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According to the following TAF, a pilot planning to take off from Frankfurt airport (EDDF) on the 7th of the month at 05:00 UTC could expect (1) _____ visibility, a wind speed of (2) _____, and (3) _____ clouds.

EDDF TAF 061000Z 0612/0718 23012KT 7000 SCT026 BECMG 0615/0618 22020KT BECMG 0700/0703 16015KT 8000 FEW026 BECMG 0709/0712 24010KT 7000 SCT028 BECMG 0715/0718 22008KT FEW035

  • A
    (1) 7000 m; (2) 12 kt; (3) scattered
  • B
    (1) 7000 m; (2) 8 kt; (3) few
  • C
    (1) 8000 m; (2) 15 kt; (3) few
  • D
    (1) 7000 m; (2) 10 kt; (3) scattered

This TAF (Terminal Aerodrome Forecast) is issued at 10:00 UTC on the 6th of the month, and covers the forecasted weather for periods of time through from the 6th at 12:00 UTC (0612) to the 7th at 18:00 UTC (0718).

Of the time periods, we must look for any that include 0705 (the 7th at 05:00), but failing that, the ones immediately prior to that time.

There is no time period that includes 0705, so the weather expected at 05:00 UTC should be whatever was happening at the end of the last time period, "BECMG 0700/0703 16015KT 8000 FEW026". This is because between 00:00 and 03:00 UTC on the 7th, the weather is expected to change to (BECMG) "16015KT 8000 FEW026", and we must therefore assume that after 03:00, the weather will become that.

Therefore, the wind is expected to be 15kt, the visibility should be 8 000 m and the clouds should be few with a base of 2 600 ft.

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