airplane可數嗎

　　She fell out of my airplane.

　　她從我的飛機上摔了下來。

　　Did Sunee's package travel by airplane?

　　蘇尼的包裹是通過飛機運輸的嗎？

　　An airplane started for Dalian yesterday.

　　昨天有一架飛機飛往大連。