What are the main requirements for fuel used in aviation?

Conventional aviation fuels Jet-A powers modern commercial airliners and is a mix of extremely refined kerosene and burns at temperatures at or above 49 °C (120 °F). Kerosene-based fuel has a much higher flash point than gasoline-based fuel, meaning that it requires significantly higher temperature to ignite.



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Ground refuelling can be done either through gravity refuelling or pressure refuelling. Gravity refuelling is mostly used for smaller aircraft, while pressure refuelling is used for larger aircraft.

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The average rate of fuel jettison must be at least 1 percent of the maximum weight per minute, except that the total time required to jettison the amount of fuel to reduce the aircraft weight from maximum takeoff to maximum landing need not be less than 10 minutes.

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Visual Flight Rules: Pilots must plan for enough fuel to fly to the point of intended landing, considering wind and weather, and 30 minutes (day), or 45 minutes (night) thereafter. No alternate airport is required.

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