Parameters such as lifting capacity, max. working radius, min. working radius, hoisting speed, luffing time, slewing speed, slewing angle and weight.

A synthetic polymer which is chemically inert and resistant to erosion and impingement attack. It is used for orifice plates, valve seats and as a coating for salt water pipes.

The Technical Code on Control of Emission of Nitrogen Oxides from Marine Diesel Engines adopted by IMO.

The Wärtsilä NOx Reducer System is based on the Selective Catalytic Reduction technique for Nitrogen Oxide (NOx) reduction.

1. A form on which bows, etc., are assembled. 2. A lifting base manufactured usually in wood or steel used to accept and support a heavy load. It would normally be employed with heavy lifting slings and shackles to each corner.

see EXHAUST GAS EMISSIONS FROM SHIPS.

The property of a material whereby it will withstand stress due to a notch or area of stress concentration without cracking or failure.

A vessel which through exceptional circumstances is unable to manoeuvre as, required by the COLREGs.

The type of steel heat treatment. The steel is heated to 850-950°C depending upon its carbon contents and then allowed to cool in air. The resulting product is hard strong steel with a refined grain structure.

A condition under which the ship as a whole, the machinery, service, means and aids ensuring propulsion, ability to steer, safe navigation, fire and flooding safety....

Normal conditions exist when trouble-free operation of the equipment required for thebridge operation is given and environmental conditions with regard to weather and traffic do not cause excessive operator workloads and/or impair visibility.

A band of tough steel applied as part of the hull structure to prevent a fracture from spreading.

A fracture without complete separation characterized by a sharp tip and high ratio of length and width to opening displacement.

The person who is in charge of a boat, the rating who steers the boat.

The shaped top of a natural ventilation trunk, which may be rotated to draw air into or out of the ventilated space.

The intended direction of vessel movement.

The Coselle CNG System has been developed in cooperation with ABS and DNV to transport compressed natural gas.

A new safety equipment for man overboard retrieval situations. The device allows for both conscious and unconscious casualties to be lifted from the water in a safe horizontal position.

Having a series of arranged wrinkles or grooves to produce stiffness with a reduction in weight.

Rate at which the corrosion proceeds. It is the thickness of metal lost during one year, on one side of the surface. It is expressed in mm by year.