# STC SH1137SO

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Aviall Services, Inc., United States
- Description: Install Utah Research and Development Co. model 124BC-101 airborne battery charging system.
- Status date: October 31, 2002
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H2SW](https://openairdocs.org/tcds/H2SW)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/76ED3BBD124D27CA85256CC2005C2E15.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SH1137SO

## ADs that name it (0)

None.

## Approved models (1)

- Bell Helicopter Textron (Canada) 206 ([TCDS H2SW](https://openairdocs.org/tcds/H2SW))

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