# STC SA2999SO

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Colemill Enterprises Inc., United States
- Description: Installation of propeller governor.
- Status date: August 13, 1991
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A15](https://openairdocs.org/tcds/3A15)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/34338A56AA0844D685256CC20008CB9F.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2999SO

## ADs that name it (0)

None.

## Approved models (13)

- Raytheon Aircraft Company 35-C33A ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Raytheon Aircraft Company 36 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Raytheon Aircraft Company A36 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Raytheon Aircraft Company E33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Raytheon Aircraft Company E33A ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Raytheon Aircraft Company E33C ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Raytheon Aircraft Company F33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Raytheon Aircraft Company F33A ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Raytheon Aircraft Company F33C ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Raytheon Aircraft Company S35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Raytheon Aircraft Company V35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Raytheon Aircraft Company V35A ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Raytheon Aircraft Company V35B ([TCDS 3A15](https://openairdocs.org/tcds/3A15))

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