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Altimeter setting

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Altimeter setting

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Altimeter Setting Change FAA Test Question

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Pressure Altitude: Why is it important? - KINGSCHOOLS.COM

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Civil Aviation : The Altimeter and Height Levels on an Airplane

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What is QNH?

Altimeter setting is the value of the atmospheric pressure used to adjust the sub-scale of a pressure altimeter so that it indicates the height of an aircraft above a known reference surface. This reference can be the mean sea level pressure (QNH), the pressure at the nearby surface airport or the pressure level of 1,013.25 hectopascals which gives the standard flight levels
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