A float with a flag at the top of a pole. Used to mark a position such as for a mooring, a race or a man overboard.

Narrow triangular sail set on a long yard or spar, the forward end of which is hauled down so that it sets obliquely on the mast with a high peak.

A drogue or drag device to slow down a boat, hold its bow into the sea in heavy weather, and reduce the boat's drift downwind.

An agreement to hold a carrier harmless with regard to a liability.

The length of the boat at the waterline.

The legal right for a creditor to seize the assets of a debtor to satisfy an outstanding.

Steel disc, that is dogged down over a porthole to secure against breakage of the glass and to prevent light from showing through.

A container designed with openings in the side and/or end walls to permit the ingress of outside air when the doors are closed.

An instrument which measures the scattering function of particles suspended in a medium in order to determine the visual range through the medium. See visibility meter.

Gross tonnage is the basis on which manning rules and safety regulations are applied, and registration fees are reckoned. Port fees are also often reckoned on the basis of GT and NT. GT and NT are defined according to formulas which take account, among ot ...

An electrochemical battery that uses lead and lead oxide for electrodes and sulfuric acid for the electrolyte.

Navy term meaning Officer of the deck.

Machines cooled by water circulated through jackets surrounding the cylinders or casings.

The part of a rotating element that counteracts any inherent thrust developed by the impellers.

An assurance policy usually taken out on two lives, typically husband and wife. Under this type of.

The highest level of cube utilization that can be achieved when loading cargo into a container.

Angled frames in the extreme forward or aft ends of a ship which form the sharp ends of the vessel's hull.

Letters, numbers, and other symbols placed on cargo packages to facilitate identification. Also known as marks.

Income usually relevant to two people (for example man and wife) which continues until the death of.

A pressure-plate anemometer consisting of a plate which is free to swing about a horizontal axis in its own plane above its center of gravity. The angular deflection of the plate is a function of the wind speed. This instrument is not used for station mea ...