# STC SA1353SO

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Armtec Industries, Inc, United States
- Description: Installation of Armtex Model 477 fire detector.
- Status date: November 16, 1982
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A21](https://openairdocs.org/tcds/3A21)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E7E53616CBFC664385256CCB00601857.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA1353SO

## ADs that name it (0)

None.

## Approved models (3)

- The Cessna Aircraft Company 210 ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- The Cessna Aircraft Company P210N ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- The Cessna Aircraft Company T210L ([TCDS 3A21](https://openairdocs.org/tcds/3A21))

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