The thickness of the troposphere varies with4
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The troposphere4
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The temperature at FL 110 is -5°C. What will the temperature be at FL 50 if the ICAO standard lapse rate is applied ?4
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Which FL corresponds with the 200 hPa pressure level ?4
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An aircraft is flying over the sea at FL 120, with a true altitude of 12000 feet4
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If the QFE, QNH and QFF of an airport have the same value,4
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What is the approximate speed of a 90 km/h wind, expressed in knots?4
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The geostrophic wind is less than the gradient wind around an anticyclone because the4
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In an area of converging air4
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Geostrophic wind4
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