A

159 Results
  • Anchor/mooring equipment of the shuttle tanker KNOCK WHILLAN

    The ship is equipped with an electro-hydraulic combined anchor windlass/mooring winch. The windlass is a 49.5t...

  • Anemometer

    A device used to measure wind speed and direction relative to that of the ship.

  • Angle of entrance

    The angle formed by the centerline of the vessel and the tangent to the design waterline at the forward perpendicular.

  • Angle of flooding

    Downflooding angle related to intact stability is the angle of heel at which the lower edge of openings in the...

  • Angle of heel, heel

    A steady angle of heel created by an external force, such as wind or waves.

  • Angle of list, list

    A steady angle of heel created by forces within the ship. For example, when the ship is inclined due to her asymmetric...

  • Angle of loll

    The angle at which a ship with a negative initial metacentric height will lie at rest in still water. In a seaway...

  • Angle of repose

    The angle between the horizontal line and the side of the cone formed when the granular materials as grain, coal...

  • Annealing

    The type of steel heat treatment. The steel is heated to around 850-950°C and then is cooled slowly either in a...

  • Annunciation

    An audible signal indicating a condition or system state (usually of an emergency or abnormal nature).

  • Anode

    Positive terminal of an electrolytic cell at which corrosion occurs, a piece of metal fixed to steel to provide...

  • Anti-exposure suit

    Anti-exposure suits are similar to immersion suits, but there are a few differences. They must provide at least...

  • Anti-fouling paint

    A paint containing agents for preventing the adhesion and growth of organisms on the hull.

  • Anti-fouling system

    A coating, paint, surface treatment or device that is used on a ship to control or to prevent the attachment of...

  • Anti-heeling systems

    During loading and discharging the ship’s heel has to be kept to minimum to avoid jamming of containers in cell...

  • Anti-lift bolt

    A device, like a cleat, which prevents a hatch cover from lifting up.

  • Anti-polishing ring

    A ring installed in the upper end of the cylinder in order to remove deposits from the piston top land and ensure...

  • Anti-Rack Spacer stowage system

    The containers are connected longitudinally with so called “anti-racking spacers”, thus creating one 40-foot container...

  • Anti-roll tanks, tank stabilisers

    Transverse tanks installed at suitable height and distance from the ship center line in order to generate anti-rolling...

  • Anti-rolling devices

    Bilge keels, fin stabilisers. See Roll stabilisation.

Download the Encyclopedia