Bengaluru International Airport and Chhatrapati Shivaji International Airport are controlled by GVK Group. While in India GMR Group operates, through joint ventures, Indira Gandhi International Airport and Rajiv Gandhi International Airport. Germany's Frankfurt Airport is managed by the quasi-private firm Fraport.

For example, in the UK the state-owned British Airports Authority originally operated eight of the nation's major commercial airports вЂ“ it was subsequently privatized in the late 1980s, and following its takeover by the Spanish Ferrovial consortium in 2006, has been further divested and downsized to operating just Heathrow.

Most of the world's large airports are owned by local, regional, or national government bodies who then lease the airport to private corporations who oversee the airport's operation. The world's widest paved runway is at Ulyanovsk Vostochny Airport in Russia and is 105В m (344В ft) wide.ДЄs of 2009, the CIA stated that there were approximately 44,000 'airports or airfields recognizable from the air' around the world, including 15,095 in the US, the US having the most in the world. The longest public-use runway in the world is at Qamdo Bamda Airport in China. These include considerations for safety margins during landing and takeoff. In the United States, the minimum dimensions for dry, hard landing fields are defined by the FAR Landing And Takeoff Field Lengths. Skyline Airport in Inkom, Idaho has a runway that is only 122В m (400В ft) long. Larger airports for airline flights generally have paved runways of 2,000В m (6,600В ft) or longer. Smaller or less-developed airfields, which represent the vast majority, often have a single runway shorter than 1,000В m (3,300В ft). In US technical/legal usage, landing area is used instead of aerodrome, and airport means 'a landing area used regularly by aircraft for receiving or discharging passengers or cargo'. In jurisdictions where there is no legal distinction between aerodrome and airport, which term to use in the name of an aerodrome may be a commercial decision. That is to say, all airports are aerodromes, but not all aerodromes are airports. In some jurisdictions, airport is a legal term of art reserved exclusively for those aerodromes certified or licensed as airports by the relevant national aviation authority after meeting specified certification criteria or regulatory requirements. However, in general, the term airport may imply or confer a certain stature upon the aviation facility that other aerodromes may not have achieved.

In colloquial use in certain environments, the terms airport and aerodrome are often interchanged. The terms aerodrome, airfield, and airstrip also refer to airports, and the terms heliport, seaplane base, and STOLport refer to airports dedicated exclusively to helicopters, seaplanes, and short take-off and landing aircraft.

5 Environmental concerns and sustainability.

4.7 Airport ground crew (ground handling).

Such airports rank among the most complex and largest of all built typologies, with 15 of the top 50 buildings by floor area being airport terminals. Such a base typically includes a stretch of open water for takeoffs and landings, and seaplane docks for tying-up.ДЄn international airport has additional facilities for customs and passport control as well as incorporating all the aforementioned elements. An airport for use by seaplanes and amphibious aircraft is called a seaplane base. In some countries, the US in particular, airports also typically have one or more fixed-base operators, serving general aviation.ДЄn airport solely serving helicopters is called a heliport. Larger airports may have airport aprons, taxiway bridges, air traffic control centres, passenger facilities such as restaurants and lounges, and emergency services. An airport consists of a landing area, which comprises an aerially accessible open space including at least one operationally active surface such as a runway for a plane to take off and to land or a helipad, and often includes adjacent utility buildings such as control towers, hangars and terminals. Airports often have facilities to park and maintain aircraft, and a control tower. Unsourced material may be challenged and removed.ДЄn airport is an aerodrome with extended facilities, mostly for commercial air transport. Please help improve this article by adding citations to reliable sources. This article needs additional citations for verification.

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