A superstructure which extends from the aft perpendicular forward to a point, which is aft of the forward perpendicular. The poop may originate from a point aft off the after perpendicular, (ICLL).

1. A paper sheet or surface with a permanent record done by a recording instrument.

Filling of the engine cylinder with a charge of fresh air ready for compression.

A quantity of fresh air supplied to a diesel engine cylinder prior to compression.

A rolled bar with a U-shaped cross section.

When a vessel changes ownership or Management, the policy on the ship is cancelled automatically in practice unless the insurer agrees to continue cover.

The formation of a sandy, powdery layer on the surface of a paint film caused by disintegration of one or more components of the film due to weather and sunlight (ultraviolet radiation).

A fitting used to secure the anchor chain when riding at anchor, thereby relieving the strain on the windlass, and also for securing the anchor in the housed position in thehawsepipe.

A heavy pipe fitted directly under the windlass to lead the anchor chain to the chain locker.

A compartment located under the windlass where the anchor chains are stowed. It is usually subdivided inside by a longitudinal bulkhead. Chain locker is to be made watertight to the weather deck.

The use of a chain to drive the camshaft. A sprocket wheel is fitted to the crankshaft and the camshaft and an adjustable spring loaded wheel is provided for chain tightening.

Connected metal rings or links used for holding anchor, fastening timber cargoes, etc.

A piece of plating fitted on such parts of the hull that are subjected to rapid wear by chafing.

The action of being fretted and worn by rubbing; applies to ropes, parts of the ship's structure, cargo and so on.

A chain at the end of a towing line or Single Point Mooring hawser, normally guided through a chock at the edge of the tanker deck.

A figure used to indicate the ignition quality of a fuel. The higher the cetane number, the shorter the time between fuel injection and its ignition.

A person who holds a certificate of proficiency in survival craft.

Certificates issued by a National Authority following passed examination; a specified period of sea service and completion of other courses or requirements.

A cover with both sides closed. This term is often misused as the alternative name for an open-girder lift-away cover.

A simple, non self-propelled and unmanned floating structure without hatchways in the deck except small manholes closed with gasketed covers.