# STC SA2598CE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Petersen Aviation Inc, United States
- Description: Operation of airplane on unleaded and leaded automotive gasoline, 91 minimum antiknock index(RON+MON)/2per ASTM Specification D-439. Inter-mixing with aviation gasoline also approved.
- Applied: February 28, 1990
- Status date: March 30, 1990
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 1A10](https://openairdocs.org/tcds/1A10)
- Certificate PDF: https://openairdocs.org/files/sha256/42/bb/42bb3161077385bb07f097cf1f330d9aff4f85dfe0c11984ea029f49b339f28f
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/6A3CBFF422343AF185256CC20008C63D.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA2598CE

## ADs that name it (0)

None.

## Approved models (1)

- The New Piper Aircraft Inc. PA-23-160 ([TCDS 1A10](https://openairdocs.org/tcds/1A10))

## What the certificate says

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

## Every issue (1)

- March 30, 1990: Issued, Current. [certificate](https://openairdocs.org/files/sha256/42/bb/42bb3161077385bb07f097cf1f330d9aff4f85dfe0c11984ea029f49b339f28f)

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