# STC SA1052SO

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: General Electric Company, United States
- Description: Installation of GE battery P/N43B022RB36 in place of Marathon P/N CA-727-7, CA-727-20, or CA-27-20 batteries or SAFT P/N23180 batteries; or installation of GE battery P/N 43B020RB10 replacing Marathon P/N CA-727-7, CA-727-20 or CA-27-20 or SAFT P/N 23186 or 23180 batteries.
- Status date: May 11, 1979
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A16WE](https://openairdocs.org/tcds/A16WE), [TCDS A3WE](https://openairdocs.org/tcds/A3WE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/71BAE7BA04CC409F85256CC10080DCF7.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1052SO

## ADs that name it (0)

None.

## Approved models (2)

- The Boeing Company 727 Series ([TCDS A3WE](https://openairdocs.org/tcds/A3WE))
- The Boeing Company 737 Series ([TCDS A16WE](https://openairdocs.org/tcds/A16WE))

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