Glossary

Maritime glossary, terms beginning with D

All maritime glossary terms that begin with the letter D, drawn from every subject section. 2401 entries.

Showing 250 of 2401 terms (page 1 of 10).

D and D Contractors X127. Maritime Security, Anti-Piracy and PMSCs: Defense and Diplomacy contractors, generic US term for PMSC operators.
D-1 Standard X18. Ballast Water, Biofouling and Antifouling: Ballast Water Exchange Standard requiring at least 95 percent volumetric exchange of ballast water.
D-2 Standard X18. Ballast Water, Biofouling and Antifouling: Ballast Water Performance Standard requiring less than 10 viable organisms per cubic meter for >=50 microns, less than 10 viable organisms per milliliter for 10 to 50 microns, and indicator microbe…
D-3 Approval requirement X18. Ballast Water, Biofouling and Antifouling: Requirement that BWMS used to meet D-2 are type approved by the administration.
D-4 Prototype technology approval X18. Ballast Water, Biofouling and Antifouling: Provision allowing prototype BWMS evaluation under specified conditions.
D-5 Convention review X18. Ballast Water, Biofouling and Antifouling: BWM Convention provision for periodic review of standards.
D-Circle X31. Helicopter Operations on Ships: Painted circle on helideck whose diameter equals the design D-value.
D-Ring X9. Cargo Securing, Lashing and Stability Vocabulary: Forged ring lashing point welded to deck or structure.
D-ring turnbuckle X76. Stevedoring, Lashing and Cargo Securing: Turnbuckle terminating in a D-ring jaw end for direct attachment to deck eyes.
D-Shackle X173. Mooring, Anchoring, OCIMF MEG4, and Equipment Numeral: Shackle whose bow forms a D, used widely as joining and anchor shackles.
D-Value X31. Helicopter Operations on Ships: Largest overall dimension of helicopter with rotors turning, governing helideck size.
D'Artagnan X124. Dredging Industry and Reclamation Contractors: DEME CSD of 28,200 kW total installed power, named after the musketeer.
D/Dh ratio X38. Propellers, Stern Gear and Shaft Lines: Diameter to hub-diameter ratio, a geometric parameter of propeller series.
D&D C3. Logistics, freight forwarding and multimodal trade: Demurrage and detention charges.
D+ Antenna X68. Maritime Satcom and Telecommunications: KVH classification used historically for certain TracPhone models supporting integrated mini-VSAT broadband.
D11 X44. Shipping Indices, FFAs and Freight Markets: Historical Baltic Dirty Aframax cross-Mediterranean route used in earlier BDTI compositions before route consolidation.
D11 (Volvo Penta) X90. Marine Engine Specific Model Enumeration: Volvo Penta inline six-cylinder marine diesel of eleven liter class for workboats and ferries.
D13 (Volvo Penta) X90. Marine Engine Specific Model Enumeration: Volvo Penta inline six-cylinder marine diesel of thirteen liter class for commercial and yacht propulsion.
D16 (Volvo Penta) X90. Marine Engine Specific Model Enumeration: Volvo Penta inline six-cylinder marine diesel of sixteen liter class for higher horsepower commercial and yacht applications.
D4 (Volvo Penta) X90. Marine Engine Specific Model Enumeration: Volvo Penta four-cylinder marine diesel of the D-Series for pleasure craft and light commercial use.
D5LE X11. Naval Vessels, Warship Systems and Naval Architecture: Trident II D5 Life Extension SLBM variant fielded from 2017.
D6 (Volvo Penta) X90. Marine Engine Specific Model Enumeration: Volvo Penta inline six-cylinder marine diesel of the D-Series for sport boats and small workboats.
D9 (Volvo Penta) X90. Marine Engine Specific Model Enumeration: Volvo Penta inline six-cylinder marine diesel of nine liter class for commercial and pleasure craft.
DA (Disbursement Account) X17. Chartering, Shipbroking and Freight Trading: Statement of port expenses prepared by the agent for owner or charterer.
DA (Double Armor) X122. Submarine Cable Laying, Repair Vessels and Operators: Cable construction with two layers of galvanized steel armor wires, used in heavy fishing or sand wave zones at depths up to about 1,500 m.
Dab X10. Marine Biology, Fisheries and Oceanography: Small flatfish (*Limanda limanda*) of European waters.
Dabbing X45. Marine Paints, Coatings and Antifouling: Hand application by brush or sponge into difficult corners and weld details.
DAC (Dynamic Atmospheric Correction) D5. Coastal processes, sea-level, cryosphere and ocean observation science: Correction applied to altimetry for atmospheric pressure and wind effects.
DAC Beachcroft X114. Maritime Arbitration and Shipping Law Firms: Insurance-focused firm with marine insurance disputes practice in London and Singapore.
DAC Report 1996 X152. Maritime Arbitration and Dispute Resolution: Report of the Departmental Advisory Committee on Arbitration that accompanied and explained the English Arbitration Act 1996.
Daegu-class X62. Naval Warships and Combat Systems: Republic of Korea Navy FFX Batch II frigate class led by ROKS Daegu (FFG-818).
Daegu-class frigate X106. Naval Surface Combatants: Republic of Korea Navy FFX-II guided-missile frigate class, lead ship ROKS Daegu FFG-818 commissioned 2018.
Daewoo BNWAS X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS: Bridge Navigational Watch Alarm System from Daewoo Shipbuilding electronics for newbuild fitment.
Daewoo E&C Marine X175. Port Engineering, Dredging, Breakwaters, and Quays: Marine and dredging arm of Daewoo Engineering and Construction of South Korea.
Daewoo Geoje X62. Naval Warships and Combat Systems: South Korean shipyard now part of Hanwha Ocean, building submarines for the ROK Navy and export customers.
Daewoo Shipbuilding and Marine Engineering X56. LNG/LPG Carriers and IGC Code: South Korean shipbuilder, now Hanwha Ocean, with a long history of LNG and LPG carrier construction including membrane LNG vessels.
Daewoo Shipbuilding HHI Merger X140. Ammonia as Marine Fuel and Hydrogen Shipping: Now Hanwha Ocean, designer of dual-fuel ammonia VLCCs and 88K LPG carriers.
Daewoo Shipbuilding Records X50. Ship Recycling, Demolition and Hong Kong Convention: Builder-specific Material Declarations relied on by IHM developers for newer Korean-built tonnage.
Daewoo Shipbuilding Salvage Support X167. Major Salvage Companies, Wreck Removals, and Equipment: Yard infrastructure used to dismantle large recovered wrecks brought to South Korea.
DAFF X6. Container, Intermodal and Trade Codes: Australian Department of Agriculture, Fisheries and Forestry, biosecurity authority.
Daggerboard F4. Recreational Boating, Yachting and Sport: Retractable centerboard often used in dinghies.
Dahlia Field Pipeline X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines: Subsea export pipeline serving the Dahlia field in Block 17 offshore Angola.
Dahomey Gap X10. Marine Biology, Fisheries and Oceanography: Coastal interruption of West African rainforest; analog used in marine biogeographic discussion.
Daihatsu 5DK20 X90. Marine Engine Specific Model Enumeration: Daihatsu DK series medium-speed marine auxiliary engine with five cylinders and 200 millimeter bore.
Daihatsu 8DK28 X90. Marine Engine Specific Model Enumeration: Daihatsu DK series medium-speed marine auxiliary engine with eight cylinders and 280 millimeter bore.
Daihatsu 8DK32 X90. Marine Engine Specific Model Enumeration: Daihatsu DK series medium-speed marine engine with eight cylinders and 320 millimeter bore offered for propulsion and generator duty.
Daihatsu DC series X90. Marine Engine Specific Model Enumeration: Daihatsu legacy medium-speed marine diesel family preceding the DK generation.
Daihatsu DC-32 X67. Marine Electrical Systems and Shore Power: Medium-speed marine auxiliary engine from Daihatsu Diesel of Japan.
Daihatsu DK Series X67. Marine Electrical Systems and Shore Power: Four-stroke medium-speed marine engines from Daihatsu Diesel widely used as auxiliary gensets.
Daihatsu DK-20 B2. Marine Engineering: Medium-speed marine engine family.
Daiichi Tanker Bunker Service X72. Bunkering Hubs and Bunker Suppliers: Japanese coastal bunker operator at Yokohama, Chiba, and Kobe.
Daikin Industries X70. Reefer Containers and Cold Chain Shipping: Japanese manufacturer of marine container refrigeration units including the LXE10E and ZESTIA model families.
Daikin LXE X26. Reefer Containers and Cold Chain Logistics: Daikin Industries container reefer unit family, including LXE10E.
Daikin LXE10E X136. Reefer Vessels and Cool Chain Operators: Flagship 40 foot reefer container unit from Daikin, used by NYK, ZIM, ONE, and several reefer container leasing companies.
Daikin Reefer Master X26. Reefer Containers and Cold Chain Logistics: Daikin OEM telematics package for container reefer fleet monitoring.
Daikin Star Cooler X26. Reefer Containers and Cold Chain Logistics: Marketing name used in some markets for high-efficiency Daikin reefer model.
Daily Cargo Log X40. Tanker Vetting, SIRE and VIQ: The deck record reviewed by SIRE inspectors during cargo and ballast chapter walk-throughs.
Daily CP Log X100. Marine Cathodic Protection and Anodes: A record of anode current, hull potential, and rectifier output captured each day to evidence continuous CP performance.
Daily Fix X161. Shipbroking, Freight Derivatives, and Baltic Indices: Publication of Baltic index values at approximately 13:00 London time on every London business day.
Daily ice chart X27. Polar Code, Ice Navigation and Polar Operations: Operational chart issued by national ice services such as CIS or Norwegian Ice Service.
Daily noon report C2. Ship operations, crewing and technical management: Standard daily report of position, consumption, and weather.
Daily Operations Log Review X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA: The SIRE 2.0 cross check of bridge, engine, and cargo logs against the operator's procedures.
Daily Parameter Check X69. EGCS Scrubbers, SCR and Marine Air Emissions: Verification of fuel index, load, engine speed and other parameters required under Scheme A.
Daily pilot bulletin X32. Marine Pilotage and Pilot Operations: Operational notice issued by some pilot stations on weather, restrictions, and traffic.
Daily Provision Cost (DPC) X120. Marine Catering, Provisions and Ship Chandlers: Owner or manager budget figure per person per day, commonly USD 8 to USD 12 on dry cargo vessels.
Daily Repair Rate X113. Drydock and Ship Repair Yards: Pricing structure under which the yard invoices a fixed currency amount per day of yard stay plus reimbursable items.
Daily report X71. Shipbrokers and Brokerage Firms: Standard broker email summarizing the market open, key fixtures, and S&P interest.
Daily Report (SCR) X99. Marine Salvage Awards and SCOPIC: Written report by the Special Casualty Representative describing on-scene activities, equipment, and progress.
Daily round X19. Engine Room Watchkeeping and UMS Operations: Mandatory inspection by the duty engineer of all machinery spaces under the UMS regime.
Daily running cost C1. Commercial shipping, chartering, economics and finance: Vessel OPEX per day, excluding voyage and capital costs.
Daily Service Tank X63. Marine Auxiliary Machinery and Pumps: Settled fuel oil tank supplying treated fuel directly to engines via the service pump.
Daily Settlement Price X44. Shipping Indices, FFAs and Freight Markets: Closing reference value published each day by a clearing house against which FFA margin is calculated.
Daily Status Report X86. Port Agency, Husbandry and Disbursement: Communication by the agent summarizing operations and forecast for the day.
Daily tank X19. Engine Room Watchkeeping and UMS Operations: Service tank holding 8 to 24 hours of clean fuel for engines.
Daily Tariff Rates X99. Marine Salvage Awards and SCOPIC: Per-day rates set out in Annex B of SCOPIC for tugs, personnel, and equipment.
Daily Wage Worker X28. Ship Recycling and End-of-Life: Casual labor employed at recycling yards on a per-day basis.
Dairy carriage X26. Reefer Containers and Cold Chain Logistics: 0 to 4 C for fresh milk, cream, yogurt; HACCP and EU 853/2004 hygiene compliance required.
Dairy reefer carriage X70. Reefer Containers and Cold Chain Shipping: Carriage of milk-based commodities at temperatures appropriate to product type, generally plus two to plus four degrees Celsius for chilled.
Dakar Bunker Anchorage X72. Bunkering Hubs and Bunker Suppliers: West African bunker call at Dakar Senegal supplied by Addax Bunkering and Glander International.
Dalhousie University Marine Affairs Program X160. Maritime Academies, Universities, and STCW Certification: Halifax Nova Scotia interdisciplinary graduate program in marine policy, management, and law founded in 1976.
Dali, MV X167. Major Salvage Companies, Wreck Removals, and Equipment: Singapore flagged container ship that struck the Francis Scott Key Bridge on 26 March 2024, with wreck and bridge removal led by Donjon-Smit and others.
Dalian Liaonan Ship Recycling X147. Ship Recycling, Hong Kong Convention, and Recycling Yards: A historically active Chinese yard located in Dalian, Liaoning Province.
Dalian Marine Diesel (DMD) X90. Marine Engine Specific Model Enumeration: Chinese builder licensed by MAN Energy Solutions to produce two-stroke main engines for newbuilding shipyards.
Dalian Maritime University X55. Marine Simulators, Training and Maritime Academies: Major Chinese maritime university in Liaoning Province, affiliated with the Ministry of Transport.
Dalian Maritime University (DMU) X160. Maritime Academies, Universities, and STCW Certification: Chinese Ministry of Transport key university in Liaoning province, established 1909, the largest maritime university in China.
Dalian Plant X83. ISO Container Manufacturing and Leasing: CIMC dry container plant in Dalian, Liaoning.
Dalian Shipbuilding X153. Offshore Drilling Rigs, FPSOs, and Offshore Vessels: Chinese shipbuilder that constructed semisubmersibles such as the COSL Pioneer series and various jackups.
Dalian Shipbuilding Industry X58. Shipbuilding Yards and Construction: DSIC, large Chinese yard at Dalian within CSSC, building VLCCs, LNG carriers, and aircraft carriers.
Dalian Shipbuilding Industry (DSIC) X29. Ship Sale and Purchase, Management Contracts and Valuation: Chinese yard under CSSC group.
Dalin, Charlie X84. Yacht Racing, Regattas and Sailing Governance: French skipper who won the 2024-2025 Vendee Globe aboard Macif Sante Prevoyance.
Dall's porpoise X10. Marine Biology, Fisheries and Oceanography: *Phocoenoides dalli*, a fast-swimming North Pacific porpoise.
Dalriada X39. Pre-1900 Maritime History: Early medieval Gaelic seafaring kingdom spanning western Scotland and northeastern Ireland.
Damage Code X83. ISO Container Manufacturing and Leasing: IICL alphanumeric code describing type, location, and severity of container damage during inspection.
Damage Control Plan X9. Cargo Securing, Lashing and Stability Vocabulary: Plan required under SOLAS II-1/19 showing watertight subdivision.
Damage Control Training X160. Maritime Academies, Universities, and STCW Certification: Module within Advanced Fire Fighting and ship handling courses addressing stability, structural integrity, and flooding response.
Damage Protection Plan X83. ISO Container Manufacturing and Leasing: Lessee plan with a leasing company capping repair charges at off-hire.
Damage Repair History X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA: The Form B and structural repair record reviewed during vetting to evidence longitudinal hull condition.
Damage Report (Stores) X120. Marine Catering, Provisions and Ship Chandlers: Chandler claim form for goods rejected at delivery, signed by master and agent.
Damage Report Filing X86. Port Agency, Husbandry and Disbursement: Submission of damage notices to relevant parties, organized by the agent.
Damage Stability A2. Maritime safety legislation: SOLAS and its codes: Required for passenger and cargo ships under SOLAS II-1, Parts B-1 and B-2.
Damage stability booklet C2. Ship operations, crewing and technical management: Booklet on residual stability after damage.
Damage Stability Notation X142. Classification Societies and Class Notations: Class addition such as SDS Subdivision and Damage Stability.
Damage Stability Survey X5. Marine Surveying and Inspection: Verification that damage stability information is on board and current.
Damage Survey X5. Marine Surveying and Inspection: Investigation into hull, machinery, or cargo damage and probable cause.
Damage to the Environment X99. Marine Salvage Awards and SCOPIC: Substantial physical damage to human health or marine life or resources in coastal or inland waters as defined in Article 1(d) of the Convention.
Damaged Cargo Survey X1. Cargo Science, Commodities and Cargo Care: Formal inspection establishing nature, cause, and extent of damage.
Damaged Cells X75. IMDG Code, Classes, Packing and Segregation: Lithium battery condition requiring special UN 3171 or 3536 carriage or, where prohibited, no transport.
Damaged Lithium Battery X75. IMDG Code, Classes, Packing and Segregation: Transport conditions defined under SP188 and SP310 are not applicable; defective or damaged batteries follow SP376 and may be forbidden.
Damaged Package X172. IMDG Code: Classes, Divisions, Segregation, and Key UN Numbers: A package showing leakage, damage, or contamination that may not be loaded; must be repacked into salvage packaging.
Damaged stability B1. Naval Architecture: Stability assessment after compartment flooding per SOLAS Ch. II-1.
Damaged Value X53. Marine Insurance, P&I and Hull Clauses: The market value of damaged cargo or vessel as ascertained for the purpose of computing a partial loss.
Damaged Waterline X9. Cargo Securing, Lashing and Stability Vocabulary: Waterline in flooded condition.
Damages A5. Maritime Law, private and commercial: Monetary compensation for breach, including expectation and reliance measures.
Damages for Detention X51. Maritime Arbitration, Law and BIMCO Clauses: Compensation payable for delay to the vessel after laytime has expired and demurrage is exhausted or unagreed.
Damages for Wrongful Repudiation X51. Maritime Arbitration, Law and BIMCO Clauses: The owner's measure of loss where the charterer renounces a time charter, calculated on a market-replacement basis.
Damages-based costs X152. Maritime Arbitration and Dispute Resolution: Approach in some jurisdictions to costs awards calculated by reference to the amounts in dispute; not the principal English approach.
Damar Law X114. Maritime Arbitration and Shipping Law Firms: Greek shipping law firm based in Piraeus.
Damco Cool Chain X136. Reefer Vessels and Cool Chain Operators: Maersk subsidiary forwarder previously offering integrated cool chain logistics, folded into Maersk Logistics & Services brand in 2020.
Damen ASD Tug X137. Harbour Tugs, Towage Operators and Tug Builders: Family of Azimuth Stern Drive harbour tugs built to series-production at Damen yards in the Netherlands, Vietnam, China and Romania.
Damen ASD Tug 2810 X79. Tugs and Towage Industry: Damen Shipyards Group standard ASD tug design with a length of 28 meters and beam of 10.43 meters.
Damen ASD Tug 3010 X79. Tugs and Towage Industry: Damen ASD tug standard model of 30 meters in length used widely in harbor towage worldwide.
Damen ASD Tug 3212 X79. Tugs and Towage Industry: Damen ASD tug standard model of 32 meters length and 12 meters beam.
Damen ASD Tug 3413 X79. Tugs and Towage Industry: Damen ASD tug 34 meters in length and 13 meters in beam, used for terminal and escort work.
Damen ATD Tug X30. Tug Operations and Harbour Towage: Damen azimuth tractor drive family with thrusters under the forward hull.
Damen FCS 2710 X59. Offshore Wind O&M, CTVs and SOVs: Damen Fast Crew Supplier of 27 meter length used widely as a workhorse CTV in European wind farms.
Damen FCS 3008 X59. Offshore Wind O&M, CTVs and SOVs: 30 meter Damen Fast Crew Supplier with extended range and accommodation for longer transit O&M routes.
Damen FCS 3508 X59. Offshore Wind O&M, CTVs and SOVs: 35 meter aluminum CTV in the Fast Crew Supplier line, designed for distant offshore wind sites.
Damen FCS 7011 X123. Offshore Wind Installation Vessels and Operators: Larger SOV-class vessel design 70 m length, used in Damen Service Operations Vessel concept and contracted by Cadeler precursors.
Damen FCS Series X132. High-Speed Craft, Hydrofoils and Ferry Operators: Damen Fast Crew Supplier range from FCS 1605 to FCS 7011, monohull and twin-hull crew boats used in offshore oil, gas and wind.
Damen Galati X123. Offshore Wind Installation Vessels and Operators: Romanian shipyard subsidiary of Damen Shipyards Group, built Bibby Wavemaster SOV series.
Damen HydroCat 48 X111. Methanol, Ammonia and Alternative Marine Fuels: 2022 hydrogen dual-fuel crew transfer vessel built by Damen with CMB.TECH technology for Windcat Workboats.
Damen Marine Components X38. Propellers, Stern Gear and Shaft Lines: Dutch manufacturer of rudders, nozzles, and steering gear, including Optima and Barke high-lift rudders.
Damen Modular Tug X79. Tugs and Towage Industry: Damen tug concept built from standardized modules to permit accelerated delivery and customization.
Damen Naval X62. Naval Warships and Combat Systems: Dutch division of Damen Shipyards specializing in naval surface combatants, including the Sigma series and Anti-Submarine Warfare Frigate for the Netherlands.
Damen Naval Vlissingen X113. Drydock and Ship Repair Yards: Naval shipbuilding business of Damen at Vlissingen, Netherlands, undertaking frigate construction and naval refits.
Damen Optima rudder X38. Propellers, Stern Gear and Shaft Lines: Twisted high-lift rudder marketed by Damen Marine Components for energy saving.
Damen RSD 2513 X137. Harbour Tugs, Towage Operators and Tug Builders: 25 m, 13 m beam RSD tug with about 70 t BP and a single wheelhouse working over twin bows.
Damen RSD 2513 Triton X137. Harbour Tugs, Towage Operators and Tug Builders: Triton-class variant of the RSD 2513 with optimized hull aft.
Damen RSD 2914 X137. Harbour Tugs, Towage Operators and Tug Builders: 29 m RSD tug pushing into the 80 t BP bracket with FiFi 1 capability.
Damen RSD Tug X137. Harbour Tugs, Towage Operators and Tug Builders: Reverse Stern Drive concept with double-ended hull and thrusters forward, allowing identical performance in either direction.
Damen RSD Tug 2513 X30. Tug Operations and Harbour Towage: 25 m Reverse Stern Drive Damen design symmetrical fore and aft, with twin azimuth thrusters forward.
Damen Sea Axe X87. Fishing Vessels and Fisheries Management: Damen Shipyards platform, including 100 meter variants used as offshore support and research vessels rather than fishing vessels.
Damen Shiprepair Amsterdam X113. Drydock and Ship Repair Yards: Damen Group ship repair yard in the Port of Amsterdam with drydocks and quayside repair berths.
Damen Shiprepair Antwerp X113. Drydock and Ship Repair Yards: Damen Group ship repair facility in the Port of Antwerp serving the North Sea and Scheldt trades.
Damen Shiprepair Brest X79. Tugs and Towage Industry: Damen ship repair yard in Brest, France, servicing tugs, offshore vessels, and naval ships.
Damen Shiprepair Cadiz X113. Drydock and Ship Repair Yards: Damen Group ship repair yard in Cádiz, Spain, formerly Astilleros de Cádiz operations.
Damen Shiprepair Curaçao X113. Drydock and Ship Repair Yards: Damen-operated Caribbean repair yard at Willemstad with three graving docks and ample quayside.
Damen Shiprepair Dunkerque X113. Drydock and Ship Repair Yards: Northern French Damen ship repair yard with the Form 7 large graving dock.
Damen Shiprepair Forum X119. Maritime Conferences, Trade Shows and Awards: Annual customer event hosted by Damen Shipyards Group in Rotterdam.
Damen Shiprepair Harlingen X113. Drydock and Ship Repair Yards: Northern Dutch Damen yard at Harlingen for repair and conversion of smaller vessels.
Damen Shiprepair Rotterdam X113. Drydock and Ship Repair Yards: Damen ship repair yard at Schiedam-Rotterdam with multiple drydocks for tanker, container, and gas carrier repair.
Damen Shiprepair Sharjah X113. Drydock and Ship Repair Yards: Albwardy Damen joint venture in Sharjah, UAE, providing repair and conversion services in the Arabian Gulf.
Damen Shiprepair Vlissingen X113. Drydock and Ship Repair Yards: Damen ship repair yard in Vlissingen-Oost, Netherlands, with multiple drydocks for large commercial tonnage.
Damen Shipyards X59. Offshore Wind O&M, CTVs and SOVs: Dutch shipbuilder supplying CTVs, multicats, and SOVs to the offshore wind sector from Gorinchem and partner yards.
Damen Shipyards Galați X113. Drydock and Ship Repair Yards: Damen Group shipyard in Romania on the Danube undertaking newbuilds and conversion of offshore and commercial vessels.
Damen Shipyards Group X30. Tug Operations and Harbour Towage: Dutch shipbuilder, major supplier of ASD, RSD, ATD, and Stan Tug series.
Damen Song Cam X137. Harbour Tugs, Towage Operators and Tug Builders: Vietnamese Damen yard near Haiphong, a key production site for the ASD 2810 series.
Damen Stan Patrol X130. National Coast Guards and Cutter Fleets: Dutch-designed patrol vessel series widely operated by coast guards in Vietnam, Mexico, Albania and Saudi Arabia.
Damen Stan Pilot 1605 X94. Port Machinery and Quay Equipment Makers: Damen Shipyards Group standard 16-meter aluminum pilot launch widely used by harbor pilotage services.
Damen Stan Tender 1605 X94. Port Machinery and Quay Equipment Makers: 16-meter workboat variant from Damen used for mooring boat duties and crew transfers.
Damen Stan Tug X30. Tug Operations and Harbour Towage: Long-running Damen series of small to medium conventional and ASD workboats and tugs.
Damen Stan Tug 1606 X137. Harbour Tugs, Towage Operators and Tug Builders: 16 m Stan tug with about 18 t BP, used in small ports and inland.
Damen Stan Tug 2208 X137. Harbour Tugs, Towage Operators and Tug Builders: 22 m Stan tug delivering circa 30 t BP for medium ports.
Damen Stan Tug 2608 X137. Harbour Tugs, Towage Operators and Tug Builders: 26 m, 30 to 40 t BP twin-screw harbour tug.
Damen TSD 2909 X137. Harbour Tugs, Towage Operators and Tug Builders: 29 m TSD tug at around 50 t BP, used as a more economical alternative to ASD designs.
Damen TSD 3211 X137. Harbour Tugs, Towage Operators and Tug Builders: 32 m TSD tug producing about 65 t BP for medium-port assist work.
Damen TSD 3315 X137. Harbour Tugs, Towage Operators and Tug Builders: 33 m TSD tug developed for assist and short-coastal towage.
Damen TSD Tug X137. Harbour Tugs, Towage Operators and Tug Builders: Twin Screw Drive tug series with two ducted propellers and high-lift rudders.
Damen Twin Axe X105. Offshore Wind Farm Installation and Vessels: Sea Axe bow design applied to fast crew supplier catamarans for improved seakeeping in offshore wind service.
Damen Yachting X35. Yacht and Superyacht Industry: Dutch yacht arm of the Damen Group operating from Vlissingen, encompassing Amels and SeaXplorer.
Damietta X124. Dredging Industry and Reclamation Contractors: Egyptian port maintained by Suez Canal Authority dredging fleet.
Damp Cargo X1. Cargo Science, Commodities and Cargo Care: Cargo loaded with moisture above safe level for storage.
Damper X19. Engine Room Watchkeeping and UMS Operations: Adjustable plate controlling ventilation or exhaust flow.
Damper Position Feedback X69. EGCS Scrubbers, SCR and Marine Air Emissions: Sensor signal confirming bypass or divert valve position for safety interlocks.
Damper, fresh-air X26. Reefer Containers and Cold Chain Logistics: Mechanical or motorized vent adjusting outside-air introduction.
Dampier Pilots X159. Marine Pilotage, Pilot Districts, and Pilots' Associations: Pilbara Pilots service to the iron-ore and LNG terminals at Dampier and Port Walcott in Western Australia.
Dampier, William X39. Pre-1900 Maritime History: English navigator and buccaneer whose voyages from 1679 to 1711 produced influential charts of the Pacific.
Damping coefficient (roll) B1. Naval Architecture: Coefficient governing energy dissipation in roll motion.
Damping Ratio X54. Naval Architecture Software and IACS Rules: Fraction of critical damping used in seakeeping and structural dynamic analyses.
Dampskibsselskabet Maersk Training X121. Maritime Education, Academies and Universities: See Maersk Training.
Dampskibsselskabet Norden Bunker Desk X72. Bunkering Hubs and Bunker Suppliers: In house bunker procurement function of D/S Norden serving the dry bulk and product tanker fleet.
Dan Bunkering X72. Bunkering Hubs and Bunker Suppliers: Bunker trading subsidiary of Bunker Holding, the world's largest bunker broker by volume.
Dan Bunkering Calais X72. Bunkering Hubs and Bunker Suppliers: French office of Dan Bunkering serving channel ports and Mediterranean stems.
Dana, Richard Henry F2. Maritime Culture, Heritage, Archaeology, Art and Museums: Author of Two Years Before the Mast, 1840.
DanBrit Ship Supply X120. Marine Catering, Provisions and Ship Chandlers: Esbjerg, Denmark headquartered chandler serving North Sea offshore and fishing fleets.
Danger (Article 13(1)(d)) X99. Marine Salvage Awards and SCOPIC: Nature and degree of peril facing the casualty, assessed as at the commencement of services.
Danger Label X75. IMDG Code, Classes, Packing and Segregation: Generic term for IMDG class label or subsidiary risk label affixed to packages.
Dangerous Cargo Manifest (DCM) X1. Cargo Science, Commodities and Cargo Care: Required document listing IMDG cargoes onboard.
Dangerous Goods X75. IMDG Code, Classes, Packing and Segregation: Substances and articles meeting any IMDG classification criteria across Classes 1 to 9.
Dangerous goods declaration C3. Logistics, freight forwarding and multimodal trade: DGD, shipper declaration under IMDG Code.
Dangerous Goods Declaration (DGD) X1. Cargo Science, Commodities and Cargo Care: Shipper's certified document under IMDG.
Dangerous Goods Inspection X5. Marine Surveying and Inspection: Verification of IMDG segregation, packaging, marking, and documentation.
Dangerous Goods List X75. IMDG Code, Classes, Packing and Segregation: DGL, the table in IMDG Part 3 Chapter 3.2 listing every UN number with classification, packing and stowage data.
Dangerous Goods List (DGL) X1. Cargo Science, Commodities and Cargo Care: Main IMDG table by UN number with packing/segregation columns.
Dangerous Goods Manifest A2. Maritime safety legislation: SOLAS and its codes: Required under SOLAS VII/4.
Dangerous Goods Note X75. IMDG Code, Classes, Packing and Segregation: Industry shipping note used by some forwarders as a precursor to or alongside the DG declaration.
Dangerous Goods Project Cargo X104. Project Cargo Forwarders and Heavy Transport: Project units containing hazardous materials, governed by IMDG and ADR rules.
Dangerous Goods Safety Adviser X75. IMDG Code, Classes, Packing and Segregation: DGSA, person required under European ADR and recommended for some IMDG operations to oversee compliance.
Dangerous Goods Stores X120. Marine Catering, Provisions and Ship Chandlers: Cleaning chemicals and aerosols stowed per IMDG class 2.1 and 9 when carried as cargo, not stores.
Dangerous Goods Tank X83. ISO Container Manufacturing and Leasing: Portable tank approved for the carriage of dangerous goods under IMDG and ADR.
Dangerous quadrant X16. Nautical Science, Navigation and COLREGs: Forward half of the dangerous semicircle.
Dangerous semicircle X16. Nautical Science, Navigation and COLREGs: Right-hand semicircle of a TRS in the Northern Hemisphere and left-hand in the Southern, where winds drive a vessel into the storm track.
Dangerous When Wet X75. IMDG Code, Classes, Packing and Segregation: Class 4.3 hazard label depicting flame on a blue background with a W or appropriate symbol.
Dangjin X92. Marine Steel Suppliers and Shipbuilding Plate: HD Hyundai Steel integrated works on the west coast of South Korea producing plate and section.
Daniamant BNWAS X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS: Watch alarm system from Daniamant, a Danish maker of survival lights and bridge safety products.
Daniamant L170 X89. ECDIS and Bridge Equipment Makers: Lifebuoy light commonly fitted to bridge wing lifebuoys for MOB marking.
Daniel Toledano KC X114. Maritime Arbitration and Shipping Law Firms: King's Counsel at One Essex Court appearing in shipping arbitrations and Commercial Court matters.
Danish Anchor Seine X87. Fishing Vessels and Fisheries Management: Net set in a pear shape from an anchor buoy and hauled to herd demersal fish into the bag.
Danish Energy Agency X123. Offshore Wind Installation Vessels and Operators: Energistyrelsen, awards Danish offshore wind concessions including Thor 1 GW won by RWE 2021.
Danish Geodata Agency X73. Marine Hydrography, Charting and ENC: GST (Geodatastyrelsen), the Danish HO in Copenhagen.
Danish Hydrographic Office X73. Marine Hydrography, Charting and ENC: Historical term for the Royal Danish Administration of Navigation and Hydrography, now within Geodatastyrelsen.
Danish International Register of Shipping X98. Ship Registries and Flag States: Danish second register known as DIS, established by Act No. 408 of 1 July 1988 to retain Danish-flag tonnage in international trade.
Danish JRCC Aarhus X80. Maritime Search and Rescue Coordination: Joint Rescue Coordination Centre in Aarhus, Denmark.
Danish Maritime Accident Investigation Board (DMAIB) X163. Marine Accident Investigation Agencies and Landmark Inquiries: Independent Danish investigation authority established in 2011 within the Ministry of Industry, Business and Financial Affairs, headquartered in Valby and conducting safety investigations into…
Danish Maritime Days X119. Maritime Conferences, Trade Shows and Awards: Annual programme of conferences in Copenhagen, founded 2014.
Danish Maritime Education and Training Centre (SIMAC) X160. Maritime Academies, Universities, and STCW Certification: National maritime training institution in Svendborg Denmark offering bachelor of nautical and marine engineering degrees.
Danish National Museum F2. Maritime Culture, Heritage, Archaeology, Art and Museums: Custodian of the Roskilde Skuldelev finds.
Danish Seamen's Mission X154. Maritime Welfare, Seafarer Charities, and MLC Rights: Lutheran Danish Seamen's Mission known as DSUK operating chaplaincies in foreign ports.
Danish seine X10. Marine Biology, Fisheries and Oceanography: Active demersal gear similar to a small trawl, towed along the seabed in a closing arc.
Danish Seiner X87. Fishing Vessels and Fisheries Management: Vessel rigged with two large warp drums to deploy and recover an anchor seine.
Danish Ship Finance X49. Ship Finance, Leasing and Maritime Capital Markets: Specialist Danish lender focused exclusively on ship mortgage finance, funded by covered bonds.
Danish Shipping Academy X121. Maritime Education, Academies and Universities: Industry-funded MTC providing officer-level continuing education in Copenhagen.
Danmark X128. Sail Training Ships and Tall Ship Associations: Danish full rigged ship built 1932 at Nakskov, 77 m length, 1,632 sq m sail area, owned by Danish Maritime Authority, trained US Coast Guard cadets 1942 to 1945 at New London.
Dansk Undergrunds Consortium (DUC) X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines: Operator group of Denmark's North Sea hydrocarbon assets, including the Tyra gas hub and associated pipelines.
Danske Sømandskirker i Fremmede Havne X102. Seafarer Welfare and Maritime Charities: Danish Seamen's Churches Abroad, the Lutheran maritime ministry of the Church of Denmark.
Danube X33. Inland Navigation and Barge Operations: 2,415 km navigable from Kelheim in Bavaria to Sulina on the Black Sea.
Danube Commission X33. Inland Navigation and Barge Operations: Intergovernmental body established by the Belgrade Convention 1948, seated in Budapest.
DAP X6. Container, Intermodal and Trade Codes: Delivered at Place, Incoterm 2020.
Daphne-class X77. Naval Mine Warfare and Mine Countermeasures: A historical Danish minelayer class.
Dar es Salaam X116. Global Bunker Anchorages, Hubs and Supply Infrastructure: Tanzanian east coast bunker call point with Oryx Energies and Puma Energy as physical suppliers.
Dar es Salaam Maritime Institute X121. Maritime Education, Academies and Universities: DMI in Tanzania, founded 1974, the national centre for STCW seafarer training.
DAR Group X125. Superyacht Industry, Builders and Brokers: Architectural consortium occasionally engaged on yacht interiors.
Dar Mlodziezy X128. Sail Training Ships and Tall Ship Associations: Polish three masted full rigged ship built 1981 at Gdansk Shipyard, 108.8 m length, 3,015 sq m sail area, civilian training ship of Gdynia Maritime University and lead vessel of the B95 class.
Dar Pomorza X128. Sail Training Ships and Tall Ship Associations: Polish full rigged ship built 1909 at Blohm and Voss Hamburg as Prinzess Eitel Friedrich, 91 m length, Polish training ship from 1929 to 1982, now museum ship at Gdynia.
Dardanelles Strait X32. Marine Pilotage and Pilot Operations: Southern Turkish Strait connecting the Aegean Sea and Sea of Marmara, with recommended pilotage.
Daring (HMS) D32 X106. Naval Surface Combatants: Lead ship of the Royal Navy Type 45 Daring-class destroyer, commissioned 2009.
Daring class X11. Naval Vessels, Warship Systems and Naval Architecture: Royal Navy Type 45 air-defense destroyer with PAAMS.
Dark Activity X74. AIS Data, Vessel Tracking and Maritime Intelligence: Term used by platforms such as Windward and Kpler for periods of unexplained AIS silence.
Dark Fleet E1. Maritime security, geopolitics and risk: Ships obscuring identity or ownership to evade sanctions, also called shadow fleet.
Dark Port Call E1. Maritime security, geopolitics and risk: Cargo operation without AIS broadcast.
DarkSide X25. Maritime Cybersecurity, OT and IT: Ransomware group responsible for the May 2021 Colonial Pipeline attack with reported USD 4.4 million ransom.
DARPA ACTUV X65. ROVs, AUVs, USVs and Marine Robotics: Anti-Submarine Warfare Continuous Trail Unmanned Vessel program that produced the Sea Hunter trimaran USV.
DARPA Sea Hunter X109. Maritime Autonomous Surface Ships and MASS Code: The 132 foot medium displacement unmanned surface vessel demonstrator developed under the United States Defense Advanced Research Projects Agency anti-submarine warfare program.
DARPS X14. Offshore Oil and Gas Marine Operations: Differential Absolute and Relative Positioning System; DP reference for FPSO offtake.
Darrieus turbine X57. Ocean Energy Beyond Wind: Vertical-axis hydrokinetic turbine geometry that has been explored for tidal stream applications including by HydroQuest.
Dartmouth Britannia Royal Naval College X121. Maritime Education, Academies and Universities: See Britannia Royal Naval College.
Darukhana Ship Breaking Yard X50. Ship Recycling, Demolition and Hong Kong Convention: A historic recycling cluster on the eastern Mumbai waterfront, now substantially curtailed compared with Alang.
Darwin Class X125. Superyacht Industry, Builders and Brokers: Cantiere delle Marche explorer series ranging from 24 m to 50 m.
DAS (double-acting ship) X27. Polar Code, Ice Navigation and Polar Operations: Ship designed to run ahead in open water and astern in heavy ice; flat-stem stern acts as icebreaking bow.
Dashboard (NOC) X68. Maritime Satcom and Telecommunications: Operator-facing console displaying vessel terminal status, throughput, and alerts across a fleet.