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Nov 142009


Most commercial airliners are pressurized to an effective altitude of 8000 feet above sea level.

I’m sure a web search will help you convert that to atmospheres, bars, %, or whatever other units you like.

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Posted by Airtime at 12:34 pm Tagged with: Atmospheres, Commercial Airliners, Commercial Airplane, Cruising Altitude, Feet Above Sea Level, Oxygen Concentration, Web Search

One Response to “What is the oxygen concentration in the air inside a commercial airplane flying at cruising altitude?”

  1. Jon says:

    Most commercial airliners are pressurized to an effective altitude of 8000 feet above sea level.

    I’m sure a web search will help you convert that to atmospheres, bars, %, or whatever other units you like.
    References :

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