Airports are established for many different reasons and purposes. They are, therefore, different in size in order to different types of aircraft that will use it. Large international airports have long runways and facilities to match the many users of the airport. Small training airports don’t need long runways because the users will be small, 2 or 4 passenger training aircraft. An airport has two basic areas of operation :
The area used for the take-off, landing and movement of aircraft
The area of support facilities