- Maintains log of vessel’s progress, weather conditions, conduct of crew, etc.
- Prepares watch keeping rota and maintains a look-out for other vessels or obstacles.
- Maintains radio contact with other vessels and coast stations.
- Monitors the operation of engines, generators and other mechanical and electrical equipment and undertakes any necessary minor repairs.
- Locates the position of vessel using electronic and other navigational aids such as charts and compasses and advises on navigation where appropriate.
- Directs or undertakes the operation of controls to inflate air cushions, run engines and propel and steer ships, hovercraft and other vessels.
- Allocates duties to ship’s officers and co-ordinates and directs the activities of deck and engine room ratings.