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Better fuel economy. The air is thinner at higher altitudes.

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Q: Why does plane not fly at low altitude Why do they usually fly at high altitude?
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Related questions

How high does the average plain fly in km?

An average plane flies between 5 to 10 km above the surface of the earth. Planes cannot fly below or above the altitude. After this altitude there is not much air.


What altitude to airplanes fly?

They usually fly in the stratosphere. That is from 25,000 feet to 40,000 feet. This may differ from palne to plane. A plane like Cessna flies very close to the ground at about 9000 feet.


What is the lowest altitude a plane can fly at?

1000 - 500 ft


How high do long distance passenger jets fly?

They usually fly at an altitude of 30,000 to 35,000 feet, to avoid bad weather.


How do you use altitude in a 4 grade easy sentence?

Helicopters fly at low altitude.Passenger planes climb to high altitude.Birds use low altitude height to fly from tree to housetop.Military cargo planes pass over my house at low altitude.


How high can a Cessna 172 plane fly?

The ceiling height of a Cessna 172 is 13,500 ft. The optimum altitude for maximum range is 12,000 ft.


What is the cruising altitude of a commercial plane?

There is no certain cruising altitude for a commercial airline. it depends on where they are flying and how long they fly. most airlines fly above 10,000 ft. the max altitude is around 41,000 ft.


Another word for fly high?

Flying at altitude


How do airplanes change altitude?

One of the main reasons is to conserve fuel. Airplanes can fly at any altitude and speed. However, airplanes generally tend to fly at high altitude to conserve fuel. This makes the plane more efficient and keeps the operating cost down. Of course, an airplane can not always fly at max altitude at every flight. It may have too much weight or the distance it travels may be too short. So there is always a trade-off as to how they will fly the route.


How high do you have be to fly?

To be able to fly in a plane, you have to be at a much higher altitude, and not in the same atmosphere conditions as the kind we are exposed to. There is lots of scientific research behind this, but to be sure you find what you are looking for, google it and find a reliable source to tell you! :)


How high does a jumbo plane fly?

A 747 can fly at 33,000 feet or 6.27miles high.


How do you get to Oregon from Toronto?

Usually we fly in a plane.