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Determine the GS using the following data;

TT: 300º
TAS: 182 kt
W/V: 150º/25 kt.
  • A
    160 kt
  • B
    151 kt
  • C
    204 kt
  • D
    212 kt
Refer to figures.
For this question, using your Flight/Nav computer apply the following steps:
  • Place the centre dot over TAS 182 kt.
  • Rotate the disk until wind direction 150o is under the True index.
  • Mark wind velocity 25 kt below the centre dot.
  • Rotate the disc until the track 300o is under the True index.
  • The mark shows a Groundspeed of 204 kt.

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