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Crew Dictionary Entry

Master (Captain)

"The highest ranking officer on board a merchant vessel, holding ultimate command and responsibility for the ship, its crew, cargo, and safety."

Master on Bridge
Master on Bridge

Definition

The Master, commonly referred to as the Captain, is the person in command of a merchant ship. They are responsible for the safe and efficient operation of the vessel, including navigation, cargo operations, crew discipline, and compliance with local and international laws.

Responsibilities

  • Ultimate Authority: Has overriding authority on all matters of safety and pollution prevention.
  • Legal Representative: Acts as the representative of the shipowner in ports.
  • Crew Welfare: Ensures the well-being and discipline of all personnel on board.
  • Emergency Command: Takes charge during crisis situations (fire, collision, piracy).

Qualification

To become a Master, one must hold a Master Mariner Unlimited Certificate of Competency (COC), requiring years of sea time as a deck officer and passing rigorous examinations.

Related Terms

Chief OfficerSTCWISM Code
    Master (Captain) - Maritime Wiki Definition | Hifshan Riesvicky - Maritime Software Engineer