Duty of deck cadet on board?

As a Deck cadet, part of your duties will include helping to oversee the safe navigation of the ship, to ensure deck maintenance and to supervise the crew. Your working area will be predominantly on the ship's Bridge as well as other external deck areas. Responsibilities will include maintaining deck areas, taking part in the 'watch' which incorporates most arrivals and departures from port, looking after the charts and logbook, maintaining accurate records of the ship's position and eventually supervised driving of the ship and negotiation of traffic situations.