# STC SA2138CE

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Petersen Aviation Inc, United States
- Description: Operation of airplane on unleaded automotive gasoline, 87 minimum antiknock index and leaded automotive gasoline, 88 minimum antiknock index (RON+MON)/2.
- Applied: September 13, 1984
- Status date: June 23, 1992
- Product: Aircraft, Small Airplane
- Data sheets: [TCDS 3A17](https://openairdocs.org/tcds/3A17)
- Certificate PDF: https://openairdocs.org/files/sha256/4b/87/4b870c9c90766bf2f0e204b48ee1a75f739efc2b219f9667662cb045ff43087e
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/4931EBF4EA6CA0AE85256CC200015A1D.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2138CE

## ADs that name it (0)

None.

## Approved models (5)

- The Cessna Aircraft Company 175 ([TCDS 3A17](https://openairdocs.org/tcds/3A17))
- The Cessna Aircraft Company 175A ([TCDS 3A17](https://openairdocs.org/tcds/3A17))
- The Cessna Aircraft Company 175B ([TCDS 3A17](https://openairdocs.org/tcds/3A17))
- The Cessna Aircraft Company 175C ([TCDS 3A17](https://openairdocs.org/tcds/3A17))
- The Cessna Aircraft Company P172D ([TCDS 3A17](https://openairdocs.org/tcds/3A17))

## 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/sha256/4b/87/4b870c9c90766bf2f0e204b48ee1a75f739efc2b219f9667662cb045ff43087e)

---
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.