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Information in METAR, ATIS, and TAF reports typically include which units of measurements?

  • A

    Feet.

  • B

    Metres.

  • C

    Both meters and feet.

  • D

    None of the above.

This question is quite simple, in a METAR, ATIS or TAF, a few of the items are distances to be measured, these include visibility, RVR (Runway Visual Range) and cloud base.

Visibility is usually measured in metres (for some reason, the USA use statute miles), RVR is reported in metres (though in the USA, they use feet), and cloud base is measured in feet, to the nearest hundred feet. For this reason, overcast clouds at 300 ft are written in a METAR (or TAF) as OVC 003, for example. Therefore, both feet and metres are used in these reports.

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