The minimum amount (planned) of fuel to be aboard a domestic flight within the 48 contiguous United States, after reaching the most distant alternate airport, should be at average cruising gasoline use, 45 minutes.
A location where planes take off and land that frequently doubles as a gateway and has concrete runways and a support system is also presented to them, also some facilities are given to people.
After arriving at the closest remote aerodrome, a domestic airplane within the 48 adjacent states ought to have at least 45 minutes of fuel in case of some emergency or flying disturbances.
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