# STC SE1943CE

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Petersen Aviation Inc, United States
- Description: Add the following approved fuel: unleaded automotive gasoline, 87 or 92 minimum antiknock index and leaded automotive gasoline, 88 minimum antiknock index(RON+MON)/2.
- Status date: February 3, 1988
- Product: Engine
- Certification basis: Part 21
- Data sheets: TCDS 5E-4
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/38A3BFC4E94A429C85256CC2005A7486.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SE1943CE

## ADs that name it (0)

None.

## Approved models (1)

- Pratt & Whitney Division R-1830 Series (TCDS 5E-4)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.