Flapping (of sails)

Specially designed for the transport of chemicals.

A bollard with horizontal arms, forming the shape of a cross, as a means of belaying lines.

(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.

Scoop like devices used to direct air into and ventilate a boat.

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

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

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.

The triangle formed by the masthead, the base of the mast at deck level, and the lower end of the headstay.

A metal fitting with an arm that uses a spring to close automatically when connected to another object.

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 ...

see Turnbuckle

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.

Heavy-weather practice of pouring oil on the sea so as to form a film on the surface, thus preventing the seas from breaking. To smooth out some difficulty.

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

A document specifying the nation of registry of the vessel.

The wind direction indicator on the masthead.

A bend or hitch used to attach a line to a ring or spar so that by pulling the end of the line, the hitch will come free. This is done by passing a bight of the line under the other part so that when strain is applied the bight is jammed. A pull on the en ...

The place at which a shipment is received by a carrier from the shipper.

The line of longitude 180 degrees opposite Greenwich, England, located in the Pacific that marks the date change