Ship's Masters control and manage the operation of ships or boats.
Day-to-day
ensures compliance with regulations pertaining to safety at sea and protection of the marine environment
directs the activities of the deck crew for navigational support tasks, berthing and unberthing, maintenance, cleaning and painting of superstructures, and the repair and replacement of defective deck gear and equipment.
You usually need a certificate III or IV in maritime operations (coxswain or master) to work as a Ship's Master. Some workers have a diploma or advanced diploma.