# STC SE00128WI

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Petersen Aviation Inc, United States
- Description: Add approved fuel: Unleaded automotive gasoline, 87 minimum antiknock index and leaded automotive gasoline, 88 minimum antiknock index(RON+MON0/2, per ASTM Spec D-439.
- Status date: January 27, 1994
- Product: Engine
- Certification basis: Part 21
- Data sheets: [TCDS E-221](https://openairdocs.org/tcds/E-221)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/04B163CF5F0430B985256CC2005A73A1.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SE00128WI

## ADs that name it (0)

None.

## Approved models (1)

- Franklin Engine Company 4AC-176 Series (Military 0-175-1) ([TCDS E-221](https://openairdocs.org/tcds/E-221))

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