In order to find ALTERNATE FUEL and TIME TO ALTERNATE, the AEROPLANE OPERATING MANUAL shall be entered with:
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A
distance in nautical miles (NM), wind component, landing mass at alternate
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B
distance in nautical air miles (NAM), wind component, landing mass at alternate
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C
distance in nautical miles (NM), wind component, Dry Operating Mass plus Holding Fuel
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D
distance in nautical miles (NM), wind component, Zero Fuel Mass
Working through the graph: We enter the graph with a known GROUND distance (NM) to the Alternate (not Air miles NAM). Thereafter, we apply the wind correction - that is what we need the Wind Component for. Then we apply the mass correction using the "Landing Weight at Alternate".
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