Safety Considerations for Jet Fuel and SAF
Did You Know Jet Fuel Isn’t Defined by Chemistry—But by How It Performs at 35,000 Feet?
Strict standards and specifications are required for jet fuel to ensure its safe operation in aircraft. While different standards may be used in different countries, the specifications are generally consistent across standards and most countries adopt the standards developed by ASTM International (ASTM), considered the main standard body for the development of standards for jet fuel.
ASTM D1655 is the relevant standard for jet fuel and covers both Jet A and Jet A-1 (both used in commercial aviation), with the main difference in the freeze point requirements. Jet A, which is mainly used in the United States, must have a freeze point of minus 40ºC or below, while Jet A-1 must have a freeze point of minus 47ºC or below.
The equivalent standard in Canada is CAN/CGSB-3.23-2023: Aviation turbine fuel (Grades JET A and JET A-1). In Canada, Jet A-1 is used in all airports, although Jet A is used for a part of the year in Vancouver
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