I read that the system only estimates the fuel consumption via the fuel flow, which has some degree of inaccuracy.Where can you find this expression (fuel biases) Manu H 20 may.
Its supposed to be part of IATAs guidance on Fuel Efficiency Conservation practices. Ive only heard about it, but not have actually read the material, and was just asking around what it is. Net research yielded a comparison between the calculated consumption by the aircrafts computer vs the flight plan, so I asked if that was it. But I think it affects the resulting fuel load duriing flight planning, the same way as degradation from the airframe and engine does. As the engine ages, it burns more fuel than a brand new one. The figures are based off previous flights and engine tests. ![]() However, biases depend on the age of the aircraft, how the operator flies it, planned flight level, and speed. But the OP seems to look for the accuracy of metering leading to a difference between actual consumption and metered consumption (which may also affect future prediction, but that doesnt seem to be the main point). Sorry for the confusion, I really am just really wondering if what I read would be the definition for the term. Coeficiente De Sesgo Calculado Con Software Software Fuel PredictionsReally thanks So it seems that besides drag coefficient(I presume this is a composite number that considers both airframe and engine degradation), there might be some factor entered just to align the fuel flow with the flight planning software fuel predictions.
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