Equivalent Route Winds for Helicopter Air Routes at Heights of 5,000, 10,000, and 18,000 Feet. Volume 2
BOEING VERTOL CO PHILADELPHIA PA
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Equivalent headwinds or equivalent winds are computed using Sawyers method for approximately 4400 strategic world air routes contained in Volumes I and II. The seasonal mean equivalent wind and its standard deviation and the annual 50-, 75-, and 85- percent reliability equivalent winds are tabulated. Route winds are computed for the 5000-, 10,000-, and 18,000 foot levels.