What do “Irregular flights” refer to? A: delayed flights B: cancelled flights C: Both A and B D: none of the above
What do “Irregular flights” refer to? A: delayed flights B: cancelled flights C: Both A and B D: none of the above
scheduled flights
scheduled flights
All ______ to Hong Kong were delayed because of bad weather. A: fly B: flights C: flights D: flies
All ______ to Hong Kong were delayed because of bad weather. A: fly B: flights C: flights D: flies
We could divide chartered carrier transport into whole chartered flights and part chartered flights according to the cargo volume.
We could divide chartered carrier transport into whole chartered flights and part chartered flights according to the cargo volume.
These are the ______ (regularity) flights from London to Paris.
These are the ______ (regularity) flights from London to Paris.
Only international flights require security check.
Only international flights require security check.
Who are not contributing to the safe operation of flights worldwide?
Who are not contributing to the safe operation of flights worldwide?
VFR飞行和IFR飞行之间应当配备哪种间隔？（What type of separations shall apply between VFR flights and IFR flights?）
VFR飞行和IFR飞行之间应当配备哪种间隔？（What type of separations shall apply between VFR flights and IFR flights?）
All flights ______ because of the storm, they decided to take the train.
All flights ______ because of the storm, they decided to take the train.
13. Some airplanes are leaving, and many flights are postponed.
13. Some airplanes are leaving, and many flights are postponed.