ED Decision 2025/010/R
ESTIMATION OF THE FUEL/ENERGY CONSUMPTION
(a) When, for the current conditions under which a flight is to be performed, no specific fuel/energy consumption data is provided in the AFM, the planned amount of usable fuel/energy for the flight should be based on conservative estimation of the fuel/energy consumption.
(b) The estimation of the fuel/energy consumption for the current conditions under which the flight is to be performed may be obtained by interpolating known data provided in the AFM or by monitoring the real fuel/energy consumption.
(c) In addition, for the estimation of the fuel/energy consumption, the most favorable regime should be considered for engine work at the intended density altitude and speed for the different phases of flight and the intended flight profile, as well as reported wind conditions.
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