EASA NAV(A)intermediate
60. TAS is 120 kt with a 35 kt tailwind. How long is needed for 185 NM?
Answer
1 h 12 min
Explanation
Tailwind gives GS $120+35=155$ kt. Time is $185/155≈1.19$ h, about 1 h 12 min. **Key takeaway:** Add a tailwind component to TAS to estimate GS. **Glossary:** Tailwind: wind component in the direction of travel.
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