A mythical creature, half human and half fish.

Kilopascal; a metric measure of pressure based on force per unit area. (1 kPa = 4.01 inches of water).

Is the pressure exerted by a vapor confined within a given space. The vapor may be the sole occupant of the space, or may be associated with other gases.

Measuring point for compressor acceptance test. Pressure before an orifice or nozzle, downstream of compressor discharge.

The tendency of the strands of a line to fray out at the ends.

To drive before a gale, with no sail, or only enough to keep the vessel ahead of the sea. Also, low, thin clouds that fly swiftly before the wind.

Said of a line that leads from its point of attachment towards the stern of the ship.

A compressor belonging to the group of dynamic compressors. Characterized by having its flow in the axial direction.

A gun used in the life-saving services to throw a life line to a ship in distress or from ship to shore and used when a boat cannot be launched.

A loop or hole which is spliced or tied on the end of a line

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

The line that controls the angle of the mainsail in its relation to the wind.

A short strut on a mast angled forward at about 45

An anchor engine used for heaving in the chain cable and anchor.

Sixteenth-century term for a sea distance at which high land could be observed from a ship. Varied between 14 and 22 miles according to average atmospheric conditions in a given area.

See Ship's Port Agent

Little or no wind and flat seas

The direct sailing line in which a racing mark or buoy can be fetched while sailing the desired course

An electronic communications or direction finding system which uses Very High Frequency radio waves. VHF radios are the most common communications radio carried on boats, but their range is usually limited to line of sight between the transmitting and rec ...