There is a lot of people at the airport. Why should it be built in a remote place?

People who often fly know that airports are generally in remote places like suburbs, and there are few airports near the city center. The reason why airports are usually located in suburbs is mainly related to the meteorological conditions, airspace and clearance conditions, expansion potential, noise control and so on.

First of all, it is related to the meteorological conditions in the region, which is due to the special conditions needed for the aircraft to set sail and land.

For the airport, it is best to keep the wind direction unchanged for many years, which will be conducive to the safety of aircraft taking off and landing. Because of the poor crosswind resistance of aircraft, especially small aircraft and old aircraft. Therefore, it is generally safest to take off and land against the wind. If the crosswind is too strong, there is a danger of overturning. When there is really no venue that can meet this condition, we will take the way of building a cross runway to avoid risks.

Areas with extreme weather all the year round are also not suitable. For example, heavy fog or thunderstorm weather all the year round has a serious impact on airport visibility and is very unfavorable for safe flight.

Secondly, it is related to the airspace and clearance conditions around the airport, and it needs to meet the standards of aircraft take-off and landing. Airspace means that there should be enough space in the sky for planes to fly, and this area can have a no-fly zone set up by the military or for other reasons. Clearance condition means that there are certain height restrictions on objects near the airport, such as houses, buildings and mountains.

In addition, the expansion potential of the airport should be considered to lay a good foundation for the later development of the airport. Airports generally cover a very large area, and in the process of continuous development, airports will involve expansion. If there are mountains or seas around the airport and it is necessary to fill the sea or cut mountains during expansion, the labor, time and material costs will be high, and the expansion potential of the corresponding airport will be low.

Another important point is noise control, which requires minimizing noise pollution to residents. Airports take off and land frequently, and generally work in turns 24 hours a day. When the airport is too close to residential areas, it is difficult for nearby residents not to be disturbed by noise. If we have to build the airport near residential areas, we should take measures to reduce the frequency of aircraft navigation to control noise pollution.