PPRuNe Forums - Wind is calm

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New on NG

3rd Aug 2007 13:12

Wind is calm

:)When the wind is considered calm, below 6 knots or 5 knots?
Thanks in advance

TACHO

3rd Aug 2007 16:31

Caa definition of calm wind is not more than 4 knots..

Tacho

spekesoftly

3rd Aug 2007 20:09

According to UK CAA publication CAP 746 (Meteorological Observations at Aerodromes) Chapter 4 Page 3 para 3.1.9 :-

"When the wind speed is less than 1 knot, this should be reported as calm"

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