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Given the following information, calculate the wind velocity:

HDG: 133°T
TAS: 225 kt
Track: 144°T
GS: 206 kt

  • A
    070°T/50 kt
  • B
    075°T/45 kt
  • C
    075°T/50 kt
  • D
    070°T/40 kt

Refer to figures.

  • Drift or drift angle, is the angular difference between the track of the aircraft and its heading. Keep in mind, to determine the drift the reference is heading to track.
    In this case, Heading is 133º and the Track is 144º, therefore we have 11º right drift.

Determining winds with the flight computer:

1. Set True Heading (133ºT) under "True Index"
2. Place centre dot over TAS (225 kts)
3. Mark the point where drift (11ºR) and GS (206 kt) meet.
4. Rotate the wind computer until mark is below TAS.
5. Check wind direction under "True Index" (074º)
6. Count down from TAS to obtain wind speed (225 - 180 = 45 kt)

W/V = 074º / 45

Your Notes (not visible to others)



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