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Given:

Distance from departure to destination: 2380 NM
GS Out: 420 kt
GS Home: 520 kt

What is the time of the PET from the departure point?

  • A
    123 min
  • B
    188 min
  • C
    19 min
  • D
    152 min

Distance to PET = Distance x GS Home / (GS out + GS Home)

Time to PET = Distance to PET / GS Out

2380 NM x 520 kts / (420 kts + 520 kts) = 1316 NM

1316 NM / 420 kts = 3.13 hrs / 188 mins

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