英语词汇“helicopter clearway”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	helicopter clearway
释义	helicopter clearway helicopter clearway A defined area on the ground or the water under the control of the appropriate authority, selected and/or prepared as a suitable area over which a performance class 1 helicopter may accelerate and achieve a specific height. A clearway is to be located beyond the upwind end of the rejected takeoff area available. The width of a helicopter clearway should not be less than that of the associated safety area.
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