Glossary

Maritime glossary, terms beginning with W (page 6)

All maritime glossary terms that begin with the letter W, drawn from every subject section. 1357 entries.

Showing 107 of 1357 terms (page 6 of 6).

World Sailing Speed Record Council F4. Recreational Boating, Yachting and Sport: Body certifying outright sailing speed records.
World Sailor of the Year F4. Recreational Boating, Yachting and Sport: Annual award by World Sailing.
World Seeker X97. Polar Expedition Cruise and IAATO Operations: Atlas Ocean Voyages expedition yacht delivered in 2024 with 196 PAX.
World Shipping Council X76. Stevedoring, Lashing and Cargo Securing: Container line trade association that publishes the annual Containers Lost at Sea report, which has tracked container losses since 2008.
World Shipping Council Annual Conference X119. Maritime Conferences, Trade Shows and Awards: Annual liner industry policy event held in Washington DC or Brussels.
World Shipping Encyclopaedia X101. Vessel Brokerage Software and Chartering Platforms: Historic vessel database published by Lloyd's Register Fairplay, succeeded by IHS Sea-web and now S&P Global Sea-web.
World Traveller X97. Polar Expedition Cruise and IAATO Operations: Atlas Ocean Voyages expedition yacht delivered in 2022 with 196 PAX.
World Tunnel Congress X119. Maritime Conferences, Trade Shows and Awards: Annual ITA event with subsea tunnel and marine geotechnical track.
World Voyager X97. Polar Expedition Cruise and IAATO Operations: Atlas Ocean Voyages expedition yacht delivered in 2020 with 200 PAX.
World War I Shipping Crisis F1. Maritime History: 1917 Allied tonnage emergency under unrestricted U-boat warfare.
World War II Convoy Battles F1. Maritime History: 1939 to 1945 North Atlantic campaign.
WORLDSCALE C1. Commercial shipping, chartering, economics and finance: Tanker freight rate scale set annually by the Worldscale Associations.
Worldscale (WS) X17. Chartering, Shipbroking and Freight Trading: Tanker freight tariff system published annually by Worldscale Association, expressing rates as percentages of nominal flat rates.
WorldScale Association X44. Shipping Indices, FFAs and Freight Markets: Joint London and New York organization that publishes nominal flat rates each January as the basis for percentage-quoted tanker assessments.
Worldscale flat C1. Commercial shipping, chartering, economics and finance: WS100, benchmark rate published by Worldscale.
Worldscale Flat Rate X44. Shipping Indices, FFAs and Freight Markets: Annually published nominal dollars-per-ton freight rate for each defined tanker voyage at the Worldscale 100 level.
Worldscale Points X44. Shipping Indices, FFAs and Freight Markets: Quoted percentage of the nominal flat rate at which a tanker voyage is fixed or assessed, with WS100 equal to the flat rate.
WorldStar X124. Dredging Industry and Reclamation Contractors: NMDC TSHD.
Worldwide Project Consortium (WPC) X104. Project Cargo Forwarders and Heavy Transport: Independent network of project freight forwarders.
Worldwide Provisioning Network X120. Marine Catering, Provisions and Ship Chandlers: Wrist Ship Supply's umbrella name for its branch and agent coverage.
Worldwide Surveyor Network X86. Port Agency, Husbandry and Disbursement: Network of surveyors operating worldwide for inspection firms.
Worldwide Threat Assessment (ODNI) X151. Maritime Sanctions, Dark Fleet, and Price Cap Regimes: A U.S. intelligence community publication that has discussed dark-fleet evolution since 2022.
Worldwide Welfare Work, ISWAN F3. Seafaring Life, Education, Professions and Institutions: International seafarer welfare projects.
Worley X57. Ocean Energy Beyond Wind: Engineering services contractor engaged in offshore CCS, hydrogen, and floating renewable projects.
Worley Subsea X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines: Engineering arm of Worley providing pipeline, riser, and SURF engineering services.
Worming X3. Ship Handling, Seamanship and Deck Vocabulary: Filling the contlines of a rope with small line before parceling.
Worth Avenue Yachts X35. Yacht and Superyacht Industry: US brokerage based in Palm Beach with global offices.
Wound closure strips (Steri-Strip) X36. Shipboard Medical, Telemedicine and Seafarer Health: Adhesive skin-closure strips for minor lacerations.
Wound irrigation X36. Shipboard Medical, Telemedicine and Seafarer Health: Sterile saline lavage as primary wound cleansing under IMGS protocol.
WP X76. Stevedoring, Lashing and Cargo Securing: Gross weight rating stenciled on the CSC plate, sometimes shown as Maximum Gross Mass.
WPB X130. National Coast Guards and Cutter Fleets: USCG hull classification for Patrol Boat (Coastal), Island-class.
WPC X130. National Coast Guards and Cutter Fleets: USCG hull classification for Patrol Craft, Sentinel-class FRC.
WPQ test B4. Shipbuilding, Materials, Sea Trials, Retrofits and Recycling: Welder performance qualification per ISO 9606-1.
WPRO X126. Marine Oil Spill Response and OPRC Regimes: West Pacific Regional Office (illustrative WHO acronym, used in spill health assessment).
WPS X127. Maritime Security, Anti-Piracy and PMSCs: Worldwide Personal Security, US Department of State contracts under which Constellis and Triple Canopy operate.
WR-21 X106. Naval Surface Combatants: Rolls-Royce intercooled recuperated marine gas turbine fitted to Royal Navy Type 45 destroyers.
WR-2120 X89. ECDIS and Bridge Equipment Makers: Furuno wave radar measuring wave height and direction from a vessel mounted X band antenna.
Wrangel Island X97. Polar Expedition Cruise and IAATO Operations: Russian Arctic UNESCO World Heritage island in the Chukchi Sea, visited by expedition cruises before 2022 sanctions.
Wrap-up survey X124. Dredging Industry and Reclamation Contractors: Final post-dredging bathymetric survey for contract closeout.
Wrapper X75. IMDG Code, Classes, Packing and Segregation: Protective covering for inner packagings within combination packagings.
WRAS Approval X88. Marine Surface Preparation and Coatings Application: Water Regulations Advisory Scheme approval in the UK confirming a product is suitable for contact with potable water.
Wreck X60. Marine Salvage and Wreck Removal: Vessel that has become a total loss or is so damaged as to be a hazard to navigation or the environment.
Wreck Commissioner (UK) X163. Marine Accident Investigation Agencies and Landmark Inquiries: Historical United Kingdom judicial office under the Merchant Shipping Act 1894 responsible for formal investigations into shipping disasters, exemplified by Lord Mersey's inquiries into Titanic and…
Wreck Coordinator X60. Marine Salvage and Wreck Removal: Project manager assigned by the contracting party to oversee wreck removal works.
Wreck Diving X82. Saturation Diving and Offshore Diving Operations: Underwater inspection or salvage on sunken structures.
Wreck Diving Heritage F2. Maritime Culture, Heritage, Archaeology, Art and Museums: Sport heritage including HMS Royal Oak war grave.
Wreck Diving Survey X60. Marine Salvage and Wreck Removal: Dive survey of a wreck for hazard identification, cargo assessment, and removal planning.
Wreck Inspection X157. Marine Loss Adjusters, GA Practice, and Casualty Firms: Underwater or above-water inspection of a casualty wreck to inform salvage and removal planning.
Wreck Inventory X167. Major Salvage Companies, Wreck Removals, and Equipment: Catalog of known sunken vessels maintained by hydrographic offices and coastal states.
Wreck Marking Buoy F5. The Reference Layer: Glossary, Units, Signals and Information Sources: Emergency buoy marking a new danger under IALA.
Wreck Owner X13. Marine Salvage and Wreck Removal: Registered owner liable under Nairobi Convention for wreck location and removal.
Wreck removal B4. Shipbuilding, Materials, Sea Trials, Retrofits and Recycling: Operations under Nairobi Convention.
Wreck Removal Certificate A4. Other IMO and ILO conventions and codes: Required under Nairobi WRC for ships of 300 GT and above.
Wreck Removal Contract X99. Marine Salvage Awards and SCOPIC: Commercial contract such as BIMCO Wreckhire, Wreckstage, or Wreckfixed for removal of a wreck.
Wreck Removal Contractor X99. Marine Salvage Awards and SCOPIC: Specialist contractor engaged to remove a wreck, often the former salvor of the casualty.
Wreck Removal Convention X60. Marine Salvage and Wreck Removal: Nairobi International Convention on the Removal of Wrecks 2007, in force from 14 April 2015.
Wreck Removal Convention (Nairobi) X157. Marine Loss Adjusters, GA Practice, and Casualty Firms: 2007 IMO convention obliging registered owners to insure and remove wrecks posing a hazard in convention waters.
Wreck Removal Cover X4. Marine Insurance, P&I and Claims: P&I head of cover for liabilities for removal, marking or lighting of wrecks.
Wreck Removal Insurance X167. Major Salvage Companies, Wreck Removals, and Equipment: Cover provided by P&I clubs against the cost of removing a wreck under flag and coastal state law.
Wreck Removal Insurance Certificate X99. Marine Salvage Awards and SCOPIC: Certificate required under the Nairobi WRC evidencing financial security for wreck removal liabilities.
Wreck Removal Plan X13. Marine Salvage and Wreck Removal: Engineering and environmental document submitted to coastal state.
Wreck Removal Vessel E4. Cruise, offshore energy and auxiliary/specialised fleets: Heavy-lift unit deployed for wreck removal under Nairobi Convention.
Wreck Section Lift X167. Major Salvage Companies, Wreck Removals, and Equipment: Crane lift of a discrete portion of a wreck after underwater cutting, used on Tricolor and KEA Trader.
Wreck Survey X5. Marine Surveying and Inspection: Inspection of wreck for removal feasibility and salvage.
Wreck Tracker X60. Marine Salvage and Wreck Removal: AIS or sonar identifier used to monitor wreck sites for movement or scour.
Wreckage and Damage Inspection Survey (WDS) X157. Marine Loss Adjusters, GA Practice, and Casualty Firms: Survey by an independent expert assessing wreck condition and damage following a casualty.
Wreckage Drift X80. Maritime Search and Rescue Coordination: Drift specific to floating wreckage as a search object.
Wreckage Removal Convention 2007 X51. Maritime Arbitration, Law and BIMCO Clauses: The Nairobi International Convention on the Removal of Wrecks.
Wreckers F1. Maritime History: Coastal communities salvaging cargoes from stranded vessels.
WRECKFIXED 2010 X13. Marine Salvage and Wreck Removal: BIMCO lump-sum wreck removal contract.
WRECKHIRE 2010 X13. Marine Salvage and Wreck Removal: BIMCO daily hire wreck removal contract.
WRECKSTAGE 2010 X13. Marine Salvage and Wreck Removal: BIMCO milestone payment wreck removal contract.
Wrench, turnbuckle X76. Stevedoring, Lashing and Cargo Securing: Long handled tool used to tighten or slack lashing turnbuckles by stevedores.
Wring bolt X3. Ship Handling, Seamanship and Deck Vocabulary: Bolt drawing a plank tight to a frame during construction.
Wrinkling X45. Marine Paints, Coatings and Antifouling: Surface defect of finely furrowed coating film caused by uneven drying or excessive thickness.
Wrist Ship Supply X120. Marine Catering, Provisions and Ship Chandlers: Aalborg, Denmark headquartered global ship chandler founded 1953, serves 2,200-plus ports.
Writ in Rem X51. Maritime Arbitration, Law and BIMCO Clauses: The historical name for the in rem claim form by which admiralty proceedings against the ship are commenced.
Write Down X49. Ship Finance, Leasing and Maritime Capital Markets: Reduction in the carrying value of a vessel or loan on the holder's balance sheet.
Written Line X4. Marine Insurance, P&I and Claims: percentage share written by an underwriter on the slip before signing down.
Written Premium X117. Marine Insurance Markets, Captives and Reinsurance: Premium written by an insurer in a period, as opposed to earned premium.
Written submissions X152. Maritime Arbitration and Dispute Resolution: Formal pleadings exchanged in sequence (claim submissions, defence and counterclaim submissions, reply, rejoinder) under LMAA Terms paragraph 14.
Wrongful Arrest X51. Maritime Arbitration, Law and BIMCO Clauses: The arrest of a vessel without reasonable cause, attracting damages in some jurisdictions including Singapore and South Africa.
WROV X14. Offshore Oil and Gas Marine Operations: Work-class ROV with manipulators and tooling.
WSC X25. Maritime Cybersecurity, OT and IT: World Shipping Council, co-author of BIMCO cyber guidelines.
WSCP X165. Marine Coatings, Antifouling, and Hull Husbandry: Water Soluble Chloride and Sulfate Particles; cleanliness criteria following hydroblasting.
WSD59 8K X134. LNG and LPG Carrier Operators and Containment Systems: Standard VLGC design by SDARI for 86,000 cbm dual fuel LPG carrier widely contracted at Chinese yards from 2021.
WSP-30 X79. Tugs and Towage Industry: Voith Schneider Propeller unit designation indicating a 30-class size used on harbor tugs.
WSP-40 X79. Tugs and Towage Industry: Voith Schneider Propeller unit designation indicating a 40-class size used on larger harbor and escort tugs.
WSV X33. Inland Navigation and Barge Operations: Federal Waterways and Shipping Administration of Germany.
WT-grade plate X165. Marine Coatings, Antifouling, and Hull Husbandry: Welding-grade steel plate used in shipbuilding, distinguishing fabrication-quality from structural grades.
WTG X42. Offshore Wind Installation and Cable Lay: Wind Turbine Generator.
WTIV X14. Offshore Oil and Gas Marine Operations: Wind turbine installation vessel; jack-up class for offshore wind.
WTO X6. Container, Intermodal and Trade Codes: World Trade Organization, framework for tariff and trade rules.
WTO Agreement on Fisheries Subsidies (2022) X87. Fishing Vessels and Fisheries Management: Agreement adopted at MC12 prohibiting subsidies to IUU fishing and to overfished stocks.
Wuhan X166. Inland Waterways, Ferries, RoRo, and Short Sea Shipping: A major Yangtze River port at the confluence with the Han River, the head of 10,000 t ocean-going access on the middle Yangtze.
Wuhan Pilot Ladder X94. Port Machinery and Quay Equipment Makers: Generic reference to Chinese pilot ladder fabricators in the Wuhan region certified to ISO 799.
Wuhan University of Technology X121. Maritime Education, Academies and Universities: WHUT in Wuhan, Hubei, China, founded 1898 as the Hupei Foreign Language School and merged in 2000, hosts the School of Transportation and Logistics Engineering and the School of Naval Architecture…
Wuhan University of Technology Maritime Programs F3. Seafaring Life, Education, Professions and Institutions: Chinese inland-waterway emphasis.
Wuhan University of Technology School of Transportation X160. Maritime Academies, Universities, and STCW Certification: Chinese national university in Wuhan Hubei with strong inland and coastal shipping programs.
Wuhu Shipyard X29. Ship Sale and Purchase, Management Contracts and Valuation: Chinese yard, part of CSSC group.
Wusongkou Cruise Terminal X164. Cruise Industry, Brands, Ship Classes, and Terminals: The Shanghai cruise terminal at Baoshan district, operated by Shanghai Wusongkou International Cruise Terminal Development Company.
WW2 Atlantic Convoy Heritage Centre F2. Maritime Culture, Heritage, Archaeology, Art and Museums: Liverpool and Halifax heritage sites.
WWNWS X23. AIS, GMDSS, IALA Buoyage and Aids to Navigation: Worldwide Navigational Warning Service, jointly run by IMO and IHO with 21 NAVAREAs.
WWNWS (World-Wide Navigation Warning Service) B3. Nautical Science: NAVAREA coordinator.
WWNWS (World-Wide Navigational Warning Service) X16. Nautical Science, Navigation and COLREGs: IMO/IHO/WMO MSI dissemination system.
Wybcargo X81. Project Cargo, Heavy-Lift and Module Carriers: Briese Heavylift series of project carriers.
Wylde Swan X128. Sail Training Ships and Tall Ship Associations: Dutch two masted gaff topsail schooner rebuilt 2010 from 1920 herring hunter, 60 m length, world's largest two masted topsail schooner, operates youth sail and Masterskip school.