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How is pressure maintained in aircraft flying at a very high altitude?
Cabin pressurization is a process in which conditioned air is pumped into the cabin of an aircraft or spacecraft in order to create a safe and comfortable environment for passengers and crew flying at high altitudes. The cabin pressure is regulated by the outflow valve.
What would happen if a plane depressurized?
Loss of cabin pressure triggers confusion before sleepiness and even death. Passengers may have succumbed to hypoxia, or a lack of oxygen. But one possible scenario is that the cabin may have lost air pressure for some unknown reason, incapacitating all on board. …
Why do planes lose cabin pressure?
Loss of pressure in a plane can come from a hole or leak and results in loss of oxygen. Pilots then need to get the aircraft down to a safe altitude where everyone can breathe normally. Loss of pressure could be caused by a bomb and destroy the plane in the worst case scenario.
Why are airplane cabins pressurized?
Why Pressurized Cabins Are Necessary. Cabins are pressurized to create a safe and comfortable environment for pilots, crew and passengers. Most commercial airplanes fly at around 30,000 to 40,000 feet above sea level. At high altitudes such as this, the air is thinner than it is on the ground.
Why does the Boeing 787 pressurize to 6000 feet?
Most airplanes pressurize to 8000 foot altitude (MSL) and the air is dry to prevent corrosion. However, the Boeing 787 pressurized to 6,000 feet and has a more balanced humidity due to the composite construction. The reason for pressurizing to an altitude Above sea level is the structural requirements.
Do all fighter jets have a pressurized cockpit?
All fighter jets have a pressurized cockpit, while not exactly like an airliners or on the same schedule, certainly very similar. Also hypoxia is rarely if ever a problem, whether pressurized or not, since the pilot breathes O2 though his mask from takeoff to landing.
What is the highest cabin altitude allowed on a plane?
The highest cabin altitude that could be permitted is 15,000 ft, above which hypoxia-induced loss of consciousness can occur.