The left side of a vessel when an observer is facing forward looking toward the bow. … [Read more...]

A partial deck at the stern above the main deck, derived from the Latin "puppio" for the sacred deck where the "pupi" or doll images of the deities were kept. … [Read more...]

Pollution means the introduction by man, directly or indirectly, of substances or energy into the marine environment (including estuaries) resulting in such deleterious effects as harm to living resources, hazards to human health, hindrance to maritime activities including fishing, impairment of quality for use of sea water and reduction of amenities. … [Read more...]

The facility whereby an operational centre sends an instruction (a polling command) to selected SESs to perform a defined task, such as return a preassigned data report, or to perform SCADA. … [Read more...]

A wooden wedge fitting into a drainage hole in the bottom of a boat for the purpose of draining the boat when she is out of water. … [Read more...]

A figure marked on the side of merchant vessels to indicate allowed loading depths. Named after Samuel Plimsoll, English Member of Parliament and maritime reformer.The mark on the side of a classed vessel which indicates its safe load lines at varying seasonal conditions. … [Read more...]

Freedom of movement. … [Read more...]

The steel plates which form the shell or skin of the vessel. … [Read more...]

Organisms, mostly small, that drift or swim too slowly to oppose ocean currents. Plankton that perform photosynthesis are called phytoplankton, those that do not are called zooplankton. … [Read more...]

The area or imaginary surface defined by or within any described lines. In ship-building, the Plan of Elevation, commonly called the SHEER DRAUGHT, is a side-plan of the ship, defined by a surface limited by the head afore, by the stern abaft, the keel below, and the upper side of the vessel above. The Horizontal Plan, commonly called the HALF BREADTH PLAN, comprehends all the lines describing the greatest breadth and length of the ship at different heights or sections. This is named half-breadth plan, because both sides of the ship being exactly alike, only one-half is represented. To the … [Read more...]