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Cabin pressurization - Wikipedia
Sep 08,  · According to USA Today, the common cruising altitude for most commercial airplanes is between 33, and 42, feet, or between about . that aircraft must be equipped to provide a cabin alti-tude of no more than ft (cabin pressure is no lower than mmHg) at the maximum cruise altitude, or maximum operating altitude under normal operating conditions (15). However, no U.S. regulation requires that a transport category aircraft be operated at or below TABLE 1. 14 CFR PART SUPPLEMENTAL OXYGEN REQUIREMENTS. Apr 29,  · Ideal altitudes differ between planes Ideal altitudes are based on the aircraft, its weight, and the current atmospheric conditions. For most airliners, that's between 30,ft and 40,www.- : Sophie-Claire Hoeller.

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