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An aircraft is following a true course (TC) of 040° at a constant true airspeed (TAS) of 180 kt. The wind vector is 350°/30 kt. The groundspeed (GS) equals...

  • A

    172 kt.

  • B

    159 kt.

  • C

    155 kt.

  • D

    168 kt.

Refer to figures.
For this question the wind side of your Flight/Navigation computer is required:

  • Set wind direction 350° under the True Index.
  • Mark wind velocity 30 kt up from centre point.
  • Set True Course 040°T under the True Index.
  • Slide wind velocity mark to TAS 180 kt.
  • Ground speed reads under centre: 159 kt.

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