Plain English Meaning

Jet-A is the standard fuel for jet and turboprop airplanes. It is a type of kerosene, not gasoline, and only goes into turbine-powered aircraft.

Full Definition

A kerosene-based turbine engine fuel used in most civilian jet and turboprop aircraft in the United States, with a freezing point of -40°C or lower. It is designed for use in turbine engines and must never be used in piston aircraft engines, which require aviation gasoline (avgas).

Context Anchor

Seen on fuel trucks, fuel order forms, fuel caps or , and in the ’s operating when checking the fuel type.