Glossary
Maritime glossary, terms beginning with M (page 9)
All maritime glossary terms that begin with the letter M, drawn from every subject section. 2781 entries.
Showing 250 of 2781 terms (page 9 of 12).
- Mitsubishi UE Engine X67. Marine Electrical Systems and Shore Power
- Two-stroke crosshead marine diesel from Mitsubishi Heavy Industries, used mainly as main propulsion.
- Mitsubishi UEC B2. Marine Engineering
- Two-stroke engine family licensed from Mitsubishi.
- Mitsui E&S X94. Port Machinery and Quay Equipment Makers
- Japanese heavy-industry company producing port cranes, formerly trading as Mitsui Engineering and Shipbuilding.
- Mitsui E&S Machinery X90. Marine Engine Specific Model Enumeration
- Japanese licensed builder of MAN B&W two-stroke marine engines.
- Mitsui E&S Shipbuilding X29. Ship Sale and Purchase, Management Contracts and Valuation
- Japanese yard building bulkers and containers.
- Mitsui E&S Tamano X113. Drydock and Ship Repair Yards
- Japanese shipbuilder at Tamano, Okayama, building tankers and special vessels with related repair work.
- Mitsui ENG Ammonia Bunker Vessel X140. Ammonia as Marine Fuel and Hydrogen Shipping
- 5,000 m3 design with ABS AIP for Singapore deployment.
- Mitsui Engineering and Shipbuilding (MES) X46. Container Terminal Operations
- The Japanese engineering group whose Mitsui Miike Machinery operations have supplied quay cranes, transfer cranes, and AGVs to container terminals.
- Mitsui OSK Lines X56. LNG/LPG Carriers and IGC Code
- Japanese shipping major with a large LNG and LPG fleet, commonly abbreviated MOL.
- Mitsui OSK Lines (MOL) X44. Shipping Indices, FFAs and Freight Markets
- Japanese shipping group whose chartering and derivatives activity is referenced in market commentary on Capesize and tanker FFAs.
- Mitsui RTG X169. Container Terminal Cranes, Yard Equipment, and Lashing
- Rubber tyred gantry built by Mitsui E&S Machinery for container yard service.
- Mitsui Sumitomo Insurance X117. Marine Insurance Markets, Captives and Reinsurance
- Japanese marine insurer with Lloyd's Syndicate 3210 (MS Amlin).
- Mitsui Sumitomo Marine X145. P&I Clubs, War Risk Insurers, and Marine Insurance Markets
- Japanese marine insurer.
- Mitsui-Paceco X94. Port Machinery and Quay Equipment Makers
- San Francisco-area joint venture combining Mitsui's manufacturing with Paceco's portainer design heritage.
- Mittelland Canal X166. Inland Waterways, Ferries, RoRo, and Short Sea Shipping
- The 325 km east-west German canal linking the Dortmund-Ems Canal to the Elbe near Magdeburg, the longest artificial waterway in Germany.
- Mixed Acid Spent X75. IMDG Code, Classes, Packing and Segregation
- UN 1826, Class 8 with Class 5.1 subsidiary risk.
- Mixed cargo charter C1. Commercial shipping, chartering, economics and finance
- Charter allowing carriage of mixed commodities.
- Mixed Cargo Survey X115. Marine Bunker and Cargo Surveying
- Survey covering multiple cargo grades or multiple consignees on the same vessel, requiring careful tank-by-tank apportionment.
- Mixed Cargoes Clause X51. Maritime Arbitration, Law and BIMCO Clauses
- A bill of lading provision regulating loss apportionment where damaged and sound cargo are not separately identifiable.
- Mixed Class Container X75. IMDG Code, Classes, Packing and Segregation
- CTU containing more than one class of dangerous goods, requiring all relevant labels on each side and end of the CTU.
- Mixed Crew X84. Yacht Racing, Regattas and Sailing Governance
- A crew composed of both genders, required in events such as the 470 and Nacra 17 at the Olympics.
- Mixed Flow Pump X63. Marine Auxiliary Machinery and Pumps
- Pump combining axial and radial impeller action, used for medium head and flow applications.
- Mixed Gas X82. Saturation Diving and Offshore Diving Operations
- Breathing gas containing inert components other than nitrogen.
- Mixed Gas Diving X82. Saturation Diving and Offshore Diving Operations
- Surface-supplied diving on heliox or trimix, typically 50 to 100 m.
- Mixed Lashing X9. Cargo Securing, Lashing and Stability Vocabulary
- Combination of chain and wire lashings; calculation uses lowest MSL.
- Mixed Layer D1. Physical and chemical oceanography and marine meteorology
- Near-surface layer of nearly uniform temperature and salinity due to turbulent mixing.
- Mixed Layer Depth (MLD) D1. Physical and chemical oceanography and marine meteorology
- Depth marking the base of the surface mixed layer.
- Mixed Metal Oxide Anode X100. Marine Cathodic Protection and Anodes
- An MMO-coated titanium anode used as the standard inert anode for modern marine ICCP systems.
- Mixed Policy X53. Marine Insurance, P&I and Hull Clauses
- A marine policy combining time and voyage elements.
- Mixed Tide D2. Hydrography, tides, waves, bathymetry and marine geology
- Tide with significant diurnal and semidiurnal components.
- Mixing Duct X69. EGCS Scrubbers, SCR and Marine Air Emissions
- Section between urea injection and SCR catalyst promoting reductant distribution.
- Mixing ratio X45. Marine Paints, Coatings and Antifouling
- Volume or weight ratio of base to curing agent specified for two-pack coatings.
- Mixture X75. IMDG Code, Classes, Packing and Segregation
- Solution or mechanical mixture of substances, IMDG provides classification rules in 2.0.3.
- MIYI (Marshall Islands Yacht Initiative) X35. Yacht and Superyacht Industry
- Marshall Islands registry program for commercial and private yachts.
- Mizuho Bank X49. Ship Finance, Leasing and Maritime Capital Markets
- Japanese megabank with a global ship finance platform.
- Mizuho-class X130. National Coast Guards and Cutter Fleets
- Japan Coast Guard PLH-21 patrol vessel with helicopter hangar, 5,300 tons, commissioned 1986.
- Mizzen X3. Ship Handling, Seamanship and Deck Vocabulary
- Aftermost mast in a yawl or ketch; sail set on it.
- Mk 110 X62. Naval Warships and Combat Systems
- 57mm naval gun system, US designation of the Bofors 57 Mk 3, fitted on LCS and Constellation-class.
- Mk 41 VLS X11. Naval Vessels, Warship Systems and Naval Architecture
- USN vertical launch system with strike, tactical, and self-defense cell lengths.
- Mk 45 X11. Naval Vessels, Warship Systems and Naval Architecture
- USN 5 inch/54 and 5 inch/62 lightweight naval gun.
- Mk 46 torpedo X11. Naval Vessels, Warship Systems and Naval Architecture
- USN lightweight ASW torpedo, Mod 5 SW for shallow water.
- Mk 48 ADCAP X11. Naval Vessels, Warship Systems and Naval Architecture
- USN heavyweight submarine torpedo, current Mod 7 Common Broadband Advanced Sonar System.
- Mk 48 ADCAP Torpedo X91. Submarines and Submarine Cable Systems
- US Navy heavyweight wire-guided submarine torpedo with the Advanced Capability upgrade family.
- Mk 54 LWT X11. Naval Vessels, Warship Systems and Naval Architecture
- USN lightweight torpedo replacing Mk 46.
- MK 56 X77. Naval Mine Warfare and Mine Countermeasures
- A US Navy moored anti-submarine influence mine with a magnetic firing system.
- MK 57 X77. Naval Mine Warfare and Mine Countermeasures
- A US Navy submarine-laid moored anti-submarine mine.
- Mk 57 PVLS X11. Naval Vessels, Warship Systems and Naval Architecture
- Peripheral Vertical Launching System on Zumwalt class.
- MK 57 VLS X62. Naval Warships and Combat Systems
- Mark 57 Vertical Launching System fitted on Zumwalt-class destroyers, mounted along the ship's periphery.
- MK 60 CAPTOR X77. Naval Mine Warfare and Mine Countermeasures
- A US Navy encapsulated Mk 46 torpedo mine for deep anti-submarine use.
- Mk 62 quickstrike X11. Naval Vessels, Warship Systems and Naval Architecture
- USN aircraft-laid bottom mine based on 500 lb bomb body.
- MK 63 Quickstrike X77. Naval Mine Warfare and Mine Countermeasures
- A US Navy air-laid bottom mine derived from the Mk 83 bomb.
- MK 64 Quickstrike X77. Naval Mine Warfare and Mine Countermeasures
- A US Navy air-laid bottom mine derived from the Mk 84 bomb.
- MK 65 Quickstrike X77. Naval Mine Warfare and Mine Countermeasures
- A purpose-designed US Navy thin-walled air-laid bottom mine with a large charge weight.
- MK 67 SLMM X77. Naval Mine Warfare and Mine Countermeasures
- The Submarine-Launched Mobile Mine, a US Navy weapon based on the Mk 37 torpedo airframe that can swim to a programmed location before bottoming as an influence mine.
- MK39 MOD X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS
- Northrop Grumman Sperry MK39 ring-laser-gyro attitude and heading reference used on naval and commercial ships.
- MKN X120. Marine Catering, Provisions and Ship Chandlers
- Wolfenbuettel, Germany headquartered manufacturer of marine combi steamers and SpaceCombi units.
- MKS-180 X62. Naval Warships and Combat Systems
- Original program designation for the German Navy F126 frigate class.
- MLB X6. Container, Intermodal and Trade Codes
- Minilandbridge, ocean-rail intermodal service between a US coast port and a US inland or opposite-coast city.
- MLC X21. STCW Certificates, Crewing and Seafarer Welfare
- Maritime Labour Convention 2006.
- MLC 2006 A4. Other IMO and ILO conventions and codes
- Maritime Labour Convention, 2006, ILO instrument with five titles.
- MLC 2006 Regulation 3.2 X120. Marine Catering, Provisions and Ship Chandlers
- Food and Catering regulation, requires food and water of appropriate quality, nutritional value, and quantity.
- MLC 2006 Regulation 4.1 X36. Shipboard Medical, Telemedicine and Seafarer Health
- Medical care on board ship and ashore.
- MLC 2006 Regulation 4.2 X36. Shipboard Medical, Telemedicine and Seafarer Health
- Shipowners' liability for crew illness, injury, and death.
- MLC 2006 Regulation 4.3 X36. Shipboard Medical, Telemedicine and Seafarer Health
- Health and safety protection and accident prevention.
- MLC 2006 Regulation 4.4 X36. Shipboard Medical, Telemedicine and Seafarer Health
- Access to shore-based welfare facilities.
- MLC 2006 Regulation 4.5 X36. Shipboard Medical, Telemedicine and Seafarer Health
- Social security for seafarers.
- MLC 2006 Title 4 X36. Shipboard Medical, Telemedicine and Seafarer Health
- Health Protection, Medical Care, Welfare and Social Security Protection.
- MLC 2014 Amendment X154. Maritime Welfare, Seafarer Charities, and MLC Rights
- Financial-security amendment on abandonment and on death-and-long-term-disability cover, in force 18 January 2017.
- MLC 2016 Amendment X154. Maritime Welfare, Seafarer Charities, and MLC Rights
- Amendment on harassment and bullying and on extension of SEA validity during captivity, in force 8 January 2019.
- MLC 2018 Amendment X154. Maritime Welfare, Seafarer Charities, and MLC Rights
- Amendment on continued contract and wages during seafarer captivity from piracy or armed robbery, in force 26 December 2020.
- MLC 2022 Amendment X154. Maritime Welfare, Seafarer Charities, and MLC Rights
- Amendment on social connectivity, PPE provision for seafarers, and recognition of seafarers as key workers, in force 23 December 2024.
- MLC Authorized Officer X102. Seafarer Welfare and Maritime Charities
- Flag state inspector empowered to detain or release ships under MLC 2006 enforcement.
- MLC Certificate X21. STCW Certificates, Crewing and Seafarer Welfare
- See Maritime Labour Certificate.
- MLC CIC (2016) X146. Port State Control Regimes, MoUs, and Inspection Systems
- The Paris MoU and Tokyo MoU CIC specifically focused on MLC, 2006 compliance.
- MLC Code A3.2 X120. Marine Catering, Provisions and Ship Chandlers
- Mandatory standards including cook qualification requirement on vessels with 10 or more crew.
- MLC Inspection X5. Marine Surveying and Inspection
- Maritime Labour Convention 2006 inspection by flag or RO.
- MLC Title 1 A4. Other IMO and ILO conventions and codes
- Minimum requirements for seafarers to work on a ship.
- MLC Title 2 A4. Other IMO and ILO conventions and codes
- Conditions of employment.
- MLC Title 3 A4. Other IMO and ILO conventions and codes
- Accommodation, recreational facilities, food and catering.
- MLC Title 4 A4. Other IMO and ILO conventions and codes
- Health protection, medical care, welfare and social security protection.
- MLC Title 5 A4. Other IMO and ILO conventions and codes
- Compliance and enforcement.
- MLC, 2006 Deficiency X146. Port State Control Regimes, MoUs, and Inspection Systems
- An 18xxx code recorded against Maritime Labour Convention shortcomings ranging from contracts to accommodation.
- MLDLT X133. Polar Research Vessels and Polar Code Regimes
- Mean Lower Daily Low Temperature, statistical basis for Polar Service Temperature.
- MLETR (UNCITRAL Model Law on Electronic Transferable Records) E3. Technology, digitalization and smart shipping
- Legal basis for eBL recognition.
- MM-950 X89. ECDIS and Bridge Equipment Makers
- Sperry Marine magnetic compass and binnacle assembly.
- MMA copolymer X45. Marine Paints, Coatings and Antifouling
- Methyl methacrylate copolymer used as binder in modern self-polishing antifouling paints.
- MMA Maine Maritime Academy X55. Marine Simulators, Training and Maritime Academies
- U.S. maritime academy founded in 1941 in Castine, Maine.
- MMBtu X20. LNG Operations and Custody Transfer
- Million Btu, standard LNG sales energy unit (1 MMBtu = 1.055 GJ).
- MMC Interface Detector X155. Marine Surveying Practice and Cargo Inspection
- A portable instrument by MMC International used for ullage, temperature, and oil-water interface measurement in cargo tanks.
- MMC Wreck Liaison X167. Major Salvage Companies, Wreck Removals, and Equipment
- UK Maritime Management Coordinator role on multi-agency casualty response.
- MME Group X100. Marine Cathodic Protection and Anodes
- A Netherlands-based supplier of sacrificial anodes and corrosion-monitoring equipment.
- MMG Promas-style designs X38. Propellers, Stern Gear and Shaft Lines
- Custom integrated propeller-hub-rudder designs cast by MMG for major newbuilds.
- MMG Sediment X124. Dredging Industry and Reclamation Contractors
- French sediment management firm.
- MMI charge X77. Naval Mine Warfare and Mine Countermeasures
- The Multi-Mission Identification charge used by EOD teams to attack mine and IED targets.
- MMI Energy X117. Marine Insurance Markets, Captives and Reinsurance
- Munich Re's energy and marine division writing facultative reinsurance.
- MMK X92. Marine Steel Suppliers and Shipbuilding Plate
- Magnitogorsk Iron and Steel Works, Russian integrated steel producer in the southern Urals.
- MMM (Mott MacDonald Marine) X157. Marine Loss Adjusters, GA Practice, and Casualty Firms
- Engineering consultancy providing casualty and salvage engineering.
- MMO Anode X100. Marine Cathodic Protection and Anodes
- The common abbreviation for a mixed-metal-oxide titanium anode used in ICCP systems.
- MMOPS X42. Offshore Wind Installation and Cable Lay
- Marine Mammal Observer, role required on certain pile driving operations.
- MMP X102. Seafarer Welfare and Maritime Charities
- International Organization of Masters, Mates and Pilots, US union representing licensed deck officers and pilots.
- MMR vaccine X36. Shipboard Medical, Telemedicine and Seafarer Health
- Measles, mumps, rubella combined vaccine in pre-employment schedules.
- MMS X15. Ports, Terminals and Stevedoring
- Maritime Mobile Service or various port MMS messaging systems.
- MMS Co Ltd X29. Ship Sale and Purchase, Management Contracts and Valuation
- Mitsui O.S.K. Lines Maritime Management Singapore arm.
- MMSCFI X44. Shipping Indices, FFAs and Freight Markets
- Sub-regional container freight indices occasionally referenced alongside SCFI for finer trade lane granularity.
- MMSI B3. Nautical Science
- Maritime Mobile Service Identity, 9-digit per ITU-R M.585.
- MMSI (Fishing Vessel) X87. Fishing Vessels and Fisheries Management
- Maritime Mobile Service Identity assigned by the flag state for AIS and DSC use.
- MMSI (Maritime Mobile Service Identity) X151. Maritime Sanctions, Dark Fleet, and Price Cap Regimes
- The nine-digit identifier embedded in AIS broadcasts, often spoofed by cloning legitimate vessels' MMSIs.
- MMV plan X57. Ocean Energy Beyond Wind
- Measurement, monitoring, and verification plan required for offshore CO2 storage sites under regulatory frameworks.
- MN4 D2. Hydrography, tides, waves, bathymetry and marine geology
- Shallow water tidal constituent from interaction of M2 and N2.
- Mnemiopsis leidyi X18. Ballast Water, Biofouling and Antifouling
- Comb jelly native to the US east coast, invasive in the Black Sea (1980s), Caspian Sea, and Baltic via ballast water.
- MNK-300 X77. Naval Mine Warfare and Mine Countermeasures
- A Russian shallow-water bottom influence mine.
- MNP X114. Maritime Arbitration and Shipping Law Firms
- Mariners' Network Pro reference to mediation networks.
- MNS-star X8. IACS, Class Rules and Class Notations
- ClassNK notation for machinery built under NK survey with star indicating full survey attendance.
- MNTB X102. Seafarer Welfare and Maritime Charities
- Merchant Navy Training Board within the UK Chamber of Shipping, governing cadet officer training standards.
- MNWB X102. Seafarer Welfare and Maritime Charities
- Merchant Navy Welfare Board, the UK umbrella welfare charity for the merchant fleet.
- MO X19. Engine Room Watchkeeping and UMS Operations
- Class Nippon Kaiji Kyokai notation for unattended machinery space at sea, equivalent to UMS.
- Mo (Morse Code Light) X23. AIS, GMDSS, IALA Buoyage and Aids to Navigation
- Light character flashing a Morse letter (e.g., Mo(A)).
- MOA X71. Shipbrokers and Brokerage Firms
- Memorandum of Agreement, the principal S&P contract.
- MOA Addendum X29. Ship Sale and Purchase, Management Contracts and Valuation
- Supplemental amendment to executed Memorandum of Agreement.
- MOA Saleform 1993 X71. Shipbrokers and Brokerage Firms
- Norwegian Shipbrokers' Association Memorandum of Agreement issued in 1993.
- MOA Saleform 2012 X71. Shipbrokers and Brokerage Firms
- Updated Norwegian Saleform issued in 2012.
- MOA Saleform 2024 X71. Shipbrokers and Brokerage Firms
- Latest Norwegian Saleform revision.
- MOB X3. Ship Handling, Seamanship and Deck Vocabulary
- Man overboard.
- Mob (Man Overboard) B3. Nautical Science
- MOB drill/COB procedure.
- MOB AIS X74. AIS Data, Vessel Tracking and Maritime Intelligence
- Personal locator beacon class that transmits AIS Type 1 and Type 14 messages for man-overboard alerting.
- MOB1 X95. GMDSS Equipment and Survival Craft Communications
- Ocean Signal personal AIS man overboard device with DSC alerting that transmits on AIS channels 87B and 88B upon activation.
- Mobile Alabama Cruise Terminal X164. Cruise Industry, Brands, Ship Classes, and Terminals
- The Alabama Cruise Terminal in downtown Mobile serving Carnival Cruise Line sailings to the Western Caribbean.
- Mobile Crane X104. Project Cargo Forwarders and Heavy Transport
- Self-propelled crane on tires or tracks used in project work.
- Mobile District X103. US Inland Waterway Towing and Barge
- The US Army Corps of Engineers district responsible for the Black Warrior-Tombigbee and Tennessee-Tombigbee systems.
- Mobile Earth Station X80. Maritime Search and Rescue Coordination
- Shipboard satellite terminal in GMDSS architecture.
- Mobile Gear X87. Fishing Vessels and Fisheries Management
- Fishing gear that is towed or driven during fishing, including trawls, seines, and dredges.
- Mobile Maritime Service Identity (MMSI) E3. Technology, digitalization and smart shipping
- Nine-digit ITU-assigned ID.
- Mobile offshore drilling unit (Polar) X27. Polar Code, Ice Navigation and Polar Operations
- MODU operating in polar waters may be subject to Polar Code.
- Mobile satellite service X170. SOLAS 1974 Convention: Chapter-by-Chapter Glossary
- Recognized service providing GMDSS communications under SOLAS IV/10, with Iridium added by MSC.418(97) from 1 January 2020.
- Mobilgard 1 SHC X61. Marine Lubricants and Cylinder Oils
- ExxonMobil fully synthetic high performance crankcase oil for medium-speed engines requiring extended drain intervals.
- Mobilization X82. Saturation Diving and Offshore Diving Operations
- Installation and certification of a diving spread on a vessel.
- Mobrey Bunker Sampler X72. Bunkering Hubs and Bunker Suppliers
- Mechanical drip sampler historically used in bunker custody transfer.
- Moby Lines X85. Ferries, Ro-Pax Operators and Routes
- Italian ferry company operating Tyrrhenian routes from Genoa, Livorno, Piombino, and Naples to Corsica, Sardinia, and Sicily.
- Moby-Dick F2. Maritime Culture, Heritage, Archaeology, Art and Museums
- 1851 novel by Herman Melville.
- MOC Survey X43. Marine Surveying and Warranty Surveying
- A management of change inspection at offshore installations verifying that modifications to equipment or procedures meet engineering control requirements.
- Mocean Energy X57. Ocean Energy Beyond Wind
- Scottish wave energy developer of the Blue X hinged raft device tested at EMEC.
- Mock-up unit B4. Shipbuilding, Materials, Sea Trials, Retrofits and Recycling
- Full-scale mock-up for piping/cabling rehearsals.
- Modal shift X166. Inland Waterways, Ferries, RoRo, and Short Sea Shipping
- The transfer of cargo from road to rail or waterborne short sea, the principal policy goal of EU transport white papers since 2001.
- Modal split C3. Logistics, freight forwarding and multimodal trade
- Distribution of freight between transport modes.
- Modal Superposition X54. Naval Architecture Software and IACS Rules
- Linear dynamic analysis technique implemented in Ansys, Abaqus, and Sesam Sestra.
- Modal Test X5. Marine Surveying and Inspection
- Vibration verification of ship structure or machinery foundations.
- Modbus X19. Engine Room Watchkeeping and UMS Operations
- Serial fieldbus protocol common in marine automation.
- Modbus TCP X148. Maritime Cybersecurity, IACS Cyber Rules, and Incidents
- An industrial protocol used between PLCs and HMIs, unauthenticated by default, frequently found on engine room networks.
- Mode A/C/S (transponder) X16. Nautical Science, Navigation and COLREGs
- Aircraft-related (not maritime).
- Mode S Transponder X151. Maritime Sanctions, Dark Fleet, and Price Cap Regimes
- An aviation analog occasionally referenced when describing AIS spoofing techniques in academic literature.
- Mode-S EHS D5. Coastal processes, sea-level, cryosphere and ocean observation science
- Aircraft data assimilated in weather forecasts.
- MODEC X81. Project Cargo, Heavy-Lift and Module Carriers
- Tokyo-based FPSO and FSO operator with units deployed offshore Brazil, West Africa and Asia.
- Model basin B1. Naval Architecture
- Towing tank with carriage and instrumentation.
- Model Course 1.07 X21. STCW Certificates, Crewing and Seafarer Welfare
- IMO Radar Navigation Operational Level course.
- Model Course 1.08 X21. STCW Certificates, Crewing and Seafarer Welfare
- IMO Radar Navigation Management Level course.
- Model Course 1.13 X21. STCW Certificates, Crewing and Seafarer Welfare
- IMO Elementary First Aid course.
- Model Course 1.14 X21. STCW Certificates, Crewing and Seafarer Welfare
- IMO Medical First Aid course.
- Model Course 1.15 X21. STCW Certificates, Crewing and Seafarer Welfare
- IMO Medical Care course.
- Model Course 1.19 X21. STCW Certificates, Crewing and Seafarer Welfare
- IMO Personal Survival Techniques course.
- Model Course 1.20 X21. STCW Certificates, Crewing and Seafarer Welfare
- IMO Fire Prevention and Fire Fighting course.
- Model Course 1.21 X21. STCW Certificates, Crewing and Seafarer Welfare
- IMO Personal Safety and Social Responsibilities course.
- Model Course 1.22 X21. STCW Certificates, Crewing and Seafarer Welfare
- IMO Ship Simulator and Bridge Teamwork course.
- Model Course 1.23 X21. STCW Certificates, Crewing and Seafarer Welfare
- IMO Proficiency in Survival Craft and Rescue Boats course.
- Model Course 1.24 X21. STCW Certificates, Crewing and Seafarer Welfare
- IMO Proficiency in Fast Rescue Boats course.
- Model Course 1.25 X21. STCW Certificates, Crewing and Seafarer Welfare
- IMO General Operator Certificate for GMDSS course.
- Model Course 1.26 X21. STCW Certificates, Crewing and Seafarer Welfare
- IMO Restricted Operator Certificate for GMDSS course.
- Model Course 1.27 X21. STCW Certificates, Crewing and Seafarer Welfare
- IMO Operational Use of ECDIS course.
- Model Course 1.36 X21. STCW Certificates, Crewing and Seafarer Welfare
- IMO Advanced Fire Fighting course.
- Model Course 1.39 X21. STCW Certificates, Crewing and Seafarer Welfare
- IMO Leadership and Teamwork course.
- Model Course 3.19 X21. STCW Certificates, Crewing and Seafarer Welfare
- IMO Ship Security Officer course.
- Model Course 3.27 X21. STCW Certificates, Crewing and Seafarer Welfare
- IMO Security Awareness Training for All Seafarers course.
- Model Law (UNCITRAL) X152. Maritime Arbitration and Dispute Resolution
- Model legislative text adopted with amendments in 2006, basis for arbitration laws in Singapore (IAA), Hong Kong, Germany, and many other jurisdictions.
- Model Predictive Control X109. Maritime Autonomous Surface Ships and MASS Code
- An advanced control method used by some MASS planners that solves a finite horizon optimization at each step.
- Model Regulations X75. IMDG Code, Classes, Packing and Segregation
- UN Recommendations on the Transport of Dangerous Goods Model Regulations, the Orange Book that underlies IMDG.
- Model Test Correlation X54. Naval Architecture Software and IACS Rules
- Procedure aligning CFD and full-scale predictions with towing tank data per ITTC procedures.
- Modem (satellite) X68. Maritime Satcom and Telecommunications
- Equipment performing modulation, demodulation, framing, and error correction for a satellite link.
- Modern Express X13. Marine Salvage and Wreck Removal
- 2016 car carrier listing off Bay of Biscay, towed to Bilbao by SMIT salvors.
- Modern Express (2016) X99. Marine Salvage Awards and SCOPIC
- Vehicle carrier that listed and was towed across the Bay of Biscay by Boskalis under LOF.
- Modern Express casualty (2016) X163. Marine Accident Investigation Agencies and Landmark Inquiries
- Panama-flag pure car carrier that took a severe list in the Bay of Biscay on 26 January 2016 and was towed to safety in Bilbao, investigated by BEAmer.
- Modern Express, MV X167. Major Salvage Companies, Wreck Removals, and Equipment
- Panama flag car carrier that listed heavily in the Bay of Biscay on 26 January 2016 and was secured by Smit Salvage before being towed to Bilbao.
- Modest Infrastructure X50. Ship Recycling, Demolition and Hong Kong Convention
- A recycling facility historically associated with Lithuania, listed on the EU List of approved facilities.
- Modified atmosphere X70. Reefer Containers and Cold Chain Shipping
- Packaging or container technique that establishes a non-air gas mixture around produce without ongoing active control.
- Modified Atmosphere Packaging (MAP) X1. Cargo Science, Commodities and Cargo Care
- Gas-flushed retail packaging carried in standard reefers.
- Modified Proctor/Fagerberg Test X1. Cargo Science, Commodities and Cargo Care
- TML laboratory method for Group A cargoes.
- MODIS D5. Coastal processes, sea-level, cryosphere and ocean observation science
- NASA Moderate Resolution Imaging Spectroradiometer on Terra and Aqua.
- MODU X14. Offshore Oil and Gas Marine Operations
- Mobile offshore drilling unit; jack-up, semi-submersible or drillship.
- MODU Code E4. Cruise, offshore energy and auxiliary/specialised fleets
- IMO code for mobile offshore drilling units.
- MODU Code 1979 X158. IMO Conventions, Protocols, Codes, and Resolutions
- Code for the Construction and Equipment of Mobile Offshore Drilling Units, adopted by Resolution A.414(XI).
- MODU Code 1989 X158. IMO Conventions, Protocols, Codes, and Resolutions
- Revised MODU Code adopted by Resolution A.649(16) for units built on or after 1 May 1991.
- MODU Code 2009 X153. Offshore Drilling Rigs, FPSOs, and Offshore Vessels
- Updated IMO MODU Code adopted in 2009 covering modern mobile offshore drilling units.
- Modular Hull Form X54. Naval Architecture Software and IACS Rules
- Parametric NURBS hull representation enabling rapid variant generation in Rhinoceros and Grasshopper.
- Modular Lift X60. Marine Salvage and Wreck Removal
- Use of modular crane components to assemble bespoke lifting solutions on a casualty.
- Modular Trailer X104. Project Cargo Forwarders and Heavy Transport
- Trailer built from interchangeable axle modules to suit a wide range of loads.
- Modular Tug X79. Tugs and Towage Industry
- Tug constructed from prefabricated modules, often using Damen's modular hull concept.
- Modulation X68. Maritime Satcom and Telecommunications
- Technique used to impress information onto a carrier, such as QPSK, 8PSK, 16APSK, or 32APSK.
- Module assembly area B4. Shipbuilding, Materials, Sea Trials, Retrofits and Recycling
- Yard area for outfitting modules.
- Module Carrier X81. Project Cargo, Heavy-Lift and Module Carriers
- Vessel purpose-built or adapted to transport very large preassembled industrial modules such as refinery skids and LNG trains.
- Module, outfitting X58. Shipbuilding Yards and Construction
- Preassembled assembly of piping, equipment, and supports installed as a unit.
- Modulus of section (Z) B1. Naval Architecture
- Hull-girder bending strength parameter.
- Moecca X125. Superyacht Industry, Builders and Brokers
- Yacht broker boutique.
- MoFo X114. Maritime Arbitration and Shipping Law Firms
- Morrison and Foerster, United States firm with a shipping disputes presence in New York.
- Mogami class X11. Naval Vessels, Warship Systems and Naval Architecture
- JMSDF 30FFM stealth multi-mission frigate.
- Mogami-class frigate X106. Naval Surface Combatants
- JMSDF 30FFM multi-mission frigate class of twelve ships planned, lead ship JS Mogami FFM-1 commissioned 2022 at about 5,500 tons.
- Mohawk X65. ROVs, AUVs, USVs and Marine Robotics
- Forum Sub-Atlantic Mohawk electric inspection-class ROV.
- Mohawk, USCGC (WMEC-913) X130. National Coast Guards and Cutter Fleets
- Last Famous-class medium endurance cutter, commissioned 1991, homeported Key West, Florida.
- Mohican X65. ROVs, AUVs, USVs and Marine Robotics
- Forum Sub-Atlantic Mohican electric inspection-class ROV.
- Moho D2. Hydrography, tides, waves, bathymetry and marine geology
- Mohorovicic discontinuity between crust and mantle.
- Moho Nord Pipeline X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines
- Subsea oil pipeline from the Moho Nord development to the Alima terminal off Republic of the Congo.
- Moisture Content X1. Cargo Science, Commodities and Cargo Care
- Mass of water as percentage of total mass; central to TML calculation.
- Moisture meter X45. Marine Paints, Coatings and Antifouling
- Instrument used to measure relative humidity, air, and steel temperatures during application.
- Moisture Separator X88. Marine Surface Preparation and Coatings Application
- Centrifugal or coalescing device installed downstream of the aftercooler to remove condensed water from compressed air.
- Moisture-cured polyurethane X45. Marine Paints, Coatings and Antifouling
- Single-pack polyurethane that cures by reaction with atmospheric moisture, used in some maintenance coatings.
- Mojo Stumer X125. Superyacht Industry, Builders and Brokers
- US based architectural firm sometimes engaged on yacht interiors.
- Mokpo Maritime University X160. Maritime Academies, Universities, and STCW Certification
- South Korean national maritime university in Mokpo Jeollanam-do founded in 1950.
- Mokpo National Maritime University X121. Maritime Education, Academies and Universities
- MMU in Mokpo, South Korea, founded 1950, the country's second national maritime university alongside KMOU.
- MOL X6. Container, Intermodal and Trade Codes
- Mitsui O.S.K. Lines, now part of Ocean Network Express.
- MOL (Belgium) X94. Port Machinery and Quay Equipment Makers
- Belgian manufacturer of terminal tractors and special trailers based in Hooglede.
- MOL (Mitsui O.S.K. Lines) Vetting Liaison X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA
- The owner-side vetting team supporting MOL Chemical Tankers and MOL LNG fleets.
- MOL ammonia order X90. Marine Engine Specific Model Enumeration
- Mitsui O.S.K. Lines order for ammonia dual-fuel two-stroke main engines as part of early commercial ammonia fueled vessels.
- MOL Chemical Tankers X93. IBC Code and Chemical Tanker Operations
- Japanese chemical tanker operator under the Mitsui O.S.K. Lines group operating a global fleet.
- MOL Comfort (2013) X12. Maritime Casualties and Investigation
- Container ship that broke in two in the Indian Ocean on 17 June 2013; investigated by ClassNK and Bahamas as flag state.
- MOL Comfort hull failure (2013) X163. Marine Accident Investigation Agencies and Landmark Inquiries
- Bahamas-flag post-Panamax container ship that broke in two in the Indian Ocean on 17 June 2013, investigated under the Bahamas Maritime Authority with technical work by ClassNK.
- MOL FSRU Challenger X134. LNG and LPG Carrier Operators and Containment Systems
- FSRU of 263,000 m3 delivered 2017 by Daewoo Shipbuilding for MOL, largest FSRU built to date.
- MOL Logistics X83. ISO Container Manufacturing and Leasing
- Container logistics arm of Mitsui O.S.K. Lines providing depot and inland services.
- Mol percent X47. Marine Fuel Quality and ISO 8217
- Composition expression used for gaseous fuels such as LNG bunker, with methane number derived from molar composition.
- MOL Soleil X109. Maritime Autonomous Surface Ships and MASS Code
- The autonomous ferry trial of the Mitsui OSK Lines ship Sunflower Soleil within the MEGURI 2040 program.
- Mola Mola Bycatch X87. Fishing Vessels and Fisheries Management
- Ocean sunfish often caught and released in tuna purse seine and longline fisheries.
- Molasses X1. Cargo Science, Commodities and Cargo Care
- Viscous edible-by-product; heated cargo on parcel tankers.
- Molded Case Switch X67. Marine Electrical Systems and Shore Power
- Non-automatic switch in a molded case enclosure used as an isolator on marine panels.
- Mole C4. Ports, terminals and coastal/marine civil engineering
- Massive coastal structure projecting into the sea.
- Molslinjen X85. Ferries, Ro-Pax Operators and Routes
- Danish ferry operator running Jutland to Zealand fast craft and the Bornholmslinjen brand.
- Molting X10. Marine Biology, Fisheries and Oceanography
- Periodic shedding of the exoskeleton by crustaceans.
- Molybdenum Pentachloride X75. IMDG Code, Classes, Packing and Segregation
- UN 2508, Class 8 corrosive solid Packing Group III.
- Mombasa Port X138. Global Container Terminal Operators and Port Equipment
- Kenya Ports Authority's flagship handling 1.5 million TEU in 2023, second terminal under Japanese ODA loan.
- Moment of Inertia X54. Naval Architecture Software and IACS Rules
- Cross-sectional property governing hull girder section modulus and bending stiffness.
- Moment of Inertia (waterplane) X9. Cargo Securing, Lashing and Stability Vocabulary
- Determines BM through I/V.
- Moment of inertia of waterplane (IT, IL) B1. Naval Architecture
- Used in BM and BML.
- Mon Valley Works X92. Marine Steel Suppliers and Shipbuilding Plate
- US Steel integrated steelmaking complex in southwestern Pennsylvania.
- Monaco X73. Marine Hydrography, Charting and ENC
- The seat of the IHO Secretariat since 1921.
- Monaco Marine X156. Superyacht Industry, Builders, and Yacht Charter Market
- French refit and shipyard group with sites at La Ciotat, Marseille, La Seyne, Beaulieu, Saint-Tropez, and Monaco.
- Monaco Port Hercules X156. Superyacht Industry, Builders, and Yacht Charter Market
- Principal harbor of Monaco operated by the Société d'Exploitation des Ports de Monaco, hosting the Monaco Yacht Show each September.
- Monaco Yacht Show X119. Maritime Conferences, Trade Shows and Awards
- Annual Port Hercules superyacht exhibition since 1991.
- Monaco Yacht Show (MYS) X35. Yacht and Superyacht Industry
- Annual September superyacht show in Port Hercules, Monaco, launched 1991.
- Mondelez v Zurich 2022 X25. Maritime Cybersecurity, OT and IT
- Insurance dispute over NotPetya war exclusion settled in October 2022.
- Mondomarine X125. Superyacht Industry, Builders and Brokers
- Savona, Italy aluminum motoryacht builder before insolvency and reorganization.
- Monel 400 X100. Marine Cathodic Protection and Anodes
- A copper-nickel alloy with potential near -0.10 V vs Ag/AgCl, used in seawater valves and shafting.
- Monet X122. Submarine Cable Laying, Repair Vessels and Operators
- 10,400 km Google, Algar, Angola Cables and Antel system from Boca Raton to Fortaleza and Santos, built by ASN and ready for service 2017.
- Money Laundering Typology (Shipping) E1. Maritime security, geopolitics and risk
- FATF-described patterns including over/under-invoicing.
- Monfalcone X58. Shipbuilding Yards and Construction
- Fincantieri's Italian yard near Trieste, the group's largest cruise ship facility.
- Monfalcone Shipyard X113. Drydock and Ship Repair Yards
- Fincantieri Monfalcone is the group's principal cruise ship newbuild yard on the Italian Adriatic coast.