Glossary
Maritime glossary, terms beginning with M (page 3)
All maritime glossary terms that begin with the letter M, drawn from every subject section. 2781 entries.
Showing 250 of 2781 terms (page 3 of 12).
- Margin plate B4. Shipbuilding, Materials, Sea Trials, Retrofits and Recycling
- Plate at the edge of double bottom.
- Margining X44. Shipping Indices, FFAs and Freight Markets
- Process by which clearing houses collect initial and variation margin from FFA participants to manage counterparty risk.
- Margiris X87. Fishing Vessels and Fisheries Management
- Pelagic factory trawler measuring 142 meters and flagged in Lithuania, among the largest fishing vessels operating.
- MarHySafe X140. Ammonia as Marine Fuel and Hydrogen Shipping
- DNV-led joint industry project on hydrogen safety in shipping.
- Mari Boyle X111. Methanol, Ammonia and Alternative Marine Fuels
- Methanol dual-fuel product tanker in the Waterfront Shipping fleet powered by a MAN B&W 6G50ME-LGIM engine.
- Mari Couva X111. Methanol, Ammonia and Alternative Marine Fuels
- Methanol dual-fuel product tanker in the Waterfront Shipping fleet.
- Mari Jone X111. Methanol, Ammonia and Alternative Marine Fuels
- Methanol dual-fuel product tanker in the Waterfront Shipping fleet.
- Mari Tellus X111. Methanol, Ammonia and Alternative Marine Fuels
- 50,000 dwt methanol bunker and product tanker associated with Methanex Marine of Vancouver.
- Maria Asumpta X128. Sail Training Ships and Tall Ship Associations
- 1858 Spanish brig, 38 m length, oldest sailing square rigger when she was wrecked at Pentire Point Cornwall on 30 May 1995 with three fatalities.
- Maria Quiteria FPSO X153. Offshore Drilling Rigs, FPSOs, and Offshore Vessels
- Yinson FPSO operating on the Jubarte revitalization for Petrobras.
- Mariakhouven (heeling) X27. Polar Code, Ice Navigation and Polar Operations
- Heeling system using high-capacity pumps; e.g. used on Finnish icebreakers.
- Mariana Trench X10. Marine Biology, Fisheries and Oceanography
- Deepest known oceanic trench, in the western Pacific.
- Marie Curie X85. Ferries, Ro-Pax Operators and Routes
- Balearia LNG dual-fuel ro-pax deployed on Mediterranean routes.
- Mariehamn X85. Ferries, Ro-Pax Operators and Routes
- Aland capital used as a Baltic tax-call port by Viking Line and Tallink Silja sailings between Sweden and Finland or Estonia.
- Mariella X85. Ferries, Ro-Pax Operators and Routes
- Viking Line ro-pax built 1985 long deployed on Helsinki to Stockholm via Mariehamn.
- Marimatech X94. Port Machinery and Quay Equipment Makers
- Danish supplier of docking aid systems including E-Sea Dock laser units.
- MARIN B1. Naval Architecture
- Maritime Research Institute Netherlands hydrodynamic facility.
- MARIN (Wageningen) X38. Propellers, Stern Gear and Shaft Lines
- Maritime Research Institute Netherlands, custodian of the Wageningen B, C, Ka, and Kd propeller series.
- MARIN Bridge Simulator X55. Marine Simulators, Training and Maritime Academies
- Six-degree-of-freedom bridge simulator at Wageningen used for harbor design, pilot training, and behavioral research.
- Marin Subsea X167. Major Salvage Companies, Wreck Removals, and Equipment
- Subsea support contractor used in deep water wreck investigations.
- Marina C4. Ports, terminals and coastal/marine civil engineering
- Recreational craft basin.
- Marina Bay Cruise Centre Singapore X164. Cruise Industry, Brands, Ship Classes, and Terminals
- The Singapore cruise terminal opened in 2012 at Marina South, serving Royal Caribbean, Princess, and others.
- Marina Bay Singapore X156. Superyacht Industry, Builders, and Yacht Charter Market
- Marina in central Singapore offering large yacht berths at One15 Marina Sentosa Cove and other nearby facilities.
- Marina Port Vell X35. Yacht and Superyacht Industry
- Superyacht marina in Barcelona's old port.
- MARINA SOIA (Special Office for the Investigation of Accidents, Philippines) X163. Marine Accident Investigation Agencies and Landmark Inquiries
- Special Office within the Philippine Maritime Industry Authority responsible for investigating marine accidents involving Philippine-flag vessels.
- Marine Accident Investigation Section (MAIS), Hong Kong X163. Marine Accident Investigation Agencies and Landmark Inquiries
- See Hong Kong MARDEP MAIS.
- Marine Acoustics D5. Coastal processes, sea-level, cryosphere and ocean observation science
- Study of sound in seawater.
- Marine Aquaculture (Mariculture) D4. Fisheries, aquaculture, blue economy and marine resources
- Aquaculture in saltwater environments.
- Marine Atlantic X85. Ferries, Ro-Pax Operators and Routes
- Canadian Crown corporation operating ferries between North Sydney, Nova Scotia and Port aux Basques and Argentia, Newfoundland.
- Marine biocide X45. Marine Paints, Coatings and Antifouling
- Active substance approved for use in antifouling coatings under EU BPR or national equivalents.
- Marine Boundary Layer D1. Physical and chemical oceanography and marine meteorology
- Atmospheric boundary layer over the ocean.
- Marine Bumper X173. Mooring, Anchoring, OCIMF MEG4, and Equipment Numeral
- Generic term for elastomeric protection units on ships' sides or small craft, distinct from terminal-grade fenders.
- Marine Cable Maintenance X91. Submarines and Submarine Cable Systems
- Industry function performed by dedicated cable ships under regional agreements.
- Marine Care BV X120. Marine Catering, Provisions and Ship Chandlers
- Rotterdam based chemicals and cleaning supplier crossing into chandler distribution.
- Marine Cargo Survey X43. Marine Surveying and Warranty Surveying
- A general term embracing pre-loading, loading, in-transit, and discharge cargo inspections under marine insurance practice.
- Marine casualty X12. Maritime Casualties and Investigation
- Event defined in MSC.255(84) covering death, loss, damage, grounding, collision, structural failure, or pollution.
- Marine Casualty Investigation X7. Flag State, Port State Control and Detention Vocabulary
- Flag-state inquiry under SOLAS XI-1/6 and the Casualty Investigation Code.
- Marine Casualty Report X103. US Inland Waterway Towing and Barge
- The USCG Form CG-2692 report submitted following a reportable marine incident.
- Marine Chassis X83. ISO Container Manufacturing and Leasing
- Intermodal chassis designed for port operations rather than long-haul over the road.
- Marine Chemist X28. Ship Recycling and End-of-Life
- Certified specialist issuing gas-free and hot work certificates.
- Marine coordinator X42. Offshore Wind Installation and Cable Lay
- Role coordinating concurrent installation, cable lay, and crew transfer operations within a wind farm site.
- Marine Debris D3. Marine environmental science, pollution and conservation
- Solid persistent wastes in the marine environment.
- Marine Department Hong Kong X98. Ship Registries and Flag States
- Department of the HKSAR Government administering the Hong Kong Shipping Register.
- Marine Diesel Engine (Reg 13 Annex VI) X171. MARPOL 73/78: Annex-by-Annex Detailed Glossary
- Any reciprocating internal combustion engine operating on liquid or dual fuel installed on board, subject to NOx Tier I, II, or III emission limits based on construction date and area.
- Marine Diesel Oil (MDO) X2. Marine Bunker Fuels, Lubricants and Bunkering Operations
- Blend of distillate and a small fraction of residual, similar to DMB.
- Marine Electric casualty (1983) X163. Marine Accident Investigation Agencies and Landmark Inquiries
- United States-flag bulk carrier that capsized and sank off Virginia on 12 February 1983 with 31 fatalities, investigated by the United States Coast Guard Marine Board of Investigation and credited…
- Marine Energy Council X57. Ocean Energy Beyond Wind
- UK industry association representing tidal stream and wave developers in policy engagement.
- Marine Engineer Class I X21. STCW Certificates, Crewing and Seafarer Welfare
- UK MCA Chief Engineer level CoC under STCW III/2.
- Marine Engineer Class II X21. STCW Certificates, Crewing and Seafarer Welfare
- UK MCA Second Engineer level CoC under STCW III/2.
- Marine Engineer Class III X21. STCW Certificates, Crewing and Seafarer Welfare
- UK MCA Engineer Officer of the Watch CoC under STCW III/1.
- Marine Engineer Officer F3. Seafaring Life, Education, Professions and Institutions
- STCW-certified engine-room officer.
- Marine Engineer Officer of the Watch (EOOW) X160. Maritime Academies, Universities, and STCW Certification
- UK MCA terminology for STCW A-III/1 certificate of competency for officers in charge of an engineering watch.
- Marine Engineer, Forensic X157. Marine Loss Adjusters, GA Practice, and Casualty Firms
- Specialist examining propulsion, electrical, or auxiliary failures after casualty.
- Marine Engineering and Research Institute X121. Maritime Education, Academies and Universities
- MERI in Kolkata and former MERI Mumbai (now IMU Mumbai Port), founded 1949 (Kolkata) as the Directorate of Marine Engineering Training, India's premier government marine engineering school…
- Marine Engineering Research Institute Kolkata X55. Marine Simulators, Training and Maritime Academies
- MERI Kolkata, an Indian Maritime University campus offering the four-year B.Tech. (Marine Engineering).
- Marine Engineering Research Institute Mumbai X55. Marine Simulators, Training and Maritime Academies
- MERI Mumbai, an Indian Maritime University campus offering marine engineering and graduate marine engineering programs.
- Marine Engineering Survey X43. Marine Surveying and Warranty Surveying
- A condition and performance inspection of propulsion, auxiliary, and electrical systems performed by qualified marine engineers.
- Marine Engineers' Beneficial Association (MEBA) X154. Maritime Welfare, Seafarer Charities, and MLC Rights
- US licensed-engineer union providing pension and welfare benefits.
- Marine Environment Protection Committee X50. Ship Recycling, Demolition and Hong Kong Convention
- The IMO body responsible for adopting and revising the HKC implementing resolutions.
- Marine Equipment Trade Show (METSTRADE) X119. Maritime Conferences, Trade Shows and Awards
- Annual Amsterdam leisure marine equipment fair since 1988.
- Marine evacuation system X24. Cruise, Passenger Ship and Ferry Operations
- SOLAS III chute or slide system delivering passengers to liferafts.
- Marine Evacuation System (MES) X170. SOLAS 1974 Convention: Chapter-by-Chapter Glossary
- Slide or chute system complying with LSA Code 6.2, permitting rapid transfer of passengers to liferafts.
- Marine Exhaust Solutions (MES) X69. EGCS Scrubbers, SCR and Marine Air Emissions
- Canadian supplier historically associated with EcoSilencer marine scrubber.
- Marine forecast X16. Nautical Science, Navigation and COLREGs
- Weather forecast for coastal and offshore waters.
- Marine Fuel Oil (MFO) X116. Global Bunker Anchorages, Hubs and Supply Infrastructure
- Generic term for residual marine fuel grades within ISO 8217 RM range.
- Marine gas oil (MGO) B2. Marine Engineering
- DMA distillate fuel per ISO 8217.
- Marine Geomatics X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines
- Discipline integrating geodesy, hydrography, and GIS for cable and pipeline route engineering.
- Marine Grade Aluminum X83. ISO Container Manufacturing and Leasing
- Aluminum alloy used for the panels of certain specialty intermodal containers.
- Marine grade epoxy X45. Marine Paints, Coatings and Antifouling
- Epoxy coating qualified for immersion and atmospheric marine service.
- Marine growth X42. Offshore Wind Installation and Cable Lay
- Biofouling on subsea structures considered in hydrodynamic load assessment and operational inspection.
- Marine growth prevention system X165. Marine Coatings, Antifouling, and Hull Husbandry
- Copper or aluminum anode array energized to dose seawater piping intakes with antifouling ions.
- Marine growth prevention system (MGPS) B2. Marine Engineering
- Anti-fouling system for seawater intakes.
- Marine Hazard Information X80. Maritime Search and Rescue Coordination
- Hazard notices broadcast through NAVTEX and SafetyNET.
- Marine Heatwave (MHW) D1. Physical and chemical oceanography and marine meteorology
- Persistent anomalously warm sea surface temperature event.
- Marine Heatwave Category D5. Coastal processes, sea-level, cryosphere and ocean observation science
- Hobday et al. classification scheme for marine heatwaves.
- Marine Hydraulics International X113. Drydock and Ship Repair Yards
- Norfolk, Virginia, ship repairer specializing in commercial and government vessel repair on the East Coast.
- Marine incident X12. Maritime Casualties and Investigation
- Event other than a marine casualty that could endanger ship, persons, or environment.
- Marine Information Overlay X73. Marine Hydrography, Charting and ENC
- AIO from UKHO containing T&P NMs and selected ENC preliminaries.
- Marine Inquiry Officer X163. Marine Accident Investigation Agencies and Landmark Inquiries
- Inspector designation used in several jurisdictions for the official authorised to conduct evidentiary interviews under domestic investigation legislation.
- Marine Institute Memorial University of Newfoundland X121. Maritime Education, Academies and Universities
- Fisheries and Marine Institute in St John's, founded 1964, Canada's largest marine educational and training centre.
- Marine Institute of Memorial University X160. Maritime Academies, Universities, and STCW Certification
- Newfoundland and Labrador's specialist marine and fisheries institute at St John's, affiliated with Memorial University since 1992.
- Marine Insurance Act 1906 X4. Marine Insurance, P&I and Claims
- UK statute codifying marine insurance law, substantially amended for non-consumer business by the Insurance Act 2015.
- Marine Insurance Act 1906 (MIA 1906) X117. Marine Insurance Markets, Captives and Reinsurance
- The UK statute codifying English marine insurance law, applicable to most London market policies.
- Marine Insurance Act 1906 (UK) X145. P&I Clubs, War Risk Insurers, and Marine Insurance Markets
- Codifying statute of English marine insurance law.
- Marine Insurance Act 1909 (Australia) X145. P&I Clubs, War Risk Insurers, and Marine Insurance Markets
- Australian counterpart largely mirroring the UK 1906 Act.
- Marine insurance arbitration X152. Maritime Arbitration and Dispute Resolution
- Disputes under hull, cargo, or P&I policies; some standard wordings expressly refer disputes to arbitration.
- Marine Insurance London X119. Maritime Conferences, Trade Shows and Awards
- Annual UK conference for marine underwriters convened by IUA.
- Marine Insurance Nordics X119. Maritime Conferences, Trade Shows and Awards
- Annual Cefor-affiliated regional conference held in Oslo.
- Marine Insurance Surveyor F3. Seafaring Life, Education, Professions and Institutions
- Loss-adjusting professional.
- Marine Investigation X103. US Inland Waterway Towing and Barge
- The USCG inquiry conducted after a serious marine casualty.
- Marine Liability Insurance X4. Marine Insurance, P&I and Claims
- liability cover for shipowners, charterers, terminals, and others involved in marine adventure.
- Marine Litter Watch D3. Marine environmental science, pollution and conservation
- EEA-supported citizen science marine litter monitoring.
- Marine loading arm X15. Ports, Terminals and Stevedoring
- rigid articulated arm transferring liquids or LNG at jetties.
- Marine Maintenance Agreement (MMA) X122. Submarine Cable Laying, Repair Vessels and Operators
- Multi-year ICPC-style contract under which a cable ship operator guarantees response time for repairs across a defined geographic zone.
- Marine Mammal Observer (MMO) X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines
- Specialist on installation vessels monitoring marine mammals during seismic, piling, or jetting activities.
- Marine Mammal Protection X28. Ship Recycling and End-of-Life
- Pre-beaching considerations limiting impact on coastal fauna.
- Marine money C1. Commercial shipping, chartering, economics and finance
- Industry publication on ship finance.
- Marine Money Greek Forum X119. Maritime Conferences, Trade Shows and Awards
- Annual Athens event by Marine Money International.
- Marine Money Hamburg Ship Finance Forum X119. Maritime Conferences, Trade Shows and Awards
- Annual ship finance conference launched 1995.
- Marine Money International X101. Vessel Brokerage Software and Chartering Platforms
- New York-based maritime finance publication and conference organizer founded in 1988.
- Marine Money London Ship Finance Forum X119. Maritime Conferences, Trade Shows and Awards
- Annual Marine Money event held each January.
- Marine Money Singapore Week X119. Maritime Conferences, Trade Shows and Awards
- Annual ship finance event held since 2008.
- Marine Money Week New York X119. Maritime Conferences, Trade Shows and Awards
- Annual flagship of the Marine Money Forums since 1988.
- Marine Nationale X91. Submarines and Submarine Cable Systems
- French Navy, operator of Suffren-class and Triomphant-class submarines.
- Marine Natural Product D4. Fisheries, aquaculture, blue economy and marine resources
- Bioactive compound derived from marine organisms.
- Marine Notice X98. Ship Registries and Flag States
- Document issued by a flag administration to convey statutory or operational requirements to its fleet.
- Marine Open Cover X4. Marine Insurance, P&I and Claims
- see Open Cover.
- Marine Operations Manual (MOM) X14. Offshore Oil and Gas Marine Operations
- Vessel-specific manual for DP and field operations.
- Marine Pilot F3. Seafaring Life, Education, Professions and Institutions
- Compulsory pilot for ports and confined waters.
- Marine PMS by Marpoint X67. Marine Electrical Systems and Shore Power
- Power management system from Greek supplier Marpoint for small commercial vessels.
- Marine Pollutant X1. Cargo Science, Commodities and Cargo Care
- IMDG marking for substances harmful to marine environment.
- Marine Pollutant (Annex III) X171. MARPOL 73/78: Annex-by-Annex Detailed Glossary
- A substance identified as such in the IMDG Code on the basis of the criteria in Annex III, requiring specific marking, labelling, packaging, documentation, and stowage.
- Marine Pollutant Mark X75. IMDG Code, Classes, Packing and Segregation
- Pictogram of fish and tree on packages, freight containers and tank containers carrying marine pollutants.
- Marine Pollution Tax X50. Ship Recycling, Demolition and Hong Kong Convention
- A jurisdiction-specific levy potentially applicable to recycling discharges in some importing states.
- Marine Propulsion Holland (MPH) X38. Propellers, Stern Gear and Shaft Lines
- Dutch supplier of CPP systems and steering gears for workboat and inland markets.
- Marine Protected Area X73. Marine Hydrography, Charting and ENC
- MPA, charted via S-122 product specification under S-100.
- Marine Protected Area (MPA) D3. Marine environmental science, pollution and conservation
- Geographically defined area managed for conservation.
- Marine Railway X113. Drydock and Ship Repair Yards
- Inclined-rail haulout system on which a cradle carrying the vessel is winched out of the water for repair.
- Marine Reinsurance X117. Marine Insurance Markets, Captives and Reinsurance
- Reinsurance of marine cargo, hull, energy, and liability portfolios.
- Marine Renewable Energy Vessel E4. Cruise, offshore energy and auxiliary/specialised fleets
- Generic class for tidal/wave installation.
- Marine Rescue Technologies X95. GMDSS Equipment and Survival Craft Communications
- United Kingdom manufacturer of AIS man overboard devices including the M10 series.
- Marine Reserve D3. Marine environmental science, pollution and conservation
- Highly protected MPA with strict no-take rules.
- Marine S Band Radar X109. Maritime Autonomous Surface Ships and MASS Code
- The S band marine radar used for longer range and improved performance in heavy weather, used on MASS for sensor diversity.
- Marine Safety Information (MSI) X16. Nautical Science, Navigation and COLREGs
- NAVAREA warnings, weather and other safety broadcasts.
- Marine Sanitation Device (MSD) X41. Cruise Ship Public Health and VSP/USPH
- Sewage treatment unit certified by USCG and IMO that must not interconnect with potable services.
- Marine Scotland X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines
- Scottish Government directorate that licenses subsea cables and pipelines in Scottish waters.
- Marine Services Network X86. Port Agency, Husbandry and Disbursement
- Network of marine technical services offered alongside agency.
- Marine snow X10. Marine Biology, Fisheries and Oceanography
- Falling aggregates of organic detritus that fuel the deep-sea food web.
- Marine Society and Sea Cadets X121. Maritime Education, Academies and Universities
- MSSC, headquartered in Lambeth, London, founded 1756 (Marine Society) and 1856 (Sea Cadets), the UK's principal voluntary maritime youth and crew development charity.
- Marine Spatial Planning D4. Fisheries, aquaculture, blue economy and marine resources
- Coordinated planning of marine area use.
- Marine Spatial Planning Directive 2014/89/EU X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines
- EU directive requiring member states to establish maritime spatial plans by 2021.
- Marine Spatial Planning Programme (IOC-UNESCO) X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines
- UN initiative providing guidance and tools for marine spatial planning in member states.
- Marine Spill Response Corporation X60. Marine Salvage and Wreck Removal
- US OSRO providing Tier 3 spill response in support of the Oil Pollution Act of 1990.
- Marine Spill Response Corporation (MSRC) X126. Marine Oil Spill Response and OPRC Regimes
- US OPA 90 Tier 2 OSRO with 16 response vessels and OSRV depots from Edison to Lake Charles to Honolulu.
- Marine Stewardship Council (MSC) X10. Marine Biology, Fisheries and Oceanography
- NGO that certifies sustainable wild-capture fisheries.
- Marine Sulphur Queen disappearance (1963) X163. Marine Accident Investigation Agencies and Landmark Inquiries
- United States-flag tanker lost with all 39 crew in the western Atlantic in February 1963, investigated by the United States Coast Guard Marine Board of Investigation.
- Marine Survey Operations Specifications (MSOS) X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines
- Common contract document setting performance and reporting requirements for cable and pipeline surveys.
- Marine Surveyor X43. Marine Surveying and Warranty Surveying
- A professionally qualified individual who inspects vessels, cargoes, and marine structures and reports findings for owners, insurers, charterers, or authorities.
- Marine Technologies BridgeMate X144. Bridge Simulators, Engine Room Simulators, and Maritime Training Equipment
- US simulator provider acquired by ABB.
- Marine VHF Channel 16 B3. Nautical Science
- International distress and calling channel.
- Marine VHF Channel 70 B3. Nautical Science
- DSC calling channel.
- Marine Warranty Surveyor X13. Marine Salvage and Wreck Removal
- Independent assurance role on heavy lift, tow, and salvage moves.
- Marine Warranty Surveyor (MWS) X104. Project Cargo Forwarders and Heavy Transport
- Independent surveyor approving heavy lift and transport operations on behalf of insurers.
- Marine Well Containment Company (MWCC) X126. Marine Oil Spill Response and OPRC Regimes
- Houston-based deepwater capping consortium of ExxonMobil, Chevron, Shell, and BP serving the US Gulf of Mexico.
- Marine X Band Radar X109. Maritime Autonomous Surface Ships and MASS Code
- The traditional X band marine radar used widely for short and medium range detection on commercial vessels and MASS.
- MarinE-CCS X34. Decarbonization, Alternative Fuels and Carbon Pricing
- Norwegian research initiative on shipboard CO2 capture.
- MarineCadastre.gov X74. AIS Data, Vessel Tracking and Maritime Intelligence
- US joint NOAA and BOEM portal publishing historic AIS data for US waters.
- MARINEDigital X29. Ship Sale and Purchase, Management Contracts and Valuation
- Vessel performance and digitalization software supplier.
- MarineKor X165. Marine Coatings, Antifouling, and Hull Husbandry
- Branded ICCP system supplier of impressed-current hull and seawater MGPS systems.
- MarinElectric Shaft Generator X67. Marine Electrical Systems and Shore Power
- Shaft generator solutions from MarinElectric used in retrofit and newbuild installations.
- Marineline 784 X93. IBC Code and Chemical Tanker Operations
- Advanced Polymer Coatings cargo tank lining engineered for resistance to aggressive chemical cargoes.
- MarineLink Notices X167. Major Salvage Companies, Wreck Removals, and Equipment
- Industry channel for salvage and wreck removal announcements.
- MarineMax Yacht Care X156. Superyacht Industry, Builders, and Yacht Charter Market
- Yacht management division of MarineMax Inc. operating across the United States.
- Mariner X15. Ports, Terminals and Stevedoring
- TideWorks TOS product for terminals.
- Mariner Information Object X73. Marine Hydrography, Charting and ENC
- MIO, a custom user-added object overlaid in an ECDIS without altering ENC source data.
- Mariner of the Seas X64. Cruise Industry Operators, Brands and Ships
- Royal Caribbean Voyager-class ship delivered in 2003.
- Mariner Operator Conditional (MOC) Submission Type X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA
- The SIRE 2.0 submission category indicating the operator has scheduled the inspection through the OCIMF program.
- Mariner S-Band X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS
- Common term for 3 GHz (10 cm wavelength) radar offering improved performance in rain and clutter.
- Mariner training (STCW V/3) X27. Polar Code, Ice Navigation and Polar Operations
- Polar waters basic and advanced training under STCW Chapter V.
- Mariner USV X109. Maritime Autonomous Surface Ships and MASS Code
- A vessel of the United States Navy Overlord USV program demonstrating long endurance unmanned operation.
- Mariner X-Band X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS
- Common term for 9 GHz (3 cm wavelength) radar offering high resolution at short range.
- Mariner's Compass F1. Maritime History
- Magnetized needle device introduced to Europe in the late twelfth century.
- Mariner's Handbook (NP100) X16. Nautical Science, Navigation and COLREGs
- UKHO general reference for navigation and bridge practice.
- Mariners Advocacy (SCI) X102. Seafarer Welfare and Maritime Charities
- Seamen's Church Institute legal advocacy program providing pro bono representation to merchant mariners.
- Mariners Final Voyage Pay X28. Ship Recycling and End-of-Life
- Crew wages, repatriation, and bonuses managed as the ship proceeds to recycling.
- Mariners' Club Hong Kong X102. Seafarer Welfare and Maritime Charities
- Multi-faith seafarers' center on Middle Road, Tsim Sha Tsui, operated by the Hong Kong Mariners' Club.
- Mariners' Museum and Park, Newport News F2. Maritime Culture, Heritage, Archaeology, Art and Museums
- Major US maritime museum.
- MarineSoft Pilot Plug X159. Marine Pilotage, Pilot Districts, and Pilots' Associations
- Reference to the standard CIRM pilot plug interface used by MarineSoft training products and others.
- MaRINET2 X57. Ocean Energy Beyond Wind
- European Union funded program providing access to ocean energy test infrastructures across member states.
- MarineTraffic X23. AIS, GMDSS, IALA Buoyage and Aids to Navigation
- Commercial AIS data and tracking platform headquartered in Athens.
- MarineTraffic API X74. AIS Data, Vessel Tracking and Maritime Intelligence
- REST and streaming interfaces for AIS positions, port calls and vessel particulars.
- MarineTraffic Density Maps X74. AIS Data, Vessel Tracking and Maritime Intelligence
- Heatmap product derived from years of aggregated AIS positions.
- Marinette Marine X77. Naval Mine Warfare and Mine Countermeasures
- A US shipyard that participated in construction of the Avenger-class MCM ships.
- MarineXchange X78. Voyage Optimization and Vessel Performance Software
- A maritime software provider whose products historically included shore excursion and cruise operations management tools.
- Marinor X111. Methanol, Ammonia and Alternative Marine Fuels
- Methanol dual-fuel product tanker in the Waterfront Shipping series.
- Marintec China X119. Maritime Conferences, Trade Shows and Awards
- Biennial Shanghai international maritime exhibition since 1981, organized by Informa Markets.
- Marintec Indonesia X119. Maritime Conferences, Trade Shows and Awards
- Biennial Jakarta exhibition, partner to Marintec China.
- Marintec South America X119. Maritime Conferences, Trade Shows and Awards
- Biennial Rio de Janeiro maritime exhibition launched 2009.
- MarinTrust X131. Commercial Fisheries, Trawler Fleets and Seafood Processors
- Certification standard for fishmeal and fish oil factories.
- Mario Zucchelli Station X133. Polar Research Vessels and Polar Code Regimes
- Italian PNRA summer-only base in Terra Nova Bay, Ross Sea.
- Mariotti Yachts X156. Superyacht Industry, Builders, and Yacht Charter Market
- Italian builder at Genoa, part of Cantieri Navali San Marco, producing custom steel motor yachts.
- MARIS X129. Hydrographic Offices, Survey Vessels and Marine Cartography
- Norwegian ECDIS manufacturer producing systems used on offshore and survey vessels.
- MARISAT X68. Maritime Satcom and Telecommunications
- Original maritime satellite constellation launched in the 1970s that preceded Inmarsat services.
- Mariscope X65. ROVs, AUVs, USVs and Marine Robotics
- Chilean manufacturer of compact inspection-class ROVs used in aquaculture and inland survey.
- Marit X109. Maritime Autonomous Surface Ships and MASS Code
- A sister ASKO Maritime autonomous electric container barge operating in the Oslofjord.
- Maritec Pte Ltd X115. Marine Bunker and Cargo Surveying
- Singapore-based fuel testing and bunker advisory company providing ISO 8217 conformity testing.
- Maritim Equity Partners X49. Ship Finance, Leasing and Maritime Capital Markets
- Hamburg based maritime private equity manager.
- Maritime Academy X21. STCW Certificates, Crewing and Seafarer Welfare
- Institution delivering STCW approved officer programs.
- Maritime Academy Charter School Philadelphia X121. Maritime Education, Academies and Universities
- Public charter school grades K-12 with maritime focus.
- Maritime Academy of Asia and the Pacific X121. Maritime Education, Academies and Universities
- MAAP in Bataan, Philippines, founded 1998 by the Associated Marine Officers' and Seamen's Union of the Philippines, awarding BSc Marine Transportation and Marine Engineering.
- Maritime Academy of Asia and the Pacific (MAAP) X160. Maritime Academies, Universities, and STCW Certification
- Philippine maritime academy in Mariveles Bataan founded in 1998 by the Associated Marine Officers and Seamen's Union of the Philippines.
- Maritime Academy of Nigeria Oron X121. Maritime Education, Academies and Universities
- See Federal Maritime College Oron.
- Maritime and Coastguard Agency X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines
- UK authority issuing notices to mariners covering cable-lay and pipelay operations in UK waters.
- Maritime and Commercial High Court of Copenhagen X114. Maritime Arbitration and Shipping Law Firms
- Specialised Danish court hearing maritime claims and supporting arbitrations.
- Maritime and Port Authority of Singapore X98. Ship Registries and Flag States
- MPA, Singapore's flag administration and port authority, administering the Singapore Registry of Ships.
- Maritime and Port Authority of Singapore (MPA) Academy X160. Maritime Academies, Universities, and STCW Certification
- Singapore government academy at Tanah Merah delivering port management, hydrography, and maritime administration training.
- Maritime and Port Authority Singapore X138. Global Container Terminal Operators and Port Equipment
- MPA, statutory board regulating Singapore port operations including PSA concessions.
- Maritime Anomaly Detection X139. Maritime Cybersecurity, OT Threats and Standards
- Discipline combining AIS, GNSS, and network telemetry to flag suspicious vessel behavior.
- Maritime Arbitration X114. Maritime Arbitration and Shipping Law Firms
- Specialised process determining commercial disputes arising from maritime transport, shipbuilding, salvage, and marine insurance.
- Maritime Archaeology Trust F2. Maritime Culture, Heritage, Archaeology, Art and Museums
- UK heritage body.
- Maritime Assistance Service X80. Maritime Search and Rescue Coordination
- Coastal MAS distinct from SAR, handling non-distress incidents.
- Maritime Authority of the Cayman Islands (MACI) X156. Superyacht Industry, Builders, and Yacht Charter Market
- Statutory body administering the Cayman Islands Shipping Registry and Cayman flag services for yachts.
- Maritime Autonomous Surface Ship (Service) E4. Cruise, offshore energy and auxiliary/specialised fleets
- Autonomous workboat/ferry service.
- Maritime Awards Gala (Netherlands) X119. Maritime Conferences, Trade Shows and Awards
- Annual gala in Rotterdam organized by Stichting Nederland Maritiem Land since 1989.
- Maritime Boundary A6. Public international law of the sea
- Line dividing maritime zones between states.
- Maritime Bulk Liquids Transfer Cybersecurity Framework Profile X148. Maritime Cybersecurity, IACS Cyber Rules, and Incidents
- A US NIST/USCG profile providing CSF guidance for tanker-to-shore transfers.
- Maritime CEO Forum X119. Maritime Conferences, Trade Shows and Awards
- Periodic invitation-only roundtables run by Asia Shipping Media in Singapore and Monaco.
- Maritime Charities Group (MCG) X102. Seafarer Welfare and Maritime Charities
- UK collaboration of maritime charities, founded 2003, coordinating research and joint grant programs.
- Maritime CIO Forum X119. Maritime Conferences, Trade Shows and Awards
- Annual digital and IT in shipping conference hosted by The Digital Ship in London and Singapore.
- Maritime Claim X51. Maritime Arbitration, Law and BIMCO Clauses
- A claim falling within section 20 of the Senior Courts Act 1981 or the Arrest Conventions, founding admiralty jurisdiction.
- Maritime cluster C4. Ports, terminals and coastal/marine civil engineering
- Geographical concentration of maritime industries.
- Maritime Component Commander (MCC) E2. Naval, defence and maritime law enforcement
- Service component lead in a joint task force.
- Maritime Connectivity Platform (MCP) E3. Technology, digitalization and smart shipping
- IALA-supported e-navigation identity/service registry.
- Maritime Conventions Act 1911 (UK) X143. Landmark Maritime Law Cases and Doctrines
- Statute giving effect to the 1910 Brussels Collision Convention.
- Maritime Conveyance Travel Notice X41. Cruise Ship Public Health and VSP/USPH
- CDC public notice describing health risks associated with travel by ship, including outbreak situations.
- Maritime Cook Islands X7. Flag State, Port State Control and Detention Vocabulary
- Flag administration for the Cook Islands register.
- Maritime Coordination X80. Maritime Search and Rescue Coordination
- SMC function applied specifically to maritime SAR incidents.
- Maritime Cyber Alliance X148. Maritime Cybersecurity, IACS Cyber Rules, and Incidents
- An informal coalition of shipping companies, ports, and class societies sharing cyber threat intelligence.
- Maritime Cyber Baseline X48. Maritime Cybersecurity
- Common term for a defined minimum set of cyber controls expected on board, used by several class societies.
- Maritime Cyber Baseline (MCB) X139. Maritime Cybersecurity, OT Threats and Standards
- UK Department for Transport assurance scheme launched in 2023 with IASME certification.
- Maritime Cyber Risk Management X22. Piracy, Maritime Security and Armed Protection
- IMO defined process to identify, analyze, assess and communicate cyber related risks.
- Maritime Cyber Risk Self-Assessment Tool E3. Technology, digitalization and smart shipping
- BIMCO online tool.
- Maritime Cyber Security Awareness Training E1. Maritime security, geopolitics and risk
- STCW-aligned training pursuant to MSC.428(98).
- Maritime Cybersecurity X68. Maritime Satcom and Telecommunications
- Disciplines and tools, often delivered as part of services such as Fleet Secure, that protect vessel networks.
- Maritime Cyprus Conference X119. Maritime Conferences, Trade Shows and Awards
- Biennial Limassol event by the Cyprus Shipping Chamber and Ministry, since 1989.
- Maritime Declaration of Health X24. Cruise, Passenger Ship and Ferry Operations
- WHO IHR 2005 form completed by the master before arrival.
- Maritime Declaration of Health (MDH) X36. Shipboard Medical, Telemedicine and Seafarer Health
- IHR 2005 Annex 8 form submitted to port health authority on arrival.
- Maritime Domain Awareness (MDA) E1. Maritime security, geopolitics and risk
- Effective understanding of anything in the maritime domain affecting security.
- Maritime Education and Training X21. STCW Certificates, Crewing and Seafarer Welfare
- MET, the formal training of seafarers under STCW.
- Maritime Education and Training Institute (METI) X160. Maritime Academies, Universities, and STCW Certification
- Generic STCW term covering any institution approved under STCW regulation I/6 to deliver maritime training.
- Maritime Education and Training Programme WMU X55. Marine Simulators, Training and Maritime Academies
- Specialization at the World Maritime University focusing on maritime training, examination, and assessment.
- Maritime Energy Transition Forum X119. Maritime Conferences, Trade Shows and Awards
- Annual Singapore conference launched 2020.
- Maritime expert X152. Maritime Arbitration and Dispute Resolution
- Specialist witness with seafaring, surveyor, naval architect, or commercial shipping background giving opinion evidence.
- Maritime House (Singapore) X102. Seafarer Welfare and Maritime Charities
- Maritime industry building in Singapore that hosts unions and welfare offices, including the Singapore Maritime Officers' Union.
- Maritime HR Conference X119. Maritime Conferences, Trade Shows and Awards
- Annual people-management event hosted by Spinnaker Global in London.
- Maritime Industries Forum X57. Ocean Energy Beyond Wind
- European policy grouping that has addressed CO2 carriers and offshore hydrogen shipping.
- Maritime Industry Authority Awards (Philippines) X119. Maritime Conferences, Trade Shows and Awards
- National maritime awards held annually in Manila.
- Maritime Industry Forum (Singapore) X119. Maritime Conferences, Trade Shows and Awards
- Annual MPA-led briefing during Singapore Maritime Week.
- Maritime Institute of Technology and Graduate Studies X55. Marine Simulators, Training and Maritime Academies
- MITAGS, U.S. training facility in Linthicum Heights, Maryland, providing officer upgrade and simulator courses.
- Maritime Institute Willem Barentsz X121. Maritime Education, Academies and Universities
- MIWB in West-Terschelling, founded 1875, the Wadden Islands nautical college now part of NHL Stenden University of Applied Sciences, offering Maritime Officer (Maritiem Officier) BSc.
- Maritime Interdiction Operation (MIO) E2. Naval, defence and maritime law enforcement
- Boarding/search/seizure mission.
- Maritime Investigation Section (USCG) X163. Marine Accident Investigation Agencies and Landmark Inquiries
- See United States Coast Guard Office of Investigations and Casualty Analysis.
- Maritime Just Transition Task Force X34. Decarbonization, Alternative Fuels and Carbon Pricing
- Joint effort by ICS, ITF, IMO, ILO, and UN Global Compact addressing seafarer training for alternative fuels.
- Maritime Labour Certificate A4. Other IMO and ILO conventions and codes
- Required under MLC for ships of 500 GT and above engaged on international voyages.
- Maritime Labour Certificate (MLC) X102. Seafarer Welfare and Maritime Charities
- Document issued by a flag state attesting MLC 2006 compliance, valid for up to five years.
- Maritime Labour Convention X125. Superyacht Industry, Builders and Brokers
- MLC 2006, governing seafarer working conditions including yacht crew.
- Maritime Labour Convention (MLC) 2006 E1. Maritime security, geopolitics and risk
- ILO instrument, security-relevant for crew welfare in K&R cases.
- Maritime Labour Convention 2006 X21. STCW Certificates, Crewing and Seafarer Welfare
- ILO consolidated treaty on seafarer rights and conditions, in force 20 August 2013.
- Maritime Labour Convention 2006 MLC X28. Ship Recycling and End-of-Life
- ILO instrument applicable up to repatriation of crew at the recycling port.
- Maritime Lien A5. Maritime Law, private and commercial
- Privileged claim attaching to the ship and surviving change of ownership.