Flying High: The Reasons Why Aircraft Cruise At Such Considerable Altitudes

Have you ever wondered why passenger airplanes always cruise at an altitude of between 30,000 and 42,000 feet above sea level? The reason is twofold one because the plane can fly faster and two because it is much more efficient money-wise. Before we get into the aircraft angle and why planes cruise at high altitudes, let's first look at what happens to the air the higher you get from the earth.

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