Glossary

Maritime glossary, terms beginning with M (page 11)

All maritime glossary terms that begin with the letter M, drawn from every subject section. 2781 entries.

Showing 250 of 2781 terms (page 11 of 12).

MSC Divina X64. Cruise Industry Operators, Brands and Ships: MSC Cruises Fantasia-class ship delivered in 2012.
MSC Euribia X64. Cruise Industry Operators, Brands and Ships: MSC Cruises Meraviglia-class LNG ship delivered in 2023.
MSC Fantasia X64. Cruise Industry Operators, Brands and Ships: First MSC Cruises Fantasia-class ship delivered in 2008.
MSC Feeder X166. Inland Waterways, Ferries, RoRo, and Short Sea Shipping: Short sea feeder operations of Mediterranean Shipping Company, separated by trade lane and frequently operating as common-feeder service to non-MSC mainline operators.
MSC Flaminia X53. Marine Insurance, P&I and Hull Clauses: The container ship that experienced a major cargo fire in mid-Atlantic in July 2012, leading to significant general average and cargo liability claims and US litigation on dangerous cargo.
MSC Grandiosa X64. Cruise Industry Operators, Brands and Ships: MSC Cruises Meraviglia-class ship delivered in 2019.
MSC Group X64. Cruise Industry Operators, Brands and Ships: Privately held Geneva-based shipping conglomerate parent of MSC Cruises and Explora Journeys.
MSC HOA X22. Piracy, Maritime Security and Armed Protection: Maritime Security Centre Horn of Africa, operated by EU NAVFOR.
MSC Hong Kong X12. Maritime Casualties and Investigation: Marine Department's Marine Accident Investigation and Shipping Security Policy Branch.
MSC Magnifica X64. Cruise Industry Operators, Brands and Ships: MSC Cruises Musica-class ship delivered in 2010.
MSC Mediterranean Shipping Company Incident April 2020 X25. Maritime Cybersecurity, OT and IT: Malware outage at MSC Geneva headquarters disabled myMSC web portal for several days.
MSC Meraviglia X64. Cruise Industry Operators, Brands and Ships: First MSC Cruises Meraviglia-class ship delivered in 2017.
MSC Musica X64. Cruise Industry Operators, Brands and Ships: First MSC Cruises Musica-class ship delivered in 2006.
MSC MyMSC X26. Reefer Containers and Cold Chain Logistics: Mediterranean Shipping Company digital reefer monitoring portal.
MSC Napoli X13. Marine Salvage and Wreck Removal: 2007 container ship beached at Branscombe, Devon, after Channel structural failure.
MSC Napoli (2007) X12. Maritime Casualties and Investigation: Container ship beached off Branscombe on 20 January 2007 after structural failure; MAIB report focused on hull-girder loads.
MSC Nastran X54. Naval Architecture Software and IACS Rules: General-purpose finite element solver from Hexagon MSC used for ship structural analysis.
MSC Ocean Cay X24. Cruise, Passenger Ship and Ferry Operations: MSC Cruises private island in the Bahamas.
MSC Opera X64. Cruise Industry Operators, Brands and Ships: MSC Cruises Lirica-class ship delivered in 2004.
MSC Orchestra X64. Cruise Industry Operators, Brands and Ships: MSC Cruises Musica-class ship delivered in 2007.
MSC Poesia X64. Cruise Industry Operators, Brands and Ships: MSC Cruises Musica-class ship delivered in 2008.
MSC Preziosa X64. Cruise Industry Operators, Brands and Ships: MSC Cruises Fantasia-class ship delivered in 2013.
MSC Ransomware 2020 X107. Maritime Cybersecurity and OT Security: Cyber incident in April 2020 that took the msc.com booking portal offline for approximately two days.
MSC Reefer X136. Reefer Vessels and Cool Chain Operators: Mediterranean Shipping Company reefer container fleet, the second largest globally with around 350,000 reefer TEU, deployed on global services.
MSC Seascape X64. Cruise Industry Operators, Brands and Ships: MSC Cruises Seaside-class ship delivered in 2022.
MSC Seashore X64. Cruise Industry Operators, Brands and Ships: MSC Cruises Seaside-class ship delivered in 2021.
MSC Seaside X64. Cruise Industry Operators, Brands and Ships: First MSC Cruises Seaside-class ship delivered in 2017.
MSC Seaview X64. Cruise Industry Operators, Brands and Ships: MSC Cruises Seaside-class ship delivered in 2018.
MSC Sinfonia X64. Cruise Industry Operators, Brands and Ships: MSC Cruises Lirica-class ship delivered in 2002.
MSC Splendida X64. Cruise Industry Operators, Brands and Ships: MSC Cruises Fantasia-class ship delivered in 2009.
MSC Virtuosa X64. Cruise Industry Operators, Brands and Ships: MSC Cruises Meraviglia-class ship delivered in 2021.
MSC World America X64. Cruise Industry Operators, Brands and Ships: MSC Cruises World-class LNG ship delivered in 2025.
MSC World Asia X164. Cruise Industry, Brands, Ship Classes, and Terminals: The third World class MSC Cruises ship, under construction at Chantiers de l'Atlantique for 2026 delivery.
MSC World Europa X24. Cruise, Passenger Ship and Ferry Operations: Lead ship of the MSC World class, LNG-fueled, delivered 2022.
MSC ZenithEye X70. Reefer Containers and Cold Chain Shipping: Mediterranean Shipping Company digital reefer monitoring platform providing in-transit visibility to shippers.
MSC Zoe X53. Marine Insurance, P&I and Hull Clauses: The container ship that lost approximately 342 containers overboard in the North Sea in January 2019, generating significant cargo, environmental, and liability claims.
MSC-FAL.1/Circ.3 X48. Maritime Cybersecurity: Original IMO joint circular providing Guidelines on Maritime Cyber Risk Management, superseded by Rev.1 and then Rev.2.
MSC-FAL.1/Circ.3/Rev.2 X22. Piracy, Maritime Security and Armed Protection: 2022 joint guidelines on maritime cyber risk management.
MSC-IO (Maritime Security Centre Indian Ocean) E1. Maritime security, geopolitics and risk: Successor to MSCHOA functions, 2024.
MSC.1/Circ.1283 X76. Stevedoring, Lashing and Cargo Securing: IMO circular providing Revised Guidelines for the Stowage and Securing of Cargoes.
MSC.1/Circ.1352 X9. Cargo Securing, Lashing and Stability Vocabulary: Amendments to the CSS Code.
MSC.1/Circ.1353 X76. Stevedoring, Lashing and Cargo Securing: IMO circular providing Revised Guidelines for the Preparation of the Cargo Securing Manual.
MSC.1/Circ.1353/Rev.2 X9. Cargo Securing, Lashing and Stability Vocabulary: Revised guidelines for the preparation of the CSM (latest revision).
MSC.1/Circ.1375 X32. Marine Pilotage and Pilot Operations: IMO circular on transitional implementation of the revised SOLAS V/23.
MSC.1/Circ.1390 X31. Helicopter Operations on Ships: IMO guidelines on ladders, including those used for helideck access.
MSC.1/Circ.1428 X32. Marine Pilotage and Pilot Operations: IMO circular on Pilot Transfer Arrangements, providing requirements and guidance.
MSC.1/Circ.1497 X9. Cargo Securing, Lashing and Stability Vocabulary: CTU Code.
MSC.1/Circ.1623 X9. Cargo Securing, Lashing and Stability Vocabulary: Amendments to the CSS Code.
MSC.1/Circ.1638 X109. Maritime Autonomous Surface Ships and MASS Code: The IMO Maritime Safety Committee Interim Guidelines for MASS Trials issued in June 2021.
MSC.137(76) X158. IMO Conventions, Protocols, Codes, and Resolutions: Resolution of 4 December 2002 adopting Standards for Ship Manoeuvrability.
MSC.163(78) X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS: IMO performance standard for Simplified Voyage Data Recorders.
MSC.192(79) X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS: Revised IMO performance standard for radar equipment.
MSC.202(81) X158. IMO Conventions, Protocols, Codes, and Resolutions: Resolution of 19 May 2006 adopting LRIT amendments to SOLAS Chapter V.
MSC.215(82) X8. IACS, Class Rules and Class Notations: IMO Performance Standard for Protective Coatings (PSPC).
MSC.216(82) X24. Cruise, Passenger Ship and Ferry Operations: 2006 amendments to SOLAS introducing probabilistic damage stability and SRtP, in force 1 January 2009.
MSC.219(82) X8. IACS, Class Rules and Class Notations: IMO resolution adopting CSR for bulk carriers and oil tankers into SOLAS through Chapter II-1.
MSC.23(59) X9. Cargo Securing, Lashing and Stability Vocabulary: International Code for the Safe Carriage of Grain in Bulk.
MSC.232(82) X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS: Revised performance standards for ECDIS replacing IMO Res A.817(19).
MSC.235(82) X158. IMO Conventions, Protocols, Codes, and Resolutions: Resolution of 1 December 2006 adopting performance standards for S-VDR retrofit.
MSC.252(83) X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS: IMO performance standard for Integrated Navigation Systems.
MSC.255(84) X12. Maritime Casualties and Investigation: IMO Resolution adopting the Casualty Investigation Code on 16 May 2008.
MSC.267(85) X9. Cargo Securing, Lashing and Stability Vocabulary: International Code on Intact Stability, 2008 (IS Code 2008).
MSC.268(85) X9. Cargo Securing, Lashing and Stability Vocabulary: International Maritime Solid Bulk Cargoes Code (IMSBC Code).
MSC.275(85) X9. Cargo Securing, Lashing and Stability Vocabulary: Code of Safe Practice for Ships Carrying Timber Deck Cargoes, 2011.
MSC.282(86) X170. SOLAS 1974 Convention: Chapter-by-Chapter Glossary: Adopted 5 June 2009, in force 1 January 2011, introducing asbestos prohibition and BNWAS carriage.
MSC.302(87) X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS: IMO performance standard for Bridge Alert Management.
MSC.307(88) X158. IMO Conventions, Protocols, Codes, and Resolutions: Resolution of 3 December 2010 adopting the 2010 FTP Code.
MSC.308(88) X32. Marine Pilotage and Pilot Operations: IMO Maritime Safety Committee resolution adopting the revised SOLAS V/23 on pilot transfer arrangements, in force 1 July 2012.
MSC.317(89) (lifeboat hooks) X170. SOLAS 1974 Convention: Chapter-by-Chapter Glossary: Amendments to SOLAS III/1.5 requiring evaluation and possible replacement of existing on-load release mechanisms by first scheduled dry-docking after 1 July 2014 but no later than 1 July 2019.
MSC.333(90) X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS: Revised performance standard for Voyage Data Recorders.
MSC.337(91) X158. IMO Conventions, Protocols, Codes, and Resolutions: Resolution of 30 November 2012 adopting the Code on Noise Levels On Board Ships.
MSC.350(92) X170. SOLAS 1974 Convention: Chapter-by-Chapter Glossary: Adopted 21 June 2013, in force 1 January 2015, introducing SOLAS III/19 enclosed-space drills.
MSC.36(63) X158. IMO Conventions, Protocols, Codes, and Resolutions: Resolution of 20 May 1994 adopting the 1994 HSC Code.
MSC.380(94) X170. SOLAS 1974 Convention: Chapter-by-Chapter Glossary: Adopted 21 November 2014, in force 1 July 2016, introducing VGM under SOLAS VI/2.
MSC.385(94) X27. Polar Code, Ice Navigation and Polar Operations: Adopted safety provisions of the Polar Code, 21 November 2014.
MSC.386(94) X27. Polar Code, Ice Navigation and Polar Operations: Adopted SOLAS Chapter XIV making the Polar Code mandatory.
MSC.387(94) X27. Polar Code, Ice Navigation and Polar Operations: Adopted STCW amendments for Polar Code training.
MSC.391(95) X158. IMO Conventions, Protocols, Codes, and Resolutions: Resolution of 11 June 2015 adopting the IGF Code.
MSC.4(48) X93. IBC Code and Chemical Tanker Operations: IMO Maritime Safety Committee resolution adopting the IBC Code in 1983 with entry into force in 1986.
MSC.421(98) X170. SOLAS 1974 Convention: Chapter-by-Chapter Glossary: Adopted 15 June 2017, in force 1 January 2020, harmonizing SOLAS II-1 damage stability.
MSC.428(98) X22. Piracy, Maritime Security and Armed Protection: IMO resolution on Maritime Cyber Risk Management in Safety Management Systems.
MSC.430(98) X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS: IMO recognition of Iridium as a GMDSS satellite provider.
MSC.434(98) X68. Maritime Satcom and Telecommunications: IMO performance standard relevant to certain GMDSS satellite equipment.
MSC.460(101) X93. IBC Code and Chemical Tanker Operations: IMO Maritime Safety Committee resolution adopting amendments to the IBC Code in 2019.
MSC.464(101) X93. IBC Code and Chemical Tanker Operations: IMO Maritime Safety Committee resolution adopting further amendments to the IBC Code in 2020.
MSC.496(105) and MSC.499(105) X170. SOLAS 1974 Convention: Chapter-by-Chapter Glossary: GMDSS modernization amendments, in force 1 January 2024.
MSC.5(48) X158. IMO Conventions, Protocols, Codes, and Resolutions: Resolution of 17 June 1983 adopting the IGC Code.
MSC.521(106) X170. SOLAS 1974 Convention: Chapter-by-Chapter Glossary: Adopted 11 November 2022, in force 1 July 2024, introducing SOLAS Chapter XV.
MSC.97(73) X158. IMO Conventions, Protocols, Codes, and Resolutions: Resolution of 5 December 2000 adopting the 2000 HSC Code.
MSC.98(73) X158. IMO Conventions, Protocols, Codes, and Resolutions: Resolution of 5 December 2000 adopting the International Code for Fire Safety Systems (FSS Code).
MSCHOA E1. Maritime security, geopolitics and risk: Maritime Security Centre Horn of Africa (EUNAVFOR).
MSCIO X22. Piracy, Maritime Security and Armed Protection: Maritime Security Centre Indian Ocean, terminology used after the 2022 reorganization of the HRA framework.
MSDI X73. Marine Hydrography, Charting and ENC: Marine Spatial Data Infrastructure, an IHO programme to integrate hydrographic data with broader marine geospatial holdings.
MSDI (Marine Spatial Data Infrastructure) X129. Hydrographic Offices, Survey Vessels and Marine Cartography: Framework of standards and services for sharing marine geospatial data, promoted by the IHO Marine SDI Working Group.
MSDS X19. Engine Room Watchkeeping and UMS Operations: Material safety data sheet for chemicals carried in ER stores.
MSDS (Material Safety Data Sheet) X2. Marine Bunker Fuels, Lubricants and Bunkering Operations: Document accompanying each bunker delivery describing hazards and handling.
MSDS Verification X5. Marine Surveying and Inspection: Material Safety Data Sheet check during cargo and bunker surveys.
MSF1 X82. Saturation Diving and Offshore Diving Operations: Common reference notation for a 12-man saturation system.
MSF2 X82. Saturation Diving and Offshore Diving Operations: Common reference notation for an 18-man saturation system.
MSI X71. Shipbrokers and Brokerage Firms: Maritime Strategies International, the London consultancy.
MSI (Maritime Safety Information) X16. Nautical Science, Navigation and COLREGs: Broadcast warnings, weather and SAR information per GMDSS.
MSL X76. Stevedoring, Lashing and Cargo Securing: Maximum Securing Load, typically taken as 75 percent of MBL for steel lashing components.
MSL Reduction Factor X9. Cargo Securing, Lashing and Stability Vocabulary: Factor applied where dynamic load conditions reduce effective MSL.
MSP X22. Piracy, Maritime Security and Armed Protection: Multinational Specialized Unit or, separately, the Malacca Strait Patrol coordinated by the four littoral states.
MSP Managed Service Provider X25. Maritime Cybersecurity, OT and IT: External IT or OT service provider, a common supply chain attack vector.
MSR A6. Public international law of the sea: Marine Scientific Research, regulated under UNCLOS Part XIII.
MSRC OSRV X126. Marine Oil Spill Response and OPRC Regimes: Marine Spill Response Corporation's 209-foot vessel design displacing 1,432 GT with 4,000 bbl storage.
MSS X68. Maritime Satcom and Telecommunications: Mobile Satellite Service, the ITU service category covering Inmarsat and Iridium.
MSSC X102. Seafarer Welfare and Maritime Charities: The Marine Society and Sea Cadets, UK charity formed in 2004 from the merger of The Marine Society (1756) and the Sea Cadet Corps.
MSSIS X74. AIS Data, Vessel Tracking and Maritime Intelligence: Maritime Safety and Security Information System, a US Navy-led AIS sharing network for partner nations.
MSV X19. Engine Room Watchkeeping and UMS Operations: Main steam valve, the boiler outlet stop valve.
MSY X87. Fishing Vessels and Fisheries Management: Maximum Sustainable Yield, the largest long term average catch achievable.
MSY (Maximum Sustainable Yield) D4. Fisheries, aquaculture, blue economy and marine resources: Largest long-term average catch from a stock.
MT-FIN (Mitsubishi) X38. Propellers, Stern Gear and Shaft Lines: Reaction fin device installed upstream of the propeller by Mitsubishi to improve wake field.
MT30 X106. Naval Surface Combatants: Rolls-Royce marine gas turbine derived from the Trent 800 aero engine, used on Queen Elizabeth-class carriers and other ships.
MTBE X135. Chemical Tanker Operators and IBC Code Cargoes: Methyl tertiary-butyl ether (C5H12O), Category Y gasoline blendstock carried in epoxy or stainless tanks from Middle East and US Gulf to Latin America and Asia.
MTBF X59. Offshore Wind O&M, CTVs and SOVs: See mean time between failures.
MTC Training Cyprus X160. Maritime Academies, Universities, and STCW Certification: Cyprus based training provider serving the Cypriot ship management cluster with STCW courses.
MTCC (Maritime Training and Certification Centre) X146. Port State Control Regimes, MoUs, and Inspection Systems: Regional training centres providing PSC officer education under IMO technical cooperation.
MTL X169. Container Terminal Cranes, Yard Equipment, and Lashing: Manual Twistlock requiring two-handed locking and unlocking, used in slow rotations and special stows.
MTL Modern Terminals X138. Global Container Terminal Operators and Port Equipment: Hong Kong CT8 South and CT9 South operator, owned 27 percent by Wharf Holdings and 8 percent by CMPort.
MTM Ship Management X120. Marine Catering, Provisions and Ship Chandlers: Singapore based tanker manager with central catering and stores procurement.
MTOM X31. Helicopter Operations on Ships: Maximum Take-Off Mass, certified weight limit for helicopter departure.
MTPA X20. LNG Operations and Custody Transfer: Million Tonnes Per Annum, capacity unit for LNG liquefaction trains and import terminal throughput.
MTS X79. Tugs and Towage Industry: Multraship Towage and Salvage abbreviation used in fleet identification.
MTS-ISAC X48. Maritime Cybersecurity: Maritime Transportation System Information Sharing and Analysis Center, a US based body for sharing maritime cyber threat information.
MTSA X107. Maritime Cybersecurity and OT Security: Maritime Transportation Security Act of 2002, the US statute implementing port and vessel security requirements aligned with ISPS.
MTSA Maritime Transportation Security Act X25. Maritime Cybersecurity, OT and IT: US statute implemented in 33 CFR Parts 101 to 105, with cyber expectations clarified in NVIC 01-20.
MTTR X59. Offshore Wind O&M, CTVs and SOVs: See mean time to repair.
MTU X90. Marine Engine Specific Model Enumeration: Motoren- und Turbinen-Union, Friedrichshafen based manufacturer of high-speed marine diesels for ferries, yachts, and naval vessels.
MTU (Rolls-Royce Power Systems) X35. Yacht and Superyacht Industry: German engine maker whose Series 2000 and 4000 engines power many superyachts.
MTU 12V4000 M63L X137. Harbour Tugs, Towage Operators and Tug Builders: Rolls-Royce Power Systems marine diesel rated up to about 1,500 kW, used in mid-size tugs.
MTU 12V4000 M65L X137. Harbour Tugs, Towage Operators and Tug Builders: Higher-output 12V4000 variant pushing past 1,700 kW.
MTU 16V4000 M53 X137. Harbour Tugs, Towage Operators and Tug Builders: 16-cylinder MTU marine diesel offering about 2,000 kW, common in 80 t class tugs.
MTU 16V4000 M63 X137. Harbour Tugs, Towage Operators and Tug Builders: 16-cylinder variant up to circa 2,240 kW with EPA Tier 2.
MTU 16V4000 M65L X137. Harbour Tugs, Towage Operators and Tug Builders: Tier 4 capable 16V4000 derivative with up to about 2,560 kW.
MTU 16V4000 M73L X137. Harbour Tugs, Towage Operators and Tug Builders: Top-rated 16V4000 with up to 2,880 kW.
MTU 4000 series B2. Marine Engineering: High-speed four-stroke engines.
MTU 595 Series X67. Marine Electrical Systems and Shore Power: High-speed marine diesel from Rolls-Royce Power Systems and now Rolls-Royce Solutions Friedrichshafen.
MTU 8000 Series X67. Marine Electrical Systems and Shore Power: 20-cylinder high-speed marine diesel from MTU rated up to 10 MW used in fast ferries and naval vessels.
MTU Series 1163 X90. Marine Engine Specific Model Enumeration: MTU high-speed marine diesel series widely used in frigates and corvettes.
MTU Series 1300 X90. Marine Engine Specific Model Enumeration: MTU high-speed marine diesel series for naval and high-performance commercial applications.
MTU Series 2000 X67. Marine Electrical Systems and Shore Power: High-speed marine diesel from MTU used as auxiliary, propulsion, and harbor generator sets on yachts and workboats.
MTU Series 396 X90. Marine Engine Specific Model Enumeration: MTU high-speed marine diesel series in V8, V12, and V16 forms used in patrol craft and yachts.
MTU Series 4000 X67. Marine Electrical Systems and Shore Power: High-speed marine diesel from MTU available in 8 to 20 cylinder configurations for propulsion and genset duty.
MTU Series 595 X90. Marine Engine Specific Model Enumeration: MTU high-speed marine diesel series for naval and fast commercial craft.
MTU Tuning X68. Maritime Satcom and Telecommunications: Adjustment of maximum transmission unit on satellite links to optimize throughput.
mu X9. Cargo Securing, Lashing and Stability Vocabulary: Symbol for coefficient of friction.
MUA X102. Seafarer Welfare and Maritime Charities: Maritime Union of Australia, now the maritime division of CFMEU, representing Australian seafarers and dockers.
Mubadala Petroleum Vetting X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA: An emerging UAE upstream and trading vetting function liaising with ADNOC L&S protocols.
Muck Boots X97. Polar Expedition Cruise and IAATO Operations: Knee-high rubber boots issued or required for wet landings on polar expedition voyages.
Mud X14. Offshore Oil and Gas Marine Operations: Drilling fluid circulated through the wellbore.
Mud box C2. Ship operations, crewing and technical management: Sea chest sediment trap.
Mud Zone Anode X100. Marine Cathodic Protection and Anodes: An aluminum or zinc anode designed for service in the seabed mud line where electrolyte resistivity and oxygen access differ from open seawater.
Mudroom X97. Polar Expedition Cruise and IAATO Operations: Onboard space where passengers store boots and outer gear and prepare for Zodiac landings, also called the boot room.
MUFG Bank X49. Ship Finance, Leasing and Maritime Capital Markets: Japanese megabank with a deep ship finance practice and JOL lender role.
Mukilteo X85. Ferries, Ro-Pax Operators and Routes: Washington State Ferries terminal serving Clinton on Whidbey Island.
Mukran X42. Offshore Wind Installation and Cable Lay: German Baltic port acting as a marshaling base for Baltic offshore wind projects.
Mulberry blocks X58. Shipbuilding Yards and Construction: Term in some yards for ancillary outfitting blocks supporting deck systems.
Mulberry Harbour F1. Maritime History: Prefabricated artificial harbour deployed at Normandy in 1944.
Mulder Shipyard X125. Superyacht Industry, Builders and Brokers: Zoeterwoude, Netherlands yard building the ThirtySix, FortyOne, and Voyager series.
Mullet X10. Marine Biology, Fisheries and Oceanography: Schooling coastal fish of the family Mugilidae.
Multi brand service X59. Offshore Wind O&M, CTVs and SOVs: Independent service provider model offering O&M across turbine makes rather than tied to a single OEM.
Multi Currency Revolver X49. Ship Finance, Leasing and Maritime Capital Markets: Revolving facility available in multiple currencies, occasionally used by larger shipping groups.
Multi Factor Authentication X48. Maritime Cybersecurity: Authentication requiring two or more factors, increasingly mandated for remote access to shipping company systems.
Multi-Anode Array X100. Marine Cathodic Protection and Anodes: A configuration of several anodes arranged to deliver distributed protective current over a large structure.
Multi-Beam Echo Sounder Time Series D5. Coastal processes, sea-level, cryosphere and ocean observation science: Repeated bathymetric mapping for change detection.
Multi-body hydrodynamics B1. Naval Architecture: Interaction analysis between two or more floating bodies.
Multi-Cat Salvage Support X60. Marine Salvage and Wreck Removal: Use of multipurpose workboats for boom deployment, dive support, and pumping.
Multi-Constellation GNSS Receiver E3. Technology, digitalization and smart shipping: Receives GPS/Galileo/GLONASS/BeiDou for resilience.
Multi-Effect Evaporator X63. Marine Auxiliary Machinery and Pumps: Fresh water generator with two or more stages each using the previous stage vapor as heat source.
Multi-GNSS Receiver X109. Maritime Autonomous Surface Ships and MASS Code: A satellite navigation receiver that combines signals from GPS, GLONASS, Galileo, and BeiDou for resilience.
Multi-Grade Bunker Delivery X115. Marine Bunker and Cargo Surveying: Single bunker stem comprising more than one fuel grade delivered to segregated tanks and reconciled grade by grade.
Multi-mission helicopter X11. Naval Vessels, Warship Systems and Naval Architecture: Embarked rotary aircraft for ASW, ASuW, and utility roles.
Multi-Mission Surface Combatant (MMSC) E2. Naval, defence and maritime law enforcement: Export variant of LCS family.
Multi-purpose installation vessel X42. Offshore Wind Installation and Cable Lay: Self propelled DP vessel performing combined cable lay and foundation installation tasks.
Multi-purpose vessel C1. Commercial shipping, chartering, economics and finance: MPV, ship designed for general, project, and bulk cargo.
Multi-Purpose Vessel (MPV) X1. Cargo Science, Commodities and Cargo Care: Ships for breakbulk, containers, project cargo.
Multi-Reflection Radar X20. LNG Operations and Custody Transfer: Saab Tank Radar Rex or Pro using cone antenna and multiple still pipes; selected as primary level gauge.
Multi-Rig Trawler X87. Fishing Vessels and Fisheries Management: Vessel towing more than two trawls simultaneously, including twin and quad otter trawl configurations.
Multi-stream Scrubber X69. EGCS Scrubbers, SCR and Marine Air Emissions: Single scrubber tower treating exhaust from multiple engines in parallel.
Multi-tier dispute clause X152. Maritime Arbitration and Dispute Resolution: Sequential negotiation, mediation, and arbitration provision; failure to follow tiers may go to admissibility or jurisdiction depending on lex arbitri.
Multi-Tier Dispute Resolution X51. Maritime Arbitration, Law and BIMCO Clauses: A contractual escalation through negotiation, mediation, and arbitration before final binding determination.
Multi-Year Ice D5. Coastal processes, sea-level, cryosphere and ocean observation science: Sea ice that has survived at least one melt season.
Multi-Year Policy X4. Marine Insurance, P&I and Claims: policy with a period exceeding twelve months, common for builders' risks.
Multi70 F4. Recreational Boating, Yachting and Sport: Class of 70-foot ocean racing trimarans.
Multibeam X73. Marine Hydrography, Charting and ENC: A bathymetric survey method using fan-shaped beam arrays for swath coverage.
Multibeam Backscatter X129. Hydrographic Offices, Survey Vessels and Marine Cartography: Acoustic intensity of seabed return per beam, processed into mosaics for seabed classification alongside bathymetry.
Multibeam echo sounder X65. ROVs, AUVs, USVs and Marine Robotics: Hull or pole mounted sonar that ensonifies a swath of seabed in a single ping to produce high-resolution bathymetry.
Multibeam Echo Sounder (MBES) D2. Hydrography, tides, waves, bathymetry and marine geology: Sonar system mapping a swath of seabed depths.
Multibeam echosounder X10. Marine Biology, Fisheries and Oceanography: Hydrographic sonar emitting a swath of beams to map bathymetry.
Multibeam Snippet X129. Hydrographic Offices, Survey Vessels and Marine Cartography: Time series of return amplitude across the bottom-detection footprint of a single beam, used for higher-fidelity backscatter products.
Multibody Dynamics X54. Naval Architecture Software and IACS Rules: Coupled rigid body analysis used in Orcaflex and Aqwa for moored systems.
MultiCat 1908 (Damen) X30. Tug Operations and Harbour Towage: 19.45 m by 8.0 m Damen Modular Multi Cat workboat suited to light towage and dredging support.
Multifunctional Tanker Simulator X55. Marine Simulators, Training and Maritime Academies: Cargo simulator capable of representing oil, chemical, and gas tanker operations on a single platform.
Multigrade oil X61. Marine Lubricants and Cylinder Oils: Engine oil meeting two SAE viscosity grades, used in selected marine auxiliary and stern tube duties.
Multihull F4. Recreational Boating, Yachting and Sport: Catamaran or trimaran vessel type.
Multimodal X6. Container, Intermodal and Trade Codes: Transport using two or more modes under a single contract.
Multimodal Agency Services X86. Port Agency, Husbandry and Disbursement: Agency services covering rail, road, and sea legs of cargo movement.
Multimodal Dangerous Goods Form X6. Container, Intermodal and Trade Codes: MDGF.
Multimodal transport C3. Logistics, freight forwarding and multimodal trade: Transport using two or more modes under one contract.
Multimodal Transport Document X51. Maritime Arbitration, Law and BIMCO Clauses: A document of carriage covering more than one mode of transport under combined terms.
Multinational Maritime Component Command E2. Naval, defence and maritime law enforcement: Coalition staff construct.
MultiPilot 1100 X89. ECDIS and Bridge Equipment Makers: SAM Electronics multi function display combining radar, ECDIS, and conning within NACOS Platinum.
Multiple Hazard Precedence X172. IMDG Code: Classes, Divisions, Segregation, and Key UN Numbers: Precedence rules in 2.0.3 determining the primary class when a substance meets criteria for more than one class.
Multiport Ship Agencies Network X86. Port Agency, Husbandry and Disbursement: Independent agency cooperation founded in Hamburg in 1976.
Multipurpose dredger X124. Dredging Industry and Reclamation Contractors: Vessel combining grab and trailing pipe, popular in inland ports.
Multipurpose Service Vessel X153. Offshore Drilling Rigs, FPSOs, and Offshore Vessels: Offshore vessel combining ROV, light construction, well intervention, and survey capabilities.
Multipurpose Support Vessel (MPSV) E4. Cruise, offshore energy and auxiliary/specialised fleets: Versatile offshore support ship.
Multipurpose terminal C4. Ports, terminals and coastal/marine civil engineering: Terminal for mixed cargo types.
Multipurpose vessel (MPV) B5. Ship Types and Individual Vessels: General cargo with heavy lift capability.
Multistage Pump X63. Marine Auxiliary Machinery and Pumps: Centrifugal pump with multiple impellers in series developing higher head, used for boiler feed and high-pressure duty.
Multiwheelers X169. Container Terminal Cranes, Yard Equipment, and Lashing: Hydraulic platform trailers with multiple axle lines, used in heavy-lift and project terminals to move very heavy units.
Multraship X30. Tug Operations and Harbour Towage: Netherlands-based towage and salvage operator.
Multraship Multratug X79. Tugs and Towage Industry: Series designation for many of the Multraship-owned harbor and terminal tugs.
Multraship Salvage X99. Marine Salvage Awards and SCOPIC: Dutch salvage and towage company providing emergency response in northwest Europe.
Multraship Towage and Salvage X137. Harbour Tugs, Towage Operators and Tug Builders: Dutch operator based at Terneuzen with about 30 harbour and salvage tugs.
Multraship Workships X79. Tugs and Towage Industry: Multraship division focused on offshore workship and standby vessel services.
Mumbai Darukhana Cluster X50. Ship Recycling, Demolition and Hong Kong Convention: A historic Indian recycling district on the eastern Mumbai waterfront, now substantially smaller in scale than Alang.
Mumbai Port Pilots X159. Marine Pilotage, Pilot Districts, and Pilots' Associations: Pilotage cadre of the Mumbai Port Authority handling vessels at Indira Dock, Prince's Dock, and Bombay Floating Dock.
Mumbai Port Trust Bunker X72. Bunkering Hubs and Bunker Suppliers: Bunker supply at Mumbai harbor by Indian Oil, Bharat Petroleum, and Hindustan Petroleum under Mumbai Port Authority oversight.
Mumbai Port Trust Marine Engineering College X121. Maritime Education, Academies and Universities: Predecessor of LBS, now part of IMU Mumbai Port.
Mumbai Trans Harbour X124. Dredging Industry and Reclamation Contractors: Mumbai sea link reclamation under L and T-CCCC consortium.
MuMNS X77. Naval Mine Warfare and Mine Countermeasures: The Saab Multi-Shot Mine Neutralization System, a launcher and reusable host vehicle that deploys multiple expendable disposal effectors.
Mundra Bunker Service X72. Bunkering Hubs and Bunker Suppliers: Bunker supply at Mundra port by Indian Oil and Adani.
Mundra Port X138. Global Container Terminal Operators and Port Equipment: Adani's flagship Gujarat Indian terminal, the country's largest container port with 7.4 million TEU handled in FY2024.
Munich Re X117. Marine Insurance Markets, Captives and Reinsurance: Munich Reinsurance Company, the world's largest reinsurer by gross premium, with a substantial marine reinsurance book.
Munich Re Syndicate 457 X117. Marine Insurance Markets, Captives and Reinsurance: Lloyd's Syndicate 457 managed by Munich Re Syndicate Limited (renamed Munich Re Specialty), writing marine and specialty.
MUNIN X109. Maritime Autonomous Surface Ships and MASS Code: Maritime Unmanned Navigation through Intelligence in Networks, the European Commission FP7 project from 2012 to 2015 that was a foundational academic MASS effort.
Munk Boundary Layer D1. Physical and chemical oceanography and marine meteorology: Western boundary layer in wind-driven ocean models including lateral friction.
Munro, USCGC (WMSL-755) X130. National Coast Guards and Cutter Fleets: Sixth Legend-class National Security Cutter, commissioned 2017, homeported Alameda, California.
MUNZ X102. Seafarer Welfare and Maritime Charities: Maritime Union of New Zealand, the principal seafarers' and waterside workers' union in New Zealand.
Murmansk X27. Polar Code, Ice Navigation and Polar Operations: Russian Arctic port and base of Atomflot nuclear icebreaker fleet.
Murmansk State Technical University Maritime Institute X121. Maritime Education, Academies and Universities: Russian Arctic-focused maritime institute.
Mushroom Anchor X173. Mooring, Anchoring, OCIMF MEG4, and Equipment Numeral: Inverted-mushroom-shape anchor used for permanent moorings of light vessels and buoys where soft sediment provides suction grip.
Muskox X97. Polar Expedition Cruise and IAATO Operations: Arctic ungulate (Ovibos moschatus) seen on Greenland and Canadian Arctic itineraries.
Mussel X10. Marine Biology, Fisheries and Oceanography: Bivalve mollusk of the families Mytilidae and Dreissenidae; intertidal and subtidal.
Mussel (Mytilus, Perna) X18. Ballast Water, Biofouling and Antifouling: Bivalve mollusks common in hull macrofouling.
Muster X3. Ship Handling, Seamanship and Deck Vocabulary: Assemble the crew for roll call or drill.
Muster drill X64. Cruise Industry Operators, Brands and Ships: Mandatory pre-departure safety briefing required by SOLAS.
Muster List A2. Maritime safety legislation: SOLAS and its codes: Required under SOLAS III/8.
Muster Station A2. Maritime safety legislation: SOLAS and its codes: Marked under SOLAS III/9.
MUSV X109. Maritime Autonomous Surface Ships and MASS Code: The United States Navy Medium Unmanned Surface Vessel program for mid sized autonomous platforms.
Mutin (Le) X128. Sail Training Ships and Tall Ship Associations: French Navy two masted gaff schooner built 1927 at Les Sables d'Olonne, 33 m length, oldest serving French Navy commissioned vessel and a sail training ship.
Mutual Confidence Network X86. Port Agency, Husbandry and Disbursement: Reference to FONASBA quality benchmarks for network agencies.
Mutual Insurance X4. Marine Insurance, P&I and Claims: insurance by an association of members for their common account, the structural form of P&I clubs.
Mutual Premium X53. Marine Insurance, P&I and Hull Clauses: The advance call, supplementary call, and release call structure used by mutual P&I clubs.
Mutual Recognition X129. Hydrographic Offices, Survey Vessels and Marine Cartography: IHO arrangement under which hydrographic offices accept each other's ENCs as equivalent for SOLAS purposes within the AVCS and Primar services.
Mutual Recognition of Statements of Compliance X50. Ship Recycling, Demolition and Hong Kong Convention: The arrangement between recognized organizations on acceptance of each other's yard statements.
Mutual TLS X48. Maritime Cybersecurity: Bidirectional certificate based authentication used between trusted shore and ship services.