# STC SE2028CE

- Type: Supplemental type certificate
- Status: Current, Issued
- 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: November 21, 1984
- Product: Engine
- Certification basis: Part 21
- Data sheets: [TCDS E-162](https://openairdocs.org/tcds/E-162)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/98B7AB5FA6D5B5B285256CC2005A7494.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SE2028CE

## ADs that name it (0)

None.

## Approved models (8)

- Teledyne Continental Motors W670 Series ([TCDS E-162](https://openairdocs.org/tcds/E-162))
- Teledyne Continental Motors W670-16 ([TCDS E-162](https://openairdocs.org/tcds/E-162))
- Teledyne Continental Motors W670-23 ([TCDS E-162](https://openairdocs.org/tcds/E-162))
- Teledyne Continental Motors W670-24 ([TCDS E-162](https://openairdocs.org/tcds/E-162))
- Teledyne Continental Motors W670-6A ([TCDS E-162](https://openairdocs.org/tcds/E-162))
- Teledyne Continental Motors W670-6N ([TCDS E-162](https://openairdocs.org/tcds/E-162))
- Teledyne Continental Motors W670-K ([TCDS E-162](https://openairdocs.org/tcds/E-162))
- Teledyne Continental Motors W670-M ([TCDS E-162](https://openairdocs.org/tcds/E-162))

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