Boeing widebodiesThe German flag carrier also flies the modern 747-8, which has a service ceiling of 43,100 ft (13,137 m).
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Commercial jetliners have a limited elevation ceiling of about 45,000 feet. While corporate aircraft can fly higher, slightly above 50,000 feet, they are specifically designed for such purposes. However, reaching an altitude of 60,000 feet would require super-efficient engines and glider-like wings.
The absolute maximum altitude a plane can reach is only limited by the lift it can produce. This will be a function of the wing (and one of our resident engineers can explain this) and the airflow over the wing. The airflow in turn is a function of your altitude (air density) and airspeed.
The highest certified altitude of an airliner was Concorde's 60,000 feet. Today some of the corporate jets can fly at 51,000 feet. Q: What is the highest cruising altitude allowed? A: Most airliners are limited to 45,000 feet or less.
And that at cabin altitudes above 14,000 feet pilots must use oxygen at all times. And that above 15,000 feet each occupant of the aircraft must be provided supplemental oxygen. All of this is spelled out in Federal Aviation Regulations Part 91.211.
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.
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).
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.
It refers to altitudes above a certain point where the amount of oxygen is insufficient to sustain human life for an extended time span. This point is generally tagged as 8,000 m (26,000 ft, less than 356 millibars of atmospheric pressure).
A major reason for flying at that altitude is money; After labor, fuel is the greatest expense for airlines. That's why airlines are constantly working to maximize their fuel efficiency. Cruising at 36,000 feet helps with that. The higher altitude means thinner air.
' For example, for the double-decker Airbus A380' superjumbo' quadjet, the service ceiling is 43,000 feet. Meanwhile, for the Boeing 787-8 and -9 'Dreamliner,' it is 43,100 feet. However, the stretched-fuselage 787-10 comes in a little lower, at 41,100 feet. Want answers to more key questions in aviation?
Understanding these speeds can provide a fascinating insight into the realm of aviation. On average, commercial planes cruise at about 575-600 mph (925-965 km/h, 500 to 521 knots, 0.78 to 0.81 Mach). Private jets typically cruise at around 500-600 mph (805-965 km/h, 435 to 521 knots, 0.68 to 0.81 Mach).