# STC SE2590CE

- 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)
- Applied: February 1, 1990
- Status date: March 6, 1990
- Product: Engine
- Certification basis: Part 21
- Data sheets: [TCDS E-104](https://openairdocs.org/tcds/E-104)
- Certificate PDF: https://openairdocs.org/files/sha256/25/1f/251ff20ade65edd8dd548162c57b82b5b5e785a3a0ce00ccd1d866fda6aaa376
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/2E62AEB10089A72F86257F2B005D2498.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SE2590CE

## 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))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SE2590CE This certificate issued to: Petersen Aviation, INC.

Route 1, Box 18 Minden, Nebraska 68959 Purl othe Civil Air Regulalions. See Engine Listing pages 68 and 69 for complete certiFicati Type berlificate Number: 101 mainal Make: warner Model: Super Scarab 40, 50 (R-500-2), 50A Description of Type Design Change: (R-500-4, -6) Add the following approved fuel: unleaded automotive gasoline, 87 minimum antiknock index and leaded automotive gasoline, 88 minimum antiknock index (RON + MON)/2, per ASTM Specification D-439. Intermixing with aviation gasoline also approved. Data Required: 1. A copy of this certificate. 2. Petersen Drawing List No. SS-50-2 dated February 1, 1990, or later "FAA Approved" revision.

Limitations and Conditions: This approval should not be extended to other specific engines of this model on which other previously approved modifications are incorporated, unless it is determined that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of these engine models. Specific approval must be obtained for each model aircraft to insure Kanpatibi it sith ings tactich stelain for approval shall remain in effect until sur rendered, suspended, revoked, or a termination date is othervise established by the Administrator of the Federal Aviation Administration .

Date of Application: February 1, 1990 Date Reissued:

Date of Issuance: March 6, 1990 Date Amended:

FEDERAL AVIATION By Direction of the Administrator Original Dagnes Ronald K. Rathgeber ( Signature ) TO MINISTRATOR In Lawrence A. Herron, Manager Wichita Aircraff..Gertification Office

47.

## Every issue (1)

- March 6, 1990: Issued, Current. [certificate](https://openairdocs.org/files/sha256/25/1f/251ff20ade65edd8dd548162c57b82b5b5e785a3a0ce00ccd1d866fda6aaa376)

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