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  2. Cabin pressurization - Wikipedia

    en.wikipedia.org/wiki/Cabin_pressurization

    At 40,000 ft (12,192 m), the ambient air pressure falls to about 0.2 bar, at which maintaining a minimum partial pressure of oxygen of 0.2 bar requires breathing 100% oxygen using an oxygen mask. Emergency oxygen supply masks in the passenger compartment of airliners do not need to be pressure-demand masks because most flights stay below 40,000 ...

  3. Emergency oxygen system - Wikipedia

    en.wikipedia.org/wiki/Emergency_oxygen_system

    Most commercial aircraft that operate at high flight altitudes are pressurized at a maximum cabin altitude of approximately 8,000 feet. On most pressurized aircraft, if cabin pressurization is lost when the aircraft is flying at an altitude above 4,267 m (14,000 feet), compartments containing the oxygen masks will open automatically, either above or in front of the passenger and crew seats ...

  4. Ground support equipment - Wikipedia

    en.wikipedia.org/wiki/Ground_support_equipment

    There are three primary types of these devices that exist currently: a stored air cart, a gas turbine based unit, and a diesel engine driven screw compressor unit. All three devices create a source of low pressure, high volume air to start the aircraft engines. Typically one or two hoses are connected to these units, with the largest aircraft ...

  5. Cessna Citation X - Wikipedia

    en.wikipedia.org/wiki/Cessna_Citation_X

    The pressure bulkhead is also similar to previous designs. The Citation X has the same fuselage cross-section as the Citations III, VI and VII; however, the wing attachment to the fuselage is different from the attachment in previous Citation. The Citation X was the first aircraft from Cessna to use a Rolls-Royce engine and fully-integrated ...

  6. Aircraft cabin - Wikipedia

    en.wikipedia.org/wiki/Aircraft_cabin

    Cabin pressurization is the active pumping of compressed air into the cabin of an aircraft in order to ensure the safety and comfort of the occupants. It becomes necessary whenever the aircraft reaches a certain altitude, since the natural atmospheric pressure would be too low to supply sufficient oxygen to the passengers.

  7. The 12 best carry-on luggage pieces that definitely fit in ...

    www.aol.com/lifestyle/best-carry-on-luggage...

    Each of these carry-on luggage pieces fits in the overhead compartment. Shop Monos, Samsonite, Away and more. The 12 best carry-on luggage pieces that definitely fit in the overhead compartment