# STC SA2670CE

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Petersen Aviation Inc, United States
- Description: Operation of airplane using leaded or unleaded automotive gasoline wiht minimum antiknock index.
- Applied: November 13, 1990
- Status date: April 28, 2010
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A22NM](https://openairdocs.org/tcds/A22NM)
- Certificate PDF: https://openairdocs.org/files/sha256/40/7a/407aa2a51fd2028956069e9d5d2ff93dfa256f7bbadcdbc35e52d2c0a111a2ae
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/7D70DACD805D99D88625775800514882.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA2670CE

## ADs that name it (0)

None.

## Approved models (4)

- Sky International Inc. A-1 ([TCDS A22NM](https://openairdocs.org/tcds/A22NM))
- Sky International Inc. A-1A ([TCDS A22NM](https://openairdocs.org/tcds/A22NM))
- Sky International Inc. A-1B ([TCDS A22NM](https://openairdocs.org/tcds/A22NM))
- Sky International Inc. A-1C-180 ([TCDS A22NM](https://openairdocs.org/tcds/A22NM))

## What the certificate says

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

## Every issue (1)

- April 28, 2010: Amended, Current. [certificate](https://openairdocs.org/files/sha256/40/7a/407aa2a51fd2028956069e9d5d2ff93dfa256f7bbadcdbc35e52d2c0a111a2ae)

---
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.