Glossary

Maritime glossary, terms beginning with Y

All maritime glossary terms that begin with the letter Y, drawn from every subject section. 425 entries.

Showing 250 of 425 terms (page 1 of 2).

Y Connection X67. Marine Electrical Systems and Shore Power: Star winding configuration providing access to a neutral conductor.
Y Performance Level X75. IMDG Code, Classes, Packing and Segregation: UN packaging marking indicating suitability for Packing Groups II and III.
Y S Investment (Alang) X118. Ship Recycling Yards, Beaches and Regulation: Alang plot operator on the GMB register; HKC SoC status to be confirmed with Class.
Y-Bridle X30. Tug Operations and Harbour Towage: Two-leg connection from a single towline to two pad eyes on a barge.
Y-Cargo X1. Cargo Science, Commodities and Cargo Care: MARPOL Annex II Category Y noxious liquid.
Y-Category NLS (Annex II Reg 6) X171. MARPOL 73/78: Annex-by-Annex Detailed Glossary: A noxious liquid substance presenting a hazard, allowing controlled discharge of cleaning residues subject to conditions in Reg 13.
Y-Listed Cargo X135. Chemical Tanker Operators and IBC Code Cargoes: MARPOL Annex II Category Y substance covering most chemical-tanker cargoes including MEG, methanol, vegetable oils and aromatic solvents.
Y-Piece X13. Marine Salvage and Wreck Removal: Manifold fitting used to combine or split dewatering lines on multiple pumps.
Y-Splice Eye F5. The Reference Layer: Glossary, Units, Signals and Information Sources: Rope splice technique.
Y-Strainer X20. LNG Operations and Custody Transfer: Inline cryogenic strainer protecting pumps and meters; common on bunker delivery lines.
Y-Type Bollard X173. Mooring, Anchoring, OCIMF MEG4, and Equipment Numeral: Bollard with a flared head shaped to retain mooring eyes and prevent jumping under load.
Y.CO X35. Yacht and Superyacht Industry: London and Monaco-based brokerage, charter, and management firm founded 2003.
Y.S. Investments X147. Ship Recycling, Hong Kong Convention, and Recycling Yards: Plot operator name historically associated with Alang.
Y2K38 Risk (OT) E3. Technology, digitalization and smart shipping: Embedded systems' epoch-rollover risk in legacy OT.
Y3 Audit Cycle A7. Compliance, certification and enforcement: IMSAS audit cycle within the seven-year IMO audit framework.
Yacheng terminal X57. Ocean Energy Beyond Wind: Chinese coastal facility studied in offshore CO2 transport and hydrogen import assessments.
Yacht F4. Recreational Boating, Yachting and Sport: Vessel used for pleasure, racing, or charter.
Yacht (M/Y, S/Y) B5. Ship Types and Individual Vessels: Motor/Sailing yacht.
Yacht and Brokerage Show Miami X119. Maritime Conferences, Trade Shows and Awards: Annual brokerage show held alongside Miami International Boat Show.
Yacht biofouling guidance X18. Ballast Water, Biofouling and Antifouling: IMO guidance MEPC.1/Circ.792 for recreational craft minimizing IAS transfer.
Yacht broker X156. Superyacht Industry, Builders, and Yacht Charter Market: Licensed intermediary representing a buyer or seller in a yacht sale and purchase transaction under MYBA or IYBA terms.
Yacht Carriers X125. Superyacht Industry, Builders and Brokers: Shipping firms such as DYT Yacht Transport (now Sevenstar) carrying yachts on heavy lift ships.
Yacht Charter Agreement X156. Superyacht Industry, Builders, and Yacht Charter Market: Contract chartering a yacht to a hirer for a defined period, with MYBA and Worldwide Yachting Association forms dominant in the Mediterranean.
Yacht Club F4. Recreational Boating, Yachting and Sport: Membership organization for recreational sailors.
Yacht Club Costa Smeralda (YCCS) X35. Yacht and Superyacht Industry: Members' yacht club in Porto Cervo, Sardinia.
Yacht Club de Monaco X125. Superyacht Industry, Builders and Brokers: Yacht owner's club whose Foster designed building anchors the Port Hercule superyacht scene.
Yacht Club de Monaco (YCM) X35. Yacht and Superyacht Industry: Monaco's principal yacht club, presided over by HSH Prince Albert II.
Yacht CoC X21. STCW Certificates, Crewing and Seafarer Welfare: MCA Yacht Master and Officer of the Watch (Yachts) qualifications recognized under STCW for commercial yachts.
Yacht Code X98. Ship Registries and Flag States: Common term for the Large Yacht Code adopted by Red Ensign Group registries for commercial yachts above 24 meters.
Yacht Code (REG LY3/PYC) E4. Cruise, offshore energy and auxiliary/specialised fleets: Red Ensign Group large-yacht code.
Yacht code recognition X7. Flag State, Port State Control and Detention Vocabulary: Flag-state acceptance of LY3, REG and PYC large yacht codes for statutory certification.
Yacht Coding Survey X155. Marine Surveying Practice and Cargo Inspection: An inspection of a commercial yacht against the relevant MCA Large Yacht Code by an authorized surveyor.
Yacht Crew Help X154. Maritime Welfare, Seafarer Charities, and MLC Rights: ISWAN's helpline dedicated to crew on superyachts, complementing SeafarerHelp.
Yacht Cyber Code X139. Maritime Cybersecurity, OT Threats and Standards: REG Yacht Code Part A and Part B updates incorporating cyber considerations for large yachts since 2023.
Yacht Distress X80. Maritime Search and Rescue Coordination: SAR cases involving pleasure craft requiring specific coordination.
Yacht enamel X45. Marine Paints, Coatings and Antifouling: High-gloss alkyd or polyurethane finish marketed for yacht topsides.
Yacht Express X81. Project Cargo, Heavy-Lift and Module Carriers: Dockwise yacht-carrier vessel used for transporting large yachts on a semi-submersible deck.
Yacht Haven Grande X156. Superyacht Industry, Builders, and Yacht Charter Market: Superyacht marina at Charlotte Amalie, St Thomas, US Virgin Islands, offering berths for yachts up to about 100 meters.
Yacht Hull Cover X145. P&I Clubs, War Risk Insurers, and Marine Insurance Markets: Specialist yacht hull insurance offered by Pantaenius, EOS Risq, and Markel.
Yacht management X156. Superyacht Industry, Builders, and Yacht Charter Market: Service of operating a yacht on behalf of its owning company covering ISM, ISPS, MLC, accounting, crew, and technical functions.
Yacht Management Company X125. Superyacht Industry, Builders and Brokers: Firm providing crew, regulatory, and financial management for owners, examples being Burgess, Edmiston, Y.CO, and Fraser.
Yacht Master Class IV X156. Superyacht Industry, Builders, and Yacht Charter Market: Historic UK certificate that became the basis of the modern MCA Yacht Master qualifications.
Yacht Master Coastal F4. Recreational Boating, Yachting and Sport: RYA professional coastal qualification.
Yacht Notation X142. Classification Societies and Class Notations: Class service notation for commercial yachts.
Yacht Plus X125. Superyacht Industry, Builders and Brokers: Brand once associated with Aluminium Yachts ownership.
Yacht primer X165. Marine Coatings, Antifouling, and Hull Husbandry: Specialized lightweight primer for fiberglass and aluminum hulls, not generally used on commercial steel ships.
Yacht Racing Forum X119. Maritime Conferences, Trade Shows and Awards: Annual sailing and yacht industry conference launched 2008.
Yacht Support X125. Superyacht Industry, Builders and Brokers: Damen Yacht Support 53 to 75 m series for tender and helicopter logistics.
Yacht Survey X43. Marine Surveying and Warranty Surveying: A pre-purchase, insurance, or condition inspection of commercial and private yachts, often performed by surveyors qualified through bodies such as the IIMS.
Yacht Threat Profile E1. Maritime security, geopolitics and risk: Specialized risk for high-value pleasure craft transits.
Yacht Tug X137. Harbour Tugs, Towage Operators and Tug Builders: Compact harbour tug used in superyacht docking at marinas in Monaco, Mallorca and the Caribbean.
Yachting Australia F4. Recreational Boating, Yachting and Sport: Former name of Australian Sailing.
Yachting Heritage Museum F2. Maritime Culture, Heritage, Archaeology, Art and Museums: Various national institutions including Mystic Seaport's yacht collection.
Yachting Pages X125. Superyacht Industry, Builders and Brokers: Industry directory of suppliers.
Yachting Partners International X125. Superyacht Industry, Builders and Brokers: YPI, brokerage based in Monaco.
Yachting World F4. Recreational Boating, Yachting and Sport: UK monthly magazine, since 1894.
Yachtmaster Ocean F4. Recreational Boating, Yachting and Sport: RYA professional ocean qualification.
Yachtmaster Offshore F4. Recreational Boating, Yachting and Sport: RYA professional offshore qualification.
Yachts and Yachting F4. Recreational Boating, Yachting and Sport: Industry weekly UK magazine.
Yachts Invest X35. Yacht and Superyacht Industry: Monaco and French Riviera-based brokerage.
Yacumo-class X130. National Coast Guards and Cutter Fleets: Argentine Naval Prefecture (Prefectura Naval Argentina) 30-meter coastal patrol craft built by Tandanor.
Yaeyama X130. National Coast Guards and Cutter Fleets: Japan Coast Guard regional headquarters Okinawa, frontline for Senkaku Islands contingencies.
Yaeyama-class X77. Naval Mine Warfare and Mine Countermeasures: A class of three JMSDF ocean minesweepers commissioned in the early 1990s.
Yagi Antenna X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS: Directional VHF antenna form used in legacy MF and HF maritime communications shore installations.
Yagi-Like Pattern X68. Maritime Satcom and Telecommunications: Informal description of certain compact antenna radiation patterns occasionally seen in maritime accessories.
Yakutia X133. Polar Research Vessels and Polar Code Regimes: Fourth Project 22220 nuclear icebreaker, launched 2022, commissioned 2024 by Baltic Shipyard.
Yakutia, Project 22220 X52. Polar Code, Arctic and Antarctic Shipping: Fourth Project 22220 LK-60Ya nuclear icebreaker, floated out on 22 November 2022 at the Baltic Shipyard.
Yale Cordage F4. Recreational Boating, Yachting and Sport: US high-performance rigging line manufacturer.
Yale Sailing Team F4. Recreational Boating, Yachting and Sport: Long-established US collegiate sailing program.
Yalour Islands X97. Polar Expedition Cruise and IAATO Operations: Antarctic Peninsula island group with Adelie penguin colonies near the Argentine Islands.
Yalova Shipyards X113. Drydock and Ship Repair Yards: Turkish ship repair concentration around Altinova on the Sea of Marmara including Sefine, Tersan, and Cemre.
Yamaha Outboard X131. Commercial Fisheries, Trawler Fleets and Seafood Processors: Dominant outboard engine brand on Philippine, Indonesian and Pacific Island artisanal fishing bancas.
Yamal X52. Polar Code, Arctic and Antarctic Shipping: Russian Project 10520 nuclear icebreaker commissioned in 1992, operated by Atomflot.
Yamal (icebreaker) X27. Polar Code, Ice Navigation and Polar Operations: Arktika-class nuclear icebreaker (1992); operated by Atomflot.
Yamal LNG X27. Polar Code, Ice Navigation and Polar Operations: Russian Arctic LNG project at Sabetta exporting via Arc7 LNG carriers on the NSR.
Yamal Spirit X134. LNG and LPG Carrier Operators and Containment Systems: LNG carrier of 174,000 m3 delivered 2017 by Daewoo Shipbuilding for Seapeak Yamal feeder service.
Yamal-Europe Pipeline X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines: Onshore-dominant pipeline with offshore connections historically transmitting Russian gas westward.
Yamalmax X133. Polar Research Vessels and Polar Code Regimes: Informal class label for the 15 Christophe de Margerie series Arc7 LNG carriers.
Yamato Memorial Museum F2. Maritime Culture, Heritage, Archaeology, Art and Museums: Kure, Japan museum on the Imperial Japanese Navy.
Yamato, Japanese Battleship F1. Maritime History: Largest battleship ever built, sunk in 1945.
Yanbu Terminal Acceptance X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA: Saudi Aramco's Red Sea terminal-specific vetting overlay for calls at the Yanbu crude and product terminals.
Yang Ming Agency X86. Port Agency, Husbandry and Disbursement: Yang Ming Marine Transport Corporation's agency arrangements at calling ports.
Yang Ming Marine Transport X98. Ship Registries and Flag States: Taiwanese container line with vessels under Taiwan and Liberian flags.
Yang Ming Terminal X46. Container Terminal Operations: The terminal interests of Yang Ming Marine Transport Corporation, including stakes in Kao Ming Container Terminal at Kaohsiung.
Yang Tze 6 X124. Dredging Industry and Reclamation Contractors: CCCC inland hopper.
YangMing Reefer X136. Reefer Vessels and Cool Chain Operators: Taiwanese carrier reefer container fleet on transpacific and Asia-Europe services.
Yangon Marine Mechanical and Marine Engineering College X121. Maritime Education, Academies and Universities: Myanmar's specialized marine engineering college.
Yangon Maritime Training Centre F3. Seafaring Life, Education, Professions and Institutions: Myanmar national training provider.
Yangon Mercantile Marine College X55. Marine Simulators, Training and Maritime Academies: Maritime college in Yangon, Myanmar, training deck and engine officers.
Yangshan X124. Dredging Industry and Reclamation Contractors: Shanghai deep-water port reclamation by CCCC.
Yangshan Bunker Service X72. Bunkering Hubs and Bunker Suppliers: Bunker supply at the Port of Shanghai Yangshan deep water terminal by Chimbusco Sinopec and CNOOC Bunker.
Yangshan Deep-Water Port X138. Global Container Terminal Operators and Port Equipment: Shanghai's offshore container facility connected by Donghai Bridge, Phase IV opened December 2017 as the world's largest automated terminal at 6.3 million TEU annual capacity.
Yangshan Maritime Cluster F3. Seafaring Life, Education, Professions and Institutions: Shanghai's deep-water port cluster.
Yangshan Outbound X44. Shipping Indices, FFAs and Freight Markets: Container flows from Shanghai Yangshan port reflected in SCFI and FBX China outbound assessments.
Yangshan Phase IV X169. Container Terminal Cranes, Yard Equipment, and Lashing: Shanghai container terminal commissioned with fully automated STS, AGV, and ASC operation, the largest automated terminal at opening.
Yangshan Pilots X159. Marine Pilotage, Pilot Districts, and Pilots' Associations: Shanghai pilots specifically endorsed for the deep-water Yangshan container terminal via the Donghai Bridge approach.
Yangtze X33. Inland Navigation and Barge Operations: Chinese river of approximately 6,300 km with year-round navigation to Chongqing for ocean-going vessels of up to 5,000 dwt.
Yangtze Estuary Cable Crossing X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines: Crossing of multiple subsea cables at the Yangtze River mouth coordinated with shipping VTS.
Yangtze Estuary Recyclers X118. Ship Recycling Yards, Beaches and Regulation: Group of Chinese yards including Jiangyin Xiagang historically active before the 2018 import ban on solid waste including end-of-life ships.
Yangtze River X124. Dredging Industry and Reclamation Contractors: Continuous CCCC maintenance dredging for inland navigation.
Yangtze River Administration of Navigational Affairs (YRANA) X166. Inland Waterways, Ferries, RoRo, and Short Sea Shipping: The Chinese MOT agency administering navigation on the Yangtze.
Yangtze River plume X10. Marine Biology, Fisheries and Oceanography: Major freshwater plume entering the East China Sea.
Yangtze River Recycling Cluster X28. Ship Recycling and End-of-Life: Chinese recycling area including Jiangyin and other Jiangsu sites.
Yangtze River Simulator (WMU Dalian) X144. Bridge Simulators, Engine Room Simulators, and Maritime Training Equipment: Dalian Maritime University simulator with Yangtze hydrographic database.
Yangtze River Trade F1. Maritime History: Chinese inland junk trade.
Yangtzemax B5. Ship Types and Individual Vessels: Largest vessel able to navigate Yangtze River.
Yangyang-class X77. Naval Mine Warfare and Mine Countermeasures: A Republic of Korea Navy minelayer commissioned in 1998.
Yangzhou X111. Methanol, Ammonia and Alternative Marine Fuels: Chinese methanol producer member of the Methanol Institute.
Yangzhou Maritime Polytechnic F3. Seafaring Life, Education, Professions and Institutions: Chinese provincial training institution.
Yangzhou Reefer Plant X83. ISO Container Manufacturing and Leasing: CIMC reefer container manufacturing site in Yangzhou.
Yangzhou Ship Recycling X28. Ship Recycling and End-of-Life: Jiangsu-based ship recycling yard operating dry-dock and alongside dismantling.
Yangzijiang X111. Methanol, Ammonia and Alternative Marine Fuels: Chinese shipbuilder constructing methanol dual-fuel container ships including units in the A.P. Moller-Maersk methanol newbuild program.
Yangzijiang Marine Power X90. Marine Engine Specific Model Enumeration: Chinese builder licensed by MAN Energy Solutions to produce two-stroke marine main engines.
Yangzijiang Shipbuilding X29. Ship Sale and Purchase, Management Contracts and Valuation: Chinese private shipbuilder listed in Singapore.
Yankee Clipper F1. Maritime History: New England fast sailing packet of the mid-nineteenth century.
Yankee Flag F5. The Reference Layer: Glossary, Units, Signals and Information Sources: International Code of Signals letter Y, meaning "I am dragging my anchor."
Yankee Search (Historic) E2. Naval, defence and maritime law enforcement: Boarding/search procedure terminology.
Yankee Whalermen F2. Maritime Culture, Heritage, Archaeology, Art and Museums: Tradition memorialized at New Bedford.
Yankee-class X91. Submarines and Submarine Cable Systems: Soviet Project 667A ballistic missile submarine class, now retired.
Yanmar 12AYM-WGT X90. Marine Engine Specific Model Enumeration: Yanmar V12 marine diesel in the AYM family with high-performance turbocharging for commercial workboat duty.
Yanmar 4JH X90. Marine Engine Specific Model Enumeration: Yanmar small four-cylinder marine diesel widely used in sailing yachts and small powerboats.
Yanmar 4LV X90. Marine Engine Specific Model Enumeration: Yanmar four-cylinder marine diesel in the LV family for small commercial and pleasure craft.
Yanmar 6CXM X90. Marine Engine Specific Model Enumeration: Yanmar inline six-cylinder marine diesel in the CXM family for commercial and pleasure propulsion.
Yanmar 6EY X67. Marine Electrical Systems and Shore Power: Six-cylinder medium-speed Yanmar marine engine used as main and auxiliary on commercial vessels.
Yanmar 6EY18 X174. Marine Engine Maintenance, Overhaul, and Condition Monitoring: Yanmar 180 mm bore medium-speed four-stroke marine auxiliary engine for small to medium vessels.
Yanmar 6EY26 X174. Marine Engine Maintenance, Overhaul, and Condition Monitoring: Yanmar 260 mm bore medium-speed engine for marine auxiliary and small propulsion duty.
Yanmar 6EY26W B2. Marine Engineering: Yanmar four-stroke marine engine.
Yanmar 6EY33 X174. Marine Engine Maintenance, Overhaul, and Condition Monitoring: Yanmar 330 mm bore medium-speed engine for main propulsion on coastal and feeder ships.
Yanmar 6LP X90. Marine Engine Specific Model Enumeration: Yanmar inline six-cylinder marine diesel in the LP family for sport and pleasure boats.
Yanmar 6LY X90. Marine Engine Specific Model Enumeration: Yanmar inline six-cylinder marine diesel in the LY family for higher rated pleasure and light commercial craft.
Yanmar 8EY X67. Marine Electrical Systems and Shore Power: Eight-cylinder medium-speed Yanmar marine engine in the EY26 and EY33 ranges.
Yanmar 8LV X90. Marine Engine Specific Model Enumeration: Yanmar V8 marine diesel in the LV family for performance pleasure craft.
Yanmar Co X90. Marine Engine Specific Model Enumeration: Japanese engine manufacturer founded in 1912 producing the Yanmar Marine diesel range.
Yanmar GH240F B2. Marine Engineering: Yanmar high-speed marine engine.
Yanmar Marine X90. Marine Engine Specific Model Enumeration: Marine engine division of Yanmar Co offering high-speed and medium-speed diesels for pleasure and commercial vessels.
Yanmar UEC X174. Marine Engine Maintenance, Overhaul, and Condition Monitoring: Yanmar-licensed Mitsubishi UEC two-stroke engine variants produced for small to medium tonnage.
Yanmar YJP series X90. Marine Engine Specific Model Enumeration: Yanmar marine propulsion engine family for commercial workboat and small vessel duty.
Yanmar YM X90. Marine Engine Specific Model Enumeration: Yanmar legacy marine diesel family used in small commercial and pleasure craft.
Yantai X124. Dredging Industry and Reclamation Contractors: Chinese port dredging by CCCC.
Yantai CIMC Raffles X137. Harbour Tugs, Towage Operators and Tug Builders: Chinese yard building some larger tug-supply units.
Yantai Engineering and Technology College Maritime X121. Maritime Education, Academies and Universities: Chinese provincial maritime program in Shandong.
Yantai Marine College (Shandong Jiaotong University Weihai Marine Campus) X160. Maritime Academies, Universities, and STCW Certification: Chinese marine training institution in Shandong serving coastal and offshore officer cadets.
Yantai Salvage Bureau X60. Marine Salvage and Wreck Removal: Chinese state owned salvage bureau under the China Rescue and Salvage organization, with primary base at Yantai.
Yantar X62. Naval Warships and Combat Systems: Russian shipyard at Kaliningrad building Admiral Grigorovich-class frigates and other warships.
Yantar Shipyard X58. Shipbuilding Yards and Construction: USC shipyard at Kaliningrad, Russia, building frigates and research vessels.
Yantian X124. Dredging Industry and Reclamation Contractors: Shenzhen container port deepening.
Yantian Bunker X116. Global Bunker Anchorages, Hubs and Supply Infrastructure: Bunker supply at Shenzhen Yantian container port via Chimbusco and Sinopec.
Yantian Express (2019) X99. Marine Salvage Awards and SCOPIC: Container vessel that suffered a fire in the Atlantic Ocean, salved under LOF.
Yantian Express fire (2019) X163. Marine Accident Investigation Agencies and Landmark Inquiries: German-flag container ship that suffered a major fire in the North Atlantic on 3 January 2019, investigated by the German BSU.
Yantian International Container Terminals X138. Global Container Terminal Operators and Port Equipment: See Shenzhen YICT.
Yanyuan X124. Dredging Industry and Reclamation Contractors: Inland CCCC dredger.
Yaounde Architecture X22. Piracy, Maritime Security and Armed Protection: Multi-tier maritime coordination structure with the Interregional Coordination Centre in Yaounde and zonal centers including CRESMAC and CRESMAO.
Yaounde Code of Conduct X22. Piracy, Maritime Security and Armed Protection: 2013 instrument signed by 25 West and Central African states establishing the Yaounde Architecture for maritime security.
Yaoundé Code of Conduct (2013) E1. Maritime security, geopolitics and risk: ECCAS/ECOWAS framework for Gulf of Guinea security.
YAR 1974 X157. Marine Loss Adjusters, GA Practice, and Casualty Firms: York-Antwerp Rules 1974, widely used historically and still occasionally encountered in older bills of lading.
YAR 1994 X157. Marine Loss Adjusters, GA Practice, and Casualty Firms: York-Antwerp Rules 1994, adopted at the CMI Sydney Conference and widely incorporated in bills of lading worldwide.
YAR 2004 X157. Marine Loss Adjusters, GA Practice, and Casualty Firms: York-Antwerp Rules 2004, criticized by shipowners for restricting recoveries (especially salvage and crew wages) and not widely adopted.
YAR 2016 X157. Marine Loss Adjusters, GA Practice, and Casualty Firms: Current York-Antwerp Rules adopted at the CMI New York Conference in 2016, restoring elements of YAR 1994.
YARA X25. Maritime Cybersecurity, OT and IT: Pattern matching tool for classifying and identifying malware samples.
Yara Anna X140. Ammonia as Marine Fuel and Hydrogen Shipping: Yara Clean Ammonia's flagship 38,000 m3 NH3 carrier earmarked for first ship-to-ship bunker pilot.
Yara Birkeland D6. Decarbonization, emissions and alternative fuels: Pioneering autonomous battery-electric container ship.
Yara Clean Ammonia X34. Decarbonization, Alternative Fuels and Carbon Pricing: Yara unit developing clean ammonia supply for marine fuel.
Yara Eyde X140. Ammonia as Marine Fuel and Hydrogen Shipping: Newbuild ammonia-fueled ammonia carrier announced by Yara and NCL with delivery 2026.
Yara International X109. Maritime Autonomous Surface Ships and MASS Code: The Norwegian fertilizer producer that owns and uses the Yara Birkeland for its coastal logistics.
Yara International ASA X140. Ammonia as Marine Fuel and Hydrogen Shipping: Oslo-listed world's largest ammonia trader with 36 percent Norwegian state ownership and 17 Mtpa global capacity.
Yara Marine X113. Drydock and Ship Repair Yards: Norwegian supplier of exhaust gas cleaning systems retrofitted under IMO 2020 compliance programs.
Yara Marine Technologies X34. Decarbonization, Alternative Fuels and Carbon Pricing: Supplier of SCR, scrubbers, and (with BAR) WindWings.
Yara NOxReducer X69. EGCS Scrubbers, SCR and Marine Air Emissions: Yara Marine Technologies SCR product line for marine diesel engines.
Yara Sluiskil X57. Ocean Energy Beyond Wind: Dutch ammonia plant whose CO2 emissions are slated for offshore storage via the Aramis project.
Yard F5. The Reference Layer: Glossary, Units, Signals and Information Sources: Spar set crosswise from a mast carrying a square sail.
Yard 372 X123. Offshore Wind Installation Vessels and Operators: COSCO Qidong yard number for Voltaire WTIV built for Jan De Nul.
Yard Acceptance Test X148. Maritime Cybersecurity, IACS Cyber Rules, and Incidents: The newbuilding test phase at which IACS UR E26 cyber design verification must be evidenced.
Yard alignment record X38. Propellers, Stern Gear and Shaft Lines: Documented alignment sheet recording bearing offsets, gaps, sags, and jack-up reactions on first installation.
Yard Allocation Notice X86. Port Agency, Husbandry and Disbursement: Notice of container yard allocation for inbound and outbound boxes.
Yard Apprenticeship F3. Seafaring Life, Education, Professions and Institutions: Shipyard trades training pathway.
Yard Approval X8. IACS, Class Rules and Class Notations: classification society recognition of a shipbuilder's quality and welding systems.
Yard Audit Frequency (HKC) X118. Ship Recycling Yards, Beaches and Regulation: Typically annual surveillance with three-year full audit cycle by Recognized Organizations.
Yard authorization X147. Ship Recycling, Hong Kong Convention, and Recycling Yards: The process under HKC Article 9 by which a Recycling State authorizes a specific facility to recycle ships.
Yard Authorization Number X28. Ship Recycling and End-of-Life: Identifier on the DASR or European List entry for a recycling facility.
Yard Authorization Renewal Cycle X50. Ship Recycling, Demolition and Hong Kong Convention: The five-year maximum validity period for the DASR.
Yard block X15. Ports, Terminals and Stevedoring: stacking module of rows, tiers, and bays.
Yard Boat X103. US Inland Waterway Towing and Barge: A small towboat employed in a barge yard or fleet for shifting work.
Yard broker X71. Shipbrokers and Brokerage Firms: Newbuilding broker representing the yard's interests in a contract.
Yard capacity in LDT X147. Ship Recycling, Hong Kong Convention, and Recycling Yards: Annual throughput capacity, typically published as part of EU List applications and HKC SoC audits.
Yard Capacity in LDT per Year X50. Ship Recycling, Demolition and Hong Kong Convention: The annual recycling capacity measure used in EU List screening and HKC entry-into-force calculations.
Yard Capacity LDT per Year X28. Ship Recycling and End-of-Life: Annual maximum recycling capacity declared by the facility.
Yard Carpenters' Tradition F2. Maritime Culture, Heritage, Archaeology, Art and Museums: Heritage trade of shipyard joiners and shipwrights.
Yard Communications Report X50. Ship Recycling, Demolition and Hong Kong Convention: The HKC Regulation 17 yard reporting to the competent authority.
Yard Crane X169. Container Terminal Cranes, Yard Equipment, and Lashing: Generic term covering RTG, RMG, and ASC cranes that handle containers within the storage area.
Yard Cyber Acceptance X48. Maritime Cybersecurity: Cyber acceptance activities conducted at the shipyard during newbuild delivery, increasingly aligned to IACS UR E26.
Yard date X170. SOLAS 1974 Convention: Chapter-by-Chapter Glossary: Date of contract for construction; used with keel-laying and delivery dates for amendment applicability in SOLAS II-1.
Yard delivery X42. Offshore Wind Installation and Cable Lay: Handover milestone at which a fabricator transfers a monopile, transition piece, or jacket to the developer.
Yard density C4. Ports, terminals and coastal/marine civil engineering: Container slots per hectare in a terminal yard.
Yard Environmental Management System X50. Ship Recycling, Demolition and Hong Kong Convention: The ISO 14001 or ISO 30005 based management system underpinning HKC compliance.
Yard equipment X15. Ports, Terminals and Stevedoring: collective term for RTG, RMG, SC, RS, TT.
Yard Familiarization Training X160. Maritime Academies, Universities, and STCW Certification: Shipyard based handover training delivered to chief engineers and senior officers prior to delivery of newbuild vessels.
Yard guarantee X19. Engine Room Watchkeeping and UMS Operations: Builder's guarantee period during which defects in machinery are remedied by the yard.
Yard Hot Work Permit Register X50. Ship Recycling, Demolition and Hong Kong Convention: The yard records demonstrating hot work permit issuance for audit purposes.
Yard improvement X175. Port Engineering, Dredging, Breakwaters, and Quays: Programme of dredging, reclamation, and quay construction within a port or shipyard to deepen berths, widen aprons, and modernize handling areas.
Yard inclining test B4. Shipbuilding, Materials, Sea Trials, Retrofits and Recycling: Builder's inclining experiment.
Yard Inspection Report X118. Ship Recycling Yards, Beaches and Regulation: Document compiled by the Class or Competent Authority after on-site inspection.
Yard Installment X49. Ship Finance, Leasing and Maritime Capital Markets: Scheduled payment from a buyer to a shipyard during the construction period.
Yard inventory X15. Ports, Terminals and Stevedoring: real-time count of containers in stack by status.
Yard Layout Plan X28. Ship Recycling and End-of-Life: Drawing of impermeable cutting areas, hazardous storage cells, and worker facilities required under HKC.
Yard Maintenance (Sanctions Exposure) X151. Maritime Sanctions, Dark Fleet, and Price Cap Regimes: Drydocking of dark-fleet tonnage at non-IACS yards, raising classification and pollution-prevention concerns.
Yard Move X83. ISO Container Manufacturing and Leasing: Internal movement of a container within a terminal or depot.
Yard Number X29. Ship Sale and Purchase, Management Contracts and Valuation: Hull number assigned by builder at keel laying.
Yard period X19. Engine Room Watchkeeping and UMS Operations: Drydocking interval, typically 30 to 60 months, used to plan overhauls.
Yard plan X15. Ports, Terminals and Stevedoring: layout of blocks and traffic lanes within the terminal.
Yard planner C3. Logistics, freight forwarding and multimodal trade: TOS module for container yard planning.
Yard plug X26. Reefer Containers and Cold Chain Logistics: Depot reefer power outlet, often 32 A, 440 V 3-phase 60 Hz.
Yard primer X45. Marine Paints, Coatings and Antifouling: Shop-applied weldable primer maintaining cleanliness of plate during fabrication.
Yard repair C2. Ship operations, crewing and technical management: Repair work carried out at a shipyard.
Yard Repair Survey X155. Marine Surveying Practice and Cargo Inspection: An attending surveyor's record of repairs completed at a shipyard, supported by photographs, NDT reports, and class endorsement.
Yard Slot X161. Shipbroking, Freight Derivatives, and Baltic Indices: Newbuilding berth at a shipyard reserved by an owner for vessel construction under SAJ, AWES, NEWBUILDCON, or bespoke forms.
Yard Stay X14. Offshore Oil and Gas Marine Operations: Period vessel/rig spends at shipyard for maintenance or modification.
Yard Storage Footprint X50. Ship Recycling, Demolition and Hong Kong Convention: The dedicated area at the recycling facility for hazardous waste storage, required under MEPC.211(63).
Yard Survey X5. Marine Surveying and Inspection: Class attendance at shipyard during newbuild or repair.
Yard Tow X103. US Inland Waterway Towing and Barge: A tow made up entirely within a fleeting area for local movement.
Yard Towing X167. Major Salvage Companies, Wreck Removals, and Equipment: Final tow from refloat site to dismantling yard such as Aliaga or Genoa for recycling.
Yard tractor C3. Logistics, freight forwarding and multimodal trade: Terminal tractor moving chassis or mafis.
Yard Tractor Heavy X104. Project Cargo Forwarders and Heavy Transport: Terminal tractor used to shunt project trailers around fabrication and port yards.
Yard tractor pool C4. Ports, terminals and coastal/marine civil engineering: Pool of terminal tractors managed under TOS.
Yard Trial X139. Maritime Cybersecurity, OT Threats and Standards: Sea trial milestone increasingly including cyber commissioning per IACS UR E26 Section 5.
Yard trial failure X12. Maritime Casualties and Investigation: Defect surfacing on builder's sea trials that, if undocumented, can become a latent failure factor later.
Yard Tug E4. Cruise, offshore energy and auxiliary/specialised fleets: Shipyard maneuvering tug.
Yard tug bollard pull B2. Marine Engineering: Standard performance metric tied to propulsion design.
Yard Vendor Financing X49. Ship Finance, Leasing and Maritime Capital Markets: Credit extended by a shipyard, sometimes alongside an ECA wrapped commercial loan.
Yard-Long Splice F5. The Reference Layer: Glossary, Units, Signals and Information Sources: Long rope splice for running rigging.
Yard, Royal Navy F1. Maritime History: Royal Dockyards at Portsmouth, Plymouth, and Chatham among others.
Yardarm F5. The Reference Layer: Glossary, Units, Signals and Information Sources: Outer end of a yard.
Yardco X125. Superyacht Industry, Builders and Brokers: Common contract counterparty name for builds where ownership is held in a special purpose vehicle.
Yarding X103. US Inland Waterway Towing and Barge: The act of shifting barges within a fleeting area.
Yardstick Handicap (RYA Portsmouth Yardstick) F5. The Reference Layer: Glossary, Units, Signals and Information Sources: Dinghy handicap system in the UK.
Yare X125. Superyacht Industry, Builders and Brokers: La Spezia held refit and aftercare event.
Yarimca Yilport X138. Global Container Terminal Operators and Port Equipment: Yilport's Turkish Sea of Marmara terminal, 1.3 million TEU capacity, the group's flagship.
Yarmouth Beach Yawl F2. Maritime Culture, Heritage, Archaeology, Art and Museums: Norfolk lifeboat-style craft.
Yarmouth, Great X39. Pre-1900 Maritime History: Norfolk port long associated with the North Sea herring fishery.
Yarn X9. Cargo Securing, Lashing and Stability Vocabulary: Constituent of fibre rope; quality affects BL.
Yarrow Boiler X20. LNG Operations and Custody Transfer: Historic marine boiler type fitted on older steam turbine LNGCs.
Yas (yacht) X125. Superyacht Industry, Builders and Brokers: 141 m converted Dutch warship.
Yasen class X11. Naval Vessels, Warship Systems and Naval Architecture: Russian Project 885 SSGN.
Yasen-M X11. Naval Vessels, Warship Systems and Naval Architecture: Improved Project 885M variant, lead boat Kazan.
Yaw B1. Naval Architecture: Rotational motion about the vertical axis.
Yaw alarm X170. SOLAS 1974 Convention: Chapter-by-Chapter Glossary: BNWAS audible alarm escalation pattern per IMO MSC.128(75), with bridge, officer-back-up, and master/wider alarms.
Yaw bearing X42. Offshore Wind Installation and Cable Lay: Large slewing ring rotating the nacelle relative to the tower to align with wind direction.
Yaw checking ability B1. Naval Architecture: Maneuvering criterion for stopping a yaw rate.
Yaw drive X42. Offshore Wind Installation and Cable Lay: Geared electrical drive rotating the nacelle on the yaw bearing.
Yaw motor X59. Offshore Wind O&M, CTVs and SOVs: Individual electric motor in the yaw drive assembly, a recurring fault category requiring replacement during O&M visits.
Yaw System X105. Offshore Wind Farm Installation and Vessels: Turbine subsystem that rotates the nacelle about the tower axis to align the rotor with the wind direction.