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

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

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

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

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

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

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.

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

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

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

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

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.

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

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

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 radial distance from the centre line of a crankshaft to the centre of a crankpin. It is equal to half of the stroke.

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

Hoisting devices used for cargo handling and other operations. Cranes are required to hoist, luff and slew. Separate motors are required for each motion.

The heavy lift vessel OLEG STRASHNOV was delivered by IHC Krimpen Shipyard in 2010. It has been designed by Gusto MSC/IHC Merwede for the installation and removal of offshore platforms, subsea construction and special projects.

Crane ships can be subdivided into two main categories: - Large specialized ships and barges equipped with huge cranes and used for offshore construction and installation (see Crane vessel OLEG STRASHNOV),