The spare gear and consumable stores provided for the upkeep and safe working of the tanker and her cargo, excluding stores used in engine room. … [Read more...]

As distinguished from engineer officer, refers to all officers who assist the master in navigating the vessel when at sea, and supervise the handling of cargo when in port. … [Read more...]

Also called Captain’s Log, scrap logbook or rough logbook. A full nautical record of a ship’s voyage, written up at the end of each watch by the deck officer on watch. The principle entries are: course steered; distance run; compass variations, sea and weather conditions; ship’s positions, principal headlands passed; names of lookouts, and any unusual happenings such as fire, collision, and the like. … [Read more...]

A platform or horizontal floor that extends from side to side of a ship. The main deck is the highest complete deck on a ship (the one which runs the full length of the ship).Horizontal steel plates providing deck flooring throughout the ship’s length. Decks compensate for all longitudinal and athwartships stresses and reduce the hogging, sagging, shearing and bending forces affecting the vessel. … [Read more...]

The wind right against the ship, or blowing from the very point to which she wants to go. … [Read more...]

The lifting or carrying capacity of a ship when fully loaded. This measure is expressed in long tons when the ship is in salt water and loaded to her marks. When loaded to her summer marks the value is for her summer deadweight (SWDT). It includes cargo, bunkers, water, (potable, boiler, ballast), stores, passengers and crew. … [Read more...]

The eddy-water which the ship draws after her at her seat, or line of floatation in the water, particularly close aft. To this particular great attention should be paid in the construction of a vessel, especially in those with square tucks, for such being carried too low in the water, will be attended with great eddies or much dead-water. Vessels with a round buttock have but little or no deadwater, because, by the rounding or arching of such vessels abaft, the water more easily recovers its state of rest. … [Read more...]

Determination of the position of a craft by adding to the last fix the craft's course and speed for a given time. … [Read more...]

Steel disc, that is dogged down over a porthole to secure against breakage of the glass and to prevent light from showing through.A kind of window-shutter for the windows in the stern of a ship, used in very bad weather. … [Read more...]

Non-utilization of cargo carrying capacity on a vessel.Deadfreight is payable on cargo agreed by charterers to be shipped but not actually shipped. As a rule, it is up to the master to declare in writing the maximum quantity of cargo his vessel can load. If charterers fail to ship the quantity of cargo declared by the master, the compensation for the quantity of cargo "short shipped" is called deadfreight. The space or deadweight capacity that the charterer has failed to use, but on which freight is nevertheless due, is regarded as being "dead" or lost.Deadfreight is the compensation … [Read more...]