A" or "Jet A-1" in white text on a black background.

Differences between Jet A and Jet A-1

The differences between Jet A and Jet A-1 are twofold. The primary difference is the lower freezing point of Jet A-1 fuel:
* Jet A's is
* Jet A-1's is -47 C

The other difference is the mandatory addition of an antistatic additive to Jet A-1 fuel.

Typical physical properties for Jet A and Jet A-1

Jet A-1 fuel must meet:
* DEF STAN 91-91 (Jet A-1),
*

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