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wind cone

avia. вітропокажчик m; вітровказівник m
meteorol. вітрови́й ко́нус; вітровказник m
wind-cone
meteorol. вітрови́й ко́нус
 English thesaurus
wind cone
avia., Canada An indicator that is in the form of a truncated cone made of fabric and that is not less than 12 ft long and, at the larger end, not less than 3 ft in diameter, so constructed as to give a clear indication of the direction of surface wind and a general indication of wind speed; An actuated device for indicating visually to aircraft the direction of surface wind