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Id 183 - ATPL - You are flying at FL 300 where the outside air temperature is -57,5°C and the pressure at MSL is 1013,25 hPa. If you assume that the difference between the actual temperature and the temperature in the ISA is valid for the whole troposphere, then the true altitude is:
Question id 183 - Meteorology - ATPL - Airline Transport Pilot license
Explanation: You are flying at FL 300 where the outside air temperature is -57,5°C and the pressure at MSL is 1013,25 hPa. If you assume that the difference between the actual temperature and the temperature in the ISA is valid for the whole troposphere, then the true altitude is:
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