15. Sub-type 1 aviation turbine fuel is a medium distillate with a minimum flash point of 38 °C. It is generally used in civil aviation operations. The maximum freezing point of grade JET A is - 40 °C and that of grade JET A-1 is - 47 °C.
Sub-type 1 aviation turbine fuel must comply with Canadian General Standards Board standard CAN/CGSB-3.23-2012 - Aviation Turbine Fuel (Grades JET A and JET A-1).