Glossary

Maritime glossary, terms beginning with M (page 4)

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

Showing 250 of 2781 terms (page 4 of 12).

Maritime Lien for Salvage X60. Marine Salvage and Wreck Removal: Codified privilege attaching to salved property to secure the salvor's claim.
Maritime Liens and Mortgages Convention 1993 (MLM) X51. Maritime Arbitration, Law and BIMCO Clauses: The Geneva convention harmonizing the categories and priority of maritime liens and mortgages.
Maritime Limits and Boundaries (UNCLOS Article 76) X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines: Legal framework defining the outer limits of the continental shelf relevant to cable and pipeline jurisdiction.
Maritime Logistics and Trade Department Tongji University X121. Maritime Education, Academies and Universities: Shanghai, supports the Yangshan port research cluster.
Maritime LTE X68. Maritime Satcom and Telecommunications: Coastal LTE networks deployed by some carriers and used by ships within range.
Maritime Medical Centre (Aberdeen) X36. Shipboard Medical, Telemedicine and Seafarer Health: UK provider of seafarer occupational health and TMAS services.
Maritime Ministry Nederland X102. Seafarer Welfare and Maritime Charities: Dutch ecumenical seafarers' ministry combining Roman Catholic, Protestant, and other traditions.
Maritime mobile service identity (MMSI) X16. Nautical Science, Navigation and COLREGs: Nine-digit unique identifier for DSC and AIS.
Maritime Mortgage X49. Ship Finance, Leasing and Maritime Capital Markets: Generic term for security interest in a vessel registered under flag state law.
Maritime Mutual Survey X43. Marine Surveying and Warranty Surveying: An entry condition survey performed by or for a fixed-premium hull or P&I provider such as Maritime Mutual Insurance Association.
Maritime New Zealand X80. Maritime Search and Rescue Coordination: National maritime authority operating RCCNZ in Lower Hutt.
Maritime Optima X101. Vessel Brokerage Software and Chartering Platforms: Oslo-based shipbroker workflow platform combining position lists, vessel data, and chat tools.
Maritime panel (HKIAC) X152. Maritime Arbitration and Dispute Resolution: List of maritime-specialist arbitrators maintained by HKIAC.
Maritime patrol aircraft X11. Naval Vessels, Warship Systems and Naval Architecture: Fixed-wing ASW/ISR aircraft, e.g., P-8 Poseidon, P-3 Orion.
Maritime Patrol Aircraft (MPA) E2. Naval, defence and maritime law enforcement: Long-range surveillance/ASW aircraft (e.g., P-8).
Maritime pilot X32. Marine Pilotage and Pilot Operations: Person other than the ship's master who has the conduct of a ship as a navigation advisor.
Maritime Piracy Humanitarian Response Programme (MPHRP) X102. Seafarer Welfare and Maritime Charities: Programme launched 2011 to support seafarers and families affected by piracy, later folded into ISWAN.
Maritime Prepositioning Force (MPF) E2. Naval, defence and maritime law enforcement: Forward-positioned logistics shipping.
Maritime Reporter Yearbook Awards X119. Maritime Conferences, Trade Shows and Awards: Annual recognition by New Wave Media in New York.
Maritime Republics F1. Maritime History: Medieval Italian seapowers, Venice, Genoa, Pisa, and Amalfi.
Maritime Research Institute Netherlands X121. Maritime Education, Academies and Universities: MARIN in Wageningen, founded 1929 as NSP, hydrodynamic research not a school but training partner.
Maritime Risk International Awards X119. Maritime Conferences, Trade Shows and Awards: Annual UK insurance and risk awards.
Maritime Safety and Security Team X130. National Coast Guards and Cutter Fleets: USCG MSST counter-terror unit, 11 teams 91101-91114 nationwide.
Maritime Safety Committee X75. IMDG Code, Classes, Packing and Segregation: MSC, IMO body that adopts amendments to SOLAS and IMDG.
Maritime Safety Information X80. Maritime Search and Rescue Coordination: MSI broadcast through NAVTEX and SafetyNET.
Maritime School in Marstal (Marstal Navigationsskole) X160. Maritime Academies, Universities, and STCW Certification: Danish navigation school on the island of Aero founded in 1893 specializing in deck officer education.
Maritime Sector Incentive X98. Ship Registries and Flag States: Singapore MSI scheme grouping tax concessions for shipping companies and maritime lessors.
Maritime Security Centre Horn of Africa X22. Piracy, Maritime Security and Armed Protection: EU NAVFOR civil and military information exchange for shipping transiting the Gulf of Aden and western Indian Ocean.
Maritime Security Patrol Area (MSPA) E1. Maritime security, geopolitics and risk: Earlier Gulf of Aden corridor concept.
Maritime Security Response Team X130. National Coast Guards and Cutter Fleets: USCG MSRT-East at Chesapeake, Virginia and MSRT-West at San Diego, California, tier-1 counter-terror.
Maritime Security Transit Corridor X22. Piracy, Maritime Security and Armed Protection: Successor to the IRTC introduced in 2015 covering the Gulf of Aden, Bab-el-Mandeb and southern Red Sea.
Maritime Service Portfolio (MSP) E3. Technology, digitalization and smart shipping: IMO e-navigation set of services.
Maritime Services Ban (UK) X151. Maritime Sanctions, Dark Fleet, and Price Cap Regimes: The prohibition under the UK Russia (Sanctions) (EU Exit) Regulations 2019 (as amended) on supplying brokering, financial, or insurance services for the maritime transport of Russian oil above the…
Maritime Simulation and Resource Centre X55. Marine Simulators, Training and Maritime Academies: Simulator center of the Marine Institute, Memorial University of Newfoundland, in St. John's, Canada.
Maritime Single Window (FAL) X151. Maritime Sanctions, Dark Fleet, and Price Cap Regimes: An IMO-mandated reporting system effective 1 January 2024, relevant to sanctions compliance through standardized port-call reporting.
Maritime Single Window (MSW) E1. Maritime security, geopolitics and risk: FAL Convention-mandated digital port clearance interface.
Maritime Standard Awards X119. Maritime Conferences, Trade Shows and Awards: Annual Middle East and Indian Subcontinent shipping awards launched 2014, held in Dubai.
Maritime Standard Tanker Conference X119. Maritime Conferences, Trade Shows and Awards: Annual Dubai tanker market gathering since 2015.
Maritime Strategies International X49. Ship Finance, Leasing and Maritime Capital Markets: Independent research consultancy providing vessel valuations and market analysis.
Maritime Strategies International (MSI) X29. Ship Sale and Purchase, Management Contracts and Valuation: London based valuation and forecasting house.
Maritime Strategy E2. Naval, defence and maritime law enforcement: Service-level strategic articulation (e.g., US 1986, 2007, 2020).
Maritime Studies Center Plymouth X121. Maritime Education, Academies and Universities: See Plymouth University School of Engineering.
Maritime Survey X91. Submarines and Submarine Cable Systems: Pre-installation survey to characterize the planned cable route.
Maritime Training Council X55. Marine Simulators, Training and Maritime Academies: Statutory body in some flag states overseeing accreditation of training institutes and instructors.
Maritime Training Council Philippines X121. Maritime Education, Academies and Universities: Sets minimum STCW training standards for Philippine MTCs.
Maritime Transportation Security Act X48. Maritime Cybersecurity: US law of 2002 implementing the ISPS Code, with cyber risk addressed by USCG NVIC 01-20 at regulated facilities.
Maritime Transportation Security Act (MTSA) E1. Maritime security, geopolitics and risk: US 2002 ISPS-implementing statute.
Maritime UK Awards X119. Maritime Conferences, Trade Shows and Awards: Annual recognition by Maritime UK for British shipping, ports, and marine sectors.
Maritime UK Code of Practice X109. Maritime Autonomous Surface Ships and MASS Code: The Maritime UK Code of Practice for the Design Construction and Safe Operation of Maritime Autonomous Surface Ships up to 24 m in length, with Issue 4 published in 2024.
Maritime Union of Australia (MUA) X102. Seafarer Welfare and Maritime Charities: Maritime division of the Construction, Forestry, Maritime, Mining and Energy Union, representing Australian seafarers and waterside workers.
Maritime Union of India (MUI) X154. Maritime Welfare, Seafarer Charities, and MLC Rights: Indian union for marine officers, an ITF affiliate.
Maritime Union of New Zealand (MUNZ) X102. Seafarer Welfare and Maritime Charities: New Zealand maritime union, founded 2002 from the merger of NZ Seafarers' Union and Waterfront Workers' Union.
Maritime University College Limassol X121. Maritime Education, Academies and Universities: See Cyprus Maritime Academy variants.
Maritime University of Szczecin X160. Maritime Academies, Universities, and STCW Certification: Polish state maritime university in Szczecin founded in 1947 on the Baltic coast.
Maritime Week Americas X119. Maritime Conferences, Trade Shows and Awards: Annual Petrospot bunker conference rotating among US, Canada, and Latin American ports.
Maritime Week Gibraltar X119. Maritime Conferences, Trade Shows and Awards: Annual Petrospot bunker conference held in Gibraltar.
Maritime Welfare Board X21. STCW Certificates, Crewing and Seafarer Welfare: National body coordinating seafarer welfare ashore under MLC Regulation 4.4.
Maritime Welfare Board (Singapore) X102. Seafarer Welfare and Maritime Charities: National coordinating body for seafarers' welfare in the Port of Singapore.
Mark X3. Ship Handling, Seamanship and Deck Vocabulary: Numbered fathom division on a lead line.
Mark (race) X84. Yacht Racing, Regattas and Sailing Governance: A buoy or other object designating a turning point on the race course.
Mark III (GTT) X20. LNG Operations and Custody Transfer: Membrane CCS with corrugated 1.2 mm stainless steel primary barrier and reinforced polyurethane foam insulation.
Mark III Flex X20. LNG Operations and Custody Transfer: GTT evolution with thicker (400 mm) insulation panels reducing BOR to about 0.085 percent per day.
Mark to Market Test X49. Ship Finance, Leasing and Maritime Capital Markets: Periodic test comparing vessel market value to loan outstanding.
Mark-to-Market X44. Shipping Indices, FFAs and Freight Markets: Daily revaluation of FFA positions against the official settlement price published by the clearing house.
Mark, Cardinal F5. The Reference Layer: Glossary, Units, Signals and Information Sources: IALA buoy indicating north, east, south, or west of the danger.
Markel International X117. Marine Insurance Markets, Captives and Reinsurance: Specialty insurer with Lloyd's Syndicate 3000 writing marine cargo, hull and liability.
Marker buoy X166. Inland Waterways, Ferries, RoRo, and Short Sea Shipping: A floating aid to navigation marking the navigable channel on inland rivers, color-coded under the IALA system.
Marker Light X103. US Inland Waterway Towing and Barge: A lighted aid to navigation on a buoy, dolphin or bridge.
Marker Mounted Crane X169. Container Terminal Cranes, Yard Equipment, and Lashing: Permanent quay-mounted crane fixed in position, distinct from rail-travelling or wheeled designs.
Marker Wadden X124. Dredging Industry and Reclamation Contractors: Boskalis EU-funded ecological islands in IJsselmeer, 1,000 ha new wetland.
Market Report X161. Shipbroking, Freight Derivatives, and Baltic Indices: Periodic broker publication summarizing fixtures, S&P deals, and index movements, often weekly.
Market Valuation X29. Ship Sale and Purchase, Management Contracts and Valuation: Estimate based on willing buyer and seller comparable evidence.
Market Value Clause (Cargo) X4. Marine Insurance, P&I and Claims: clause valuing claims at destination market price.
Marketplace Reporting X44. Shipping Indices, FFAs and Freight Markets: Voluntary or mandatory submission of trade prices and volumes by brokers and exchanges to aid market transparency.
Markey Machinery X79. Tugs and Towage Industry: Seattle-based US winch manufacturer particularly known for its render-recover escort winches.
Marking, plate X58. Shipbuilding Yards and Construction: Inkjet or scribed marking of plate components for assembly identification.
Markland Locks and Dam X103. US Inland Waterway Towing and Barge: An Ohio River navigation structure in Indiana and Kentucky.
Marlim Sul X124. Dredging Industry and Reclamation Contractors: Brazilian Petrobras subsea project requiring dredging support.
Marlin X10. Marine Biology, Fisheries and Oceanography: Large pelagic billfishes of the family Istiophoridae.
MarLIN (Marine Life Information Network) X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines: UK marine biodiversity data source frequently consulted in MSP and EIA studies.
Marline X3. Ship Handling, Seamanship and Deck Vocabulary: Light two-strand line used for seizing and serving.
Marlink X48. Maritime Cybersecurity: Maritime satellite communications and IT services provider supporting many merchant and offshore operators.
Marlink Cyber X107. Maritime Cybersecurity and OT Security: Marlink's cyber security service line for shipping customers.
Marlink Cyber Guard X139. Maritime Cybersecurity, OT Threats and Standards: SOC service operated by Marlink Group from its NOCs in Belgium and Norway.
Marlink Sea Connect Cyber X107. Maritime Cybersecurity and OT Security: Marlink managed cyber security service bundled with its Sea Connect connectivity offering.
Marlink Sealink X68. Maritime Satcom and Telecommunications: Marlink VSAT service brand covering Ku-band and Ka-band offerings.
Marlink XChange X68. Maritime Satcom and Telecommunications: Marlink onboard service delivery platform managing crew calling, internet, and content.
Marlins English Language Test Centers X121. Maritime Education, Academies and Universities: Industry-standard English language assessment service for seafarers.
Marlinspike F5. The Reference Layer: Glossary, Units, Signals and Information Sources: Pointed iron tool for splicing rope.
MARLO X127. Maritime Security, Anti-Piracy and PMSCs: Maritime Liaison Office Bahrain, US Navy-operated communication conduit between USNAVCENT and commercial shipping since 2008.
Marlow Ropes X173. Mooring, Anchoring, OCIMF MEG4, and Equipment Numeral: UK manufacturer of high performance synthetic mooring and rigging ropes.
Marmara X124. Dredging Industry and Reclamation Contractors: Turkish dredging market location.
MARNET X57. Ocean Energy Beyond Wind: French marine renewable energy research network supporting tidal and wave demonstrations.
Maroochydore X122. Submarine Cable Laying, Repair Vessels and Operators: Australian landing site in Queensland for Coral Sea Cable System, JGA and TGA, served by Vocus.
MARORKA X19. Engine Room Watchkeeping and UMS Operations: Onboard energy and performance monitoring system widely fitted on container ships.
Marorka Online X74. AIS Data, Vessel Tracking and Maritime Intelligence: Icelandic ship performance and emissions monitoring service.
MARPA X89. ECDIS and Bridge Equipment Makers: Mini ARPA, a small craft target tracking function found on leisure radars.
MARPOL A3. Marine environmental legislation: MARPOL and its annexes: International Convention for the Prevention of Pollution from Ships, 1973, as modified by the 1978 and 1997 Protocols; the IMO treaty governing marine pollution across six annexes.
MARPOL 1973 X158. IMO Conventions, Protocols, Codes, and Resolutions: International Convention for the Prevention of Pollution from Ships, adopted 2 November 1973 but never entered into force in its original form.
MARPOL 1978 Protocol X158. IMO Conventions, Protocols, Codes, and Resolutions: Protocol of 1978 relating to MARPOL, adopted 17 February 1978 and combined with the parent convention as MARPOL 73/78, entering into force 2 October 1983.
MARPOL 1997 Protocol X158. IMO Conventions, Protocols, Codes, and Resolutions: Protocol adding Annex VI to MARPOL, adopted 26 September 1997 and entered into force 19 May 2005.
MARPOL 73/78 A3. Marine environmental legislation: MARPOL and its annexes: 1973 Convention as modified by the 1978 Protocol.
MARPOL Annex Amendment A1. The IMO and the international regulatory framework: Adopted by MEPC under tacit acceptance under Article 16 of MARPOL.
MARPOL Annex Cross-cutting Provisions X171. MARPOL 73/78: Annex-by-Annex Detailed Glossary: Provisions appearing in MARPOL Articles 1 to 9 and Protocols I and II, including incident reporting (Protocol I) and arbitration (Protocol II).
MARPOL Annex Deficiency X146. Port State Control Regimes, MoUs, and Inspection Systems: A 14xxx finding spanning Annexes I (oil), II (NLS), III (packaged), IV (sewage), V (garbage), and VI (air emissions).
MARPOL Annex I C2. Ship operations, crewing and technical management: Prevention of pollution by oil.
Marpol Annex I (Oil) X1. Cargo Science, Commodities and Cargo Care: Regulates oil cargo and oily discharges.
MARPOL Annex I Compliance at Recycling X50. Ship Recycling, Demolition and Hong Kong Convention: The transition from operational MARPOL controls to recycling-stage residue management.
MARPOL Annex I Liaison X86. Port Agency, Husbandry and Disbursement: Coordination of oily waste reception under MARPOL Annex I.
Marpol Annex I oil tank coating X45. Marine Paints, Coatings and Antifouling: Coating in cargo and slop tanks of oil tankers, governed by IMO PSPC-COT.
MARPOL Annex I probabilistic outflow X162. Naval Architecture, Stability, Resistance, and Structural Design: Regulation 23 methodology for calculating mean outflow performance of oil tankers in collision and grounding scenarios.
MARPOL Annex I Reg 43 X27. Polar Code, Ice Navigation and Polar Operations: Carriage and use of HFO prohibited in Antarctic waters since 1 August 2011.
MARPOL Annex I Reg 43A X27. Polar Code, Ice Navigation and Polar Operations: Carriage and use of HFO prohibited in Arctic waters from 1 July 2024.
MARPOL Annex I Regulation 43 X133. Polar Research Vessels and Polar Code Regimes: HFO carriage and use ban for Antarctic waters since 2011.
MARPOL Annex I Residues X118. Ship Recycling Yards, Beaches and Regulation: Oily residues governed by MARPOL Annex I, listed in IHM Part II and managed under operational waste protocols.
MARPOL Annex I, Polar X52. Polar Code, Arctic and Antarctic Shipping: MARPOL provisions concerning oil discharges, retention, and HFO use applicable to ships in polar waters under Part II-A of the Polar Code.
MARPOL Annex II C2. Ship operations, crewing and technical management: Prevention of pollution by noxious liquid substances.
Marpol Annex II (NLS) X1. Cargo Science, Commodities and Cargo Care: Categories X, Y, Z, OS for liquid bulks.
MARPOL Annex II (Polar Code) X27. Polar Code, Ice Navigation and Polar Operations: Polar Code Part II-A prohibits discharge of NLS in polar waters.
MARPOL Annex II, Polar X52. Polar Code, Arctic and Antarctic Shipping: MARPOL provisions concerning noxious liquid substances applicable to ships in polar waters under Part II-A of the Polar Code.
MARPOL Annex III C2. Ship operations, crewing and technical management: Prevention of pollution by harmful substances in packaged form.
MARPOL Annex IV C2. Ship operations, crewing and technical management: Prevention of pollution by sewage.
MARPOL Annex IV (Polar Code) X27. Polar Code, Ice Navigation and Polar Operations: Polar Code restricts sewage discharge in polar waters.
MARPOL Annex IV, Polar X52. Polar Code, Arctic and Antarctic Shipping: MARPOL provisions concerning sewage discharges applicable to ships in polar waters under Part II-A of the Polar Code.
MARPOL Annex V C2. Ship operations, crewing and technical management: Prevention of pollution by garbage.
MARPOL Annex V (Polar Code) X27. Polar Code, Ice Navigation and Polar Operations: Polar Code prohibits garbage discharge in polar waters except food waste under conditions.
MARPOL Annex V Liaison X86. Port Agency, Husbandry and Disbursement: Coordination of garbage reception under MARPOL Annex V.
MARPOL Annex V medical waste X36. Shipboard Medical, Telemedicine and Seafarer Health: Garbage record book entries for clinical waste landed ashore.
MARPOL Annex V, Polar X52. Polar Code, Arctic and Antarctic Shipping: MARPOL provisions concerning garbage discharges applicable to ships in polar waters under Part II-A of the Polar Code.
MARPOL Annex VI B2. Marine Engineering: Air pollution and energy-efficiency annex.
MARPOL Annex VI (Cruise) E4. Cruise, offshore energy and auxiliary/specialised fleets: Cruise-relevant air-emissions regulation.
MARPOL Annex VI Chapter 4 D6. Decarbonization, emissions and alternative fuels: Energy efficiency provisions including EEDI and SEEMP.
MARPOL Annex VI reception X15. Ports, Terminals and Stevedoring: facility receiving exhaust gas cleaning residues and similar wastes.
MARPOL Annex VI Reg 13 X69. EGCS Scrubbers, SCR and Marine Air Emissions: Regulation governing NOx emissions and Tier I/II/III thresholds.
MARPOL Annex VI Reg 14 X2. Marine Bunker Fuels, Lubricants and Bunkering Operations: Sulphur content of fuel oil global cap (0.50% m/m) and ECA cap (0.10% m/m).
MARPOL Annex VI Reg 18 X2. Marine Bunker Fuels, Lubricants and Bunkering Operations: Fuel oil availability and quality, BDN, sampling, and FONAR.
Marpol Annex VI Regulation 18 X72. Bunkering Hubs and Bunker Suppliers: Regulation on fuel oil availability and quality including BDN, sampling, and supplier registration requirements.
MARPOL Convention X172. IMDG Code: Classes, Divisions, Segregation, and Key UN Numbers: Annex III implements IMDG marine pollutant identification and reporting on a treaty basis.
MARPOL interface X170. SOLAS 1974 Convention: Chapter-by-Chapter Glossary: SOLAS II-2/4.5 on tankers cross-references inert-gas and crude-oil-washing provisions of MARPOL Annex I as updated by MSC.367(93) (IGS for all tankers 8,000 DWT and above from 1 January 2016).
MARPOL Polar Code X97. Polar Expedition Cruise and IAATO Operations: Environmental provisions of the Polar Code given mandatory effect through MARPOL amendments.
MARPOL retained sample X47. Marine Fuel Quality and ISO 8217: Sealed sample of delivered fuel retained on board for at least 12 months for compliance verification, minimum volume 400 mL.
MARPOL Sample X115. Marine Bunker and Cargo Surveying: Sealed 400 ml minimum sample drawn during 100 percent of delivery, retained on board 12 months for verification per MEPC.182(59).
Marpol Sample Clause (BIMCO) X17. Chartering, Shipbroking and Freight Trading: Allocates sampling responsibilities under MARPOL Annex VI.
MARPOL Special Area A3. Marine environmental legislation: MARPOL and its annexes: Sea area where mandatory discharge methods are more stringent.
MARPOL Statutory Survey X142. Classification Societies and Class Notations: Examination conducted by the RO for IOPP, IAPP, ISPP certificates.
Marpolemax B5. Ship Types and Individual Vessels: Informal term for vessels constrained by MARPOL limits.
Marquesas Islands X39. Pre-1900 Maritime History: Pacific archipelago visited by Mendaña in 1595 and central to South Sea whaling lore.
Marquette Transportation Company X103. US Inland Waterway Towing and Barge: A Paducah, Kentucky inland operator founded in 1978 with dry, liquid and offshore operating units.
MarramWind X123. Offshore Wind Installation Vessels and Operators: 3 GW floating wind project in ScotWind Round, ScottishPower Renewables and Shell joint venture.
MARS X12. Maritime Casualties and Investigation: Mariners' Alerting and Reporting Scheme run by The Nautical Institute, an anonymized near-miss database.
MARS (Mariner Alerting and Reporting System) X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA: The Nautical Institute confidential reporting system whose lessons feed industry safety culture and TMSA Element 8.
MARS (Mariners Alerting and Reporting Scheme) B3. Nautical Science: Nautical Institute reporting scheme.
MARS 2000 X54. Naval Architecture Software and IACS Rules: Bureau Veritas legacy structural analysis program for hull cross sections.
MARS Maritime Welfare Service Awards X102. Seafarer Welfare and Maritime Charities: Annual awards run by ISWAN recognizing outstanding welfare services for seafarers.
Marsa Construction X113. Drydock and Ship Repair Yards: Reference Turkish builder in the wider Tuzla cluster, with specific scope subject to verification.
MarSEA software B3. Nautical Science: Voyage planning and weather routing software.
MARSEC X107. Maritime Cybersecurity and OT Security: Maritime Security level system used by the United States Coast Guard with levels 1, 2, and 3.
MARSEC AIS Encryption X74. AIS Data, Vessel Tracking and Maritime Intelligence: Discussion of encrypted AIS variants studied under EU and IMO research programs.
MARSEC Directive 105-6 X148. Maritime Cybersecurity, IACS Cyber Rules, and Incidents: The USCG cybersecurity-related Maritime Security directive whose details remain Sensitive Security Information.
MARSEC Level 1 E1. Maritime security, geopolitics and risk: Normal security level under ISPS/USCG.
MARSEC Level 2 E1. Maritime security, geopolitics and risk: Heightened security level.
MARSEC Level 3 E1. Maritime security, geopolitics and risk: Exceptional/incident-imminent level.
MARSEC Levels X25. Maritime Cybersecurity, OT and IT: ISPS Code maritime security levels 1, 2 and 3.
MARSEC Levels 1, 2, 3 X148. Maritime Cybersecurity, IACS Cyber Rules, and Incidents: The US Maritime Security threat levels, into which cyber threat indicators feed under USCG policy.
MARSEC Notice 02-22 X107. Maritime Cybersecurity and OT Security: USCG MARSEC Directive addressing cyber risk reporting and measures at Tier 1 facilities.
Marseille X64. Cruise Industry Operators, Brands and Ships: French Mediterranean cruise port and base for Costa and MSC operations.
Marseille MPCC X164. Cruise Industry, Brands, Ship Classes, and Terminals: The Marseille Provence Cruise Center jointly owned by MSC, Costa, and Louis Cruises operating cruise terminals at the Mole Leon Gourret.
Marseille-Fos Pilots X159. Marine Pilotage, Pilot Districts, and Pilots' Associations: Syndicat des pilotes maritimes de Marseille-Fos covering the Gulf of Fos and the old port of Marseille.
Marsh X108. Marine Insurance and P&I Clubs: A leading international insurance broker active in marine hull, cargo, and P&I placements.
Marsh Captive Solutions X117. Marine Insurance Markets, Captives and Reinsurance: Marsh's captive consulting and management practice, the largest independent captive manager.
Marsh Marine & Cargo X157. Marine Loss Adjusters, GA Practice, and Casualty Firms: Marine practice of Marsh McLennan, the world's largest insurance broker by revenue.
Marsh Marine Cyber X25. Maritime Cybersecurity, OT and IT: Cyber insurance practice within Marsh including marine specific wordings.
Marshal Ustinov X106. Naval Surface Combatants: Russian Navy Slava-class guided-missile cruiser, second of class.
Marshall Islands X7. Flag State, Port State Control and Detention Vocabulary: Open registry administered by International Registries, Inc., among the world's top three flags by tonnage.
Marshall Islands Flag (IRI) X151. Maritime Sanctions, Dark Fleet, and Price Cap Regimes: A major open registry that publicly tightened ownership vetting and deregistered identified dark-fleet vessels.
Marshall Islands LRIT X74. AIS Data, Vessel Tracking and Maritime Intelligence: National LRIT Data Centre serving Marshall Islands flagged ships, operated by international service providers.
Marshall Islands Maritime Mortgage X49. Ship Finance, Leasing and Maritime Capital Markets: Mortgage registered under the Marshall Islands Maritime Act for vessels on that flag.
Marshall Islands Registry X21. STCW Certificates, Crewing and Seafarer Welfare: IRI administered open registry issuing STCW endorsements.
Marshall Islands Ship Registry X98. Ship Registries and Flag States: Third largest registry with approximately 190 million GT and 5,000 vessels, administered by IRI from Reston, Virginia.
Marshall Islands Stellar Daisy report X163. Marine Accident Investigation Agencies and Landmark Inquiries: Final report of the Republic of the Marshall Islands Maritime Administrator investigation into the loss of the converted VLOC Stellar Daisy on 31 March 2017 in the South Atlantic with 22 fatalities.
MARSIM ARI X55. Marine Simulators, Training and Maritime Academies: Marine simulator developed by the Institute for Ocean Technology in St. John's, Newfoundland, with a long research pedigree.
MarSim by Rheinmetall X55. Marine Simulators, Training and Maritime Academies: Bridge and navigation simulator family produced by Rheinmetall Defence Electronics for naval and merchant training.
MARSIM Conference X144. Bridge Simulators, Engine Room Simulators, and Maritime Training Equipment: Triennial International Conference on Marine Simulation and Ship Manoeuvrability organised by IMSF.
Marsoft Inc. X71. Shipbrokers and Brokerage Firms: Boston-based shipping consultancy providing forecasts and asset advisory.
Marstal Navigationsskole X160. Maritime Academies, Universities, and STCW Certification: See Maritime School in Marstal.
MARTAC Mantas T12 X65. ROVs, AUVs, USVs and Marine Robotics: Twelve foot multi-mission USV from MARTAC used by US Navy and allied forces.
MARTAC Mantas T24 X65. ROVs, AUVs, USVs and Marine Robotics: Twenty-four foot MARTAC USV with greater payload than the T12.
MARTAC Mantas T38 X65. ROVs, AUVs, USVs and Marine Robotics: Thirty-eight foot MARTAC USV in the heavy unmanned surface vessel class.
MARTHA Project X144. Bridge Simulators, Engine Room Simulators, and Maritime Training Equipment: EU-funded fatigue study on simulators 2010-2015.
MarTID X21. STCW Certificates, Crewing and Seafarer Welfare: Maritime Training Insights Database, annual industry training survey.
MARTINI Yacht Brokers X125. Superyacht Industry, Builders and Brokers: Italian regional brokerage.
Marubeni X134. LNG and LPG Carrier Operators and Containment Systems: Japanese trading house with LNG offtake from Equatorial Guinea, Qatar and Australia, partner in chartered fleet.
Marubeni Marine Trading X72. Bunkering Hubs and Bunker Suppliers: Marine fuel trading desk of Marubeni Corporation active in Japan, Singapore, and Houston.
Marugame Shipyard X113. Drydock and Ship Repair Yards: Imabari Shipbuilding's principal yard at Marugame, Kagawa, Japan, building large bulkers, tankers, and container ships.
Maruha Nichiro X87. Fishing Vessels and Fisheries Management: Major Japanese fisheries and food company, operator of distant water tuna and other fleets.
Maruha Nichiro Corporation X131. Commercial Fisheries, Trawler Fleets and Seafood Processors: Tokyo-listed Japanese seafood group, the world's largest seafood company by sales.
Mary Anne X128. Sail Training Ships and Tall Ship Associations: Australian topsail schooner built 1996, 26 m length, sail training in Tasmania and the Tall Ships Races Australia 2013.
Mary Maersk X124. Dredging Industry and Reclamation Contractors: Triple-E class container ship driving deepening of approach channels.
Mary Rose F1. Maritime History: Tudor warship sunk in 1545 in the Solent and raised in 1982.
Mary Rose Museum F2. Maritime Culture, Heritage, Archaeology, Art and Museums: Portsmouth institution housing the recovered Tudor warship.
Maryland Offshore Wind X42. Offshore Wind Installation and Cable Lay: BOEM lease area off Maryland with developers including US Wind.
Maryland Pilots X32. Marine Pilotage and Pilot Operations: State pilots covering Chesapeake Bay and the approaches to Baltimore.
MAS Notice 644 X107. Maritime Cybersecurity and OT Security: Monetary Authority of Singapore notice on technology risk management for financial institutions.
MASA X86. Port Agency, Husbandry and Disbursement: Marine Agencies Alliance, an independent agency cooperation network.
MASE Programme E1. Maritime security, geopolitics and risk: EU/IOC maritime security capacity-building in the western Indian Ocean.
MASRWG X109. Maritime Autonomous Surface Ships and MASS Code: The United Kingdom Maritime Autonomous Surface Ships Regulatory Working Group that coordinates national MASS regulation.
MASS (Maritime Autonomous Surface Ship) E3. Technology, digitalization and smart shipping: IMO term covering varying autonomy degrees.
Mass Affluent Investor X49. Ship Finance, Leasing and Maritime Capital Markets: Retail or semi professional investor targeted by KG and KS placements.
Mass airflow X26. Reefer Containers and Cold Chain Logistics: Cargo-traversing air mass per unit time; specified in some reefer commodity guides.
Mass Casualty Incident plan X36. Shipboard Medical, Telemedicine and Seafarer Health: Ship-specific procedure for incidents exceeding routine medical capacity.
MASS Code (Non-Mandatory 2026, Mandatory 2032 target) E3. Technology, digitalization and smart shipping: IMO instrument under development.
Mass Conversion X115. Marine Bunker and Cargo Surveying: Calculation converting observed volume at observed temperature to mass at 15 degrees C using density and volume correction factors.
MASS Cyber Considerations X48. Maritime Cybersecurity: Cyber aspects of Maritime Autonomous Surface Ships addressed in IMO work and class society guidance.
Mass Definition X109. Maritime Autonomous Surface Ships and MASS Code: The IMO four degree taxonomy of MASS adopted to structure regulatory work on autonomous shipping.
MASS Degree 1 E3. Technology, digitalization and smart shipping: Ship with automated processes and decision support; crew on board.
MASS Degree 2 E3. Technology, digitalization and smart shipping: Remotely controlled with seafarers on board.
MASS Degree 3 E3. Technology, digitalization and smart shipping: Remotely controlled without seafarers on board.
MASS Degree 4 E3. Technology, digitalization and smart shipping: Fully autonomous ship.
Mass Evacuation Analysis X164. Cruise Industry, Brands, Ship Classes, and Terminals: An IMO required engineering analysis demonstrating that a cruise ship can be evacuated within 60 minutes per the Safe Return to Port framework.
Mass Explosion X75. IMDG Code, Classes, Packing and Segregation: Explosion that affects virtually the entire load instantaneously, definition for Class 1.1 substances.
Mass flow controller (CCS) X57. Ocean Energy Beyond Wind: Instrument used to regulate CO2 injection rates into offshore storage wells.
Mass flow meter C2. Ship operations, crewing and technical management: MFM, custody transfer meter required for bunkering in Singapore and other ports.
Mass Flow Meter (Coriolis) X20. LNG Operations and Custody Transfer: Emerson Micro Motion CMF series used at LNG bunkering and small-scale custody transfer.
Mass Flow Meter (MFM) D6. Decarbonization, emissions and alternative fuels: Bunkering meter used in Singapore and elsewhere for accurate measurement.
Mass Maritime X21. STCW Certificates, Crewing and Seafarer Welfare: Massachusetts Maritime Academy at Buzzards Bay, US state maritime academy.
MASS Maritime Autonomous Surface Ships X25. Maritime Cybersecurity, OT and IT: Vessels operating at varying autonomy degrees, framed by the IMO MASS Code.
Mass moment of inertia (Ixx, Iyy, Izz) B1. Naval Architecture: Rotational inertia about principal axes.
Mass Rescue Operation X80. Maritime Search and Rescue Coordination: MRO, a SAR response involving large numbers of survivors beyond routine capability.
MASS Trial Guidelines (MSC.1/Circ.1604) E3. Technology, digitalization and smart shipping: IMO interim guidelines for trials.
Mass-Loss Coupon X100. Marine Cathodic Protection and Anodes: A weighed metal specimen retrieved after defined exposure to quantify corrosion rate gravimetrically.
Massachusetts CIP zone X42. Offshore Wind Installation and Cable Lay: Federal lease area off Massachusetts containing Vineyard Wind 1 and SouthCoast Wind.
Massachusetts Maritime Academy F3. Seafaring Life, Education, Professions and Institutions: US state maritime academy at Buzzards Bay.
Massachusetts Maritime Academy (MMA) X160. Maritime Academies, Universities, and STCW Certification: US state maritime academy at Buzzards Bay Massachusetts founded in 1891, one of six US state maritime academies.
Massachusetts Port Authority X138. Global Container Terminal Operators and Port Equipment: Massport, public corporation operating Boston Conley Container Terminal handling 320,000 TEU in 2023.
MASSPORT Bunker Bylaws X72. Bunkering Hubs and Bunker Suppliers: Local rules governing bunker supply at the Port of Boston issued by Massachusetts Port Authority.
MASSPORT Sandbox X109. Maritime Autonomous Surface Ships and MASS Code: The Maritime and Port Authority of Singapore regulatory sandbox for MASS trials in Singapore waters.
Massterly X109. Maritime Autonomous Surface Ships and MASS Code: The Kongsberg and Wilhelmsen joint venture established in 2018 to operate autonomous vessels including the Yara Birkeland.
Mast X3. Ship Handling, Seamanship and Deck Vocabulary: Vertical spar supporting sails or signaling gear.
Mast band X3. Ship Handling, Seamanship and Deck Vocabulary: Iron band on a mast for attaching rigging.
Mast coating X45. Marine Paints, Coatings and Antifouling: Topcoat applied to radar and signaling masts, normally aliphatic polyurethane.
Mast Crane X81. Project Cargo, Heavy-Lift and Module Carriers: Pedestal-mounted heavy-lift crane characteristic of Jumbo and BigLift heavy-lift vessels, often deployed in tandem.
Mast Light F5. The Reference Layer: Glossary, Units, Signals and Information Sources: All-round white masthead navigation light under COLREGs.
Mast step X3. Ship Handling, Seamanship and Deck Vocabulary: Block in which the heel of a mast rests.
Master C2. Ship operations, crewing and technical management: Captain of the vessel.
Master and Chief Mate Course X55. Marine Simulators, Training and Maritime Academies: STCW Regulation II/2 management-level course for ships of 500 GT or more.
Master and Commander X39. Pre-1900 Maritime History: A Royal Navy rank between lieutenant and post-captain, formalized in 1718.
Master B/L X6. Container, Intermodal and Trade Codes: Bill of lading issued by the ocean carrier to an NVOCC or forwarder.
Master bill of lading C3. Logistics, freight forwarding and multimodal trade: MBL between vessel operator and NVOCC.
Master cabin X125. Superyacht Industry, Builders and Brokers: Owner's stateroom, typically on the main or owner's deck.
Master Compass X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS: Primary heading source for the bridge from which repeaters and consumers take their feed.