# STC SH254WE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Yuma Helicopters, Inc, United States
- Description: Installation of Gill Model PS-6-11 battery, together with an external power source. (47G-5 NORMAL CATEGORY)
- Status date: September 28, 1979
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS 2H3](https://openairdocs.org/tcds/2H3)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/59A06FAB7C4505FA85256CC2005C3011.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SH254WE

## ADs that name it (0)

None.

## Approved models (1)

- Bell Helicopter Textron 47G-5 ([TCDS 2H3](https://openairdocs.org/tcds/2H3))

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