# STC SA2081CE

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Petersen Aviation Inc, United States
- Description: Operation of airplane on unleaded automotive gasoline, 87 minimum antiknock index and leaded automotive gasoline, 88 minimum antiknock index (RON+MON)/2. Intermixing with aviation gasoline also approved.
- Status date: December 7, 1988
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-642](https://openairdocs.org/tcds/A-642)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/9332DC20A1A9702385256CC10083D5FE.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA2081CE

## ADs that name it (0)

None.

## Approved models (2)

- The Waco Aircraft Company UPF-7 ([TCDS A-642](https://openairdocs.org/tcds/A-642))
- The Waco Aircraft Company VPF-7 ([TCDS A-642](https://openairdocs.org/tcds/A-642))

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