Why Do Commerical Aircraft Fly So High? The reason aeroplanes fly so high is due to improved fuel efficiency. A jet engine operates more efficiently at higher altitude where the air is much thinner, allowing an aircraft to travel faster whilst at the same time, burning less fuel.
Whats the highest a plane has ever flown?
Question: What is the highest altitude an airplane can fly? Answer: The highest commercial airliner altitude was 60,000 feet by Concorde. The highest military air-breathing engine airplane was the SR-71 — about 90,000 feet. The highest airliner flying today reaches 45,000 feet.
Is there oxygen at 35000 feet?
In other words, theres ample air at 35,000 feet, and there is sufficient oxygen in it. In fact, theres even a reasonable amount of air at the altitude where the International Space Station operates!
Why do planes not fly over Disney?
No-fly zones (NFZs) are areas of the world where airplanes are not allowed to pass over. They were initially established to protect high-ranking officials during wars and would be patrolled by fighter jets. Now they are mostly created to safeguard important areas in a country.