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Remote Pilot (Part 107) practice question 1

What are characteristics of a moist, unstable air mass?

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Correct answer: A. Turbulence and showery precipitation.

Moist, unstable air rises readily, producing cumuliform clouds, turbulence and showery precipitation, usually with good visibility outside the showers.

References

Pilot's Handbook of Aeronautical Knowledge (FAA-H-8083-25C), ch. 12, Weather Theory · search it in our library

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Question 1 from the FAA document Unmanned Aircraft General (UAG) Sample Questions (U.S. Government work, public domain) · ACS/LSC code UA.III.B.K1d. The FAA does not publish an answer key; the answer and explanation are ours, with references. Verify against the current regulations and handbooks.