(1) For the purposes of reporting and recording time, Co-ordinated Universal Time (UTC) shall be used and shall be expressed in hours and minutes and, when required, seconds of the 24-hour day beginning at midnight.
(2) A time check shall be obtained from an air traffic services unit, if possible, prior to operating a controlled flight and at such other times during the flight as may be necessary.
(3) Wherever time is utilised in the application of data link communications, it shall be accurate to within 1 second of UTC.