# STC SE4601SW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Daily Tubbs Aero, Inc, United States
- Description: Modify intake and exhaust valves.
- Status date: February 9, 1982
- Product: Engine
- Certification basis: Part 21
- Data sheets: [TCDS E-2](https://openairdocs.org/tcds/E-2)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/4E90DA8389B2DB2185256CC2005A7586.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SE4601SW

## ADs that name it (0)

None.

## Approved models (2)

- Olson George Company Scarab Series 40 ([TCDS E-2](https://openairdocs.org/tcds/E-2))
- Olson George Company Scarab Series 50 ([TCDS E-2](https://openairdocs.org/tcds/E-2))

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