JET A-1 is an aviation fuel which is suitable for most jet aircraft.

It meets stringent international requirements, particularly those of the latest versions of the AFQRJOS, the British DefStan 91-091 standard, the ASTM D1655 standard, and the NATO F-35 specification.

It has a minimum flashpoint of 38°C and a maximum freezing point of -47°C.

JET A-1 is the principal fuel used for jet turbine engines. It is also used in general aviation for compatible diesel engine planes.