In which of the following areas is the highest frequency of thunderstorms encountered ?4
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Assuming that an initial 'trigger' force is present, the conditions most likely to result in the formation of thunderstorms are4
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After a sunny day, followed by a long clear night, you take-off from an airfield at mid- latitudes in the northern hemisphere an hour before sunrise. The field is not situated close to the coast. Though the pressure gradient is rather large, the easterly surface wind is weak. What do you expect?4
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When a front has to cross a chain of mountains, its activity4
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What is the meaning of the expression 'FEW'?4
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The upper wind and temperature chart of 250 hPa corresponds, in a standard atmosphere, to about4
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What does the expression 'Broken (BKN)' mean?4
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Over Madrid, what intensity of turbulence and icing is forecast at FL 200 ?4
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Which degree of aircraft turbulence is determined by the following ICAO description?'There may be moderate changes in aircraft attitude and/or altitude but the aircraft remains in positive control at all times. Usually, small variations in air speed. Changes in accelerometer readings of 0.5 to 1.0 g at the aircraft's centre of gravity. Occupants feel strain against seat belts. Loose objects move about. Food service and walking are difficult.'4
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What name is given to the jet stream lying over North Africa (B) ?4
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Other exam subjects ATPL - Airline Transport Pilot license