1 / 20

When communicating over the radio, the time transmitted should be...

  • A

    UTC.

  • B

    local time.

  • C

    standard time.

  • D

    time zone time.

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.

UTC is used in aviation to provide a consistent, reliable, and unambiguous time reference that supports the safety, coordination, and efficiency of global aviation operations.

Your Notes (not visible to others)



This question has appeared on the real examination, you can find the related countries below.

  • Austro Control
    1
Keyboard Shortcut Use Keyboard Shortcuts