Can a plane fly at 75000 feet?

Can a plane fly at 75000 feet? 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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To maintain their operational ceiling of 70,000 feet (21,000 m), the early U-2A and U-2C models had to fly very near their never-exceed speed (VNE). The margin between that maximum speed and the stall speed at that altitude was only 10 knots (12 mph; 19 km/h).

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A: No commercial or business airplane flying today can exceed 100,000 feet. Special rocket-powered airplanes can fly over 100,000 feet to gather data, but they are specially designed for it.

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The U-2, built of aluminum and limited to subsonic flight, can cruise for many hours above 70,000 feet (21,000 metres) with a payload weighing as much as 3,000 pounds (1,350 kg).

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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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Military Jet (F-15 Eagle) It is powered by Pratt & Whitney engines that allow the jet to fly as high as 65,000 feet.

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Tim Morgan, a commercial pilot writing for Quora says aircraft can fly above 40,000 feet, and hence it is possible to fly over Mount Everest which stands at 29,031.69 feet. However, typical flight routes do not travel above Mount Everest as the mountains create unforgiving weather.

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The F-22 Raptor is indeed capable of flying at altitudes of up to 65,000 feet. This impressive feat is made possible by the jet's powerful engines, advanced aerodynamics, and high-tech materials used in its construction.

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Very rarely would you breathe pure O2, it's typically mixed (using a rebreather, diluter, or cannula) with cabin air. At high cabin/unpressurized altitudes Diluter-demand systems can provide up to 100% Oxygen when needed for a flight crew.

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A higher elevation will require a longer climb, meaning the aircraft will burn more fuel in order to reach its cruising altitude. Additionally, 35,000 feet gives more time for airline crew to address any unexpected mid-flight incidents.

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All planes are designed to fly whatever they need to achieve their mission (military or civilian). Some can fly at 50,000 or above because their missions require it, such as the U-2 and the SR-71 reconnaissance planes. A U-2 flew over the Chinese balloon at about 60,000 ft. Some fighter aircraft can reach 50,000 also.

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A Boeing 747 has a cross height of 35,105 ft, while the Embraer climbs 190 to 39,370 ft. The Airbus A380 can even fly at 43,097 ft.

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Aircraft with fixed wings cannot stand still in the air, unless we are talking about VTOL (Vertical Take Off and Landing) aircraft. Lift is created by air flowing around the wing. Too little forward speed, and the wing will stall (loose lift).

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