the space in the air above the surface of the earth or a particular portion of such space , usually defined by the boundaries of an area on the surface projected upward
Это интересно
Valdkond ICAO lisade põhjal loodud klassifikaatori järgi: Lennuliikluse korraldamine; Lennureeglid
The following territories, including their territorial waters, internal waters and airspace, situated outside the territory of the Member States shall, taking into account the conventions and treaties applicable to them, be considered to be part of the customs territory of the Union: ...
