The flight was conducted under special visual flight rules, which require the pilot to remain clear of cloud and in visual contact with the surface 該次飛行是按照特殊目視飛行規(guī)則進行;根據(jù)該規(guī)則,飛行員須一直離開云層并能目視地面。
A civil aircraft performing visual flight shall observe visual flight rules and keep a safe separation from other aircraft and ground obstacles 進行目視飛行的民用航空器,應(yīng)當遵守目視飛行規(guī)則,并與其他航空器、地面障礙物體保持安全距離。
Pilots fly under “ visual flight rules ” ? they file a flight plan with a local flight service station, navigate by altimeter and visual cues, and stay out of controlled airspace 駕駛員按照目視飛航規(guī)則飛行,也就是先向區(qū)域性的飛航服務(wù)站提出飛行計畫書,然后利用高度計和目視地標航行,并且不能進入飛航管制的空域。
Before the implementation of ifr routes and procedures, helicopter services between hong kong and macau were operated only when weather conditions satisfied the visual flight rules . flights were sometimes delayed or even cancelled due to inclement weather 在儀表飛行規(guī)則路線及程序獲準采用前,來往港澳之間的直升機只可在天氣容許目視飛行的情況下運作,直升機服務(wù)偶會因天氣惡劣而延遲或取消。