Site and installations for the takeoff and landing of aircraft. Early airports were open, grass-covered fields, called landing fields, that allowed a pilot to head directly into the wind to aid a plane's lift on takeoff and to decrease its speed on landing. In the 1930s heavier airplanes required paved runway surfaces. Larger planes needed longer runways, which today can reach 15,000 ft (4,500 m) to accommodate the largest jet aircraft. Air traffic is regulated from control towers and regional centres. Passenger and cargo terminals include baggage-movement and passenger-transit operations.
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An aerodrome is an area on land or water (including any buildings, installations and equipment) used for the arrival and departure of aircraft.
The Canadian act says "...for the most part, all of Canada can be an aerodrome.", however there are also "registered aerodromes" and "certified airports". To become a registered aerodrome the operator must maintain certain standards and keep the Minister of Transport (Canada) informed of any changes. To be certified as an airport the aerodrome, which usually supports commercial operations, must meet safety standards.