# STC SA1938CE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Bennett L. Sorensen, United States
- Description: ONE ONLY STC, SN 1874: Operation of airplane on unleaded automotive gasoline, 87 minium antiknock index (RON+MON)
- Applied: July 15, 1983
- Status date: February 1, 1984
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-694](https://openairdocs.org/tcds/A-694)
- Certificate PDF: https://openairdocs.org/files/sha256/ec/b2/ecb26bf90c9f269df2f90b0a3bde7e48bf59fbcea16aff518fe50e92f7f1eee0
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/7168613C5D4749328625772F00697E3B.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1938CE

## ADs that name it (0)

None.

## Approved models (1)

- The Don Luscombe Aviation History Foundation Inc. 8C ([TCDS A-694](https://openairdocs.org/tcds/A-694))

## What the certificate says

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

## Every issue (1)

- February 1, 1984: Issued, Current. [certificate](https://openairdocs.org/files/sha256/ec/b2/ecb26bf90c9f269df2f90b0a3bde7e48bf59fbcea16aff518fe50e92f7f1eee0)

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From OpenAirDocs.org, an independent open copy of FAA and NTSB data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.