The casing which houses the crankshaft and the lower end of the connecting rod.

A crankcase explosion is caused by ignition of oil mist, itself created by the presence of a hot spot, which led to the evaporation of lubricating oil and its condensation into an oil mist.

The crankcase relief valves have two crucial functions: they relieve crankcase pressure and prevent flames from escaping the crankcase.

The pin fitted between the webs of a crankshaft. The big end of the connecting rod is attached to it.

A crankshaft is a shaft driven by a crank mechanism, consisting of a series of cranks and crankpins to which the connecting rods of an engine is attached.

A measurement done by a dial indicator placed at a predefined location between crank webs. The crankshaft is then rotated in one direction and readings are taken at the defined angular locations.

Change in distance between crank webs, measured during one rotation of the crankshaft. Crankshaft deflections are an indirect indication of the crankshaft loading condition.

An emergency manoeuvre of full astern stopping of a ship to avoid a collision.

A depression in the weld face at the termination of a weld bed.

Creep (sometimes called cold flow) is the tendency of a solid material to move slowly or deform permanently under the influence of persistent mechanical stresses.

The personnel employed on board ship, except for the captain and officers and the passengers.

List prepared by the captain showing full names, nationality, passport or discharge book number, rank and age of every officer and crew member on board.

A legal term denoting that damage or an accident is attributable to the ship crew.

A high-speed boat designed for crew transfer and supply work.

Usually fast aluminium craft powered by high-speed diesels, ferrying of crews and light supplies between the shore and rigs and platforms.

Crimping is joining two or more pieces of metal or other ductile material by deforming one or both of them to hold the other.

The load that brings about a change in behaviour of a structure, such as buckling, yielding, fatigue etc.

A critical mass is the smallest amount of fissile material needed for a sustained nuclear chain reaction.

Locations which have been identified from calculations to require monitoring or from the service history of the subject ship or from similar ships...

A temperature above which a specific gas can no longer be liquefied.