# STC SH5252NM

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Idaho Helicopters, Inc, United States
- Description: Utilization of increase performance capabilities of the Lycoming T5313A or T5313B engine.
- Status date: June 2, 1992
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H1SW](https://openairdocs.org/tcds/H1SW)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/2619A5FD5070B03A85256CC2005C32EA.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SH5252NM

## ADs that name it (0)

None.

## Approved models (1)

- Bell Helicopter Textron 204B ([TCDS H1SW](https://openairdocs.org/tcds/H1SW))

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