Although information on landings and departures of every aircraft is information that is kept at every airport in the world, the airport authority in Liberia had consistently claimed that such a list was only kept for a short while and then destroyed.
世界上每个机场都保存每架飞机降落和起飞的资料，但是利比里亚机场当局却一直声称，这种清单保留很短一段时间后就销毁了。