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447 - ATPL - An aircraft is flying over the sea at FL 100, with a true altitude of 10000 feet; local QNH is 1003 hPa. What assumption, if any, can be made about the air mass in which the aircraft is flying?

Question 447 - Meteorology - ATPL - Airline Transport Pilot license

Its average temperature is about ISA
It is colder than ISA
It is warmer than ISA
There is insufficient information to come to any conclusion

Training tests and timed exam simulations ATPL - Airline Transport Pilot license