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  2. Cabin pressurization - Wikipedia

    en.wikipedia.org/wiki/Cabin_pressurization

    The 787's internal cabin pressure is the equivalent of 6,000 ft (1,829 m) altitude resulting in a higher pressure than for the 8,000 ft (2,438 m) altitude of older conventional aircraft; [62] according to a joint study performed by Boeing and Oklahoma State University, such a level significantly improves comfort levels.

  3. Aircraft cabin - Wikipedia

    en.wikipedia.org/wiki/Aircraft_cabin

    An aircraft cabin is the section of an aircraft in which passengers travel. [1] Most modern commercial aircraft are pressurized, as cruising altitudes are high enough such that the surrounding atmosphere is too thin for passengers and crew to breathe. [2] In commercial air travel, particularly in airliners, cabins may be divided into several parts.

  4. Environmental control system - Wikipedia

    en.wikipedia.org/wiki/Environmental_control_system

    That means that the pressure is 10.9 pounds per square inch (75 kPa), which is the ambient pressure at 8,000 feet (2,400 m). Note that a lower cabin altitude is a higher pressure. The cabin pressure is controlled by a cabin pressure schedule, which associates each aircraft altitude with a cabin altitude.

  5. What happens when an airplane cabin suddenly depressurizes? - AOL

    www.aol.com/news/happens-airplane-cabin-suddenly...

    In the aftermath of the incident aboard an Alaska Airlines 737 Max 9, we look at what happens when an aircraft experiences a sudden loss of cabin pressure and the risks for those on board.

  6. Flight level - Wikipedia

    en.wikipedia.org/wiki/Flight_level

    Flight levels [3] are described by a number, which is the nominal altitude, or pressure altitude, in hundreds of feet, and a multiple of 500 ft. Therefore, a pressure altitude of 32,000 ft (9,800 m) is referred to as "flight level 320". In metre altitudes the format is Flight Level xx000 metres.

  7. How air turbulence creates danger in the skies - AOL

    www.aol.com/air-turbulence-creates-danger-skies...

    Airplanes dropping dozens of feet in seconds. Chaos in cabins. Injuries and, in extreme cases, fatalities. Here’s how air turbulence can create problems for air travelers.

  8. How drinking on a plane may be bad for your heart - AOL

    www.aol.com/news/drinking-plane-may-bad-heart...

    At cruising altitude, cabin pressure is set to what would be experienced between 6,000 to 8,000 feet above sea level, which can contribute to lower oxygen saturation in the blood.

  9. Pressure altitude - Wikipedia

    en.wikipedia.org/wiki/Pressure_altitude

    In aviation, pressure altitude is the height above a standard datum plane (SDP), which is a theoretical level where the weight of the atmosphere is 29.921 inches of mercury (1,013.2 mbar; 14.696 psi) as measured by a barometer. [2]