# STC SA42SO

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Kapu Alarms Inc, United States
- Description: A-100 burglar alarm system.
- Status date: January 1, 1960
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 2A3](https://openairdocs.org/tcds/2A3)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/32DFEF0D63FFA40C862570D1005DB001.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA42SO

## ADs that name it (0)

None.

## Approved models (1)

- Mooney Aircraft Corporation M20 Series ([TCDS 2A3](https://openairdocs.org/tcds/2A3))

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