# STC SE2035CE

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Petersen Aviation Inc, United States
- Description: Add the following approved fuel: 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: June 20, 1986
- Product: Engine
- Certification basis: Part 21
- Data sheets: [TCDS E-223](https://openairdocs.org/tcds/E-223)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/AF42571EB144B9FB85256CC2005A749C.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SE2035CE

## ADs that name it (0)

None.

## Approved models (12)

- Textron Lycoming AVCO Corporation O-235-C1 ([TCDS E-223](https://openairdocs.org/tcds/E-223))
- Textron Lycoming AVCO Corporation O-235-C1A ([TCDS E-223](https://openairdocs.org/tcds/E-223))
- Textron Lycoming AVCO Corporation O-235-C1B ([TCDS E-223](https://openairdocs.org/tcds/E-223))
- Textron Lycoming AVCO Corporation O-235-C1C ([TCDS E-223](https://openairdocs.org/tcds/E-223))
- Textron Lycoming AVCO Corporation O-235-C2A ([TCDS E-223](https://openairdocs.org/tcds/E-223))
- Textron Lycoming AVCO Corporation O-235-C2B ([TCDS E-223](https://openairdocs.org/tcds/E-223))
- Textron Lycoming AVCO Corporation O-235-C2C ([TCDS E-223](https://openairdocs.org/tcds/E-223))
- Textron Lycoming AVCO Corporation O-235-E1 ([TCDS E-223](https://openairdocs.org/tcds/E-223))
- Textron Lycoming AVCO Corporation O-235-E1B ([TCDS E-223](https://openairdocs.org/tcds/E-223))
- Textron Lycoming AVCO Corporation O-235-E2A ([TCDS E-223](https://openairdocs.org/tcds/E-223))
- Textron Lycoming AVCO Corporation O-235-E2B ([TCDS E-223](https://openairdocs.org/tcds/E-223))
- Textron Lycoming AVCO Corporation O-235-H2C ([TCDS E-223](https://openairdocs.org/tcds/E-223))

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