Glossary

Maritime glossary, terms beginning with A (page 11)

All maritime glossary terms that begin with the letter A, drawn from every subject section. 3739 entries.

Showing 250 of 3739 terms (page 11 of 15).

Apparent Owner X151. Maritime Sanctions, Dark Fleet, and Price Cap Regimes: The legal owner of record in a registry, which dark-fleet investigators distinguish from beneficial ownership concealed behind shell companies.
Apparent Quantity X1. Cargo Science, Commodities and Cargo Care: Cargo volume measured at observed temperature before correction.
Apparent Salvage X60. Marine Salvage and Wreck Removal: Situation where assistance is rendered but its salvage character is later contested.
Apparent Salved Value X13. Marine Salvage and Wreck Removal: Provisional valuation of ship plus cargo plus bunkers used in interim award calculation.
Apparent time X16. Nautical Science, Navigation and COLREGs: Time based on the actual position of the Sun.
Apparent viscosity X2. Marine Bunker Fuels, Lubricants and Bunkering Operations: Viscosity of a non-Newtonian fluid at a stated shear rate, relevant for waxy or high-asphaltene fuels.
Apparent Weight in Air X1. Cargo Science, Commodities and Cargo Care: Measured weight uncorrected for buoyancy; used in petroleum custody transfer.
Apparent wind B3. Nautical Science: Wind perceived from a moving vessel.
Apparent Wind Angle (AWA) X84. Yacht Racing, Regattas and Sailing Governance: The angle between the yacht's heading and the apparent wind direction.
Appeal on a Point of Law X51. Maritime Arbitration, Law and BIMCO Clauses: A challenge to an arbitration award under section 69 of the English Arbitration Act 1996, available only with leave or agreement.
Appeal on a Question of Law X114. Maritime Arbitration and Shipping Law Firms: Right under Section 69 of the English Arbitration Act 1996 to appeal an arbitral award on a point of law with permission of the court.
Appeal Process X66. Port State Control and Regional MOUs: Procedure under each MOU allowing the master, owner, or flag State to appeal a detention.
Appendage resistance B1. Naval Architecture: Drag contribution of rudders, bilge keels, shafts, brackets, bossings, and stabilizer fins.
Appendage Survey X43. Marine Surveying and Warranty Surveying: A close-up examination of rudders, propellers, bow thrusters, sea chests, and other underwater fittings during a docking survey.
Appendices to the Casualty Investigation Code X163. Marine Accident Investigation Agencies and Landmark Inquiries: Non-mandatory parts of the Code including guidance on related matters such as the human element and the conduct of interviews.
Appendicitis at sea X36. Shipboard Medical, Telemedicine and Seafarer Health: IMGS provides clinical algorithm; antibiotic cover (ciprofloxacin plus metronidazole) and MEDEVAC are first-line responses.
Apple Juice Concentrate X93. IBC Code and Chemical Tanker Operations: Edible liquid product carried in stainless steel parcel tanker tanks under hygienic protocols and classed under Other Substances.
Apple reefer carriage X70. Reefer Containers and Cold Chain Shipping: Pomaceous fruit shipped at approximately zero to plus one degree Celsius with controlled atmosphere to extend storage life across long ocean voyages.
Apple Reefer Trade X136. Reefer Vessels and Cool Chain Operators: Year-round movement of apples in reefer containers from Washington State, Chile, New Zealand, Italy, and Poland, often using controlled atmosphere settings to extend shelf life.
Apples carriage X26. Reefer Containers and Cold Chain Logistics: Typically 0 to -1 C, 90 to 95% RH; long-haul under CA at 2% O2, 1 to 3% CO2.
Apples, Controlled Atmosphere X1. Cargo Science, Commodities and Cargo Care: Stored at ~1 C with 2% O2 / 1-3% CO2 to extend shelf life.
Application Acceleration X68. Maritime Satcom and Telecommunications: Edge optimization that improves performance of HTTP, email, and file transfer protocols over high-latency satellite links.
Application data sheet X45. Marine Paints, Coatings and Antifouling: Manufacturer's document specifying spreading rate, film thickness, recoat intervals, and overcoating windows for a given product.
Application Programming Interface (API) E3. Technology, digitalization and smart shipping: Software interface for system-to-system data exchange.
Application Service Provider X74. AIS Data, Vessel Tracking and Maritime Intelligence: An entity certified to handle LRIT data flows between ships and LRIT Data Centres.
Application to Set Aside X51. Maritime Arbitration, Law and BIMCO Clauses: A challenge to an award under sections 67 or 68 of the English Arbitration Act 1996 for lack of jurisdiction or serious irregularity.
Application Whitelisting X25. Maritime Cybersecurity, OT and IT: Endpoint control allowing only approved executables to run, a key OT defense.
Application-Specific Message (ASM) X23. AIS, GMDSS, IALA Buoyage and Aids to Navigation: AIS Message 6 or 8 encoded per IALA Guideline 1028.
Applicator Certification X88. Marine Surface Preparation and Coatings Application: Documented qualification of a coatings tradesperson against schemes such as NACE CAP, SSPC C7/C12, or AMPP applicator programs.
Applied Research Laboratory Penn State X121. Maritime Education, Academies and Universities: ARL University Park, founded 1945, conducts US Navy undersea technology research and supports graduate maritime engineering programs.
Applied Weather Technology (AWT) X78. Voyage Optimization and Vessel Performance Software: A historical weather routing service provider whose Bon Voyage System product was later acquired by Sperry Marine and then sold on through subsequent owners.
Appointment Letter X86. Port Agency, Husbandry and Disbursement: Document confirming the agent's authority to act for a named vessel and voyage.
Apportionment X157. Marine Loss Adjusters, GA Practice, and Casualty Firms: The process of dividing general average losses among contributing interests (ship, cargo, freight) in proportion to their contributory values.
Apportionment Between Interests X99. Marine Salvage Awards and SCOPIC: Allocation of the salvage liability among owners of vessel, cargo, freight, and bunkers in proportion to salved values.
Apportionment of Award X99. Marine Salvage Awards and SCOPIC: Division of a salvage award among multiple salvors, fixed by agreement or by the Lloyd's arbitrator.
Apportionment of Salvage X108. Marine Insurance and P&I Clubs: The process by which average adjusters allocate salvage awards between hull, cargo, and freight interests in general average.
Appraisal stage X16. Nautical Science, Navigation and COLREGs: First stage of passage planning under IMO Resolution A.893(21).
Apprentice X21. STCW Certificates, Crewing and Seafarer Welfare: Cadet or trainee enrolled in an approved program leading to a Certificate of Competency.
Apprentice Mate X103. US Inland Waterway Towing and Barge: The entry-level USCG license for a towing vessel deck officer, also referred to as Apprentice Mate (Steersman).
Apprentice Pilot F3. Seafaring Life, Education, Professions and Institutions: Trainee marine pilot under deep-sea pilotage training.
Apprenticeship (Maritime) X102. Seafarer Welfare and Maritime Charities: Structured training contract combining sea service and college study, used in the UK Cadet Training Sponsorship route.
Apprenticeship Indentures F3. Seafaring Life, Education, Professions and Institutions: Historical British seafaring training contracts.
Approach X127. Maritime Security, Anti-Piracy and PMSCs: BMP5 terminology for a suspicious vessel closing on a merchant ship at speed without legitimate purpose.
Approach angle X59. Offshore Wind O&M, CTVs and SOVs: Heading at which a CTV pushes onto a turbine boat landing, typically within plus or minus 15 degrees of the prevailing wave direction.
Approach broker X71. Shipbrokers and Brokerage Firms: The broker who first introduces a vessel or cargo to a prospective counterparty in a chain.
Approach channel C4. Ports, terminals and coastal/marine civil engineering: Navigable channel between sea and port basin.
Approach channel design C4. Ports, terminals and coastal/marine civil engineering: Per PIANC WG121 and WG49 guidelines.
Approach Channel Pilotage X86. Port Agency, Husbandry and Disbursement: Compulsory pilotage in the channel leading to a port, arranged by the agent.
Approach Channel Survey X104. Project Cargo Forwarders and Heavy Transport: Bathymetric study confirming draft and width for a heavy lift vessel calling a project berth.
Approach corridor X42. Offshore Wind Installation and Cable Lay: Designated marine traffic lane preserved through an offshore wind lease area to maintain navigational safety.
Approach Pattern X80. Maritime Search and Rescue Coordination: The route flown by a SAR aircraft from base to the search datum.
Approach Phase X22. Piracy, Maritime Security and Armed Protection: Stage of an attack when skiffs are detected closing on the target at high speed, usually beyond 5 nautical miles.
Approach pilot X32. Marine Pilotage and Pilot Operations: Pilot taking the vessel from sea pilot station to the inner harbor pilot change point.
Approach pilotage X32. Marine Pilotage and Pilot Operations: Pilotage of the seaward approaches to a port, distinct from harbor pilotage inside breakwaters.
Approach speed X59. Offshore Wind O&M, CTVs and SOVs: Forward velocity of a CTV against the boat landing fenders, normally between two and four knots depending on swell and bow puffer design.
Approval X21. STCW Certificates, Crewing and Seafarer Welfare: Flag State acceptance of a training course, simulator, or assessment as meeting STCW Code Part A requirements.
Approval Authority X75. IMDG Code, Classes, Packing and Segregation: Competent authority that approves IMDG packaging designs, portable tanks and Class 7 packages, often a national regulator.
Approval in Principle X54. Naval Architecture Software and IACS Rules: Preliminary class confirmation that a novel concept design satisfies applicable rules in principle, issued by IACS societies.
Approval in Principle (AiP) X8. IACS, Class Rules and Class Notations: class statement that a novel concept is feasible against applicable rules pending detailed design.
Approval Letter X40. Tanker Vetting, SIRE and VIQ: Written confirmation from an oil major's vetting department that a named vessel is cleared for a specific voyage, berth, or term period.
Approval of PDA X86. Port Agency, Husbandry and Disbursement: Principal's authorization to fund the pro forma disbursement account before the call begins.
Approval of Ship Recycling Plan X50. Ship Recycling, Demolition and Hong Kong Convention: The express or tacit approval mechanism by the recycling state competent authority under HKC Regulation 9.
Approval Survey X43. Marine Surveying and Warranty Surveying: An attendance by a class or statutory surveyor to verify that an installation, modification, or new equipment meets the approved drawings and applicable rules.
Approved (Vetting Status) X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA: An oil major's screening outcome indicating the vessel meets their commercial and HSSE requirements for a specific voyage or period.
Approved arrangement X76. Stevedoring, Lashing and Cargo Securing: Stowage pattern explicitly accepted by the flag administration or class society in the Cargo Securing Manual.
Approved Cargo Securing Manual X9. Cargo Securing, Lashing and Stability Vocabulary: CSM accepted by flag Administration per SOLAS VI/5-1 and VII/5.
Approved Classification Society X172. IMDG Code: Classes, Divisions, Segregation, and Key UN Numbers: A recognised organisation authorised by the flag State to issue CSC plates and approve packagings under the IMDG Code framework.
Approved Code of Practice X82. Saturation Diving and Offshore Diving Operations: Statutory guidance under UK Diving at Work Regulations 1997.
Approved Continuous Examination Program X75. IMDG Code, Classes, Packing and Segregation: ACEP plate on CSC container indicating ongoing inspection regime acceptable for IMDG carriage.
Approved Equivalent (Reg 4 Annex I) X171. MARPOL 73/78: Annex-by-Annex Detailed Glossary: A fitting, material, appliance, or apparatus accepted by the flag Administration as at least as effective as the prescribed Annex I requirement.
Approved IHM X28. Ship Recycling and End-of-Life: Inventory of Hazardous Materials Part I endorsed by the flag administration or a recognized organization.
Approved International Shipping Enterprise X98. Ship Registries and Flag States: Singapore tax incentive scheme under the Maritime Sector Incentive granting tax exemption on qualifying shipping income.
Approved lashing software X76. Stevedoring, Lashing and Cargo Securing: Onboard computer program type-approved by a recognized class society for calculating container securing forces.
Approved Recycling Facility X147. Ship Recycling, Hong Kong Convention, and Recycling Yards: A yard authorized under EU SRR or by an Administration under the Hong Kong Convention to recycle ships flying eligible flags.
Approved Repair Port X66. Port State Control and Regional MOUs: Port designated for rectification of deficiencies allowed under Action Code 46.
Approved Salvor X13. Marine Salvage and Wreck Removal: Contractor on a flag state, port state, or insurer panel of recognised response companies.
Approved SCR List X99. Marine Salvage Awards and SCOPIC: Roster of accredited Special Casualty Representatives maintained by the International Salvage Union.
Approved Security Equipment E1. Maritime security, geopolitics and risk: Equipment listed in the SSP, maintained per ISPS A/13.
Approved Service Supplier X5. Marine Surveying and Inspection: Firm authorized by class to perform UTG, IWS, or service work used for class purposes.
Approved Ship Recycling Plan X118. Ship Recycling Yards, Beaches and Regulation: Vessel-specific SRP developed under HKC Regulation 9 and approved by the Competent Authority of the recycling state before cutting begins.
Approved Source X41. Cruise Ship Public Health and VSP/USPH: Food or water originating from a supplier inspected and recognized by a regulatory authority, required by VSP Section 5.
Apricot Cable System X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines: Subsea cable announced in 2021 connecting Japan, Taiwan, Guam, the Philippines, Indonesia, and Singapore, backed by Meta and Google.
Apron C4. Ports, terminals and coastal/marine civil engineering: Quayside area between ship and stacking yard.
Apron (Cook) X120. Marine Catering, Provisions and Ship Chandlers: IMPA 174153 cotton bib apron, part of standard galley personal protective issue.
Apron rail X15. Ports, Terminals and Stevedoring: waterside crane rail mounted on the apron.
APS (Arrival Pilot Station) X17. Chartering, Shipbroking and Freight Trading: Delivery or redelivery point referenced to the pilot boarding station.
APT X107. Maritime Cybersecurity and OT Security: Advanced Persistent Threat, a stealthy adversary, often state aligned, conducting long term intrusions.
APT (Advanced Persistent Threat) X148. Maritime Cybersecurity, IACS Cyber Rules, and Incidents: A long-running, well-resourced threat actor, several of which have targeted port authorities, shipping lines, and offshore operators.
APT28 (Fancy Bear) X139. Maritime Cybersecurity, OT Threats and Standards: GRU Unit 26165 group implicated in espionage targeting NATO logistics and maritime supply chains.
APT38 X139. Maritime Cybersecurity, OT Threats and Standards: Financially motivated subset of Lazarus Group attributed to North Korea's Reconnaissance General Bureau.
APU X31. Helicopter Operations on Ships: Auxiliary Power Unit, small gas turbine providing electrical and pneumatic power on ground.
APX-East and APX-West X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines: Asia Pacific Cable Network East and West, older regional cable assets retired or upgraded into newer systems.
AQIS X6. Container, Intermodal and Trade Codes: Former Australian quarantine inspection service, now part of DAFF biosecurity.
Aqua Class X85. Ferries, Ro-Pax Operators and Routes: Common marketing term for premium cabin grades on Baltic and North Sea ferry brands.
Aqua Ventus X42. Offshore Wind Installation and Cable Lay: Floating offshore wind demonstration project off Maine developed by the University of Maine consortium.
Aqua-blasting B4. Shipbuilding, Materials, Sea Trials, Retrofits and Recycling: Wet-abrasive cleaning of hull steel.
Aqua-Marine X124. Dredging Industry and Reclamation Contractors: Indian dredging arm doing maintenance at minor ports along the west coast.
Aquaculture D4. Fisheries, aquaculture, blue economy and marine resources: Farming of aquatic organisms.
Aquaculture Charting X129. Hydrographic Offices, Survey Vessels and Marine Cartography: Hydrographic depiction of fish farms, mussel lines, and oyster leases on ENCs and paper charts, often using IHO object class OBSTRN with category aquaculture.
Aquaculture Discharge D3. Marine environmental science, pollution and conservation: Effluent from fish or shellfish farms.
Aquaculture Service Vessel E4. Cruise, offshore energy and auxiliary/specialised fleets: Vessel supporting offshore fish farms.
Aquaculture Stewardship Council (ASC) X131. Commercial Fisheries, Trawler Fleets and Seafood Processors: Independent certification body founded in 2010 by WWF and IDH, operating standards for salmon, shrimp, tilapia, pangasius, seabass and seabream.
Aquadelta X124. Dredging Industry and Reclamation Contractors: Belgian Jan De Nul TSHD of 4,400 m3 capacity for harbor maintenance.
Aquafeed D4. Fisheries, aquaculture, blue economy and marine resources: Feed used in aquaculture, often containing fishmeal and fish oil.
Aqualink X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines: Proposed HVDC interconnector concept linking offshore wind clusters in the North Sea, studied under the European meshed-grid initiatives.
Aquamarine Power X57. Ocean Energy Beyond Wind: Scottish wave energy developer behind the Oyster oscillating wave surge converter that entered administration in 2015.
Aquamarine Sewage X63. Marine Auxiliary Machinery and Pumps: Generic term for STP units treating black water from accommodation toilets.
Aquamaster X38. Propellers, Stern Gear and Shaft Lines: Original Rauma-Repola azimuth thruster line, later Rolls-Royce and now Kongsberg, widely used on tugs and OSVs.
Aquaplane (rudder) B1. Naval Architecture: Horizontal lifting surface fitted on a rudder to reduce induced drag.
Aquarius X124. Dredging Industry and Reclamation Contractors: Jan De Nul TSHD of 17,500 m3 hopper, sister to Bartolomeu Dias.
Aquarius (Royal Huisman) X125. Superyacht Industry, Builders and Brokers: 56 m ketch delivered in 2017, designed by Dykstra Naval Architects.
Aquariva X35. Yacht and Superyacht Industry: Iconic 33-foot Riva runabout built by Riva of Sarnico, Italy.
Aquastrada X132. High-Speed Craft, Hydrofoils and Ferry Operators: Trade name of the Fincantieri-built monohull HSC series, including TMV 101 hulls.
Aquaterra X42. Offshore Wind Installation and Cable Lay: Geotechnical and geophysical site investigation contractor active in offshore wind pre-FEED studies.
Aquaterras X165. Marine Coatings, Antifouling, and Hull Husbandry: Nippon Paint Marine biocide-free self-polishing antifouling launched 2013 using medical polymer technology rather than biocide release.
Aquatheater X24. Cruise, Passenger Ship and Ferry Operations: Open-air theater venue at the stern of Royal Caribbean Oasis and Icon class ships.
Aquatic Facility X41. Cruise Ship Public Health and VSP/USPH: VSP umbrella term for swimming pools, whirlpool spas, spray parks, and other water features installed on cruise vessels.
Aquatic Invasive Species X66. Port State Control and Regional MOUs: Compliance area under Ballast Water Management Convention, inspected as 14000 series.
Aquatic invasive species (AIS) X18. Ballast Water, Biofouling and Antifouling: Non-indigenous aquatic organism whose introduction causes ecological or economic harm.
Aquatic Toxicity Profile X50. Ship Recycling, Demolition and Hong Kong Convention: The hazard data sheet information required for paint, lubricant, and cleaning product entries in IHM Part III stores.
AquaVentus X57. Ocean Energy Beyond Wind: North Sea initiative led by German and European partners to develop offshore wind to hydrogen production around Helgoland.
Aquidneck, USCGC (WPB-1309) X130. National Coast Guards and Cutter Fleets: Island-class transferred to Georgia in 2002, replaced by Sentinel-class FRCs from 2012 onward.
Aquitaine-class X62. Naval Warships and Combat Systems: French Navy variant of the FREMM multipurpose frigate, led by Aquitaine (D650).
Aquitaine-class frigate X106. Naval Surface Combatants: French Navy designation for FREMM multi-mission frigates, lead ship Aquitaine D650 commissioned 2012.
AQWA X173. Mooring, Anchoring, OCIMF MEG4, and Equipment Numeral: Hydrodynamic and mooring analysis suite from ANSYS used for diffraction-radiation, time-domain coupled mooring, and station-keeping studies.
AR/VR Bridge Training E3. Technology, digitalization and smart shipping: Immersive simulator-based training.
AR6 (IPCC Sixth Assessment Report) X34. Decarbonization, Alternative Fuels and Carbon Pricing: Source of current GWP values used in maritime GHG accounting.
ARA X116. Global Bunker Anchorages, Hubs and Supply Infrastructure: Amsterdam-Rotterdam-Antwerp refining and bunkering range, the world's second largest bunker hub by volume after Singapore at roughly 10 to 12 million tonnes per year.
ARA Range X72. Bunkering Hubs and Bunker Suppliers: Industry term for the Amsterdam, Rotterdam, and Antwerp bunker market treated as a single trading region.
ARA Region X115. Marine Bunker and Cargo Surveying: Amsterdam-Rotterdam-Antwerp bunkering cluster, the largest physical bunker hub in Europe and the location of the 2019 widespread contamination episode.
ARA San Juan X91. Submarines and Submarine Cable Systems: Argentine TR-1700 class submarine lost in the South Atlantic in 2017.
Arab Academy for Science Technology and Maritime Transport Sharjah Branch X121. Maritime Education, Academies and Universities: AASTMT campus in the United Arab Emirates, opened 2008, offering maritime transport and logistics programs.
Arab Academy for Science, Technology and Maritime Transport (AASTMT) X160. Maritime Academies, Universities, and STCW Certification: Egyptian regional Arab League institution in Alexandria founded in 1972 offering maritime, engineering, and management programs.
Arabian Sea X10. Marine Biology, Fisheries and Oceanography: Northwestern arm of the Indian Ocean bordered by India, Pakistan, Iran, Oman, and Yemen.
Arabian Sea Demolition Market X50. Ship Recycling, Demolition and Hong Kong Convention: Shorthand for the combined Indian and Pakistani recycling capacity, historically setting global LDT prices alongside Bangladesh.
Arabic Coffee (Bonded) X120. Marine Catering, Provisions and Ship Chandlers: Provisioning category important on Gulf trades, supplied through chandlers in Fujairah and Jebel Ali.
Arafura Sea X10. Marine Biology, Fisheries and Oceanography: Shallow shelf sea between northern Australia and New Guinea.
Aragonite D3. Marine environmental science, pollution and conservation: Mineral form of calcium carbonate used by many marine calcifiers.
Aragonite Saturation Horizon Shoaling D5. Coastal processes, sea-level, cryosphere and ocean observation science: Vertical rise of corrosive waters under acidification.
Aragonite Saturation State D1. Physical and chemical oceanography and marine meteorology: Indicator of whether seawater is corrosive or favorable to aragonite-shelled organisms.
Aragonite Undersaturation D3. Marine environmental science, pollution and conservation: Conditions corrosive to aragonite shells.
Aramco Trading Vetting X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA: Saudi Aramco's commercial trading arm vetting process covering Ras Tanura, Yanbu, Jubail, and Jeddah terminal calls.
Aramco Vetting X40. Tanker Vetting, SIRE and VIQ: The vessel screening process operated by Saudi Aramco for tankers calling at its export terminals on the Arabian Gulf and Red Sea.
Aramid composite shafting X38. Propellers, Stern Gear and Shaft Lines: Non-metallic intermediate shafting based on aramid or carbon-fiber composites used in some naval and yacht applications.
Aramid Mooring Tail X94. Port Machinery and Quay Equipment Makers: Mooring line tail constructed from Twaron or Technora fibers used to absorb peak loads on synthetic mainlines.
Aramis X42. Offshore Wind Installation and Cable Lay: Dutch offshore CO2 transport and storage project sharing North Sea seabed corridors with offshore wind cable routes.
Aramis project X34. Decarbonization, Alternative Fuels and Carbon Pricing: Dutch CO2 transport and storage initiative led by EBN, Gasunie, Shell, and TotalEnergies.
Aran Islands X42. Offshore Wind Installation and Cable Lay: Reference geographic marker for proposed Irish offshore wind lease areas in the Atlantic.
Aransas-Corpus Christi Pilots X159. Marine Pilotage, Pilot Districts, and Pilots' Associations: Texas state-commissioned pilot association serving the Port of Corpus Christi and the Aransas Pass channel.
Aratere X85. Ferries, Ro-Pax Operators and Routes: Interislander ro-pax serving the Cook Strait between Wellington and Picton in New Zealand.
Arbiter pilot X15. Ports, Terminals and Stevedoring: senior pilot supervising a manoeuvre involving multiple pilots.
Arbitrability X152. Maritime Arbitration and Dispute Resolution: Doctrine determining whether a particular dispute can be resolved by arbitration; in maritime practice almost all charterparty, bill of lading, and shipbuilding disputes are arbitrable.
Arbitrage cargo X71. Shipbrokers and Brokerage Firms: Spot cargo created by price differentials between regions, frequently brokered on short notice.
Arbitrage Spread X44. Shipping Indices, FFAs and Freight Markets: Price differential between two related freight contracts, such as Capesize versus Panamax, traded for relative value rather than outright direction.
Arbitrage trade C1. Commercial shipping, chartering, economics and finance: Movement of cargo to exploit price differentials between regions.
Arbitral institution X152. Maritime Arbitration and Dispute Resolution: Body that administers arbitrations and provides rules, such as LMAA, SMA, SCMA, HKIAC, CIETAC, CMAC, TOMAC, GMAA, and ICC.
Arbitral Seat X51. Maritime Arbitration, Law and BIMCO Clauses: The juridical place of the arbitration, determining the curial law and the supervisory court.
Arbitral Tribunal X114. Maritime Arbitration and Shipping Law Firms: Body of one or more arbitrators appointed to determine a dispute under an arbitration agreement.
Arbitration A5. Maritime Law, private and commercial: Private dispute resolution under bodies such as LMAA, SCMA, HKIAC, ICC, or SMA.
Arbitration Act 1996 X114. Maritime Arbitration and Shipping Law Firms: Statute of the United Kingdom governing arbitration in England, Wales, and Northern Ireland.
Arbitration Act 1996 (England) X51. Maritime Arbitration, Law and BIMCO Clauses: The principal English statute governing arbitrations seated in England, Wales, and Northern Ireland.
Arbitration Act 2024 X114. Maritime Arbitration and Shipping Law Firms: Singapore International Arbitration Act 1994 as periodically amended, governing arbitrations seated in Singapore.
Arbitration Act 2025 (England) X51. Maritime Arbitration, Law and BIMCO Clauses: The amending statute updating the 1996 Act, including the default rule on the law governing the arbitration agreement.
Arbitration Agreement X51. Maritime Arbitration, Law and BIMCO Clauses: A written agreement to submit present or future disputes to arbitration, severable from the matrix contract and governed by its own applicable law.
Arbitration Clause X29. Ship Sale and Purchase, Management Contracts and Valuation: Dispute resolution provision in MoA, typically LMAA, SCMA, or SMA.
Arbitration clause (charterparty) X152. Maritime Arbitration and Dispute Resolution: Express clause within a charterparty providing for arbitration of disputes, e.g., the BIMCO Dispute Resolution Clause 2020 or NYPE clause 17.
Arbitration Ordinance (Cap 609) X51. Maritime Arbitration, Law and BIMCO Clauses: The Hong Kong statute based on the UNCITRAL Model Law governing domestic and international arbitrations seated in Hong Kong.
Arbitration Rules of the SMA X51. Maritime Arbitration, Law and BIMCO Clauses: The procedural rules of the Society of Maritime Arbitrators in New York, providing for three-member panels and reasoned awards.
Arbitrator X51. Maritime Arbitration, Law and BIMCO Clauses: A neutral appointed by the parties or an institution to determine a dispute by binding award under the agreed rules and curial law.
Arbitrator immunity X152. Maritime Arbitration and Dispute Resolution: Statutory protection (e.g., section 29 English Arbitration Act 1996) shielding arbitrators from civil liability except for bad faith.
Arbitrator's fees X152. Maritime Arbitration and Dispute Resolution: Remuneration paid to the tribunal, typically hourly under LMAA Terms or ad valorem in ICC practice.
ARC X84. Yacht Racing, Regattas and Sailing Governance: The Atlantic Rally for Cruisers, an annual cruising rally from Las Palmas to Saint Lucia organized by the World Cruising Club since 1986.
Arc Cutting Torch X50. Ship Recycling, Demolition and Hong Kong Convention: An electric arc tool used inside cargo holds and engine rooms where oxy-fuel cutting is restricted, regulated under the yard hot work permit system.
Arc of visibility (light) X16. Nautical Science, Navigation and COLREGs: Angular sector through which a navigation light is visible.
Arc-air gouging X58. Shipbuilding Yards and Construction: Carbon-electrode air gouging used to back-gouge welds and remove tack welds during block assembly.
ARC, Atlantic Rally for Cruisers F4. Recreational Boating, Yachting and Sport: Annual transatlantic rally from Las Palmas to Saint Lucia.
Arc4 X8. IACS, Class Rules and Class Notations: Russian Maritime Register of Shipping ice category, light first-year ice, Polar Class broadly equivalent to PC7.
Arc4 (RMRS) X27. Polar Code, Ice Navigation and Polar Operations: Russian Maritime Register of Shipping ice class for independent navigation in first-year Arctic ice up to 0.6 m winter or 0.8 m summer.
Arc5 X8. IACS, Class Rules and Class Notations: RS ice category, medium first-year ice, broadly equivalent to PC6 range.
Arc5 (RMRS) X27. Polar Code, Ice Navigation and Polar Operations: RMRS ice class for independent navigation in first-year Arctic ice up to 0.8 m winter or 1.0 m summer.
Arc6 X8. IACS, Class Rules and Class Notations: RS ice category, heavy first-year ice, broadly equivalent to PC5 range.
Arc6 (RMRS) X27. Polar Code, Ice Navigation and Polar Operations: RMRS ice class for independent navigation in first-year Arctic ice up to 1.1 m winter or 1.3 m summer.
Arc7 X8. IACS, Class Rules and Class Notations: RS ice category, year-round in first-year ice, broadly equivalent to PC4 range.
Arc7 (RMRS) X27. Polar Code, Ice Navigation and Polar Operations: RMRS ice class for independent navigation in first-year Arctic ice up to 1.4 m winter or 1.7 m summer; used by Yamal LNG fleet.
Arc8 X8. IACS, Class Rules and Class Notations: RS ice category for heavier multi-year incursions, broadly equivalent to PC3 range.
Arc8 (RMRS) X27. Polar Code, Ice Navigation and Polar Operations: RMRS ice class for independent navigation in multi-year Arctic ice up to 2.1 m.
Arc9 X8. IACS, Class Rules and Class Notations: RS highest non-icebreaker ice category, broadly equivalent to PC2 range.
Arc9 (RMRS) X27. Polar Code, Ice Navigation and Polar Operations: Highest RMRS Arctic ice class for independent navigation in heavy multi-year ice exceeding 3.5 m.
Arcadia X64. Cruise Industry Operators, Brands and Ships: P&O Cruises UK ship delivered in 2005.
Arcadia Yachts X125. Superyacht Industry, Builders and Brokers: Naples builder of solar paneled motoryachts in the Sherpa and A series ranges.
Arcadis Ost 1 X123. Offshore Wind Installation Vessels and Operators: 257 MW Baltic wind farm off Rugen commissioned 2023, first project to use full floating monopile installation method by Heerema Thialf.
Arcelor sheet pile X175. Port Engineering, Dredging, Breakwaters, and Quays: Steel sheet pile sections, including the AZ, AU, and PU profile families produced by ArcelorMittal at its Belval mill in Luxembourg.
ArcelorMittal X92. Marine Steel Suppliers and Shipbuilding Plate: Global integrated steel group with European flat plate output from Asturias, Dunkirk, Bremen, and Ghent.
ArcelorMittal Asturias X92. Marine Steel Suppliers and Shipbuilding Plate: Integrated flat steel works in northern Spain producing shipbuilding and structural plate.
ArcelorMittal Bremen X92. Marine Steel Suppliers and Shipbuilding Plate: Integrated flat steel works on the Weser in Germany producing hot rolled plate and coil.
ArcelorMittal Dunkirk X92. Marine Steel Suppliers and Shipbuilding Plate: Integrated flat steel works on the French North Sea coast producing heavy plate.
ArcelorMittal Ghent X92. Marine Steel Suppliers and Shipbuilding Plate: Integrated flat steel works in Belgium producing flat rolled steel for automotive and industrial markets.
Arch Fender X173. Mooring, Anchoring, OCIMF MEG4, and Equipment Numeral: Elastomeric fender of arched cross-section bolted to a quay face that deflects under load to absorb berthing energy.
Archaea X10. Marine Biology, Fisheries and Oceanography: Single-celled microorganisms, distinct from bacteria, abundant in the deep sea and in extreme environments.
Archimedes screw X42. Offshore Wind Installation and Cable Lay: Not used in offshore wind; term retained here to distinguish from helical pile installation methods.
Archimedes' principle X162. Naval Architecture, Stability, Resistance, and Structural Design: Hydrostatic law stating that the buoyant force on a floating body equals the weight of fluid it displaces.
Archipelagic Sea Lanes Passage A6. Public international law of the sea: Right of passage through archipelagic waters under UNCLOS Articles 53-54.
Archipelagic State A6. Public international law of the sea: State constituted by archipelagos under UNCLOS Article 46.
Archipelagic Waters A6. Public international law of the sea: Waters enclosed by archipelagic baselines.
Architectural Drawing X83. ISO Container Manufacturing and Leasing: Manufacturer's general arrangement drawing submitted with type approval applications.
ARCS X73. Marine Hydrography, Charting and ENC: Admiralty Raster Chart Service.
ARCS (ADMIRALTY Raster Chart Service) X129. Hydrographic Offices, Survey Vessels and Marine Cartography: UKHO raster chart product set of digital scans of paper ADMIRALTY charts, gradually superseded by AVCS vector coverage.
Arctic (Polar Code definition) X27. Polar Code, Ice Navigation and Polar Operations: Waters north of latitude 60 degrees N, excluding the Norwegian Sea south of 65 degrees N and waters below Iceland as defined in SOLAS XIV.
Arctic Amplification D5. Coastal processes, sea-level, cryosphere and ocean observation science: Faster warming of the Arctic relative to the global mean.
Arctic ballast operations X18. Ballast Water, Biofouling and Antifouling: Ballast exchange and treatment under polar conditions where filters and UV chambers may freeze.
Arctic Bridge X27. Polar Code, Ice Navigation and Polar Operations: Seasonal sea route between Murmansk and the Port of Churchill, Hudson Bay.
Arctic Class (IACS Polar Class) E4. Cruise, offshore energy and auxiliary/specialised fleets: PC1-PC7 polar class designations.
Arctic cod X10. Marine Biology, Fisheries and Oceanography: *Boreogadus saida*, a small gadid keystone species of Arctic food webs.
Arctic Connect X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines: Cancelled subsea cable concept that would have linked Europe to Asia via the Northern Sea Route along the Russian Arctic coast.
Arctic Council X27. Polar Code, Ice Navigation and Polar Operations: Intergovernmental forum of eight Arctic states established by the 1996 Ottawa Declaration.
Arctic Council PAME X27. Polar Code, Ice Navigation and Polar Operations: Protection of the Arctic Marine Environment working group; author of the Arctic Marine Shipping Assessment.
Arctic Council Working Groups X52. Polar Code, Arctic and Antarctic Shipping: Six subsidiary bodies of the Arctic Council, including PAME, AMAP, CAFF, EPPR, SDWG, and ACAP.
Arctic Five X52. Polar Code, Arctic and Antarctic Shipping: Informal grouping of the five Arctic coastal states Canada, Denmark, Norway, Russia, and the United States that signed the 2008 Ilulissat Declaration.
Arctic Frontiers X119. Maritime Conferences, Trade Shows and Awards: Annual conference on Arctic shipping, fisheries, and energy held in Tromso, Norway since 2007.
Arctic Marine Shipping Assessment (AMSA 2009) X27. Polar Code, Ice Navigation and Polar Operations: PAME report mapping Arctic shipping activity and risks; preceded the Polar Code.
Arctic Ocean X27. Polar Code, Ice Navigation and Polar Operations: Smallest of the world's oceans, largely ice-covered, surrounded by Eurasia and North America.
Arctic Oscillation D5. Coastal processes, sea-level, cryosphere and ocean observation science: Climate mode describing surface pressure patterns in the Arctic.
Arctic Patrol Vessel E2. Naval, defence and maritime law enforcement: Ice-strengthened constabulary or naval vessel.
Arctic Search and Rescue Agreement (2011) X27. Polar Code, Ice Navigation and Polar Operations: Arctic Council binding agreement on cooperation in SAR signed in Nuuk.
Arctic Shipping Best Practice Information Forum X52. Polar Code, Arctic and Antarctic Shipping: PAME-hosted forum supporting effective implementation of the Polar Code through a public information portal.
Arctic Shipping Forum X119. Maritime Conferences, Trade Shows and Awards: Annual conference convened by Informa in Helsinki since 2006, focusing on ice-class operations and Northern Sea Route.
Arctic Sunrise Arbitration (Netherlands v Russia) PCA Case 2014-02 X143. Landmark Maritime Law Cases and Doctrines: Annex VII UNCLOS tribunal in 2015 held Russia liable for unlawful boarding and detention of the Greenpeace vessel.
Arctic University of Norway Faculty of Engineering Science and Technology X121. Maritime Education, Academies and Universities: UiT in Tromso, with nautical and Arctic offshore engineering programs taught at the Tromso and Narvik campuses.
Arctic Waters (Annex I considerations) X171. MARPOL 73/78: Annex-by-Annex Detailed Glossary: Polar waters covered by the Polar Code, where Annex I and IV special discharge restrictions are reinforced under SOLAS Chapter XIV.
ArcticNet X133. Polar Research Vessels and Polar Code Regimes: Canadian Network of Centres of Excellence funding Arctic research aboard CCGS Amundsen.
Ardent X13. Marine Salvage and Wreck Removal: Salvage joint venture between Svitzer Salvage and Crowley Maritime, ceased trading 2019.
ARDENT Marine X99. Marine Salvage Awards and SCOPIC: Joint venture formed in 2015 between Svitzer Salvage and Titan Salvage, wound down in 2019.
Area Air Defense Commander (AADC) E2. Naval, defence and maritime law enforcement: Maritime task-force air-defense authority.
Area development plan X42. Offshore Wind Installation and Cable Lay: Comprehensive site layout document submitted to a regulator covering turbine positions, cable routes, and offshore substation siting.
Area knowledge X32. Marine Pilotage and Pilot Operations: Detailed local navigational, hydrographic, and traffic knowledge that distinguishes a pilot from the ship's master.
Area Notice X73. Marine Hydrography, Charting and ENC: An AIS Application-Specific Message conveying temporary navigational information, sometimes used in lieu of T&P NMs.
Area of Heightened Risk (AoHR) E1. Maritime security, geopolitics and risk: BMP-defined zone where enhanced anti-piracy measures apply.
Area ratio (Ae/Ao) X38. Propellers, Stern Gear and Shaft Lines: Ratio of expanded blade area to disc area, a primary cavitation criterion in B-series selection.
Area, The A6. Public international law of the sea: Seabed and subsoil beyond national jurisdiction, common heritage of mankind under UNCLOS Article 136.
Areal Bathymetry X129. Hydrographic Offices, Survey Vessels and Marine Cartography: Two-dimensional gridded depth product derived from swath sonar coverage, typically delivered as GeoTIFF or BAG files.
Areal density (plating) B1. Naval Architecture: Mass per unit area used in weight estimates.
Areas to be Avoided (ATBA) X27. Polar Code, Ice Navigation and Polar Operations: IMO ships' routeing measure under SOLAS V/10; used for the Aleutian Islands and Bering Strait.
Aremiti X132. High-Speed Craft, Hydrofoils and Ferry Operators: Brand of Tahitian operator Degage SARL running catamaran ferries between Tahiti and Moorea, including Aremiti 5 and Aremiti Ferry.
Argentina PSC X66. Port State Control and Regional MOUs: Prefectura Naval Argentina conducts PSC under Acuerdo de Vina del Mar.
Argentine Hake X87. Fishing Vessels and Fisheries Management: Merluccius hubbsi, the principal target of the Argentine demersal trawl fleet in the Southwest Atlantic.
Argentine Hydrographic Service X73. Marine Hydrography, Charting and ENC: Servicio de Hidrografia Naval (SHN), based in Buenos Aires.
Argentine Naval Prefecture X98. Ship Registries and Flag States: Prefectura Naval Argentina, the maritime authority maintaining the Argentine ship register.
Argina X61. Marine Lubricants and Cylinder Oils: Shell range of medium-speed trunk piston engine oils for four-stroke engines burning residual or distillate fuels.
Argo F1. Maritime History: Mythic Greek ship of Jason in the Argonautica, often cited as the archetype of long-voyage exploration narrative.
Argo float X65. ROVs, AUVs, USVs and Marine Robotics: Autonomous profiling float that drifts at parking depth and rises periodically to transmit temperature and salinity profiles via satellite.