# STC SA4173NM

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Simplex Manufacturing Company, United States
- Description: Installation of Simplex Model 7600 modular electrical system. (47G-5 WITH 12 VOLT SYSTEM)
- Status date: February 18, 1988
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS 2H1](https://openairdocs.org/tcds/2H1), [TCDS 2H3](https://openairdocs.org/tcds/2H3), [TCDS H-1](https://openairdocs.org/tcds/H-1), [TCDS H2SW](https://openairdocs.org/tcds/H2SW), [TCDS H2WE](https://openairdocs.org/tcds/H2WE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E4CE212AE72FB15485256CC2000E3A18.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA4173NM

## ADs that name it (0)

None.

## Approved models (15)

- Bell Helicopter Textron 47 Series ([TCDS 2H3](https://openairdocs.org/tcds/2H3))
- Bell Helicopter Textron 47 Series ([TCDS H-1](https://openairdocs.org/tcds/H-1))
- Bell Helicopter Textron 47G-5 ([TCDS 2H3](https://openairdocs.org/tcds/2H3))
- Bell Helicopter Textron 47J ([TCDS 2H1](https://openairdocs.org/tcds/2H1))
- Bell Helicopter Textron 47J-2 ([TCDS 2H1](https://openairdocs.org/tcds/2H1))
- Bell Helicopter Textron 47J-2A ([TCDS 2H1](https://openairdocs.org/tcds/2H1))
- Bell Helicopter Textron 47K ([TCDS 2H1](https://openairdocs.org/tcds/2H1))
- Bell Helicopter Textron (Canada) 206 ([TCDS H2SW](https://openairdocs.org/tcds/H2SW))
- Bell Helicopter Textron (Canada) 206A ([TCDS H2SW](https://openairdocs.org/tcds/H2SW))
- Bell Helicopter Textron (Canada) 206A-1 (OH-58A) ([TCDS H2SW](https://openairdocs.org/tcds/H2SW))
- Bell Helicopter Textron (Canada) 206B ([TCDS H2SW](https://openairdocs.org/tcds/H2SW))
- Bell Helicopter Textron (Canada) 206B-1 ([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))
- Hiller Aviation FH-1100 ([TCDS H2WE](https://openairdocs.org/tcds/H2WE))

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