Glossary
Maritime glossary, terms beginning with M (page 10)
All maritime glossary terms that begin with the letter M, drawn from every subject section. 2781 entries.
Showing 250 of 2781 terms (page 10 of 12).
- Mongolia Ship Registry X98. Ship Registries and Flag States
- Open registry of land-locked Mongolia administered by the Mongolia Ship Registry Pte Ltd from Singapore.
- Mongstad X116. Global Bunker Anchorages, Hubs and Supply Infrastructure
- Norwegian Equinor terminal with bunker offtake for North Sea offshore tonnage.
- Monitor X11. Naval Vessels, Warship Systems and Naval Architecture
- Shallow-draft warship with disproportionately heavy guns, e.g., USS Monitor 1862.
- Monitor, USS X39. Pre-1900 Maritime History
- Ericsson-designed ironclad turret ship launched January 30, 1862 and engaged at Hampton Roads on March 9, 1862.
- Monitoring and reporting (BW) X18. Ballast Water, Biofouling and Antifouling
- Sampling and analytical methods used to verify D-2 compliance.
- Monitoring Authority X109. Maritime Autonomous Surface Ships and MASS Code
- A regulator or class society that observes a MASS trial and signs off on milestones.
- Monitoring of Hazardous Materials X28. Ship Recycling and End-of-Life
- Yard environmental monitoring under HKC Regulation 22.
- Monitoring Plan X112. IMO GHG Strategy, CII, EEXI and EU Maritime Regulation
- Document submitted under EU MRV setting out the methodology for monitoring CO2 emissions on EU-related voyages.
- Monitoring plan (EU MRV) X34. Decarbonization, Alternative Fuels and Carbon Pricing
- Vessel-specific document approved by the verifier describing data collection methods.
- Monitoring Reference Electrode X100. Marine Cathodic Protection and Anodes
- A permanently installed Ag/AgCl or Zn electrode whose signal is wired to the CP control panel for continuous structure-potential measurement.
- Monjasa X72. Bunkering Hubs and Bunker Suppliers
- Danish bunker supplier headquartered in Fredericia operating a fleet of more than 30 bunker tankers across West Africa, Panama, Houston, ARA, Fujairah, and the Mediterranean.
- Monjasa Houston X72. Bunkering Hubs and Bunker Suppliers
- US office of Monjasa supplying the US Gulf and East Coast.
- Monjasa Panama X72. Bunkering Hubs and Bunker Suppliers
- Panama office of Monjasa operating bunker tankers at Cristobal and Balboa anchorages.
- Monjasa Pipeline X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines
- Bunker delivery infrastructure relevant in ship-to-ship operations.
- Monjasa West Africa X72. Bunkering Hubs and Bunker Suppliers
- Largest physical bunker franchise on the West African coast operating bunker tankers off Lome, Lagos, Pointe Noire, and Luanda.
- Monkey Board X31. Helicopter Operations on Ships
- Elevated railing or step at helideck edge, can present obstacle to rotor disc.
- Monkey island X19. Engine Room Watchkeeping and UMS Operations
- Top deck above wheelhouse, referenced for funnel and antenna routing.
- Monkey's fist X3. Ship Handling, Seamanship and Deck Vocabulary
- Weighted knot tied at the end of a heaving line.
- Monkfish X10. Marine Biology, Fisheries and Oceanography
- Lophiid anglerfishes of the genus *Lophius*.
- Mono Pump X63. Marine Auxiliary Machinery and Pumps
- Trade name for a progressing cavity pump originally developed by Mono Pumps Ltd.
- Monobuoy Pipeline X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines
- Submarine pipeline serving a Single Point Mooring buoy for tanker cargo transfer.
- Monocoat antifouling X165. Marine Coatings, Antifouling, and Hull Husbandry
- An antifouling product designed to deliver target service life from a single coat rather than two or three layers.
- Monohull X84. Yacht Racing, Regattas and Sailing Governance
- A single-hulled yacht, as distinct from a multihull.
- Monohull HSC X132. High-Speed Craft, Hydrofoils and Ferry Operators
- Single-hull high-speed craft, including planing and semi-planing forms used by Fincantieri Aquastrada and KMI SuperSeaCat.
- Monopile X42. Offshore Wind Installation and Cable Lay
- Single tubular steel pile foundation driven into the seabed, the dominant offshore wind foundation type to date.
- Monsoon X10. Marine Biology, Fisheries and Oceanography
- Seasonally reversing wind system bringing strong climatic forcing, especially in the Indian Ocean.
- Mont-Joli X73. Marine Hydrography, Charting and ENC
- A Canadian Hydrographic Service office, serving the Gulf of St Lawrence region.
- Montgomery Locks and Dam X103. US Inland Waterway Towing and Barge
- An Ohio River navigation structure in Pennsylvania.
- Monthly Settlement Average X44. Shipping Indices, FFAs and Freight Markets
- Arithmetic mean of all official daily index prints in a month, used as the floating leg of monthly FFA contracts.
- Montoir LNG X56. LNG/LPG Carriers and IGC Code
- LNG import terminal at Montoir-de-Bretagne, France, operated by Elengy.
- Montreal Protocol X70. Reefer Containers and Cold Chain Shipping
- 1987 international treaty controlling production and consumption of ozone-depleting substances, the parent instrument of the Kigali Amendment.
- Montreal Protocol Linkage X28. Ship Recycling and End-of-Life
- HKC IHM incorporates ODS listed under the Montreal Protocol.
- Montreal Protocol Substance Inventory X50. Ship Recycling, Demolition and Hong Kong Convention
- The IHM Part I and III record of CFCs, HCFCs, halons, and other ozone-depleting substances.
- Moody's Investors Service X49. Ship Finance, Leasing and Maritime Capital Markets
- Credit rating agency rating selected shipping issuers and structured deals.
- Moon Pool X82. Saturation Diving and Offshore Diving Operations
- Vertical opening through a vessel hull for bell launch.
- Moonen Yachts X35. Yacht and Superyacht Industry
- Dutch builder in Den Bosch specializing in steel displacement superyachts.
- Moonpool X14. Offshore Oil and Gas Marine Operations
- Vertical opening through a vessel hull for through-hull operations.
- MoonRing (cable system) X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines
- Internal name used in trans-Atlantic capacity planning.
- Moonrise / Moonset X16. Nautical Science, Navigation and COLREGs
- Times when the Moon rises or sets.
- Moored Buoy D1. Physical and chemical oceanography and marine meteorology
- Anchored platform providing continuous meteorological and oceanographic measurements.
- Moored FAD X87. Fishing Vessels and Fisheries Management
- Anchored fish aggregating device used in coastal tuna fisheries.
- Moored mine X77. Naval Mine Warfare and Mine Countermeasures
- A buoyant mine held at a specified depth by a cable secured to a heavy sinker.
- Moored Salvage Vessel X60. Marine Salvage and Wreck Removal
- Salvage tonnage held in position by four point or eight point moorings during refloating work.
- Mooring X3. Ship Handling, Seamanship and Deck Vocabulary
- Securing arrangement at a berth or buoy.
- Mooring analysis C4. Ports, terminals and coastal/marine civil engineering
- Static and dynamic mooring analysis per OCIMF and PIANC.
- Mooring Bitt X103. US Inland Waterway Towing and Barge
- A vertical post on a vessel or wharf for making fast lines.
- Mooring Bitts X173. Mooring, Anchoring, OCIMF MEG4, and Equipment Numeral
- Bollards or bitts arranged on the main deck for securing shore mooring lines.
- Mooring boat X15. Ports, Terminals and Stevedoring
- launch handling lines to buoys or dolphins.
- Mooring Boat Service X86. Port Agency, Husbandry and Disbursement
- Service of mooring boats provided by port operators, billed through the agent.
- Mooring bollard load C4. Ports, terminals and coastal/marine civil engineering
- Design load on quay mooring fittings.
- Mooring buoy X3. Ship Handling, Seamanship and Deck Vocabulary
- Buoy to which a ship may secure.
- Mooring Buoy Casualty X60. Marine Salvage and Wreck Removal
- Incident at offshore terminal mooring buoys, often involving hose ruptures.
- Mooring Cell X103. US Inland Waterway Towing and Barge
- A circular sheet-pile structure used for mooring barges or protecting bridges.
- Mooring chain X42. Offshore Wind Installation and Cable Lay
- Studless studlink steel chain forming a primary component of floating wind platform mooring lines.
- Mooring chain coating X165. Marine Coatings, Antifouling, and Hull Husbandry
- Cold-tar epoxy or rubber latex coating systems applied to anchor handling chains and floating offshore moorings.
- Mooring Cone X94. Port Machinery and Quay Equipment Makers
- Conical fairlead fitting that guides mooring ropes around the deck edge to reduce chafe.
- Mooring deck X76. Stevedoring, Lashing and Cargo Securing
- Area at bow or stern used for line handling, distinct from container lashing zones.
- Mooring dolphin C4. Ports, terminals and coastal/marine civil engineering
- Isolated structure for mooring lines.
- Mooring Equipment X66. Port State Control and Regional MOUs
- Inspected under 02000 structural conditions.
- Mooring Equipment Guidelines X40. Tanker Vetting, SIRE and VIQ
- The OCIMF publication setting standards for mooring system design, line management, and operation on tankers and gas carriers.
- Mooring Equipment Inspection X5. Marine Surveying and Inspection
- Examination of winches, ropes, and stoppers.
- Mooring Equipment Recovery X50. Ship Recycling, Demolition and Hong Kong Convention
- The salvage of winches, fairleads, and pedestal rollers for resale.
- Mooring Hook X169. Container Terminal Cranes, Yard Equipment, and Lashing
- Quick release hook on a quayside bollard that releases a vessel mooring line under load via a lever or remote signal.
- Mooring Line X173. Mooring, Anchoring, OCIMF MEG4, and Equipment Numeral
- Generic term for any rope or wire used to secure a vessel to a berth, buoy, or another vessel.
- Mooring Line Inspection X5. Marine Surveying and Inspection
- Visual and load history check of synthetic and wire ropes.
- Mooring Line Management Plan X40. Tanker Vetting, SIRE and VIQ
- A vessel-specific plan required under MEG4 and reviewed under VIQ Chapter 9.
- Mooring lines disposal X147. Ship Recycling, Hong Kong Convention, and Recycling Yards
- A specific waste stream covered in the SRP.
- Mooring master X15. Ports, Terminals and Stevedoring
- pilot specialized in offshore single-point mooring operations.
- Mooring of Welfare X154. Maritime Welfare, Seafarer Charities, and MLC Rights
- Common phrase for the network of port chaplaincies, ITF inspectors, and ISWAN partners providing on-the-ground welfare.
- Mooring operation C2. Ship operations, crewing and technical management
- Securing the vessel alongside.
- Mooring Pattern X173. Mooring, Anchoring, OCIMF MEG4, and Equipment Numeral
- Layout of head, breast, spring, and stern lines selected to balance loads from wind, current, and waves.
- Mooring plan X15. Ports, Terminals and Stevedoring
- documented bollard, line, and tug arrangement for a berth.
- Mooring Survey X43. Marine Surveying and Warranty Surveying
- An inspection of mooring lines, fairleads, bitts, and winches under OCIMF Mooring Equipment Guidelines for tanker terminal acceptance.
- Mooring system (marine renewable) X57. Ocean Energy Beyond Wind
- Anchoring arrangement used for floating tidal, wave, and solar platforms, including catenary and taut leg designs.
- Mooring system analysis X15. Ports, Terminals and Stevedoring
- OCIMF MEG4-compliant calculations for tanker berths.
- Mooring System Management Plan (MSMP) X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA
- The MEG4-mandated documented plan verified during SIRE 2.0 mooring chapter checks.
- Mooring tail X15. Ports, Terminals and Stevedoring
- synthetic tail at the end of high-modulus mooring lines.
- Mooring tax X125. Superyacht Industry, Builders and Brokers
- Various Mediterranean ports impose temporary mooring fees.
- Mooring Trial X5. Marine Surveying and Inspection
- Pre sea trial verification of mooring equipment functionality.
- Mooring Tug X167. Major Salvage Companies, Wreck Removals, and Equipment
- Tug positioned to hold a casualty in place during salvage operations rather than to tow.
- Mooring winch X3. Ship Handling, Seamanship and Deck Vocabulary
- Powered winch for handling mooring lines.
- Mooring winch (split drum) B2. Marine Engineering
- Drum-type winch for berthing and harbor operations.
- MoorMaster X94. Port Machinery and Quay Equipment Makers
- Cavotec automated vacuum mooring system using suction pads to secure vessels without lines.
- MoorMaster (Cavotec) E4. Cruise, offshore energy and auxiliary/specialised fleets
- Vacuum-based automated mooring system.
- MoorSec Welfare Hotline X102. Seafarer Welfare and Maritime Charities
- Generic naming convention used by some national welfare bodies for crew assistance lines.
- MOP (Muriate of Potash) X1. Cargo Science, Commodities and Cargo Care
- Bulk fertilizer; Group C.
- Mop Sink X41. Cruise Ship Public Health and VSP/USPH
- Dedicated curbed basin used for filling and emptying mop buckets, separated from food preparation handwash sinks.
- MOPPRC X126. Marine Oil Spill Response and OPRC Regimes
- Mediterranean Oil Spill Preparedness and Response Centre, part of REMPEC.
- MOPU X14. Offshore Oil and Gas Marine Operations
- Mobile offshore production unit, often ex-MODU.
- Mor and Co X114. Maritime Arbitration and Shipping Law Firms
- Norwegian maritime firm referenced in P and I appointments.
- Moran Towing X30. Tug Operations and Harbour Towage
- US East Coast towage operator founded in 1860 in New York City.
- Moray East X42. Offshore Wind Installation and Cable Lay
- Operational UK offshore wind farm in the Moray Firth led by Ocean Winds.
- Moray West X42. Offshore Wind Installation and Cable Lay
- UK offshore wind project led by Ocean Winds adjacent to Moray East.
- More detailed inspection X7. Flag State, Port State Control and Detention Vocabulary
- PSC stage triggered when clear grounds exist, going beyond initial inspection.
- Morecambe Bay X57. Ocean Energy Beyond Wind
- UK tidal range study area referenced in 20th and 21st century barrage proposals.
- Morgan City Yard X113. Drydock and Ship Repair Yards
- Conrad Shipyard operations at Morgan City, Louisiana, producing barges, ferries, and workboats.
- Morgan Stanley Shipping X49. Ship Finance, Leasing and Maritime Capital Markets
- Investment banking franchise involved in US shipping equity and bond issuance.
- Morgan Wind Farm Export Cable X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines
- HVDC export cable route in the UK Irish Sea Round 4 zone.
- Morgan, Henry X39. Pre-1900 Maritime History
- Welsh privateer who sacked Panama in January 1671 and later served as Lieutenant Governor of Jamaica.
- Morgenster X128. Sail Training Ships and Tall Ship Associations
- Dutch two masted brig built 1919 as a herring lugger and rebuilt 2008, 48 m length, operates youth and adventure sail training voyages.
- Morison equation B1. Naval Architecture
- Drag-plus-inertia force on slender cylinders.
- Morocco PSC X66. Port State Control and Regional MOUs
- Mediterranean MOU member State.
- Morphine sulfate X36. Shipboard Medical, Telemedicine and Seafarer Health
- Strong opioid analgesic; controlled drug requiring register entry.
- MORS X31. Helicopter Operations on Ships
- Mandatory Occurrence Reporting Scheme, UK aviation safety reporting requirement.
- Morse Code F5. The Reference Layer: Glossary, Units, Signals and Information Sources
- Dot-and-dash code used in flashing-light signaling.
- Mortality (Fishing F) D4. Fisheries, aquaculture, blue economy and marine resources
- Death rate from fishing.
- Mortality (Natural M) D4. Fisheries, aquaculture, blue economy and marine resources
- Death rate from causes other than fishing.
- Mortality Event D3. Marine environmental science, pollution and conservation
- Sudden die-off of marine animals, sometimes from toxins or disease.
- Mortar X42. Offshore Wind Installation and Cable Lay
- Cement based fill historically used in early offshore wind grouted connections, since refined to UHPC and ultra high performance grout.
- Mortgage A5. Maritime Law, private and commercial
- Registered ship mortgage securing financing, governed by flag-state law.
- Mortgage Assignment X49. Ship Finance, Leasing and Maritime Capital Markets
- Assignment of an existing ship mortgage to a new lender on refinancing.
- Mortgage registration X7. Flag State, Port State Control and Detention Vocabulary
- Recording of a preferred ship mortgage in the flag-state registry, establishing priority.
- Mortgagee's Additional Perils (Pollution) Insurance X53. Marine Insurance, P&I and Hull Clauses
- Cover extending MII to indemnify a mortgagee taking possession against pollution liabilities that may attach to the mortgagee.
- Mortgagee's Notice X29. Ship Sale and Purchase, Management Contracts and Valuation
- Notice to charterers protecting lender against direct payment to owner.
- Mortgagees' Additional Perils (Pollution) X4. Marine Insurance, P&I and Claims
- cover protecting mortgagee against pollution claims by authorities.
- Mortgagees' Interest Insurance (MII) X4. Marine Insurance, P&I and Claims
- cover for ship mortgagees against loss of security through failure of the owner's hull cover.
- Mortise joint X58. Shipbuilding Yards and Construction
- Type of plate joint in heavy fabrication.
- Moscow Canal X166. Inland Waterways, Ferries, RoRo, and Short Sea Shipping
- The 128 km Soviet canal opened 1937 linking the Moskva River with the Volga at Dubna, providing Moscow with deep-water access.
- Moselle X33. Inland Navigation and Barge Operations
- Tributary of the Rhine navigable from Metz to Koblenz, canalized under a 1956 treaty.
- Moselle Commission X33. Inland Navigation and Barge Operations
- International commission of France, Germany, and Luxembourg administering the canalized Moselle.
- Moskva X106. Naval Surface Combatants
- Russian Navy Slava-class guided-missile cruiser, sunk in the Black Sea in 2022.
- MOSPA X126. Marine Oil Spill Response and OPRC Regimes
- Marine Oil Spill Preparedness Agreement of the Arctic Council, signed at Kiruna 2013.
- MOSS CS-50 X153. Offshore Drilling Rigs, FPSOs, and Offshore Vessels
- Moss Maritime semisubmersible design used for several harsh-environment drilling rigs.
- Moss CS-60 X153. Offshore Drilling Rigs, FPSOs, and Offshore Vessels
- Moss Maritime sixth-generation semisubmersible design used by units such as Stena Don.
- Moss Maritime X56. LNG/LPG Carriers and IGC Code
- Norwegian designer of the Moss spherical IMO Type B LNG containment system.
- Moss sphere X56. LNG/LPG Carriers and IGC Code
- Self-supporting spherical aluminum IMO Type B cargo tank developed by Moss Maritime.
- Moss Spherical CCS X20. LNG Operations and Custody Transfer
- Self-supporting aluminum sphere on equatorial skirt; designed by Moss Maritime (Norway), built by KHI, MHI, Samsung historically.
- Moss spherical tank X134. LNG and LPG Carrier Operators and Containment Systems
- Independent IMO Type B aluminum spherical tank originally designed by Kvaerner Moss, sphere diameter typically 36 to 44 meters.
- Moss Tank X92. Marine Steel Suppliers and Shipbuilding Plate
- Independent spherical LNG cargo tank type IMO B traditionally built from 9 percent nickel steel or aluminum 5083.
- Moss-type LNG carrier X56. LNG/LPG Carriers and IGC Code
- LNG carrier with Moss spherical containment, recognizable by the hemispherical tank covers protruding above the main deck.
- Mosselbank X124. Dredging Industry and Reclamation Contractors
- Dutch nature-restoration project using dredged material.
- Mossmorran X56. LNG/LPG Carriers and IGC Code
- Natural gas liquids fractionation complex in Fife, Scotland, supplying ethylene feedstock by gas carrier from the associated Braefoot Bay marine terminal.
- Most Probable Number (MPN) X18. Ballast Water, Biofouling and Antifouling
- Statistical microbiological method used for indicator microbe enumeration in ballast water.
- Most probable position (MPP) X16. Nautical Science, Navigation and COLREGs
- Best estimate of position given available information.
- Mostafa Hakim Steel X118. Ship Recycling Yards, Beaches and Regulation
- Chittagong-based steel and shipbreaking group with Sitakunda yard operations.
- Mostefa Ben Boulaid X56. LNG/LPG Carriers and IGC Code
- LNG carrier named after the Algerian revolutionary; the 2004 Skikda incident was an explosion at the onshore liquefaction plant, not on a vessel.
- Mostyn X57. Ocean Energy Beyond Wind
- Welsh port on the Dee estuary that serves the offshore wind and adjacent marine renewable industries.
- Mother Ship X87. Fishing Vessels and Fisheries Management
- Large processing or supply vessel served by catcher vessels, used in Japanese tuna and Russian crab fleets.
- Mother Ship Operation X87. Fishing Vessels and Fisheries Management
- Joint venture model in which catchers deliver to a mother ship that processes, freezes, and stores product.
- Mother vessel X6. Container, Intermodal and Trade Codes
- Mainline vessel served by feeders.
- Mother vessel reefer plug X26. Reefer Containers and Cold Chain Logistics
- Shipboard reefer socket, IEC 60309 type, 440 V 3-phase 60 Hz 32 A standard.
- Mothership X22. Piracy, Maritime Security and Armed Protection
- Larger vessel from which pirate skiffs are launched far from shore.
- MOTION X59. Offshore Wind O&M, CTVs and SOVs
- Trade name applied to certain motion compensated systems used on offshore wind support vessels.
- Motion compensation X59. Offshore Wind O&M, CTVs and SOVs
- Generic term for systems that cancel vessel motion to maintain a stationary platform, gangway tip, or crane hook.
- Motion RAO X54. Naval Architecture Software and IACS Rules
- Response Amplitude Operator describing motion per unit wave amplitude versus frequency.
- Motion Reference Unit (MRU) X96. Hull Integrity Monitoring and Strain Gauges
- Sensor measuring vessel pitch, roll, heave, and related motions, often integrated with HMS.
- Motion Sensor X31. Helicopter Operations on Ships
- Helideck-mounted accelerometer measuring pitch, roll, and heave.
- Motor Control Center X67. Marine Electrical Systems and Shore Power
- Cabinet housing multiple motor starters with common busbars and unified protection.
- Motor controlcenter (MCC) B2. Marine Engineering
- Switchboard for auxiliary motors.
- Motor controlled center X19. Engine Room Watchkeeping and UMS Operations
- Group starter assembly feeding engine room motors.
- Motor Driven Pump X63. Marine Auxiliary Machinery and Pumps
- Pump driven by an electric motor as opposed to engine or steam drive.
- Motor Engineer's Cert F3. Seafaring Life, Education, Professions and Institutions
- STCW engine-officer qualification.
- Motor Ship Era F1. Maritime History
- Twentieth-century transition from steam to diesel propulsion, marked by Selandia, 1912.
- Motorman X19. Engine Room Watchkeeping and UMS Operations
- Engine room rating supporting watchkeeping under STCW III/4.
- Motorways of the Sea X85. Ferries, Ro-Pax Operators and Routes
- European Union policy framework supporting short-sea ro-ro and ro-pax routes.
- Motorways of the Sea (MoS) X166. Inland Waterways, Ferries, RoRo, and Short Sea Shipping
- The TEN-T programme designating short sea routes integrated into the trans-European transport network and eligible for CEF co-financing.
- MOTS X15. Ports, Terminals and Stevedoring
- Multibuoy Mooring or Marine Oil Terminal System.
- MOU X13. Marine Salvage and Wreck Removal
- Memorandum of Understanding for cross-border salvage cooperation.
- MoU (Memorandum of Understanding) on Port State Control X151. Maritime Sanctions, Dark Fleet, and Price Cap Regimes
- Regional MoUs (Paris MoU, Tokyo MoU) have begun targeted concentrated inspection campaigns on dark-fleet candidates.
- MOU Move Survey X43. Marine Surveying and Warranty Surveying
- A marine warranty attendance for a mobile offshore unit transit, covering preparation, towage, and arrival at the new location.
- MOU on Port State Control E1. Maritime security, geopolitics and risk
- Regional port-state inspection agreements (Paris, Tokyo, etc.).
- MoU on PSC A7. Compliance, certification and enforcement
- Regional Memorandums of Understanding on Port State Control (Paris, Tokyo, Vina del Mar, Caribbean, Mediterranean, Indian Ocean, Abuja, Black Sea, Riyadh).
- MOU PSC Inspection X5. Marine Surveying and Inspection
- Port State Control inspection under regional MOU.
- MOU Secretariat X66. Port State Control and Regional MOUs
- Administrative office supporting an MOU's committee and information system.
- Mountain Top Gateway X68. Maritime Satcom and Telecommunications
- Common term for elevated teleport sites used to host satellite ground systems.
- Mounted Reefer Generator X83. ISO Container Manufacturing and Leasing
- Clip-on diesel generator powering a reefer container on road or rail moves.
- Mouth-to-mask resuscitation X36. Shipboard Medical, Telemedicine and Seafarer Health
- Recommended over mouth-to-mouth aboard ship using pocket mask with one-way valve.
- Movement direction (compass) B3. Nautical Science
- Magnetic, true, or compass reference.
- Movement Order X104. Project Cargo Forwarders and Heavy Transport
- Internal forwarder document authorizing a specific project cargo move.
- Movement Pilot X159. Marine Pilotage, Pilot Districts, and Pilots' Associations
- Pilot licensed only for in-port shifts and turning rather than inbound or outbound passages.
- MOVINS X6. Container, Intermodal and Trade Codes
- Stowage Instruction Message, EDIFACT message sent from carrier to terminal with planned moves.
- MOWCA E1. Maritime security, geopolitics and risk
- Maritime Organization for West and Central Africa.
- Mowi X87. Fishing Vessels and Fisheries Management
- Norwegian salmon farming company, the world's largest by volume, operating well boats and service vessels.
- Mowi ASA (formerly Marine Harvest) X131. Commercial Fisheries, Trawler Fleets and Seafood Processors
- Oslo-listed Atlantic salmon farmer, the world's largest by harvest volume at around 470,000 tonnes per year.
- Mowll & Mowll X157. Marine Loss Adjusters, GA Practice, and Casualty Firms
- Historic English admiralty solicitors.
- MOX Plant Case A6. Public international law of the sea
- ITLOS Order on provisional measures (2001).
- Mozah X134. LNG and LPG Carrier Operators and Containment Systems
- First Q-Max LNG carrier of 266,000 m3 delivered 2008 by Samsung Heavy Industries for Nakilat, named after Sheikha Moza bint Nasser.
- MPA X10. Marine Biology, Fisheries and Oceanography
- Marine Protected Area.
- MPA Bunker Craft Operator License X72. Bunkering Hubs and Bunker Suppliers
- License granted by MPA to operators of bunker tankers in the Port of Singapore.
- MPA Bunker Licence X116. Global Bunker Anchorages, Hubs and Supply Infrastructure
- License issued under the Merchant Shipping (Maritime Labour Convention) and Port of Singapore Authority rules to operate bunker craft and supply fuel.
- MPA Bunker Notice 03/2017 X115. Marine Bunker and Cargo Surveying
- Notice from MPA Singapore implementing mandatory mass flow meter bunkering for fuel oil with effect from 1 January 2017.
- MPA Bunker Supplier License X72. Bunkering Hubs and Bunker Suppliers
- Annual license granted by MPA to physical bunker suppliers in Singapore covering quality assurance, mass flow meter use, and barge operations.
- MPA Network D4. Fisheries, aquaculture, blue economy and marine resources
- System of MPAs designed to provide ecological connectivity.
- MPA Singapore X72. Bunkering Hubs and Bunker Suppliers
- Maritime and Port Authority of Singapore, the regulator licensing bunker suppliers and bunker craft operators in the Port of Singapore.
- MPA Singapore Ammonia Tender X140. Ammonia as Marine Fuel and Hydrogen Shipping
- Maritime and Port Authority issued bunker-tender 2022 to Yara-Aramco, Sembcorp-Vopak, BP-Itochu, and Keppel consortiums.
- MPA Singapore Awards X119. Maritime Conferences, Trade Shows and Awards
- Annual awards by the Maritime and Port Authority of Singapore during Singapore Maritime Week.
- MPC Munchmeyer Petersen Capital X49. Ship Finance, Leasing and Maritime Capital Markets
- Hamburg based fund manager with a significant KG shipping legacy.
- mPCM X68. Maritime Satcom and Telecommunications
- Maritime modem family used in some VSAT installations.
- MPH X15. Ports, Terminals and Stevedoring
- Moves Per Hour, generic productivity metric.
- MPHRP X102. Seafarer Welfare and Maritime Charities
- Maritime Piracy Humanitarian Response Programme, launched 2011, integrated into ISWAN in 2014.
- MPI Adventure X105. Offshore Wind Farm Installation and Vessels
- Jack-up wind turbine installation vessel of the MPI Resolution class now operated within Van Oord with around 1,000-tonne crane capacity.
- MPI Discovery X59. Offshore Wind O&M, CTVs and SOVs
- MPI Workboats CTV deployed on UK and European wind farm operations.
- MPI Offshore X59. Offshore Wind O&M, CTVs and SOVs
- Atlas Renewable subsidiary operating jack ups and supporting wind farm O&M from UK ports.
- MPI Resolution X105. Offshore Wind Farm Installation and Vessels
- First purpose-built offshore wind installation jack-up of its class, lead vessel of the MPI Resolution series.
- MPI Workboats X59. Offshore Wind O&M, CTVs and SOVs
- CTV operator and naval architecture practice supplying catamaran crew boats to the wind sector.
- MPLS Backbone X68. Maritime Satcom and Telecommunications
- Multi-Protocol Label Switching backbone behind satellite teleports used to deliver private networks to shipowners.
- MPP X81. Project Cargo, Heavy-Lift and Module Carriers
- Multipurpose project vessel, a tweendecker built for breakbulk, project and bulk cargo with onboard cranes.
- MPPX X63. Marine Auxiliary Machinery and Pumps
- Older Alfa Laval high-density separator model series.
- MPS X133. Polar Research Vessels and Polar Code Regimes
- Maximum Permissible Speed in given ice regime under POLARIS framework.
- MPSV X14. Offshore Oil and Gas Marine Operations
- Multipurpose support vessel; subsea, ROV, light construction.
- MPV X81. Project Cargo, Heavy-Lift and Module Carriers
- Multipurpose vessel, synonymous with MPP in heavy-lift and project trades.
- MPX X32. Marine Pilotage and Pilot Operations
- Master-Pilot eXchange information shared between master and pilot on boarding.
- MR (Medium Range) tanker B5. Ship Types and Individual Vessels
- 30,000-55,000 DWT product tanker.
- MR Tanker X161. Shipbroking, Freight Derivatives, and Baltic Indices
- Medium Range product tanker of roughly 40,000 to 55,000 dwt, the reference vessel for clean routes TC2, TC10, TC11, TC14, TC17, TC18, and TC19.
- MR1/MR2 B5. Ship Types and Individual Vessels
- Product tanker subclasses 25k-45k / 45k-55k.
- MR2 product tanker X116. Global Bunker Anchorages, Hubs and Supply Infrastructure
- Common bunker delivery vessel size used for floating storage and short-haul barge resupply.
- MRA X15. Ports, Terminals and Stevedoring
- Mooring Risk Assessment under OCIMF guidance.
- MRBM (membrane LNG) B4. Shipbuilding, Materials, Sea Trials, Retrofits and Recycling
- Membrane containment system component.
- MRCC X12. Maritime Casualties and Investigation
- Maritime Rescue Coordination Centre established under SOLAS Chapter V Regulation 7.
- MRCC Chennai X80. Maritime Search and Rescue Coordination
- Indian Coast Guard MRCC on India's east coast.
- MRCC Colombo X80. Maritime Search and Rescue Coordination
- Sri Lankan MRCC operated by the Sri Lanka Navy.
- MRCC Lisboa X80. Maritime Search and Rescue Coordination
- Portuguese MRCC at Lisbon covering the Portuguese SRR.
- MRCC Mumbai X80. Maritime Search and Rescue Coordination
- Indian Coast Guard MRCC covering western India.
- MRCC Piraeus X80. Maritime Search and Rescue Coordination
- Greek MRCC at Piraeus operated by Hellenic Coast Guard.
- MRCC Rome X80. Maritime Search and Rescue Coordination
- Italian MRCC operated by Guardia Costiera at IMRCC Rome.
- MRCC Tarifa X80. Maritime Search and Rescue Coordination
- SASEMAR MRCC at Tarifa covering the Strait of Gibraltar.
- MRDU X153. Offshore Drilling Rigs, FPSOs, and Offshore Vessels
- Mobile Reservoir Drilling Unit, a generic shallow water rig descriptor occasionally used in industry literature.
- MRN X6. Container, Intermodal and Trade Codes
- Movement Reference Number, EU customs declaration identifier.
- MRSC X12. Maritime Casualties and Investigation
- Maritime Rescue Sub-Centre operating under an MRCC.
- MRV Verification X66. Port State Control and Regional MOUs
- Annual third-party verification under EU Regulation 2015/757 reported via THETIS-MRV.
- MS Amlin X117. Marine Insurance Markets, Captives and Reinsurance
- Lloyd's managing agent operating Syndicate 2001, owned by MS and AD Insurance Group, writing marine and specialty.
- MS Amlin AG X117. Marine Insurance Markets, Captives and Reinsurance
- The Swiss reinsurance arm of MS Amlin, in run-off since 2019.
- MS BR ICS Code X72. Bunkering Hubs and Bunker Suppliers
- Maritime Singapore Bunker Reception International Cargo Survey code reference for sampling chain of custody.
- MS Bremen X97. Polar Expedition Cruise and IAATO Operations
- Historic Hapag-Lloyd expedition ship retired from the polar fleet, an early dedicated polar tourism vessel.
- MS Explorer X27. Polar Code, Ice Navigation and Polar Operations
- Polar cruise ship sunk in Antarctic waters in November 2007; catalyst for IMO polar rules.
- MS Explorer sinking (2007) X163. Marine Accident Investigation Agencies and Landmark Inquiries
- Liberian-flag expedition cruise ship that sank in the Bransfield Strait, Antarctica on 23 November 2007, investigated by the Liberian Registry (LRSL) as flag State.
- MS Fridtjof Nansen X97. Polar Expedition Cruise and IAATO Operations
- Hurtigruten Expeditions hybrid-powered expedition ship delivered in 2020 with 530 PAX.
- MS Hanseatic X97. Polar Expedition Cruise and IAATO Operations
- Earlier Hapag-Lloyd polar expedition ship preceding the current HANSEATIC trio.
- MS Nordkapp X27. Polar Code, Ice Navigation and Polar Operations
- Hurtigruten ship that ran aground in 2007 at Deception Island; cited in Antarctic safety reviews.
- MS Otto Sverdrup X97. Polar Expedition Cruise and IAATO Operations
- Hurtigruten Expeditions expedition ship converted for expedition service in 2022.
- MS Roald Amundsen X97. Polar Expedition Cruise and IAATO Operations
- Hurtigruten Expeditions hybrid-powered expedition ship delivered in 2019 with 530 PAX and Polar Code 1A notation.
- MS Spitsbergen X97. Polar Expedition Cruise and IAATO Operations
- Hurtigruten Expeditions expedition ship with 220 PAX, used widely in Svalbard.
- MS World Discoverer X97. Polar Expedition Cruise and IAATO Operations
- Historic expedition cruise ship grounded in the Solomon Islands in 2000 after a long polar career.
- MSAR (Multiphase Superfine Atomized Residue) X149. Marine Fuels, Bunkering, and Alternative Fuels
- A water-in-oil emulsion fuel technology, occasionally trialled but not widely adopted.
- MSC A1. The IMO and the international regulatory framework
- Maritime Safety Committee.
- MSC (Maritime Safety Committee) X146. Port State Control Regimes, MoUs, and Inspection Systems
- The IMO body that approves PSC procedures and amendments to SOLAS, ISM, and ISPS.
- MSC (Mediterranean Shipping Company) Incident X139. Maritime Cybersecurity, OT Threats and Standards
- April 2020 malware outage affecting MSC's Geneva HQ for several days.
- MSC (Mediterranean Shipping Company) Ransomware (April 2020) X148. Maritime Cybersecurity, IACS Cyber Rules, and Incidents
- The cyber attack against MSC headquarters in Geneva announced on 10 April 2020, taking myMSC down for several days.
- MSC 105 X109. Maritime Autonomous Surface Ships and MASS Code
- The 105th session of the IMO Maritime Safety Committee in April 2022 that approved the MASS roadmap.
- MSC 2020 X48. Maritime Cybersecurity
- April 2020 outage of MSC Mediterranean Shipping Company's data center attributed to malware, which took MSC's website and several digital services offline.
- MSC 2020 Cyber Incident X22. Piracy, Maritime Security and Armed Protection
- April 2020 malware incident disabling MSC's Geneva headquarters network for several days.
- MSC Agency Network X86. Port Agency, Husbandry and Disbursement
- In-house and contracted agency network of Mediterranean Shipping Company.
- MSC Aware X136. Reefer Vessels and Cool Chain Operators
- Mediterranean Shipping Company reefer container service brand featuring real-time monitoring via integrated telematics.
- MSC Bellissima X64. Cruise Industry Operators, Brands and Ships
- MSC Cruises Meraviglia-class ship delivered in 2019.
- MSC Circ.1455 X54. Naval Architecture Software and IACS Rules
- IMO MSC circular providing guidelines for the approval of alternatives and equivalents.
- MSC CJ-46 X153. Offshore Drilling Rigs, FPSOs, and Offshore Vessels
- GustoMSC slim jackup design widely built in China and the Middle East.
- MSC Crewing X102. Seafarer Welfare and Maritime Charities
- Mediterranean Shipping Company crewing arm, manning the world's largest container fleet from offices in Geneva and several manning hubs.
- MSC Cruises X24. Cruise, Passenger Ship and Ferry Operations
- Swiss-based, Italian-flagged cruise brand within MSC Group.
- MSC Decarbonization Roadmap D6. Decarbonization, emissions and alternative fuels
- Carrier-specific transition plan.