Can a plane fly at 43000 feet?

Yes, some can, but it isn't that common. Airliners can't, jet airliners normally operate between 37,000 and 43,000 feet. US airliners normally don't go above 41,000 feet as they have restrictions applied to such flights. Concorde did fly at 60,000 feet routinely, but of course that is history now.



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Flying at 45,000 feet plus altitude might avoid traffic and weather, but it also comes with its own risks. For example, if the aircraft was to rapidly depressurize and emergency oxygen fail, the time of useful consciousness at 45,000 feet is just nine to 15 seconds.

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It is powered by two engines and is the largest twin jet aircraft. The Boeing 777 is certified to fly as high as 43,100 feet, but typically cruises between 35,000-39,000 feet.

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For example, the Airbus A320 has a maximum altitude of 39,000 feet (11,900m) and the Boeing 747 45,000 feet (13,700m).

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What is the highest altitude that a helicopter can fly? The world record in forward flight is around 40,000 feet. The highest landing was on Mount Everest, around 29,000 feet. The limitation is the rotor (a spinning wing), more than the engine, most modern helicopters use jet turbines to spin the rotors.

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Aerodynamic altitude: If a commercial airliner flies too high, it will encounter less dense air passing over the wings to create lift. This can cause the plane to stall and fall out of control. Depending on the weather conditions and aircraft weight, this can occur anywhere between 40,000 and 45,000 feet.

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The maximum height that a commercial airplane is allowed to reach when they fly is 42,000 feet, as this is the universally approved maximum altitude. This max altitude for airplanes is known as the “service ceiling.” Most commercial air jets fly at such a high altitude because it is known to optimize efficiency.

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When an aircraft experiences turbulence, the plane can drop or change altitude suddenly. This is why pilots always caution passengers to buckle up and stay seated when they are experiencing flight turbulence. The sudden movements put passengers at risk.

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Routes with the Most Turbulence
  • New York to London.
  • Seoul to Dallas.
  • Flying into certain airports near the equator. There are certain airports which are located close to the equator which means frequent thunderstorms, especially in certain seasons. ...
  • Flying into Reno, Nevada. ...
  • London to South Africa.


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