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Daggerboard	A type of centerboard, which is raised and lowered straight up and down
Damage Report	Form on which physical damage is recorded (e.g. containers).
Damaged Cargo Report	Written statement concerning established damages to cargo and/or equipment.
DANGEROUS CARGO	All substances of an inflammable nature which are liable to spontaneous combustion either in themselves or when stowed adjacent to other substances and, when mixed with air, are liable to generate explosive gases or produce suffocation or poisoning or tai
Dangerous Goods	Goods are to be considered dangerous if the transport of such goods might cause harm, risk, peril, or other evil to people, environment, equipment or any property whatsoever.
Dangerous Goods Packing Certificate	A document as part of the dangerous goods declaration in which the responsible party declares that the cargo has been stowed in accordance with the rules in a clean container in compliance with the IMDG regulations and properly secured.
DANGEROUS LIQUIDS	Liquids giving off inflammable vapors.
Data	A re-interpretable representation of information in a formalised manner suitable for communication, interpretation or processing.
Data Carrier	Medium designed to carry records of data entries.
Data Plate	A metal identification plate affixed to a container, which displays among others the gross and tare weights and external dimensions.
Datum	A geographic point/ line/ or area used as a reference in search planning
Davit	A device that projects beyond the side of the boat to raise objects from the water. Typically a single davit is used on the bow of a vessel to raise an anchor, and a pair are used on the side or stern of the vessel to raise a dinghy.
DAVITS	Two radial cranes on a ship which hold the lifeboats. They are constructed in such a way as to lower and lift the lifeboats the easiest way possible and are also unobstructed in case of an emergency.
Day sailor	An open Boat used for day sailing
Dead ahead	A position directly in front of the vessel.
DEAD AHEAD	Directly ahead.
DEAD ASTERN	Directly aft.
Dead on End	Said of wind when exactly ahead; and of another vessel when her fore and aft line coincides with observer's line of sight.
Dead reckoning	A method of determining position by making an educated guess based on last known position, speed and currents.
Deadfreight	Slots paid for but not used.
DEADFREIGHT FACTOR	Percentage of a ship's carrying capacity that is not utilized.
Deadlights	Wooden covers for openings.
Deadload	The difference between the actual and calculated ship's draft.
DEADWEIGHT	A common measure of ship carrying capacity. The number of tons (2240 lbs.) of cargo, stores and bunkers that a vessel can transport. It is the difference between the number of tons of water a vessel displaces "light" and the number of tons it displaces "w
Deadweight	The total weight of cargo, cargo equipment, bunkers, provisions, water, stores and spare parts which a vessel can lift when loaded to her maximum draught as applicable under the circumstances. The dead-weight is expressed in tons.
deadwood	Heavy longitudinal timbers fastened over the keelson. The timbers of the bow and stern are fastened to the deadwood.
Deck	Any extended horizontal structure in a vessel or an aircraft, serving as a floor and structural support, covering, partially or fully, a portion of the vessel or aircraft.
Deck	Covering of the interior of a boat
DECK GANG	The officers and seamen comprising the deck department aboard ship. Also called deck crew, deck department, or just deck.
DECK HOUSE	Small superstructure on the top deck of a vessel which contains the helm and other navigational instruments.
DECK LOG	Also called Captain's Log. A full nautical record of a ship's voyage, written up at the end of each watch by the deck officer on watch. The principal entries are: courses steered; distance run; compass variations, sea and weather conditions; ship's positi
DECK OFFICER	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.
DECKHAND	Seaman who works on the deck of a ship and remains in the wheelhouse attending to the orders of the duty officers during navigation and manoeuvering. He also comes under the direct orders of the bosun.
Deckhead	The underside of the deck, viewed from below (the ceiling.)
deckhouse	A low building or superstructure, such as a cabin, constructed on the top deck of a ship.
Declaration of Origin	Appropriate statement as to the origin of the goods, made in connection with their exportation by the manufacturer, producer, supplier, exporter or other competent person on the commercial invoice or any document relating to goods.
Decoupling Inventory	A stock retained to make the independent control of two successive operations possible.
Decoupling Point	The point in the supply chain which provides a buffer between differing input and output rates.
Dedicated Service	1. A service specially designed for the use by one or more particular customers.
DEEP SEA TRADES	The traffic routes of both cargo and passenger vessels which are regularly engaged on the high seas or on long voyages.
DEEP STOWAGE	Any bulk, bagged or other type of cargo stowed in single hold ships.
Deep Vee:	The name given to a hull shape that was developed to maintain high speeds at sea. (See also Shallow Vee & Round Bilge)
Default Charge	A (standard) charge applicable for a trade, stretch or location.
Degroupage	Splitting up shipments into small consignments.
Delay in Transit (DIT)	Delay of shipment at the customer’s request.
Delivering Carrier	The carrier who delivers the consignment to the consignee or his agent (air cargo).
Delivery	The process of delivering the consignment to the consignee at the agreed place.
Delivery Instruction	Document issued by a buyer giving instructions regarding the details of the delivery of goods ordered.
Delivery Note	A document recording the delivery of products to a consignee (customer).
Delivery Order	1. A carrier’s delivery order (negotiable document) is used for splitting a B/L (after surrender) in different parcels and have the same function as a B/L.
Delivery Party	The party to which goods are to be delivered.
Delivery Reliability	The proportion of total delivery occasions in which the time, place, quality and quantity of products delivered accords with the order.
Delivery Schedule	The required and/or agreed time of delivery of goods or services purchased for a future period.
Delivery Service	The carriage of inbound consignments from the airport of destination to the address of the consignee or his designated agent or to the custody of the appropriate custom department agency when required (air cargo).
Delivery Time	The time between order and delivery.
Demand	The quantity of goods required by the market to be delivered in a particular period or at a specific date.
DEMISE CHARTER	See Bareboat Charter.
DEMURRAGE	A fee levied by the shipping company upon the port or supplier for not loading or unloading the vessel by a specified date agreed upon by contract. Usually, assessed upon a daily basis after the deadline.
Density of Commodity	The mass of a commodity to its volume.
Dependent Demand	A demand directly related to or derived from the demand for other items or end products. Dependent demands are therefore calculated, and need not and should not be forecast.
Depot	The place designated by the carrier where empty containers are kept in stock and received from or delivered to the container operators or merchants.
Depot Location	The geographical place where one or more P&O Nedlloyd depots are situated.
depth of hold	The measurement from beneath the deck to the bottom of the hold; the vertical space in the cargo hold.
depth sounder	An instrument that uses sound waves to measure the distance to the bottom.
Depth sounder	An instrument that uses sound waves to measure the distance to the seafloor.
DERA	Defence Evaluation and Research Agency (UK)
Deratisation:	Extermination of all rats aboard a vessel.
Derrick	Lifting equipment on board a conventional vessel for loading and discharging cargo, consisting of a post attached to the deck and an inclined spar.
derrick	A hoisting machine consisting usually of a vertical mast, a slanted boom and associated tackle; may be operated mechanically or by hand.
Despatch	The process of sending goods.
Despatch Advice	Information send by shippers to the recipient of goods informing that specified goods are sent or ready to be sent advising the detailed contents of the consignment.
Despatch Days	The days gained if the free time included in the rate and allowed for the use of certain equipment is not fully used.
Despatch Note (for post parcels)	Document which, according to the agreement concerning postal parcels, is to accompany post parcels.
Destination	1. Place for which goods or a vehicle is bound.2. The ultimate stopping place according to the contract of carriage (air cargo).
Det Norske Veritas	Norwegian classification society.
Detention	Keeping equipment beyond the time allowed.
Detention Charge	Charges levied on usage of equipment exceeding free time period as stipulated in the pertinent inland rules and conditions.
Deterioration	The downgrading of a product due to long storage, damage to packing or other external influences.
DETR	Department of the Environment, Transport and the Regions (UK)
Deviation from a Route	A divergence from the agreed or customary route.
Dew-point	Temperature at which moist air becomes saturated
DF	direction finding
DGPS	Differential Global Positioning System
Dimensions	Measurements in length, width and height, regarding cargo.
Dingbat:	Slang term for a small swab made of rope and used for drying decks.
DINGHY	A small open boat. A dinghy is often used as a tender for a larger craft.
Dinghy	Any one who owns a sail boat ... or ... A small rowing boat, ususally carried on hauled behind a bigger boat for quick escapes.
DINGHY	A small open boat. A dinghy is often used as a tender for a larger craft.
dinghy, dink	1) A small boat used to travel from a boat to shore, carrying people or supplies. Also known as a tender.2) The act of using a dinghy.
Direct Interchange	Transfer of leased equipment from one lessee to another (container).
Direct Product Profitability	System employed mainly within the retail sector for calculating the profit from any given product in any given position within the supply chain, requiring transparency and management of all logistic costs.
Direct Route	The shortest operated route between two points.
Direction of waves swells, or seas	Direction from which the waves, swells or seas are moving.
Direction of wind	Direction from which the wind is blowing
DIS	Draft international standard (ISO)
DISABLED SHIP	When a ship is unable to sail efficiently or in a seaworthy state as a result of engine trouble, lack of officers or crew, damage to the hull or ship's gear.
Disbursement	Sums paid out by a ship's agent at a port and recovered from the carrier.
Discharge	1. The unloading of a vehicle, a vessel or an aircraft.
DISCHARGES	An essential document for officers and seamen as it serves an official certificate confirming sea experience in the employment for which he was engaged.
Discrepancy	Difference between the particulars given and the particulars found.
Discrete Code	A bar code in which the spaces between characters (inter character gaps) are not part of the code as each character begins and ends with a bar. The spaces can therefore vary in width, specified tolerances.
Displacement	The weight of a boat measured as a the weight of the amount of water it displaces. A boat displaces an amount of water equal to the weight of the boat, so the boat’s displacement and weight are identical.
displacement	the weight or volume of water displaced by a ship
DISPLACEMENT	The weight of water displaced by a floating vessel, thus, a boat's weight.
DISPLACEMENT HULL	A type of hull that plows through the water, displacing a weight of water equal to its own weight, even when more power is added.
Displacement speed	Also hull speed. The theoretical speed that a boat can travel without planing, based on the shape of its hull. This speed is 1.34 times the length of a boat at its waterline. Since most monohull sailboats cannot exceed their hull speed, longer boats are faster.
Disposable Pallet	Pallet intended to be discarded after a single cycle of use.
Disposal Chain	A sequence of events in a goods-flow which gets rid of a specific good. This may include removal, recycling, waste dumping etc.
Disposal of Goods	The act of getting rid of goods.
Dispositioning	All activities relating to the inland movement of empty and or full containers.
Distance made good	The distance traveled after correction for current, leeway and other errors that may not have been included in the original distance measurement.
Distress alert	Notification by any means that a distress situation exists and assistance is needed
distress signals	Any signal that is used to indicate that a vessel is in distress. Flares, smoke, audible alarms and electronic beacons are types of distress signals.
Distribution	The set of activities which ensure the availability of goods in the desired quality, quantity, place and time for the customer.
Distribution Centre	A warehouse for the receipt, the storage and the dispersal of goods among customers.
Distribution Channel	The route by which a company distributes goods.
Distribution Requirements Planning	The function of determining the need to replenish stock at branch warehouses.
Distribution Resource Planning	The set of concepts, procedures and techniques, being an extension of DRP-I, for the effective planning and control of the physical distribution.
Ditching	The forced landing of an aircraft on water
Ditty Bag:	Small canvas bag in which a seaman keeps his small stores and impedimenta.
Ditty Box	: Small wooden box, with lock and key, in which seamen of R.N. keep sentimental valuables, stationery, and sundry small stores.
Diurnal:	Daily. Occurring once a day.
Divider	A vertically mounted partition in a compartment on board of an aircraft.
DLat	difference in latitude
DLong	difference in longitude
DMB	datum marker buoy
DMDO	Distilate Marine Deisel Oil
DNC	Digital Nautical Chart
DNV	Det Norske Veritas (classification society)
DOC	document of compliance (as per ISM Code)
DOCK	A protected water area in which vessels are moored.The term is often used to denote a pier or a wharf.
DOCK	A protected water area in which vessels are moored.The term is often used to denote a pier or a wharf.
Dock	the area a boat rests in when attached to a pier, also the act of taking the boat to the pier to secure it
Dock	1) Any platform where vessels can make fast. The act of securing a boat in such a place. Docks are often subdivided into smaller areas for docking known as slips.2) The act of entering a dock.
Dock	The space alongside a pier or in dry dock; any pier or wharf.
Dock Bumpers	Cushioning devices (rubber, plastic, wood, etc.) mounted at the extreme rear of a chassis or trailer to take the impact when it backs into a loading dock or platform (road cargo).
Dock Receipt	Document issued by P&O Nedlloyd acknowledging that goods are received for shipment.
Dock:	The area a boat rests in when attached to a pier, also the act of taking the boat to the pier to secure it.
Dock:	The area a boat rests in when attached to a pier, also the act of taking the boat to the pier to secure it.
Document	Anything printed, written, relied upon to record or prove something.
Document Holder	Usually fastened to the door on the front of a container. May contain e.g. a certificate of approval of the container.
DOD	Department of Defense.
Dodger	Screen of cloth or other material fitted up to keep the crew from the wind and water spray
Dogvane	A small banner to show the relative direction of the wind.
DOLPHIN	A group of piles driven close together and bound with wire cables into a single structure. Big swimming mammal likes to play round the bow wave
DOLPHIN	A group of piles driven close together and bound with wire cables into a single structure.
Dolphin	A mooring bouy or spar
Dolphin Striker	V-shaped boom pointing downwards at intersection of bowsprit and jib boom.
Dolphin:	A structure used for temporary mooring, also the term given to a navigation mark.
Domestic Carriage	Carriage whereby the place of departure and the place of destination are situated within one country (air cargo).
DOMESTIC OFFSHORE TRADES	Domestic shipping routes serving Alaska and non-continental U.S. States and territories.
Domestic Rate	Rate applicable within a country, and in most cases subject to special conditions other than those of IATA (air cargo).
donkey boiler	A steam boiler on a ship deck used to supply steam to deck machinery when the main boilers are shut down.
Donkeyman	: Rating who tends a donkey boiler, or engine, and assists in engine-room.
Donkey's Breakfast:	Merchant seaman's name for his bed or mattress.
DOT	Department of Transportation.
Double Banking	Two vessels moored alongside each other on a certain berth.
Double bottom	Construction of the bottom of a ship whereby a generally watertight space is formed between the shell and an inner bottom placed at a sufficient height above the baseline to allow access and to reduce risks due to grounding or colliding.
DOUBLE BOTTOM	General term for all watertight spaces contained between the outside bottom plating, the tank top and the margin plate. The double bottoms are sub-divided into a number of separate tanks which may contain boiler feed water, drinking water, fuel oil, balla
Double ender	Any Boat Designed with a pointed bow and stern
Double Stack Train	A number of railway wagons, usually a block train, on which containers can be stacked two- high.
Double-deck Pallet	Flat pallet with a top and bottom deck.
Down Haul	Line attached to the bottom of the boom used to flatten the sail by pulling the boom down, and thus tightening the luff of the sail.
Down Time	The period of time when a machine is not available for production due to a functional failure or maintenance.
Downhaul	Tackle used for pulling down the tack
Downwind	In the direction the wind is going. A boat sailing downwind is running with the wind.
DP	dynamic positioning
DR	dead reckoning
DRAFT	The depth of a ship in the water. Spelt draught in the UK
Dragging	Description of an anchor that is not securely fastened to the bottom and moves.
Drainage Basin:	This is the area of land over which all the streams flow and drain water to the principal River.
Drainage Basin:	This is the area of land over which all the streams flow and drain water to the principal River.
Draught:	This is the depth of water required to float a vessel.
Draw	A sail is said to be drawing when full with wind
Drawback	Repayment of any part of customs or excise duties previously collected on imported goods, when those goods are exported again.
Drayage	1. The hauling of a load by a cart with detachable sides (dray).2. Road transportation between the nearest railway terminal and the stuffing place.
Dredger:	The machine that scoops mud, sand & general rubbish from the waterways. Usually mounted on a boat.
Dredger:	The machine that scoops mud, sand & general rubbish from the waterways. Usually mounted on a boat.
Drift	the leeway or movement of the boat when not under power or when being pushed sideways while under power
Drift Ice:	Ice in an area containing several small pieces of floating ice, but with total water area exceeding total area of ice.
Drift:	The leeway, or movement of the boat, when not under power, or when being pushed sideways while under power.
Drilling Rig	A structure, which drills wells in the bottom in order to search for oil.
Drogue	Object towed over boat's stern to slow the boat and help keep it pointed down wind
Drop off Charge	Charge made by container owner and/or terminal operators for delivery of a leased, or pool container into depot stock. The drop-off charge may be a combination of actual handling and storage charges with surcharges.
Dry Bulk Container	Container consisting of a cargo-carrying structure, firmly secured within a framework, for the carriage of dry solids in bulk without packaging.
DRY CARGO	Merchandise other than liquid carried in bulk.
Dry Cargo Container	P&O Nedlloyd container which is designed for the carriage of goods other than liquids.
DRY CARGO SHIP	Vessel which carriers all merchandise, excluding liquid in bulk.
dry dock	A dock where a boat can be worked on out of the water. The boat is usually sailed into a dry dock, and then the water is pumped out.
DRY DOCK	An enclosed basin into which a ship is taken for underwater cleaning and repairing. It is fitted with water tight entrance gates which when closed permit the dock to be pumped dry.
DSC	Dangerous Goods,Solid Cargoes and Containers,IMO
DSC	digital selective calling
DSS	decision support system
DSV	Diving Support Vessel
DUAL PURPOSE SHIP	Specially constructed ship able to carry different types of cargoes such as ore and/or oil.
Dunnage	Belongings.
DUNNAGE	A term applied to loose wood or other material used in a ship's hold for the protection of cargo.
Duty Free Zone	An area where goods or cargo can be stored without paying import customs duties awaiting further transport or manufacturing.
DWT	Deadweight tons.
Dwt	deadweight tonnes
DX.90	Format for digital cartographic data