# STC SA2933SO

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Davis Aviation Services Inc, United States
- Description: Installation of a Teledyne Continental Motors model IO-550-D engine and Hartzell model PHC-C3YF-1RF/F7691(), PHC-C3YF-1RF/F8468A()-6R, or HC-C3YF-1RF9587C-15S, or McCauley model D3A34C401/90DFA-10 or -8, or B2A37C228/90RDA propeller. (A185E AG) (A185F A G)
- Status date: February 18, 1999
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A24](https://openairdocs.org/tcds/3A24)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B7C866C3EFB263FE85256CC20008CAE5.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2933SO

## ADs that name it (0)

None.

## Approved models (8)

- The Cessna Aircraft Company 185 ([TCDS 3A24](https://openairdocs.org/tcds/3A24))
- The Cessna Aircraft Company 185A ([TCDS 3A24](https://openairdocs.org/tcds/3A24))
- The Cessna Aircraft Company 185B ([TCDS 3A24](https://openairdocs.org/tcds/3A24))
- The Cessna Aircraft Company 185C ([TCDS 3A24](https://openairdocs.org/tcds/3A24))
- The Cessna Aircraft Company 185D ([TCDS 3A24](https://openairdocs.org/tcds/3A24))
- The Cessna Aircraft Company 185E ([TCDS 3A24](https://openairdocs.org/tcds/3A24))
- The Cessna Aircraft Company A185E ([TCDS 3A24](https://openairdocs.org/tcds/3A24))
- The Cessna Aircraft Company A185F ([TCDS 3A24](https://openairdocs.org/tcds/3A24))

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