Enter marine-related query and AI bot will look for best match in our DB.

The distance a vessel travels on one tack.

Related Terms


A pump used to increase the discharge pressure. Booster pumps on shore are often used on tankers when pumping to shore tanks a long distance away from the vessel or up a hill thereby assisting the ships main cargo pumps. Can also be used on or for gas carriers in managing gas pressures.


A mooring line led from the vessel to the shore and then back to the vessel. It can be let go and retrieved from on board the vessel as it departs.


(VLFO) - The loading and discharge terms for the cargo to be shipped, as agreed to in the charterer party. The vessel (carrier) pays for the loading of the cargo on board the ship and the receiver pays for the discharge of the cargo from the ship to the pier.


The distance traveled by a vessel proceeding ahead at full power from the time the engines are reversed until she is at full stop.


To increase the distance to the vessel ahead by reducing one ́s own speed


  1. The distance between two meridians at any given parallel of latitude, expressed in linear units, usually nautical miles; the distance to the east or west made good by a craft in proceeding from one point to another. 2. The point at which reckoning of a voyage begins. It is usually established by bearings of prominent landmarks as the vessel clears a harbor and proceeds to sea. When a navigator establishes this point, he is said to take departure. Also called POINT OF DEPARTURE. 3. Act of departing or leaving. 4. The amount by which the value of a meteorological element differs from the normal value.


The vertical distance from the molded baseline to the top of the freeboard deck beam at side, measured at midlength of the ship


A glass vessel with two electrodes at a definite distance apart and filled with a solution whose conductivity is to be measured.


A contract whereby the shipowner leases his vessel to the charterer for a period of time during which the whole use and management of the vessel passes to the charterer, which involves that the charterer is to pay all expenses for the operation and maintenance of the vessel. Officers and crew will become servants of the charterer. A demise charter whereby the charterer has the right to place his own master and crew on board of the vessel is also called 'bareboat charter'.


  1. The alternate rise and fall of the bow of a vessel proceeding through waves;
  2. The theoretical distance advanced by a propeller in one revolution;
  3. Tar and resin used for caulking between the planks of a wooden vessel.

Related questions

MarineProHelp 2018 - 2020

First time here? Check out the FAQ!

If you've arrived to new location and wonder how to dress comfortably according to weather, check Comfiesto