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During a flight, the pilot is requested by ATC to report the time overhead the next waypoint 'EUCAA'. According to the flight management computer, this time will be 10:18 UTC or 09:18 standard time. It is now 09:08 standard time. How would the pilot correctly report the time overhead?

  • A

    Overhead EUCAA at zero-niner-one-eight.

  • B

    Overhead EUCAA at one-eight.

  • C

    Overhead EUCAA at one-zero minutes.

  • D

    Overhead EUCAA at ten-eighteen.

The time now is:

  • 09:08 standard time

and the aircraft will be overhead the waypoint EUCAA in 10 minutes at:

  • 09:18 standard time
  • or 10:18 UTC

This question is testing your knowledge that:

  • The 24 hour clock is used
  • All times are given in UTC

Normally only the minutes are transmitted, unless there is the possibility of confusion, and then both the hour and minutes are given.


ICAO Annex 10 Volume II
3.4 TIME SYSTEM

3.4.1 Coordinated Universal Time (UTC) shall be used by all stations in the aeronautical telecommunication service. Midnight shall be designated as 2400 for the end of the day and 0000 for the beginning of the day.

3.4.2 A date-time group shall consist of six figures, the first two figures representing the date of the month and the last four figures the hours and minutes in UTC.

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