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Aeronautical Engineering/International airport design.



I would like to know the factors / parameters regarding the number of terminals required in a international airport.


ANSWER: In the USA, the FAA and Customs keeps tract of the number of flights and their origin and destination. Airport terminal architects can reference this data and estimate the number of flights, along with the arrival times and gate periods. They can also use the data to estimate the growth expected at anytime in the future.

Another, important design criteria for airport design is deciding the size of airplanes that will be accommodated. Some International Airports choose not to support the runways and taxiway clearances needed for some large aircraft such as the A380.

Additionally, many cities choose to either attract or turn away international travelers for economic, jet noise, security, or other issues.

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If the number of flights are increased later say 20 more,in this case new terminals are added in the airport?

Will this could be a challenge as might cause space constraints?


There is no clear answer. It really depends on the space available and the foresight of the designers. I would say (generally) that most airports are designed to include terminal expansion up to 20yrs. Anything more than that and they probably would do an entire redesign of the airport that would include new buildings, taxiways, runway extension, fuel depot, ect.

At some point, most airports run out of room and car parking and other factors such as travel distance to the airport are at a maximum. They would halt major expansion and look to build another airport close by, perhaps within 50-75mi.

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Jan Zumwalt


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