备用机场

  • 网络Reliever Airports
备用机场备用机场
  1. 备用机场,当不可能或不适宜在预选机场着陆时,可作着陆使用的场机。

    Alternate aerodrome , an aerodrome to which an aircraft may proceed when it becomes either impossible or inadvisable to proceed to or land at the aerodrome of intended landing .