Depending on the purpose different definitions of length L are used: 1. (L) – 96% of the total length on a waterline at 85% of the least moulded depth measured from the top of the keel...

Escape of liquids such as water, oil, etc., out of pipes, boilers, tanks, etc., or a minor inflow of seawater into the vessel due to a damage to the hull.

Engine operating with excess air in the fuel-air mixture, resulting in the presence of relatively high oxygen concentration in the exhaust stream.

1. A crack or hole through which liquid or gas escapes. 2. The passing of gas, water, etc. through a crack or hole.

The first pair of a folding hatch cover to fold and stow.

Cylinder oil is pumped from Cylinder Oil Storage Tank to the Cylinder Oil Service Tank, placed min. 3000mm above the cylinder lubricators.

The time allowed by the shipowner to the voyage charterer or bill of lading holder for loading and/or discharging the cargo. It is expressed as a number of days or hours or as a number of tons per day.

A replaceable cylinder which fits into a cylinder block.

The arrangement of plant and equipment in, for example, a machinery space, or a drawing thereof.

Temporary cessation of trading of a ship by a shipowner during a period when there is a surplus of ships in relation to the level of available cargoes.

The distance between the stern of the lifeboat and the lower end of the launching ramp.

A metal casting which fits over a cylinder.

The angle between the horizontal and the launch rail of the lifeboat in its launching position with the ship on even keel.

A means for transferring a survival craft or rescue boat from its stowed position safely to the water.

A metal casting forming part of a reciprocating engine, which contains one or more cylinders.

The transfer of a ship from land to water. The traditional launching is the sliding of a ship by its own weight into the water down inclined launch ways.

The lifting equipment necessary for raising, lowering and transporting the underwater unit between the surface and the working site.

A motorboat intended for operation in ports, bays and on calm water, limited to a wind force not exceeding 4 Beaufort scale. Seagoing launches are units intended for seagoing service, limited to a wind force not exceeding 6 Beaufort scale.

A cylindricall cross-section chamber in which a piston moves freely.

see Voith-Schneider Propulsor (VSP), cycloidal propeller.