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The Tower reports wind information to the Pilots. What is included in that report?

  • A

    Wind speed in miles per hour.

  • B

    Wind direction in magnetic degrees.

  • C

    The crosswind component.

  • D

    Wind direction and speed per 500 ft above the ground.

Refer to figure.
ICAO Doc 4444
Chapter 11 AIR TRAFFIC SERVICES MESSAGES

11.4.3.2.3 The meteorological information referred to in 11.4.3.2.2 shall be extracted, as appropriate, from meteorological reports providing information on the following elements:

a) mean surface wind direction and speed and significant variations therefrom;

Note.— Information on surface wind direction provided to ATS units by the associated meteorological office is referenced to degrees true North. Information on surface wind direction obtained from the ATS surface wind indicator and passed to pilots by ATS units is given in degrees magnetic.

Surface wind provided by ATC → Degrees Magnetic in kilometers per hour or knots (ICAO Doc 4444)
Surface wind provided by meteorological office (i.e. METAR, SPECI) → Degrees True in meters per second or knots (ICAO Annex 3)

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