rating, engine room ratings, crew members, petty officer, boatswain, bosun, ab, os, able bodies seaman, ordinary seaman, oiler, greaser, crew, mechanic, carpenter, pumpman, seafarer, safe manning document, flag administration, duties, watchkeeping, watch keeping, ship, mechanic, fitter, carpenter, pumpman, chief steward, steward, cook

Rating's Duties

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rating, engine room ratings, crew members, petty officer, boatswain, bosun, ab, os, able bodies seaman, ordinary seaman, oiler, greaser, crew, mechanic, carpenter, pumpman, seafarer, safe manning document, flag administration, duties, watchkeeping, watch keeping, ship, mechanic, fitter, carpenter, pumpman, chief steward, steward, cook

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Rating's Duties

A ship is run by dedicated seafarers who follows a system of chain of command. Each individual working onboard a ship has specific duties and are qualified for certain functions.

As specified by the Safe Manning Document issued by the flag administrations, there should be a specific number of watch-keeping ratings on board to support the operation of the ship.

Below are some typical duties of the rating crew members on board a cargo ship. Shipping companies may differ in assigning some of the duties specifically to their ratings, but generally the duties are quite similar.

Deck Department

Bosun: Petty officer or head of the deck ratings. Overall in charge of maintenance of the deck structures including chipping, painting, greasing. Carry out functions like anchoring, preparing gangway, hatch covers, lifeboat, splicing ropes. Stand on navigation watch if needed. Usually qualified as watch-keeping rating.

AB or Able Bodies Seaman:  Stand on navigation watch. Gangway or patrol watch in port. Usually qualified as watch-keeping rating.

OS or Ordinary Seaman: Assist as needed.

Pumpman: Only found on tankers. They assist in cargo operations on tankers.

Carpenter: Not very common nowadays. Assist in maintenance of the ship.

Engine Department

Oiler: Usually head of the engine ratings. Assist engineers in maintenance and operation. Usually qualified as watch-keeping engine rating.

Greaser: Assist engineers in maintenance and operation.

Fitter: Assist engineers to repair, maintain equipment. Not very common on ships nowadays.

Catering Department

Chief Steward: In charge of catering: food provisions, cooking, bedding, toilets, housekeeping of accommodation areas.

Steward: Housekeeping, meal service.

Chief Cook: In charge of cooking, provisions

2nd Cook: Assist as needed in the galley.

Officer's Duties

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