Glossary

Maritime glossary, terms beginning with J

All maritime glossary terms that begin with the letter J, drawn from every subject section. 667 entries.

Showing 250 of 667 terms (page 1 of 3).

J advance ratio X162. Naval Architecture, Stability, Resistance, and Structural Design: See Advance ratio J.
J Class F4. Recreational Boating, Yachting and Sport: Universal Rule yachts of the America's Cup era 1930 to 1937.
J Configuration X126. Marine Oil Spill Response and OPRC Regimes: Asymmetric boom deployment with one tow vessel and one anchor for concentrating oil at the apex.
J F J De Nul X175. Port Engineering, Dredging, Breakwaters, and Quays: Self-propelled cutter suction dredger operated by Jan De Nul Group.
J value (advance coefficient) X38. Propellers, Stern Gear and Shaft Lines: J = Va / (n D), the ordinate of open-water KT and KQ curves.
J-Lay X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines: Pipeline installation method that lowers pipe vertically through a tower for deepwater rigid lines.
J-Tube X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines: Curved steel conduit on platform legs and monopiles through which cables and small pipelines transition between seabed and topside.
J.P. Sauer & Sohn X63. Marine Auxiliary Machinery and Pumps: German manufacturer of reciprocating piston air compressors for marine starting and service air.
J.P. Sauer WP X63. Marine Auxiliary Machinery and Pumps: Sauer reciprocating piston compressor for working pressure service.
J/105 F4. Recreational Boating, Yachting and Sport: One-design asymmetric-kite keelboat designed by Rod Johnstone.
J/22 X84. Yacht Racing, Regattas and Sailing Governance: A one-design 22-foot keelboat designed by Rod Johnstone in 1983.
J/24 X84. Yacht Racing, Regattas and Sailing Governance: A one-design 24-foot keelboat designed by Rod Johnstone in 1977, with a worldwide class fleet.
J/70 F4. Recreational Boating, Yachting and Sport: International one-design sportsboat with over 1,500 hulls built.
J/80 F4. Recreational Boating, Yachting and Sport: International one-design sport keelboat.
J/T plot (relative) B3. Nautical Science: Time-versus-bearing plot of ARPA targets.
J2/N2A Rosette X96. Hull Integrity Monitoring and Strain Gauges: Vishay Micro-Measurements designation pattern for two-element 90 degree rectangular rosette strain gauges.
Jaakonmeri Test Area X109. Maritime Autonomous Surface Ships and MASS Code: The Finnish autonomous shipping test area in the Gulf of Bothnia designated for MASS trials.
Jachthuis X125. Superyacht Industry, Builders and Brokers: Dutch word for yacht house, applied historically to several Feadship designs.
Jack X3. Ship Handling, Seamanship and Deck Vocabulary: Small flag flown at the bow.
Jack and Pack X104. Project Cargo Forwarders and Heavy Transport: Lift method using hydraulic jacks and cribbing to raise a load incrementally.
Jack Leg X83. ISO Container Manufacturing and Leasing: Removable support leg on chassis or flatrack used during loading and unloading.
Jack mackerel X10. Marine Biology, Fisheries and Oceanography: Schooling pelagic of the genus *Trachurus*.
Jack Mackerel (Trachurus murphyi) X131. Commercial Fisheries, Trawler Fleets and Seafood Processors: South Pacific pelagic species managed by SPRFMO, with a 2024 TAC of around 950,000 tonnes.
Jack Tar X39. Pre-1900 Maritime History: Colloquial term for a British seaman, recorded from the early eighteenth century.
Jack Up Lift X167. Major Salvage Companies, Wreck Removals, and Equipment: Use of jack-up vessels with cranes such as Conquest MB1 to lift wreck sections in shallow water.
Jack-up X42. Offshore Wind Installation and Cable Lay: Vessel with retractable legs that elevates the hull above the sea surface to provide a stable platform for installation.
Jack-up berth X15. Ports, Terminals and Stevedoring: berth where mobile jack-up units load offshore wind components.
Jack-up method (alignment) X38. Propellers, Stern Gear and Shaft Lines: Shaft alignment technique measuring bearing reactions by hydraulic jacking to verify load distribution.
Jack-Up Move Survey X43. Marine Surveying and Warranty Surveying: A marine warranty attendance covering rig moves, jacking operations, and site assessment for jack-up drilling units.
Jack-Up Rig E4. Cruise, offshore energy and auxiliary/specialised fleets: MODU with retractable legs deployed to seabed.
Jack-Up Vessel X105. Offshore Wind Farm Installation and Vessels: Self-elevating installation vessel with retractable legs that lifts its hull above the sea surface, the dominant platform for turbine erection.
Jacket X6. Container, Intermodal and Trade Codes: Outer protective casing on a tank container.
Jacket cooling water B2. Marine Engineering: HT cooling loop around cylinder block.
Jacket foundation X42. Offshore Wind Installation and Cable Lay: Tubular steel lattice substructure pinned to the seabed, used at Beatrice, Wikinger, East Anglia ONE, and others.
Jacket inspection X59. Offshore Wind O&M, CTVs and SOVs: Structural inspection of a steel jacket foundation, including joints, anodes, and grouted connections.
Jacket Launch X81. Project Cargo, Heavy-Lift and Module Carriers: Offshore operation in which a steel platform jacket is slid off a launch barge for upending and installation.
Jacket pile X42. Offshore Wind Installation and Cable Lay: Driven or drilled pile fixing each leg of a jacket to the seabed.
Jacket transition piece X59. Offshore Wind O&M, CTVs and SOVs: Connecting structure between a jacket foundation and the turbine tower flange.
Jacket Water Cooler X63. Marine Auxiliary Machinery and Pumps: Plate or shell-and-tube heat exchanger transferring engine jacket water heat to seawater.
Jacket Water Pump X63. Marine Auxiliary Machinery and Pumps: Pump circulating fresh water through the main engine jacket cooling system.
Jacking Bar X9. Cargo Securing, Lashing and Stability Vocabulary: Hand tool for releasing twistlocks.
Jacking Frame X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines: Tooling used during subsea pipeline tie-in spool installation to align flanges and hubs.
Jacking System X13. Marine Salvage and Wreck Removal: Strand jacks used for parbuckling and lifting heavy wreck sections.
Jacking system (load-out) B4. Shipbuilding, Materials, Sea Trials, Retrofits and Recycling: Hydraulic jacks for SPMT load-out.
Jacking Tower X104. Project Cargo Forwarders and Heavy Transport: Frame of stackable modules within which strand jacks lift a project unit.
Jackson Parton X114. Maritime Arbitration and Shipping Law Firms: London shipping law firm with a sole practitioner founder Stephen Jackson.
Jacksonville JAXPORT X138. Global Container Terminal Operators and Port Equipment: US East Coast container port operating Blount Island and Dames Point terminals.
Jacksonville LNG Bunkering X110. LNG Bunkering Infrastructure and Vessels: LNG bunkering operations at the Port of Jacksonville, Florida, supported by the Crowley LNG bunker barge.
Jacksonville Pilots X159. Marine Pilotage, Pilot Districts, and Pilots' Associations: Florida state-commissioned pilot association serving the St Johns River and JAXPORT terminals.
JackUp barge X57. Ocean Energy Beyond Wind: Self-elevating vessel used to install tidal turbine foundations, wave device piles, and CCS subsea structures.
Jackup Rig X153. Offshore Drilling Rigs, FPSOs, and Offshore Vessels: Self-elevating MODU with three or more legs that are lowered to the seabed to lift the hull above sea level.
Jackup Rig Deck X104. Project Cargo Forwarders and Heavy Transport: Topside module of a jackup drilling rig, frequently moved as a project unit.
Jackup Towage X60. Marine Salvage and Wreck Removal: Wet tow or dry transport of offshore jackup rigs, requiring detailed marine warranty engineering.
Jacobs Ladder F5. The Reference Layer: Glossary, Units, Signals and Information Sources: Rope or wire ladder used for boarding pilots and others.
Jacobsen pilot ladder X15. Ports, Terminals and Stevedoring: rigid combination ladder used in pilot embarkation.
Jacques Cartier X124. Dredging Industry and Reclamation Contractors: DEME TSHD of 8,400 m3.
Jacuzzi deck X24. Cruise, Passenger Ship and Ferry Operations: Whirlpool spa area, typically on the upper decks.
Jadavpur University Department of Ocean Engineering and Naval Architecture X121. Maritime Education, Academies and Universities: Kolkata, founded 1968, India's pioneering naval architecture department.
JADE 1 X57. Ocean Energy Beyond Wind: Pilot tidal stream project name used in early Verdant Power Roosevelt Island documentation.
Jade Hochschule Elsfleth X160. Maritime Academies, Universities, and STCW Certification: German Jade University of Applied Sciences nautical campus in Elsfleth Lower Saxony delivering nautical sciences and shipping management programs.
JadeWeser Port X138. Global Container Terminal Operators and Port Equipment: Eurogate's Wilhelmshaven facility, Germany's only deep-water container terminal accommodating 23,000 TEU vessels.
JadeWeserPort X15. Ports, Terminals and Stevedoring: deepwater container port in Wilhelmshaven, Germany.
Jadrolinija X132. High-Speed Craft, Hydrofoils and Ferry Operators: Croatian state-owned operator headquartered in Rijeka, running coastal and Adriatic international services with catamarans and ro-pax.
Jadwin X124. Dredging Industry and Reclamation Contractors: USACE dustpan dredger working the Lower Mississippi.
JAIC (Joint Accident Investigation Commission, Estonia) X163. Marine Accident Investigation Agencies and Landmark Inquiries: Joint Estonian-Finnish-Swedish commission that investigated the MV Estonia casualty and issued its final report in December 1997.
Jaipur X124. Dredging Industry and Reclamation Contractors: NMDC inland reservoir CSD project.
JAK Coupler X79. Tugs and Towage Industry: Japanese-origin articulated tug barge coupling system designed by Tokyo Kisen-derived engineering.
Jakarta Bay X124. Dredging Industry and Reclamation Contractors: Indonesian National Capital Integrated Coastal Development giant seawall plan, partial works to Penta-Ocean and Dutch contractors.
Jakarta Bunkering X116. Global Bunker Anchorages, Hubs and Supply Infrastructure: Indonesian Tanjung Priok anchorage supplied by Pertamina Patra Niaga.
Jakarta International Container Terminal X138. Global Container Terminal Operators and Port Equipment: JICT, Jakarta facility 49 percent owned by Hutchison Ports under joint venture with Pelindo II.
Jakarta International Maritime Expo X119. Maritime Conferences, Trade Shows and Awards: Annual Indonesian maritime trade show since 2014.
Jakarta Provisioning X120. Marine Catering, Provisions and Ship Chandlers: Tanjung Priok hub served by Indonesian National Shipsuppliers Association (INSA) members.
Jakobshavn Glacier (Sermeq Kujalleq) X27. Polar Code, Ice Navigation and Polar Operations: Greenland tidewater glacier, principal North Atlantic iceberg source.
Jakobstad X35. Yacht and Superyacht Industry: Finnish port and home of Baltic Yachts.
JAKOTA Cruise Systems X74. AIS Data, Vessel Tracking and Maritime Intelligence: German parent company of FleetMon.
Jamaica PSC X66. Port State Control and Regional MOUs: Caribbean MOU member State.
Jamaica Ship Registry (MAJ) X156. Superyacht Industry, Builders, and Yacht Charter Market: Registry of the Maritime Authority of Jamaica, a Red Ensign neighbor used for some yacht registrations.
James Craig X128. Sail Training Ships and Tall Ship Associations: Australian 1874 three masted iron barque restored at Sydney 1972 to 2001, 54 m length, operated by Sydney Heritage Fleet for limited sail training voyages.
James Fisher Marine Services X82. Saturation Diving and Offshore Diving Operations: UK marine services group with diving and decommissioning capability.
James River X124. Dredging Industry and Reclamation Contractors: USACE maintenance scope with annual GLDD awards.
James Watt Dock X57. Ocean Energy Beyond Wind: Glasgow site historically associated with Pelamis Wave Power testing logistics.
James, USCGC (WMSL-754) X130. National Coast Guards and Cutter Fleets: Fifth Legend-class National Security Cutter, commissioned 2015, homeported Charleston, South Carolina.
Jamestown Settlement Ships F2. Maritime Culture, Heritage, Archaeology, Art and Museums: Replicas of Susan Constant, Godspeed, and Discovery.
Jammer X84. Yacht Racing, Regattas and Sailing Governance: A line-holding device used in conjunction with winches to lock off a load.
Jamming X25. Maritime Cybersecurity, OT and IT: Radio frequency interference denying use of a service such as GNSS or VSAT.
Jamming (ice) X27. Polar Code, Ice Navigation and Polar Operations: Becoming beset in compressing pack ice.
Jamming Detector X148. Maritime Cybersecurity, IACS Cyber Rules, and Incidents: A receiver feature (AGC monitoring, C/N0 anomaly detection) used to flag GNSS denial events at sea.
Jamnagar X56. LNG/LPG Carriers and IGC Code: Indian port city in Gujarat with significant LPG import and refining infrastructure, served by VLGCs and MGCs.
Jamnagar Bunker Service X72. Bunkering Hubs and Bunker Suppliers: Limited bunker supply by Reliance Industries at Jamnagar marine terminals serving SEZ vessels.
Jamnagar Steel Recyclers X50. Ship Recycling, Demolition and Hong Kong Convention: Downstream re-rollers in Gujarat consuming demolition plate from Alang-Sosiya.
JAMS X114. Maritime Arbitration and Shipping Law Firms: Judicial Arbitration and Mediation Services, United States provider of ADR with occasional maritime mandates.
JAMS arbitration X152. Maritime Arbitration and Dispute Resolution: US-based ADR provider sometimes used for maritime disputes between US parties as alternative to SMA.
Jamshedpur X92. Marine Steel Suppliers and Shipbuilding Plate: Tata Steel integrated steelworks in Jharkhand, India, the company's original plant.
Jan De Nul X42. Offshore Wind Installation and Cable Lay: Belgian marine contractor operating Voltaire, Vole au vent, Taillevent, and cable installation assets including Isaac Newton and Fleeming Jenkin.
Jan De Nul Group X105. Offshore Wind Farm Installation and Vessels: Belgian marine contractor operating WTIV Voltaire, floating heavy-lift vessel Les Alizes, and cable lay vessels Isaac Newton, Connector, and Willem de Vlamingh.
JAN-2000 X89. ECDIS and Bridge Equipment Makers: Recent JRC ECDIS model in the JAN line.
JAN-7201 X89. ECDIS and Bridge Equipment Makers: JRC ECDIS in the JAN-7000 family approved to IMO Resolution MSC.232(82).
JAN-901B X89. ECDIS and Bridge Equipment Makers: JRC ECDIS model fitted aboard many merchant vessels in the 2010s.
JAN-9201 X89. ECDIS and Bridge Equipment Makers: JRC ECDIS in the JAN-9000 family with 26 inch display option.
Jangada X39. Pre-1900 Maritime History: A Brazilian sailing raft of pre-Columbian origin still used by inshore fishermen.
Jansen JDX2 X137. Harbour Tugs, Towage Operators and Tug Builders: Render-recover towing winch design fitted to several European escort tugs.
Janssonius X97. Polar Expedition Cruise and IAATO Operations: Oceanwide Expeditions ship delivered in 2021 with 174 PAX, sister vessel to Hondius.
Jansz-Io Subsea Tieback X153. Offshore Drilling Rigs, FPSOs, and Offshore Vessels: Long-distance subsea production tieback to the Gorgon LNG plant in Australia.
Janus Sales Memorandum X50. Ship Recycling, Demolition and Hong Kong Convention: A demolition broker term for the dual-listing of a vessel to both operating and recycling markets simultaneously.
Japan (Price Cap Member) X151. Maritime Sanctions, Dark Fleet, and Price Cap Regimes: A Coalition state whose participation involved a temporary domestic carve-out for Sakhalin-2 LNG-linked crude.
Japan Agency for Marine Earth Science and Technology Education X121. Maritime Education, Academies and Universities: JAMSTEC outreach, Yokosuka, science-focused.
Japan Coast Guard X73. Marine Hydrography, Charting and ENC: JCG, the agency under which JHOD operates.
Japan Coast Guard Academy X121. Maritime Education, Academies and Universities: Kure, Hiroshima, founded 1951, training Japan Coast Guard officers.
Japan Fisheries Agency X87. Fishing Vessels and Fisheries Management: National authority administering Japanese fishing fleet and RFMO commitments.
Japan Hull Pool X145. P&I Clubs, War Risk Insurers, and Marine Insurance Markets: Japanese domestic hull insurance market.
Japan Hydrographic and Oceanographic Department X73. Marine Hydrography, Charting and ENC: JHOD, part of the Japan Coast Guard in Tokyo.
Japan International Boat Show X119. Maritime Conferences, Trade Shows and Awards: Annual Yokohama leisure boating exhibition since 1962.
Japan International Shipping Conference X119. Maritime Conferences, Trade Shows and Awards: Annual Tokyo conference convened by the Japanese Shipowners' Association.
Japan Marine Education Association X121. Maritime Education, Academies and Universities: Industry body coordinating private STCW providers.
Japan Marine Science X60. Marine Salvage and Wreck Removal: Japanese marine services company involved in salvage and survey operations.
Japan Marine United X42. Offshore Wind Installation and Cable Lay: Shipyard active in offshore wind support vessel construction for the Japanese market.
Japan Marine United (JMU) X29. Ship Sale and Purchase, Management Contracts and Valuation: Japanese shipbuilder formed by IHI and Universal merger.
Japan Marine United Cadet Programme F3. Seafaring Life, Education, Professions and Institutions: Japanese shipbuilder training program.
Japan Maritime Self-Defense Force X77. Naval Mine Warfare and Mine Countermeasures: The JMSDF maintains one of the largest dedicated MCM forces in the world, with classes including Hatsushima, Yaeyama, Sugashima, Hirashima, and Awaji.
Japan Maritime Self-Defense Force Memorial Ship Mikasa F2. Maritime Culture, Heritage, Archaeology, Art and Museums: Preserved at Yokosuka.
Japan METI X109. Maritime Autonomous Surface Ships and MASS Code: The Japanese Ministry of Economy, Trade and Industry, the agency that sponsors autonomous vessel demonstration projects such as MEGURI 2040.
Japan P&I Club X53. Marine Insurance, P&I and Hull Clauses: The Japan Ship Owners' Mutual Protection and Indemnity Association, an International Group P&I club serving primarily Japanese-flag and Japanese-managed tonnage.
Japan PSC X66. Port State Control and Regional MOUs: Tokyo MOU founding member; PSC conducted by Japan Coast Guard; hosts the Tokyo MOU Secretariat.
Japan Reefer Trade X136. Reefer Vessels and Cool Chain Operators: Imports of beef, pork, salmon, and tropical fruit through Tokyo, Yokohama, and Osaka in reefer containers from Australia, North America, and South America.
Japan Sea X10. Marine Biology, Fisheries and Oceanography: Marginal sea of the western Pacific, also called the East Sea.
Japan Sea Spatial Plan X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines: National marine spatial planning effort under Japan's Basic Act on Ocean Policy.
Japan Ship Registry X98. Ship Registries and Flag States: National registry administered by the Ministry of Land, Infrastructure, Transport and Tourism, MLIT.
Japan Shipping Exchange X114. Maritime Arbitration and Shipping Law Firms: Tokyo institution that administers TOMAC arbitrations.
Japan Trade F1. Maritime History: Dejima-era seventeenth to nineteenth century Dutch maritime commerce.
Japan Transport Safety Board (JTSB) X163. Marine Accident Investigation Agencies and Landmark Inquiries: Japanese independent investigation authority established in 2008 under the Ministry of Land, Infrastructure, Transport and Tourism, whose marine accident investigation department succeeded the…
Japan-Guam-Australia (JGA) X122. Submarine Cable Laying, Repair Vessels and Operators: 9,500 km RTI consortium cable in service 2020, built by NEC linking Maroochydore, Piti and Minamiboso.
Japan-Korea Range X44. Shipping Indices, FFAs and Freight Markets: Discharge range referenced in many Panamax, Supramax, and Capesize time charter routes.
Japanese Distant Water Tuna Longline Fleet X87. Fishing Vessels and Fisheries Management: Fleet of freezer longliners targeting bigeye, bluefin, and albacore tuna in all three oceans.
Japanese operating lease C1. Commercial shipping, chartering, economics and finance: JOL, leveraged lease structure used in ship finance.
Japanese operating lease with call option C1. Commercial shipping, chartering, economics and finance: JOLCO, JOL with lessee purchase option.
Japanese Owners Group X135. Chemical Tanker Operators and IBC Code Cargoes: Includes Iino, NYK, MOL, K-Line and Asahi Tanker, traditionally dominant in intra-Asia chemical parcel trades.
Japanese Pole and Line Tuna Fleet X87. Fishing Vessels and Fisheries Management: Vessels using live bait and bamboo poles for skipjack tuna, particularly in Kochi and Kagoshima.
Japanese Port Coast Guard Liaison X86. Port Agency, Husbandry and Disbursement: Liaison with Japan Coast Guard for vessel calls at Japanese ports.
Japanese Provisioning X120. Marine Catering, Provisions and Ship Chandlers: Yokohama and Kobe hubs, with stores often inclusive of sashimi-grade fish and Japanese rice.
Japanese Saleform X161. Shipbroking, Freight Derivatives, and Baltic Indices: NIPPONSALE form maintained by the Japan Shipping Exchange used in some S&P transactions, particularly involving Japanese principals.
JAR-OPS 3 X31. Helicopter Operations on Ships: Joint Aviation Requirements for commercial helicopter operations, superseded by EASA Part-CAT.
JARE X133. Polar Research Vessels and Polar Code Regimes: Japanese Antarctic Research Expedition since 1956, operates Showa Station served by AGB Shirase.
Jasmine field X57. Ocean Energy Beyond Wind: UK North Sea hydrocarbon field referenced in basin-wide CCS storage capacity studies.
JASNAOE X162. Naval Architecture, Stability, Resistance, and Structural Design: Japan Society of Naval Architects and Ocean Engineers, formed 2007 by merger of the Society of Naval Architects of Japan (1897) and other regional societies.
Jason Clause A5. Maritime Law, private and commercial: General average clause permitting recovery where carrier negligence is excused.
Jason-3 D5. Coastal processes, sea-level, cryosphere and ocean observation science: NOAA-CNES altimetry satellite measuring sea surface height.
Jasper Cable System X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines: Trans-Pacific cable connecting Japan to the US West Coast, also known as JGA-North/South in some references.
JASTRAM steering gear X38. Propellers, Stern Gear and Shaft Lines: German maker of steering gears and rudders, including high-lift designs for inland and seagoing vessels.
Java Wrecks F2. Maritime Culture, Heritage, Archaeology, Art and Museums: Indonesian maritime archaeology of Tang and Song trade.
Jaw (Shark Jaw) X30. Tug Operations and Harbour Towage: Hydraulic chain stopper on AHTS vessels used for anchor handling.
Jawaharlal Nehru Port Authority X138. Global Container Terminal Operators and Port Equipment: JNPA, India's leading container port at Nhava Sheva, 6.4 million TEU handled in FY2024 across five terminals.
JAXPORT Cruise Terminal X164. Cruise Industry, Brands, Ship Classes, and Terminals: The Jacksonville, Florida cruise terminal at Dames Point used by Carnival Cruise Line.
Jay Cashman X42. Offshore Wind Installation and Cable Lay: US construction firm with US offshore wind interests historically.
Jayhawk, MH-60T X130. National Coast Guards and Cutter Fleets: USCG medium-range recovery helicopter, 45 airframes upgraded from MH-60J standard.
Jazan Refinery X104. Project Cargo Forwarders and Heavy Transport: Saudi Aramco refinery project with major heavy lift and modular cargo movements.
JBIC X49. Ship Finance, Leasing and Maritime Capital Markets: Japan Bank for International Cooperation, providing buyer and supplier credits for Japanese exports.
JBP X8. IACS, Class Rules and Class Notations: IACS Joint Bulker Project, the development project that produced CSR-BC.
JBS Sociedade SA X79. Tugs and Towage Industry: Portuguese towage operator providing harbor towage services at Portuguese ports.
JC 2010 Cyber Exclusion X117. Marine Insurance Markets, Captives and Reinsurance: Joint Committee 2010 cyber endorsement excluding loss from cyber-related causes, predecessor to LMA 5400 series.
JCC X117. Marine Insurance Markets, Captives and Reinsurance: Joint Cargo Committee, the body of LMA and IUA underwriters publishing cargo clauses including JCC Hull Cyber and JCC Cargo Cyber.
JCC (Japan Crude Cocktail) X17. Chartering, Shipbroking and Freight Trading: Price index sometimes referenced in LNG and Asian crude contracts of affreightment.
JCC Cargo Clauses X157. Marine Loss Adjusters, GA Practice, and Casualty Firms: Joint Cargo Committee clauses promulgated by Lloyd's Market Association.
JCC Hull Cyber Clause X117. Marine Insurance Markets, Captives and Reinsurance: The hull-side cyber exclusion published by the Joint Cargo Committee.
JCG Greenland X80. Maritime Search and Rescue Coordination: Joint Arctic Command coordinating SAR around Greenland.
JCG Survey Vessel Takuyo X129. Hydrographic Offices, Survey Vessels and Marine Cartography: Japan Coast Guard hydrographic survey ship operated by JHOD for offshore mapping under IHO standards.
JCOMM X27. Polar Code, Ice Navigation and Polar Operations: Joint WMO-IOC Technical Commission for Oceanography and Marine Meteorology; reorganized in 2019 into JCB.
JCOMM (Joint WMO-IOC Commission for Oceanography and Marine Meteorology) X129. Hydrographic Offices, Survey Vessels and Marine Cartography: Joint body whose remit included integrated ocean services, partially aligned with hydrographic needs before being restructured.
JCOMM Expert Team on Sea Ice (ETSI) X27. Polar Code, Ice Navigation and Polar Operations: Drives international sea ice symbology and chart standards.
JCOMMOPS D2. Hydrography, tides, waves, bathymetry and marine geology: Joint Technical Commission for Oceanography and Marine Meteorology in situ Observations Programme Support Centre.
JCPOA (Joint Comprehensive Plan of Action) X151. Maritime Sanctions, Dark Fleet, and Price Cap Regimes: The 2015 Iran nuclear deal, U.S. withdrawal from which (May 8 2018) triggered EO 13846 re-imposition.
JCPOA Snapback X151. Maritime Sanctions, Dark Fleet, and Price Cap Regimes: The mechanism under UNSCR 2231 permitting reimposition of pre-JCPOA UN sanctions, relevant to maritime trade screening.
JCY-1900 X89. ECDIS and Bridge Equipment Makers: JRC voyage data recorder and simplified VDR family.
JDI (Joint Declaration of Inspection) X2. Marine Bunker Fuels, Lubricants and Bunkering Operations: Pre-transfer checklist signed by master and barge officer covering hose connection, communications, and safety.
JDR Cable Systems X123. Offshore Wind Installation Vessels and Operators: UK inter-array and umbilical cable manufacturer in Hartlepool, supplies cables to East Anglia ONE and Hornsea projects.
Jeanie Johnston X128. Sail Training Ships and Tall Ship Associations: Irish three masted barque replica built 2002 at Blennerville Tralee, 47 m length, originally for sail training and Atlantic crossings, now museum vessel at Dublin.
Jeanne d'Arc Mission X102. Seafarer Welfare and Maritime Charities: Historic French Catholic mission to seafarers absorbed into the Stella Maris network in France.
Jeannette Expedition F1. Maritime History: 1879 Arctic expedition under De Long.
Jeannette, USS X39. Pre-1900 Maritime History: Polar exploration vessel crushed in Arctic ice in June 1881 during the De Long expedition.
Jeantot, Philippe X84. Yacht Racing, Regattas and Sailing Governance: French sailor who founded the Vendee Globe in 1989.
Jebel Ali X116. Global Bunker Anchorages, Hubs and Supply Infrastructure: UAE Dubai container terminal supplied by ENOC, distinct from Fujairah bunker market.
Jebel Ali Bunker Service X72. Bunkering Hubs and Bunker Suppliers: Bunker supply at Port Jebel Ali Dubai by ENOC, ADNOC Distribution, and Vitol.
Jebel Ali Free Zone Annual Forum X119. Maritime Conferences, Trade Shows and Awards: Annual logistics gathering hosted by DP World.
Jebel Ali Provisioning X120. Marine Catering, Provisions and Ship Chandlers: UAE hub with extensive Halal and bonded store availability.
Jeddah Amendment X127. Maritime Security, Anti-Piracy and PMSCs: 2017 amendment to the Djibouti Code of Conduct expanding scope to wider maritime security threats including terrorism, IUU fishing and smuggling.
Jeddah Islamic Port X138. Global Container Terminal Operators and Port Equipment: Saudi Arabia's principal Red Sea port operated by Red Sea Gateway Terminal RSGT and DP World South Container Terminal.
Jefferies Shipping X49. Ship Finance, Leasing and Maritime Capital Markets: Investment banking franchise active in US listed shipping equity and bond issuance.
Jeffersonville X103. US Inland Waterway Towing and Barge: The Indiana city across the Ohio River from Louisville, home to American Commercial Barge Line.
Jeju Trial Area X109. Maritime Autonomous Surface Ships and MASS Code: A Korean autonomous vessel test area in the waters around Jeju Island.
Jellicoe, Admiral Earl F2. Maritime Culture, Heritage, Archaeology, Art and Museums: Subject of biographical works in naval historiography.
Jelly Powder X120. Marine Catering, Provisions and Ship Chandlers: IMPA 550834 gelatin dessert powder, 1 kg pack, ambient store.
Jellyfish X10. Marine Biology, Fisheries and Oceanography: Gelatinous medusa of the phylum Cnidaria.
Jellyfish Bloom (Fishery Impact) X87. Fishing Vessels and Fisheries Management: Mass aggregation that can clog trawls and pumps, affecting pelagic and demersal fisheries.
Jellyfish Sediment Pile D2. Hydrography, tides, waves, bathymetry and marine geology: Misuse term; not standard.
Jenner and Block X114. Maritime Arbitration and Shipping Law Firms: United States firm with admiralty and aviation work in New York and Washington DC.
Jensen Sampler X115. Marine Bunker and Cargo Surveying: Brand of continuous drip sampler accepted for MARPOL Annex VI compliant sampling on bunker lines.
Jeppesen Marine X25. Maritime Cybersecurity, OT and IT: Boeing subsidiary providing ENC distribution and route planning, now Jeppesen by Bing Maritime.
Jeppesen RoutePlan B3. Nautical Science: Voyage planning service used commercially.
JERA X56. LNG/LPG Carriers and IGC Code: Japanese power generation joint venture between TEPCO and Chubu Electric, one of the largest LNG buyers in the world.
JERA Ammonia Co-firing X140. Ammonia as Marine Fuel and Hydrogen Shipping: Tokyo-based utility targeting 50 percent NH3 share at Hekinan plant by 2030.
Jerk-Pump Injection X174. Marine Engine Maintenance, Overhaul, and Condition Monitoring: Mechanical cam-driven fuel injection used on MC-C, RTA, and older medium-speed engines, with timing fixed by cam profile.
Jerrican X75. IMDG Code, Classes, Packing and Segregation: Rectangular metal or plastic packaging, codes 3A1, 3A2, 3B1, 3B2, 3H1, 3H2.
Jerrican (3A1, 3A2, 3B1, 3B2, 3H1, 3H2) X172. IMDG Code: Classes, Divisions, Segregation, and Key UN Numbers: UN spec packaging code for steel and plastics jerricans up to 60 L capacity.
Jersey X85. Ferries, Ro-Pax Operators and Routes: Channel Island served by Condor Ferries from Poole, Portsmouth, and St Malo.
Jersey Ship Registry X98. Ship Registries and Flag States: Crown Dependency register administered by Ports of Jersey within the British Red Ensign group.
Jervis Bay, HMS F1. Maritime History: Armed merchant cruiser lost defending convoy HX 84 in 1940.
Jervis's Squadron F1. Maritime History: Royal Navy Mediterranean force under Sir John Jervis culminating at Cape St. Vincent 1797.
Jet A-1 X1. Cargo Science, Commodities and Cargo Care: Aviation kerosene; cleanliness paramount.
Jet A1 contamination X116. Global Bunker Anchorages, Hubs and Supply Infrastructure: Risk in MGO supply when distillate transport contaminates marine grade with off-spec material.
Jet Drilling (Ice) D5. Coastal processes, sea-level, cryosphere and ocean observation science: Hot water drilling through ice shelves for instrument deployment.
Jet Drive X132. High-Speed Craft, Hydrofoils and Ferry Operators: Waterjet propulsor, dominant HSC propulsion above 30 knots, supplied by Rolls-Royce Kamewa, Wartsila, MJP and Hamilton.
Jet Drive (Fishing Vessel) X87. Fishing Vessels and Fisheries Management: Waterjet propulsion used in some shallow draft inshore vessels.
Jet ejector X19. Engine Room Watchkeeping and UMS Operations: Steam or water driven ejector creating vacuum for fresh water generator or condenser air removal.
Jet engines (icebreaker bow wash) X27. Polar Code, Ice Navigation and Polar Operations: Bubbler systems and water deluge used to reduce hull friction in ice.
Jet fire test X170. SOLAS 1974 Convention: Chapter-by-Chapter Glossary: Fire test scenario for offshore structures, referenced indirectly via the IGF Code Annex.
Jet Fuel Cargo Care X1. Cargo Science, Commodities and Cargo Care: Clean cargo; no anti-static tank coatings, no zinc surfaces.
Jet fuel coupling X19. Engine Room Watchkeeping and UMS Operations: Term applied loosely to high speed quick release bunker couplings on offshore vessels.
Jet Pump X63. Marine Auxiliary Machinery and Pumps: Pump using motive fluid through a venturi to entrain and pump a second stream.
Jet pump (eductor) B2. Marine Engineering: Stripping eductor used in cargo and bilge service.
Jet ring nozzles X175. Port Engineering, Dredging, Breakwaters, and Quays: Ring of high-pressure water jets around a drag head or cutter that fluidize cohesive soil to aid intake.
Jet Scrubber X69. EGCS Scrubbers, SCR and Marine Air Emissions: Wet scrubber configuration using high-velocity liquid jets to entrain and clean exhaust gas.
Jet Stream D1. Physical and chemical oceanography and marine meteorology: Narrow band of strong upper-tropospheric winds.
Jet thrust deduction B1. Naval Architecture: Thrust loss in waterjet systems analogous to t.
Jet Trencher X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines: Tracked or skidded subsea vehicle that fluidizes seabed sediments to embed cables and small pipelines.
Jet wash X45. Marine Paints, Coatings and Antifouling: High-pressure freshwater rinse to remove salts and contaminants before recoating.
Jet water X175. Port Engineering, Dredging, Breakwaters, and Quays: High-pressure water injected through nozzles on a drag head or cutter to mobilize sediment for pumping.
Jetfoil X132. High-Speed Craft, Hydrofoils and Ferry Operators: Boeing's trade name for the 929-100 and 929-115 fully submerged hydrofoils, with 250 to 285 passenger capacity.
Jets Suite X63. Marine Auxiliary Machinery and Pumps: Integrated vacuum sewage and treatment package from Jets Vacuum.
Jets Vacuum X63. Marine Auxiliary Machinery and Pumps: Norwegian manufacturer of vacuum collection systems for black water on cruise and offshore vessels.
Jetted Tub X41. Cruise Ship Public Health and VSP/USPH: Therapy whirlpool fitted with directional jets, subject to VSP Item 40 disinfection and turnover requirements.
Jetting agent X2. Marine Bunker Fuels, Lubricants and Bunkering Operations: Slop or fines-removal product used in fuel tank cleaning, not in fuel itself.
Jettison C1. Commercial shipping, chartering, economics and finance: Throwing cargo overboard to lighten the ship, may give rise to general average.
Jettison position X16. Nautical Science, Navigation and COLREGs: Logged position at which cargo or stores are jettisoned.
Jetty C4. Ports, terminals and coastal/marine civil engineering: Marine structure projecting from shore for berthing.
Jetty Boil-Off X20. LNG Operations and Custody Transfer: BOG generated during cargo transfer at jetty, returned via vapor arm to shore or vented to GCU per terminal design.
Jetty head X15. Ports, Terminals and Stevedoring: enlarged platform at the seaward end of a jetty.
Jetty hose X15. Ports, Terminals and Stevedoring: flexible hose used for transferring liquids at jetties without rigid arms.
Jeumont X42. Offshore Wind Installation and Cable Lay: Reference French manufacturer; included only as a historical reference.
Jewel class X24. Cruise, Passenger Ship and Ferry Operations: Norwegian Cruise Line class introduced 2005.
Jewel of the Seas X64. Cruise Industry Operators, Brands and Ships: Royal Caribbean Radiance-class ship delivered in 2004.
Jewelry Restriction X41. Cruise Ship Public Health and VSP/USPH: Galley rule limiting hand jewelry to a plain band to reduce contamination and physical hazards.
JF Brennan Company X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines: US marine construction firm involved in inland and shallow-water cable and pipeline installations.
JFA Yachts X35. Yacht and Superyacht Industry: French custom builder in Concarneau producing aluminum sail and motor yachts.
JFE Engineering X124. Dredging Industry and Reclamation Contractors: Japanese builder of hopper barges and small dredgers.
JFE Engineering Ballastace X18. Ballast Water, Biofouling and Antifouling: Filtration plus electrochlorination BWMS by JFE Engineering of Japan.
JFE Steel X92. Marine Steel Suppliers and Shipbuilding Plate: Japanese integrated steel producer formed in 2002 with operations at Kawasaki, Chiba, and Kurashiki across the East Japan and West Japan Works.
JFE-380 X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS: JRC navigational echo sounder for SOLAS-compliant depth measurement.
JFEY X126. Marine Oil Spill Response and OPRC Regimes: Joint Federal-Industry Exercise (illustrative shorthand) under PREP.
JFTC Container Data X44. Shipping Indices, FFAs and Freight Markets: Japan freight statistics occasionally cited in container index commentary, distinct from the SCFI series.
JG (Japan Coast Guard) X146. Port State Control Regimes, MoUs, and Inspection Systems: A participant in the Tokyo MoU with significant inspection volume at Japanese ports.
JH 2005/006 X53. Marine Insurance, P&I and Hull Clauses: A standard Joint Hull Committee marketwide exclusion clause used in the London market.