# STC SH143WE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: USDA Forest Service, United States
- Description: Installation of a 12 volt, 40 ampere alternator on auxiliary power takeoff pad.
- Status date: May 9, 1972
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS 2H3](https://openairdocs.org/tcds/2H3)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/615E39C9C56209C185256CC2005C2E83.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SH143WE

## ADs that name it (0)

None.

## Approved models (7)

- Bell Helicopter Textron 47G-2A ([TCDS 2H3](https://openairdocs.org/tcds/2H3))
- Bell Helicopter Textron 47G-2A-1 ([TCDS 2H3](https://openairdocs.org/tcds/2H3))
- Bell Helicopter Textron 47G-3B ([TCDS 2H3](https://openairdocs.org/tcds/2H3))
- Bell Helicopter Textron 47G-3B-2 ([TCDS 2H3](https://openairdocs.org/tcds/2H3))
- Bell Helicopter Textron 47G-4 ([TCDS 2H3](https://openairdocs.org/tcds/2H3))
- Bell Helicopter Textron 47G-4A ([TCDS 2H3](https://openairdocs.org/tcds/2H3))
- Bell Helicopter Textron 47G-5 ([TCDS 2H3](https://openairdocs.org/tcds/2H3))

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