# STC SE2590 CE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Petersen Aviation Inc, United States
- Description: Add unleaded automotive gasoline, 87 minimum antiknock index and leaded automotive gasoline, 88 minimum antiknock index(RON + MON)/2, per ASTM Specification D-439. (SUPER SCARAB SERIES 50 R-500-2) (SUPER SCARAB SERIES 50A R-500-4, -6)
- Status date: March 6, 1990
- Product: Engine
- Certification basis: Part 21
- Data sheets: [TCDS E-104](https://openairdocs.org/tcds/E-104)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C67A7304A3CEA4B985256CC2005A74E5.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SE2590%20CE

## ADs that name it (0)

None.

## Approved models (3)

- Olson George Company Super Scarab Series 40 ([TCDS E-104](https://openairdocs.org/tcds/E-104))
- Olson George Company Super Scarab Series 50 ([TCDS E-104](https://openairdocs.org/tcds/E-104))
- Olson George Company Super Scarab Series 50A ([TCDS E-104](https://openairdocs.org/tcds/E-104))

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