Lifting devices for handling lifeboats, rescue boats, liferafts, stores, hoses, etc. - Gravity davits – Davits...
A hinged, bronze or steel plate serving to protect the glass portlight in heavy weather.
1. A portion of a ship side or bottom where the plating has no curvature. 2. The midship portion of constant cross...
The condition under which the main propulsion plant, boilers and auxiliaries are not in operation due to the absence...
The lowest speed at which a ship can still be manoeuvred.
1. A portlight that does not open. 2. A hinged, bronze or steel plate serving to protect the glass portlight in...
The rise or upward slant of the bottom of a ship from the keel to the bilge.
The deadweight is the difference between the displacement and the mass of empty vessel (lightweight) at any given...
A drawing used for estimating the additional draught or for determining the extra load that could be taken on board...
The flat, vertical portion of the aft end of a ship.
The efficient operation of water-tube boilers requires clean boiler feed, free from gases in solution, (e.g. air...
A sound level unit which is one-tenth of a bel. It is used to compare levels of sound.
A platform in a ship corresponding to a floor in a building. See also car decks. - Bulkhead deck – The bulkhead...
Athwartship element of a vessel structure, which supports deck plating and which acts as a strut or tie connecting...
A unit consisting of two chambers (entry lock and main lock) installed on a support ship. This chamber allows for...
A term applied to steering gear, capstans, windlasses, winches, and miscellaneous machinery located on the decks...
The officers and seamen employed in the deck department. Also called deck crew, deck department, or just deck.
A continuous girder running in a fore-and-aft direction on the underside of deck beams.
A full nautical record of a ship voyage, noted down at the end of each watch by the deck officer on watch.
It refers to all officers who assist the Master in navigating the vessel when underway, and supervise the handling...