登录 | Chinese | 使用条款
词典论坛联络
Google | Forvo | +

runway visual range

运输, 航空 kilimo ir tūpimo tako matomumo nuotolis
 英语 词库
runway visual range
航空 The range over which the pilot of an aircraft on the centre line of a runway can see the runway surface markings or the lights delineating the runway or identifying its centre line.
航空, 美国人 In respect of a runway, the maximum horizontal distance in feet for the direction of takeoff or landing, as measured by an automated visual landing distance system and reported by an ATC unit or an FSS, at which the runway, or the lights or markers delineating it, can be seen from a point above its centreline at a height corresponding to the average eye level of pilots at touchdown
Runway Visual Range
缩写, 苏格兰语 RVR

增加 | 报告错误 | 获取短网址