An adjustable section of the rudder that allows the rudder to be corrected for lee helm or weather helm.

The bottom of a wave, the valley between the crests.

The power which is theoretically required to compress a gas under constant entropy from a given inlet pressure to a given discharge pressure. (calculated assuming ideal conditions).

The side-to-side (athwartship) motion of a vessel.

A preparatory order (wait

A white light, usually on the masthead, visible from all directions, used to indicate that a vessel is anchored.

When an anchored vessel is forced, by wind or current, to swing across her anchor so as to risk fouling it with her own cable, she is said to break sheer.

The assembly connecting the crankcase and connecting rod to the cylinder head and piston rod for translating circular to linear motion.

A position of a flag when lowered part way in salute (method of salute between vessels, like planes dipping wings).

To lie at anchor; to ride out; to safely weather a storm whether at anchor or underway.

Unit of highway motive power used to pull one or more trailers/containers.

A person or firm, licensed by the treasury department of their country when required, engaged in entering and clearing goods through Customs for a client (importer).

Pieces of ice, about the size of a small house, that have broken off a glacier.

Erecting the mast on the boat. The Mast Step is a fitting which supports the bottom end of the mast at the deck or keel.

To decorate a ship with flags in celebration of certain occasions.

Material passed into the effluent stream composed of foreign materials incorporated into the filter medium.

(1) Floating, but at mercy of wind and sea. (2) Piercing the hull with a projectile. (3) Taking in sail during a calm.

Environmental contaminant that ingresses due to the action of the system or machine.

This type of clause covers merchandise if the damage amounts to three percent or more of the insured value of the package or cargo. If the vessel burns, sinks, collides, or sinks, all losses are fully covered. In marine insurance, the word average describ ...

A container fitted with a rear door and a minimum of one side door.