What is meant by "isothermal layer"?4
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The temperature lapse rate with increasing height within the troposphere according ISA is...4
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Which process may result in an inversion layer at about 5000 ft (1500 m) height?4
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An inversion layer close to the ground can be caused by...4
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What is the ISA standard pressure at FL 180 (5500 m)?4
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Which processes result in decreasing air density?4
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The pressure at MSL in ISA conditions is...4
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The barometric altimeter indicates height above...4
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The altimeter can be checked on the ground by setting...4
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The barometric altimeter with QNH setting indicates...4
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