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  2. Watchkeeping - Wikipedia

    en.wikipedia.org/wiki/Watchkeeping

    A sailor keeps watch aboard USS George H.W. Bush.. Watchkeeping or watchstanding is the assignment of sailors to specific roles on a ship to operate it continuously. These assignments, also known at sea as watches, are constantly active as they are considered essential to the safe operation of the vessel and also allow the ship to respond to emergencies and other situations quickly.

  3. Merchant navy - Wikipedia

    en.wikipedia.org/wiki/Merchant_navy

    A merchant navy or merchant marine is the fleet of merchant vessels that are registered in a specific country.On merchant vessels, seafarers of various ranks and sometimes members of maritime trade unions are required by the International Convention on Standards of Training, Certification and Watchkeeping for Seafarers (STCW) [1] to carry Merchant Mariner's Documents.

  4. United States Merchant Marine - Wikipedia

    en.wikipedia.org/wiki/United_States_Merchant_Marine

    The United States Merchant Marine [1] [2] is an organization composed of United States civilian mariners and U.S. civilian and federally owned merchant vessels.Both the civilian mariners and the merchant vessels are managed by a combination of the government and private sectors, and engage in commerce or transportation of goods and services in and out of the navigable waters of the United ...

  5. STCW Convention - Wikipedia

    en.wikipedia.org/wiki/STCW_Convention

    International Convention on Standards of Training, Certification and Watchkeeping for Seafarers; Signed: 7 July 1978 [1] Location: London, UK: Effective: 28 April 1984: Condition: 25 ratifications, the combined merchant fleets of which constitute not less than 50% of the gross tonnage of the world's merchant shipping of ships of 100 gross ...

  6. Command duty officer - Wikipedia

    en.wikipedia.org/wiki/Command_duty_officer

    A command duty officer (CDO, on a naval ship) or officer of the watch (OOW, on a merchant ship) is the head duty officer (officer of the day) on a ship, entrusted by the commanding officer and executive officer (on a naval ship) or the shipmaster (on a merchant ship) with exercising in their absence command and control of the ship on their behalf for the duration of a watch.

  7. Merchant Mariner's Document - Wikipedia

    en.wikipedia.org/wiki/Merchant_Mariner's_Document

    The Merchant Mariner's Document (MMD), previously called a Z-Card, is a kind of Merchant Mariner Credential previously issued by the United States Coast Guard in accordance with the STCW guidelines, and, until completely phased out, remains one of the standard documents required for all crewmembers of U.S. ships with a Gross Tonnage of over 100.

  8. Merchant Mariner Credential - Wikipedia

    en.wikipedia.org/wiki/Merchant_Mariner_Credential

    Merchant Mariner Credential. The Merchant Mariner Credential (MMC) is a credential issued by the United States Coast Guard in accordance with guidelines of the International Convention on Standards of Training, Certification and Watchkeeping for Seafarers (STCW) to United States seafarers in order to show evidence of a mariner's qualifications. [1]

  9. Official number - Wikipedia

    en.wikipedia.org/wiki/Official_number

    Official numbers are ship identifier numbers assigned to merchant ships by their country of registration.Each country developed its own official numbering system, some on a national and some on a port-by-port basis, and the formats have sometimes changed over time.