EASA NAV(A)advanced
72. TC 040°, TAS 180 kt, wind 350°/30 kt. What is GS?
Answer
159 kt
Explanation
The wind has a substantial headwind component for a 040° track, reducing groundspeed to approximately **159 kt**. **Key takeaway:** A headwind component reduces GS. **Glossary:** GS: speed relative to the ground.
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