An area generally outside port limits that is specifically designated as suitable for the transshipment of oil or other materials from large ships to smaller ones. As the purpose of transshipment is usually to reduce the draft of the larger vessel to allow her to proceed to port, the operation is often known as lightening and the area may be called lightening area or cargo transfer area

Related Terms

AFT

Back of the vessel.

ASTERN

A backward movement of a vessel

ATHWARTSHIP

Across the ship, at right angles to the fore-and-aft centerline

BULK CARGO

Cargo such as oil, coal, ore, woodchips, etc. not shipped in bags or containers

UPBOUND

A vessel traveling upstream.

BEAM

The width of a ship. Also called breadth.

BREADTH

The width of a ship.

TRAMP FREIGHTER

A cargo ship engaged in the tramp trade.

AFFREIGHTMENT

A hiring of a vessel

CAPACITY PLAN

A plan outlining the spaces available for fuel, cargo, ballast, fresh water, etc, with guides on weight and volume for spaces at various drafts and displacements

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