خطأ لوا في وحدة:parameters على السطر 56: attempt to call upvalue 'plain' (a nil value).
- A vehicle capable of atmospheric flight due to interaction with the air, such as buoyancy or lift.
- صِيْغَةُ جَمْعٍ مُفْرَدُهَا aircraft.
- The word aircraft is a countable noun, but with the same plural form as singular; hence "one aircraft", "two aircraft", etc.
- When the term aircraft is used without qualification, it is not usually taken to include rocket aircraft.