159 Results
  • Abandonment

    All operations required for breaking out stowage and the safe disengagement and clearing away of the life-saving...

  • Able-bodied seaman (A.B.)

    A member of the deck crew who is able to perform all the duties of an experienced seaman; must have three years...

  • Abnormal condition

    A condition that occurs in a process system when an operating variable (flow, pressure, temperature, etc.) ranges...

  • Abrasion

    Scraping or wearing away, rubbing off.

  • Abrasion resistance

    Resistance to frictional rubbing.

  • Abrasive

    Agent used for blast cleaning before coating application.

  • Abrasive blasting

    Cleaning of steel with abrasives propelled by compressed air jet preparatory to painting.

  • Absorbent material

    Substance that is able to take in moisture, oil, etc.

  • Acceleration

    The rate of velocity change or the average increase of velocity in a unit time, usually expressed in meters per...

  • Accelerometer

    A mechanical or electromechanical instrument that measures acceleration.

  • Acceptance tests, acceptance trials

    A series of tests performed on a material, a machine or a system, in the presence of the purchaser or a surveyor...

  • Accessibility

    The ability for personnel to access equipment easily that requires maintenance, inspection, removal or replacement...

  • Accident

    An event that happens unexpectedly and causes damage, injury, etc.

  • Accident categories

    (acc. to Lloyds Maritime Information Services casualty database) – The LMIS casualty database divides the accidents...

  • Accommodation

    The part of the ship which is used for cabins, dining areas and other crew facilities.

  • Accommodation ladder

    A portable ladder hinged to a platform attached to the side of a ship and which can be positioned to provide access...

  • Accumulation test of the boiler

    A boiler test to ensure that the safety valves can release steam fast enough to prevent the pressure rising by...

  • Acetylene

    A colourless, poisonous gas used with oxygen for oxy-acetylene metal welding or cutting.

  • Acquisition

    The selection of the target vessels requiring a tracking procedure and the initiation of their tracking.

  • Act of God

    An unpredictable situation which is beyond the power of man. A natural event, not preventable by any human power...

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