The master was fully aware that a berth-to-berth passage plan had not been prepared and that the new charts had not been amended prior to departing Le Havre. The reduction in speed on the morning of 3 January 2014 indicated that there was time in hand to delay sailing or go to a suitable anchorage to allow time for a more detailed passage plan to be completed. However, having chosen to proceed on passage, the master still had options that would have allowed the 2/O to fulfil his navigation officer duties; there were sufficient qualified officers on board to permit his temporary withdrawal from OOW duties and allow him the time necessary to complete the passage plan and chartwork.