Audio tapes from a commuter plane crash last August revealed that the copilot noted it was weird that the airstrip had no lights on.

• 去年8月，一架支线飞机坠毁，从后来在飞机上发现的音频磁带，我们可以看出飞机上的副驾驶知道飞机跑道上的灯不亮很奇怪。