The line where the water comes to on the hull of a boat. Design waterline is where the waterline was designed to be, load waterline is the waterline when the boat is loaded, and the painted waterline is where the waterline was painted. Actual waterline is ...

An opening in a ship's deck for the loading and discharging of any kind of cargo.

A freight booking made by a skipper or freight forwarder to serve space but not actually having a specific cargo at the time the booking is made. Carriers often overbook a vessel by 10 to 20 percent in recognition that "windy booking" cargo will not act ...

This is a factor expressing deviation of a gas from perfect gas laws.

Artificial objects to supplement natural landmarks indicating safe and unsafe waters.

International Convention on Oil Pollution Preparedness,Response and Co-operation, IMO

An offer to sell goods at a stated price and under stated terms.

Before the introduction of man-made fibers, much of the rope used at sea was made from manila. Made from the fibers of banana plants in the Philippines, manila did not rot when it was exposed to seawater.

Stormy conditions, including rough, high seas and strong winds.

A compressor cooled by atmospheric air circulated around the cylinders or casing.

Cargo which has been booked but does not arrive in time to be loaded before the vessel sails. See also "Windy Booking."

A sighting taken for celestial navigation at noon, when the sun is at its highest point in the sky.

Open Shelter Deck ship.

A sprocket wheel on the windlass for taking links of the chain cable.

The carbon left after evaporating an oil under controlled conditions.

To charge less than the proper amount.

After mast on a schooner or sailing ship carrying a spanker; usually the fourth mast of a five or six masted schooner.

The framework of timber, etc., on which a vessel is built, from which she is launched into the water.

The power that is consumed to overcome the frictional losses when operating in an unloaded condition.

Clauses introduced by charterers based on shortage of delivered cargo because of increased oil prices.