What is Air space?
'''Air space''' is the area of the [[air]] that is [[control]]led by a [[country]] or [[organisation]]. You have to have the [[permission]] of the controller to enter their air space in an [[airplane]].<ref>A Dictionary of Aviation, David W. Wragg. {{ISBN|9780850451634}}, 1st Edition Published by Osprey, 1973 / Published by Frederick Fell, Inc., NY, 1974 (1st American Edition.), Page 29.</ref> The [[air traffic control]]<nowiki/>lers make sure the planes go in the right place and do not hit each other or something else. Some countries are very protective of their air space. ==References== {{reflist}} {{Transport-stub}} [[Category:Aviation safety]] [[Category:Geography]]