# STC SA2146CE

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Petersen Aviation Inc, United States
- Description: Operation 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.
- Applied: July 8, 1985
- Status date: June 23, 1992
- Product: Aircraft, Small Airplane
- Data sheets: [TCDS A-703](https://openairdocs.org/tcds/A-703)
- Certificate PDF: https://openairdocs.org/files/sha256/db/47/db474bd63b993eba9091e47367b4716cc5ad5b508f4f6956dbfae8932eef70c3
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/58088FB31996534D85256CC200015A36.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2146CE

## ADs that name it (0)

None.

## Approved models (2)

- The New Piper Aircraft Inc. J4A ([TCDS A-703](https://openairdocs.org/tcds/A-703))
- The New Piper Aircraft Inc. J4A-S ([TCDS A-703](https://openairdocs.org/tcds/A-703))

## What the certificate says

The certificate is a scan without a text layer; open the PDF to read it.

## Every issue (1)

- June 23, 1992: Amended, Current. [certificate](https://openairdocs.org/files/sha256/db/47/db474bd63b993eba9091e47367b4716cc5ad5b508f4f6956dbfae8932eef70c3)

---
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.