MINIMUM FUEL- Indicates that an aircraft's fuel supply has reached a state where, upon reaching the destination, it can accept little or no delay.
Minimum fuel is a radio call a pilot should make to ATC when he doubtful as to whether he has enough fuel to go past his destination and possibly not enough to get to the destination and do an additional approach in IFR conditions.
optimizing flight planning for minimum fuel-burn routes and altitudes working with FAA to change en route fuel reserve requirements to reflect state-of-the-art navigation, communication, surveillance and wind forecast systems ...
(2) For all other aircraft, the maximum certificated takeoff weight of an aircraft, less the empty weight, less all justifiable aircraft equipment, and less the operating load (consisting of minimum fuel load, oil, and flightcrew).
This is the speed where the aircraft has the minimum sink speed during glide also known as the best glide speed, Vglide. Using minimum power to maintain altitude translates in minimum fuel flow and therefore the maximum time aloft.
See also: Flight, Ident, Aircraft, Service, Performance
 
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