Ability of the structure to withstand the loads imposed on it.

All gear, such as pilot ladders, accommodation ladders, mechanical hoists, gangways,ramps, shell doors, etc., necessary for a safe transfer of the pilot and personnel to the ship.

The deck that is designed as the uppermost part of the main hull longitudinal strength girder. The bottom shell plating sets up the lowermost part of this girder.

Measuring cables towed by the seismic vessel.

A machine that delivers air at the discharge pressure up to 40 pig. Blowers are used to supply relatively large quantities of low-pressure air to various destinations throughout the vessel.

Opening blow-down cocks at the bottom of the boiler to reduce the amount of dissolved solids in the boiler water.

Bulk carrier loading arrangement with two consecutive holds loaded and a subsequent one empty.

The placing or landing of a vessel on a beach, a submerged object or reef, whereby vessel is no longer fully afloat and free.

A strip of plating used in the outer hull structure, decks or bulkheads; for example bilge strake, keel strake, sheer strake, etc.

A coarse filter to remove large contaminating particles. Sea inlets are to be fitted with strainers.

Large vehicles that carry their load underneath the bridging between their wheels.

Someone who hides on a ship to avoid paying a ticket or to travel secretly.

Athwartships rails upon which side-rolling covers run and are supported in the open position.

Hooks which hold a folded hatch cover.

It is expression which indicates the cubic capacity that 1 ton of cargo will require. The stowage factor takes account of the design and shape of the cargo package and the need to employ dunnage or other special stowage provision.

The placing of goods in a ship to ensure the safety and stability of the ship.

A bottle-shaped tank with a buoyancy collar fitted around the neck. The lower part of the buoy provides a free-flooding space for the storage of oil to be discharged from a floating production unit.

A device for securing a mooring line temporarily at the ship whilst the free end is fastened to a ship bitt.

The formation of blisters in a paint film by localised loss of adhesion and lifting of the film. Blisters may contain liquid, vapour or gas.

Valves to isolate machinery, equipment, and piping components for system operation, maintenance and overhaul, and damage control.