# STC SA2449SO

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Kosola & Associates Inc, United States
- Description: Installation of a lavatory smoke detector system.
- Status date: November 9, 1998
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A22WE](https://openairdocs.org/tcds/A22WE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B0D112C2BFFA8F4785256CC200015E49.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA2449SO

## ADs that name it (0)

None.

## Approved models (2)

- McDonnell Douglas Corporation DC-10-15 ([TCDS A22WE](https://openairdocs.org/tcds/A22WE))
- McDonnell Douglas Corporation DC-10-30 ([TCDS A22WE](https://openairdocs.org/tcds/A22WE))

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