EASA NAV(A)intermediate
An aircraft has TC 270°, TAS 100 kt, and wind 090°/25 kt. What is the flight time for 100 NM?
Answer
48 min
Explanation
Wind from 090° blows toward 270°, providing a 25 kt tailwind. Thus GS = 125 kt and time = 100/125 hour = **48 minutes**. **Key takeaway:** A wind direction is named for where it comes from. **Glossary:** Groundspeed: speed of the aircraft over Earth's surface.
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