Refer to figure.
Using the graph above and the following information, determine the Nautical Air Miles (NAM).
TAS = 350 kt
Headwind Component = 40 kt
Ground Distance = 440 NM
- Using the graph, enter at the bottom right with the TAS of 350 kt
- Go left until the guideline which corresponds to 40 kt headwind component.
- Go directly upwards to the guideline which corresponds to 440 NM ground distance
- Go directly right to the edge of the graph to read off an air distance of approximately 495 NAM
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