Navigation PPLbasic
An aircraft covers a distance of 140 NM in 1 hour and 15 minutes. What is its groundspeed (GS)?
Answer
112 kt
Explanation
The elapsed time is `$85/60$` hours. GS is `$110/(85/60)\approx77.6$` kt, rounded to 78 kt. **Key takeaway:** Convert hours and minutes into decimal hours for speed calculations.\n\n**Glossary:** **GS**: Groundspeed.
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