# STC SA237SO

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Riley Aircraft Corp, United States
- Description: Modification of the control wheel.
- Status date: November 29, 1984
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A10](https://openairdocs.org/tcds/3A10), [TCDS 3A25](https://openairdocs.org/tcds/3A25)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/0951A0F69DFB593F85256CC200015D74.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA237SO

## ADs that name it (0)

None.

## Approved models (10)

- The Cessna Aircraft Company 310 ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- The Cessna Aircraft Company 310A (USAF U-3A) ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- The Cessna Aircraft Company 310B ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- The Cessna Aircraft Company 310C ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- The Cessna Aircraft Company 310D ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- The Cessna Aircraft Company 310E (USAF U-3B) ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- The Cessna Aircraft Company 310F ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- The Cessna Aircraft Company 310G ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- The Cessna Aircraft Company 320 ([TCDS 3A25](https://openairdocs.org/tcds/3A25))
- The Cessna Aircraft Company 320-1 ([TCDS 3A25](https://openairdocs.org/tcds/3A25))

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From OpenAirDocs.org, an independent open copy of FAA and NTSB data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.