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Planning max payload - winds aloft

Old 1st Mar 2021, 14:50
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Planning max payload - winds aloft

Quick question for other dispatchers:
The company I work for uses the Jetplanner as the main ops tool. We fly cargo with 762 and when calculating the max payload for sales offers, some of us use winds aloft 0 with std ISA, and some opt for using the historical winds & ISA dev. How do YOU go about it and why? For the purposes of the question assume longer distances +3000nm, overland, dates/times are known.
d3adh3ad is offline  
Old 12th Mar 2021, 07:32
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The best way to do that would be to use historic winds if you know the month of the proposed flight and its outside the 36 hour current winds 'window'.
Winds aloft 0 and 0 ISA will generate what is in effect a still air plan, which is unrealistic for both burn, payload and timings. Historic winds will always give you a more realistic average.
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