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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.
Montevideo Escuela Naval Maritime Studies X121. Maritime Education, Academies and Universities
Uruguayan maritime training.
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.
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 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 (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.