How High Do Private Planes Fly?

How High Do Private Planes Fly? Commercial flights typically fly at an average altitude of 35,000 feet. Private jets, on the other hand, reach much greater heights, usually at 41,000 feet. Others even reach 45,000 feet. How high do civilian planes fly? Commercial aircraft typically fly between 31,000 and 38,000 feet — about 5.9 to

How High Can You Climb Without Oxygen?

How High Can You Climb Without Oxygen? So how high can we climb before we need oxygen? 26,000 feet (8,000 meters) is the official ‘Death Zone’ where severe altitude sickness occurs without the use of supplemental oxygen. The body begins shutting down, eventually leading to death. Do you need oxygen at 14000 feet? Altitude (Feet)