# STC SA2226SO

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Lawrence Warren K, United States
- Description: Installation of Visual-Audio Warning System in accordance with Drawing Number WL 100, revised January 5, 1988, or later FAA approved revision.
- Applied: April 3, 1987
- Status date: August 6, 2003
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A12](https://openairdocs.org/tcds/3A12)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/BEC0177229B653EB86256DA9006DC6C4.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2226SO

## ADs that name it (0)

None.

## Approved models (1)

- The Cessna Aircraft Company 172 Series ([TCDS 3A12](https://openairdocs.org/tcds/3A12))

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.