# STC SA412SO

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Mike Jones Aircraft Sales Inc., United States
- Description: Installation of Continental IO-520-E or IO-550-E engines per Colemill Enterprises, Inc. Installation Instructions for modification of Cessna 310 and Drawing AC5400, as revised March 19, 1969, or later FAA approved revision of these documents.
- Applied: November 5, 1968
- Status date: February 10, 2011
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A10](https://openairdocs.org/tcds/3A10)
- Certificate PDF: https://openairdocs.org/files/sha256/95/d6/95d627cfe6364d5fb47d8d0d5ee50a01b4bc4bd55badad655843d791f8724ab6
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/1A7E38AAA8A49D8D8625784E007CAA0D.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA412SO

## ADs that name it (0)

None.

## Approved models (9)

- Cessna Aircraft Company 310G ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- Cessna Aircraft Company 310H ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- Cessna Aircraft Company 310I ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- Cessna Aircraft Company 310J ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- Cessna Aircraft Company 310K ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- Cessna Aircraft Company 310L ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- Cessna Aircraft Company 310N ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- Cessna Aircraft Company 310P ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- Cessna Aircraft Company 310Q ([TCDS 3A10](https://openairdocs.org/tcds/3A10))

## What the certificate says

The certificate is a scan without a text layer; open the PDF to read it.

## Every issue (1)

- February 10, 2011: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/95/d6/95d627cfe6364d5fb47d8d0d5ee50a01b4bc4bd55badad655843d791f8724ab6)

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