A ship captain is responsible for the safe operation and navigation of a sea vessel such as a ferry, barge, tugboat, or cruise ship. In this career, you must ensure its seaworthiness and follow all safety protocols for your passengers before setting sail. You also manage a large crew, ensuring that each crew member understands your policies. Other duties include setting the ship course, giving commands to your crew, and supervising the loading and unloading of cargo or passengers. You record all relevant information regarding each voyage, including the course and speed of the boat and weather conditions. Other responsibilities include maintaining equipment, like engines, navigational systems, and life preservers, and signaling passing vessels.