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wind cone

['wɪndkəun]
航空 vetrokaz "kobasica"
道路交通 vetrokaz
wind-cone
一般 uredaj koji pokazuje smer na aerodromu
 英语 词库
wind cone ['wɪndkəun]
航空, 加拿大 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