (206L-1 with Allison 250-C28 engines only) (206L-3 wit h Allison 250-C30 engines only) (206L-4 with Allison 250-C30 engines only)
- Status date: May 17, 1999
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H2SW](https://openairdocs.org/tcds/H2SW), [TCDS H3WE](https://openairdocs.org/tcds/H3WE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/6AD242CD78D7B13685256CC20062243D.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SR00031LB

## ADs that name it (0)

None.

## Approved models (7)

- 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))
- MD Helicopter Inc. 369D ([TCDS H3WE](https://openairdocs.org/tcds/H3WE))
- MD Helicopter Inc. 369E ([TCDS H3WE](https://openairdocs.org/tcds/H3WE))

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