Port of initial Customs entry of a vessel to any country. Also known as First Port of Call.

The highest unlicensed rating in the deck department who has immediate charge of all deck hands and who in turn comes under the direct orders of the master or chief mate or mate.

Starboard.

block

A rope network.

A raised portion of the hull forward of the cockpit intended to prevent water entering.

An official signature or seal affixed to certain documents by the consul of the country of destination.

A free port in a country divorced from Customs authority but under government control. Merchandise, except that which is prohibited, may be stored in the zone without being subject to import duty regulations.

(1) The flag traditionally flown by pirate ships. (2) The name given by sailors to the bubonic plague, whose victims were said to turn black.

A written contract between the owner of a vessel and the person desiring to employ the vessel (charterer); sets forth the terms of the arrangement such as duration of agreement, freight rate and ports involved in the trip.

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.

An anchor which has become entangled with some object on the bottom, or, on weighing, has it's rode or chain wound around its stock or flukes.

An apparatus consisting of an outside shell and a sheave through which a rope may be passed (pulley).

Light-weight foresail similar to a spinnaker but set without a pole.

A structure of heavy timbers placed between ground ways and cradle to support the ship during launching.

A device that indicates pressure differential above or below atmospheric pressure.

The point (speed of sound) at which air flow through an orifice can not increase regardless of pressure drop.

The wind direction indicator on the masthead.

Small, circular sheets of newly-formed ice that do not impede navigation.

A stationary element between stages of a multistage centrifugal compressor. It may include guide vanes for directing the flowing medium to the impeller of the succeeding stage. in conjunction with an adjacent diaphragm, it forms the diffuser surrounding t ...