Achieved when the air compressor is running at full RPM with a fully opened inlet and discharge, delivering the maximum volume at the rated pressure.

To move ahead swiftly. To move ahead of another vessel quickly when underway.

A wire or rope contrivance placed around cargo and used to load or discharge it to/from a vessel.

Is a positive displacement reciprocating compressor using a flexible membrane or diaphragm in place of a piston.

The wind direction indicator on the masthead.

When the distance between the wave crests is less than normal.

C The international temperature scale where water freezes at 0 (degrees) and boils at 100 (degrees). Also known as the centigrade scale.

Timber placed across the floor of the cargo hold to protect it from damage.

A spring line tied from the boat to chain rode, usually near the water's surface. It helps disperse tension forces. It also prevents damage to the boat by ground tackle and can help in the retrieval of the ground tackle in heavy weather.

The rod connecting the disc to the lever on a valve.

A tax credit aimed at anyone with a child under 16, regardless of their marital status. The.

Abbreviation for "Bales."

The risk inherent in holding shares, bonds or other securities whose fortunes are closely allied.

Sails that lie in the direction of the ship's length and whose luffs abut the masts or are attached to stays.

Placing a container where required to be loaded or unloaded.

A computerised payment system for clearing cheques in New.

An anchor is said to bite when the flukes dig themselves into the ground and hold firm without dragging.

The water level used to record data on a chart. Usually the average low tide water level. It is the level below which depths on a chart are measured, and above which keights of a tide are expressed.

(see Feeder)

A board that can be raised and lowered by pivoting in a watertight box called the trunk or well to increase the draft and lateral area of the hull, preventing the boat from sliding sideways. Unlike a daggerboard, which lifts vertically, a centerboard pivo ...