# STC SA2109SO

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Mike Jones Aircraft Sales Inc., United States
- Description: Installation of Teledyne Continental Motors Model IO-470K engine in accordance with Colemill Enterprises Installation Instructions for Modification of Cessna Model 305-A-C-D-F  Revised April 24, 1987 and Colemill Enterprises Drawing No. 3000 Revision A dated May 6, 1987.
- Applied: July 10, 1985
- Status date: February 10, 2011
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 5A5](https://openairdocs.org/tcds/5A5)
- Certificate PDF: https://openairdocs.org/files/sha256/b9/2a/b92afdcf65683880c74bcd269b1e8ada0d6f306d80e7850cd03df9d1bfcc0109
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/7BFC5C716C1AC56B8625784E0070C24E.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA2109SO

## ADs that name it (0)

None.

## Approved models (4)

- Regal Air Inc. 305A ([TCDS 5A5](https://openairdocs.org/tcds/5A5))
- Regal Air Inc. 305C ([TCDS 5A5](https://openairdocs.org/tcds/5A5))
- Regal Air Inc. 305D ([TCDS 5A5](https://openairdocs.org/tcds/5A5))
- Regal Air Inc. 305F ([TCDS 5A5](https://openairdocs.org/tcds/5A5))

## 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/b9/2a/b92afdcf65683880c74bcd269b1e8ada0d6f306d80e7850cd03df9d1bfcc0109)

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