N

39 Results
  • National authorities

    Either the government of the country in which the ship is registered, or the Administration delegated to deal with...

  • Natural gas (dry)

    Gas without condensation at common operating pressures and temperatures where the predominant component is methane...

  • Natural gas fuel

    With new emission control regulations taking effect, gas as a ship fuel, once banned, is now re-emerging as an...

  • Natural gas-fuelled ferry GLUTRA

    Financed by the Norwegian Directorate of Public Roads, a car ferry GLUTRA with a capacity of 100 private cars was...

  • Natural gas-fuelled ferry VIKING GRACE

    The PaxCar ferry VIKING GRACE is the largest LNG fuelled passenger ship. Built in STX Turku yard, the ship is designed...

  • Nautical chart

    A map of water area including the adjoining land, intended primarily for use of mariners.

  • Nautical mile

    Distance of one minute of longitude at the equator, equal to 1852m.

  • Naval architecture

    The science and practice of designing ships as distinguished from their construction which is covered to shipbuilding...

  • Navigating and manoeuvring workstation

    The main workstation on the bridge where speed and course are considered and controlled, preferably conceived for...

  • Navigation

    All tasks relevant for deciding, executing and maintaining the course and speed in relation to waters and traffic.

  • Navigation aids

    Magnetic compass, gyrocompass, radar, echo sounder, rudder angle indicator, propeller revolution counter, rate...

  • Navigation aids vessel

    A vessel intended for buoy handling.

  • Navigation lights

    All seagoing ships must be equipped with running and signal lights in compliance with the International Regulations...

  • Navigator

    The person navigating, operating the bridge equipment and manoeuvring the ship.

  • NAVTEX

    An international maritime radio telex system sponsored by IMO and IHO, which automatically receives the broadcast...

  • Necking effect

    A term describing local corrosion at junction of plating and stiffeners due to flexure effects caused by reverse...

  • Net cutters

    Stainless steel net cutters are mounted on the rope guard, overlapping the propeller hub.

  • Net pick-up

    A net protection ring with U-shaped cross-section. The net pick-up is the ancillary component of the sterntube...

  • Nitrile rubber

    A synthetic rubber that is a copolymer of butadiene and acrylonitrile. It has good resistance to petroleum-based...

  • Nitrogen generator

    Chemical tankers, gas carriers and reefer ships need clean, dry nitrogen for inerting, purging and cargo padding...

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