"Turn" refers to the sequence in which the port authorities may allow a ship to enter or berth for loading or discharging. … [Read more...]

A tackle of double and single blocks rove with an endless line and used to relieve the strain on the steering engine in heavy weather or emergency.  … [Read more...]

Sailors' term for an old ship that needed a lot of paint and repairs. … [Read more...]

The rules and regulations accepted by international agreement and enforced by law in marine countries which govern the movements of ships when approaching each other under such circumstances that a collision may possibly ensue. … [Read more...]

That part of a rudder by which it is pivoted to the sternpost. … [Read more...]

The flat or shaped frame hung to the sternpost of a ship, which is used to steer the ship. … [Read more...]

A complex of measures concerning routes aimed at reducing the risk of casualties; it includes traffic separation schemes, two-way routes, tracks, areas to be avoided, inshore traffic zones, and deep water routes. … [Read more...]

That motion by which a ship vibrates from side to side.Rolling is therefore a sort of revolution about an imaginary axis passing through the centre of gravity of the ship: so that the nearer the centre of gravity is to the keel, the more violent will be the roll, because the centre, about which the vibrations are made, is placed so low in the bottom, that the resistance made by the keel to the volume of water which it displaces in rolling, bears very little proportion to the force of the vibration above the centre of gravity, the radius of which extends as high as the mast-heads.But, … [Read more...]

The act of checking how many passengers and crew members are present, e.g. at assembly stations, by reading aloud a list of their names. … [Read more...]

An ocean wave much larger than the current wave sequence. This wave may also be outside the current wave direction and may be 100 feet or more in height. … [Read more...]