A sea captain, ship's captain, captain, master, or shipmaster, is a high-grade licensed mariner who holds ultimate command and responsibility of a merchant vessel. The captain is responsible for the safe and efficient operation of the ship—including its seaworthiness, safety and security, cargo operations, navigation, crew management, and legal compliance—and for the persons and cargo on board.
|Other names||Ship's captain, ship's master, shipmaster, captain, master|
|Duties||In charge of a merchant ship.|
|Requirements||master's license or extra master's license or commissioned officer|