Glossary

Maritime glossary, terms beginning with M (page 2)

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

Showing 250 of 2781 terms (page 2 of 12).

MaK 6M32C X90. Marine Engine Specific Model Enumeration: MaK medium-speed marine main engine with six inline cylinders and 320 millimeter bore, now branded under Caterpillar Marine.
MaK 8M46DF X90. Marine Engine Specific Model Enumeration: MaK medium-speed marine dual-fuel engine with eight inline cylinders and 460 millimeter bore for natural gas operation.
MaK 9M32C X90. Marine Engine Specific Model Enumeration: MaK medium-speed marine main engine with nine inline cylinders and 320 millimeter bore.
MaK acquisition (1997) X90. Marine Engine Specific Model Enumeration: Caterpillar purchase of MaK Maschinenbau Kiel that brought medium-speed marine engines into the Cat Marine portfolio.
MaK M32C B2. Marine Engineering: Caterpillar medium-speed marine engine.
MaK M43C X90. Marine Engine Specific Model Enumeration: MaK medium-speed marine engine family with 430 millimeter bore for higher power propulsion duty.
MaK M46DF X90. Marine Engine Specific Model Enumeration: MaK medium-speed marine dual-fuel engine family with 460 millimeter bore for natural gas propulsion.
Makai Ocean Engineering X57. Ocean Energy Beyond Wind: US engineering firm based in Hawaii that operates an OTEC demonstration plant at the Natural Energy Laboratory of Hawaii.
Makarov State University X121. Maritime Education, Academies and Universities: See Admiral Makarov State University.
Make fast X3. Ship Handling, Seamanship and Deck Vocabulary: Secure a rope.
Make way X3. Ship Handling, Seamanship and Deck Vocabulary: Move through the water.
Make Whole Premium X49. Ship Finance, Leasing and Maritime Capital Markets: Premium payable on early redemption of a shipping bond, designed to compensate the holder.
Make-up Gas X82. Saturation Diving and Offshore Diving Operations: Replacement gas added to maintain chamber composition.
Makin Island (USS) LHD-8 X106. Naval Surface Combatants: Eighth and final Wasp-class amphibious assault ship, commissioned 2009 with gas-turbine and electric propulsion.
Mako shark X10. Marine Biology, Fisheries and Oceanography: Fast-swimming lamnid shark of the genus *Isurus*.
Malacca Strait E1. Maritime security, geopolitics and risk: Chokepoint between Indonesia, Malaysia, and Singapore.
Malacca Strait Patrols (MSP) E1. Maritime security, geopolitics and risk: Trilateral coordinated patrols by IDN, MYS, SGP, THA.
Malaccamax B5. Ship Types and Individual Vessels: Largest size able to transit the Malacca Strait, ~330 m draft constrained.
Malaria X36. Shipboard Medical, Telemedicine and Seafarer Health: Plasmodium infection acquired in endemic ports; rapid diagnostic test (RDT) and artemether-lumefantrine on Category A ships.
Malarone X36. Shipboard Medical, Telemedicine and Seafarer Health: Brand name for atovaquone-proguanil antimalarial.
Malaysia PSC X66. Port State Control and Regional MOUs: Tokyo MOU member; PSC conducted by Marine Department.
Malaysian Institute of Marine Engineering Technology X121. Maritime Education, Academies and Universities: UniKL MIMET in Lumut, Perak, founded 2002 as a campus of Universiti Kuala Lumpur.
Malcolm Miller X128. Sail Training Ships and Tall Ship Associations: UK Sail Training Association topsail schooner built 1968 at Aberdeen, 41 m length, sister to Sir Winston Churchill, served until 2000, broken up 2010.
Maldives X35. Yacht and Superyacht Industry: Indian Ocean cruising ground popular with explorer yachts.
Malicious Insider X48. Maritime Cybersecurity: Authorized user who deliberately abuses access to harm a shipping company or vessel.
Mallorca X35. Yacht and Superyacht Industry: Balearic island; Palma is a major superyacht refit and charter base.
Malmo World Maritime University X121. Maritime Education, Academies and Universities: See World Maritime University.
MALS X112. IMO GHG Strategy, CII, EEXI and EU Maritime Regulation: Mitsubishi Air Lubrication System, an early air lubrication design from Mitsubishi Shipbuilding.
Malta X7. Flag State, Port State Control and Detention Vocabulary: EU flag administered by Transport Malta, Merchant Shipping Directorate, among the world's top flags by tonnage.
Malta Maritime Academy X121. Maritime Education, Academies and Universities: Branch of the Malta College of Arts, Science and Technology (MCAST) at Paola, providing IMO-recognized seafarer training.
Malta Merchant Shipping Directorate X156. Superyacht Industry, Builders, and Yacht Charter Market: Department of Transport Malta operating Malta's flag for one of the largest commercial yacht registries by tonnage.
Malta PSC X66. Port State Control and Regional MOUs: Paris MOU and Mediterranean MOU member State.
Malta Ship Registry X98. Ship Registries and Flag States: EU open register administered by Transport Malta with about 9,000 vessels and approximately 115 million GT.
Maltese Falcon X125. Superyacht Industry, Builders and Brokers: 88 m Perini Navi Dynarig sailing yacht delivered 2006, currently owned by Pleon Limited.
Maltese Tonnage Tax X98. Ship Registries and Flag States: EU-approved Maltese tonnage tax regime applicable to qualifying shipping organizations.
Maluku Tuna Fishery X87. Fishing Vessels and Fisheries Management: Indonesian small scale and industrial tuna fishery managed under WCPFC and IOTC overlap rules.
Malware X48. Maritime Cybersecurity: Software designed to cause unauthorized effects on shipboard or shore systems.
Mammoet X60. Marine Salvage and Wreck Removal: Dutch heavy lift contractor with crawler and ring crane fleet, formerly operating Mammoet Salvage.
Mammoet Engineering X104. Project Cargo Forwarders and Heavy Transport: Engineering arm of Mammoet supporting heavy lift and transport design.
Mammoet MSG-80 X104. Project Cargo Forwarders and Heavy Transport: Ring crane in the Mammoet fleet built for refinery and petrochemical modules.
Mammoet PTC X60. Marine Salvage and Wreck Removal: Platform Twin Ring crane series providing capacities suitable for refinery and platform modules.
Mammoet PTC 200-DS X104. Project Cargo Forwarders and Heavy Transport: Platform Twin-ring Containerized crane with maximum lift capacity of 5,000 tonnes.
Mammoet PTC 35-DS X104. Project Cargo Forwarders and Heavy Transport: Smaller member of the PTC ring crane family in the Mammoet fleet.
Mammoet Salvage X13. Marine Salvage and Wreck Removal: Heavy lift specialist active in raising of Kursk and similar deep wreck lifts.
Mammoet SK Series X104. Project Cargo Forwarders and Heavy Transport: Range of containerized ring cranes used worldwide for heavy modular work.
Mampaey iDock X173. Mooring, Anchoring, OCIMF MEG4, and Equipment Numeral: Automated mooring system by Mampaey using ship-side vacuum pads on a shore arm to replace conventional lines.
Mampaey MoorMate X173. Mooring, Anchoring, OCIMF MEG4, and Equipment Numeral: Mampaey-designed quick release hook with integrated load monitoring.
Mampaey Offshore Industries X94. Port Machinery and Quay Equipment Makers: Dutch manufacturer of quick-release hooks, capstans, and the iDOCK automated mooring system.
Mampaey Quick Release Hook X94. Port Machinery and Quay Equipment Makers: Mooring hook assembly available with one to four heads and remote release for tanker and LNG terminals.
MAN 32/40 X67. Marine Electrical Systems and Shore Power: 320 mm bore four-stroke medium-speed engine from MAN Energy Solutions widely used as a marine genset and main engine.
MAN 32/40 DF X174. Marine Engine Maintenance, Overhaul, and Condition Monitoring: Dual-fuel variant of the MAN 32/40 four-stroke engine capable of natural gas and diesel operation.
MAN 32/44CR B2. Marine Engineering: Four-stroke common-rail diesel engine.
MAN 45/60 CR X174. Marine Engine Maintenance, Overhaul, and Condition Monitoring: MAN Energy Solutions 450 mm bore common-rail medium-speed engine for cruise ship and large auxiliary applications.
MAN 48/60 X67. Marine Electrical Systems and Shore Power: 480 mm bore four-stroke marine engine from MAN Energy Solutions for large main and auxiliary duty.
MAN 51/60 DF X174. Marine Engine Maintenance, Overhaul, and Condition Monitoring: MAN Energy Solutions 510 mm bore dual-fuel medium-speed engine for LNG and oil operation.
MAN 51/60DF Methanol X111. Methanol, Ammonia and Alternative Marine Fuels: Methanol-capable variant of the MAN four-stroke 51/60DF dual-fuel engine for marine and stationary use.
MAN Alpha Adaptive Cylinder Oil Control X174. Marine Engine Maintenance, Overhaul, and Condition Monitoring: ACC system on MAN ME-C engines that adjusts cylinder oil feed rate proportionally to fuel sulfur and engine load.
MAN B&W Diesel X90. Marine Engine Specific Model Enumeration: Corporate name used from the Burmeister & Wain integration until the 2010 rename to MAN Diesel & Turbo.
MAN B&W EGR X69. EGCS Scrubbers, SCR and Marine Air Emissions: MAN Energy Solutions exhaust gas recirculation system for two-stroke engines.
MAN B&W G70ME-C9.5 B2. Marine Engineering: Long-stroke 70 cm bore Tier-II two-stroke engine.
MAN B&W G80ME-C X19. Engine Room Watchkeeping and UMS Operations: Ultra long stroke electronically controlled two stroke engine.
MAN B&W K98ME X19. Engine Room Watchkeeping and UMS Operations: Large bore two stroke engine, common on Panamax and post Panamax container ships.
MAN B&W K98ME-C X174. Marine Engine Maintenance, Overhaul, and Condition Monitoring: 980 mm bore short-stroke high-power ME-C engine for large container ships.
MAN B&W L60MC X19. Engine Room Watchkeeping and UMS Operations: Long stroke mechanical two stroke engine of earlier generation.
MAN B&W ME-B X19. Engine Room Watchkeeping and UMS Operations: Camshaft controlled exhaust valve with electronic fuel injection, simplified ME variant.
MAN B&W ME-C X19. Engine Room Watchkeeping and UMS Operations: Standard electronically controlled two stroke engine.
MAN B&W ME-GI X19. Engine Room Watchkeeping and UMS Operations: Dual fuel two stroke engine burning LNG with high pressure gas injection.
MAN B&W ME-GI Conversion X113. Drydock and Ship Repair Yards: Drydock retrofit converting two-stroke engines to gas injection operation using high-pressure LNG.
MAN B&W ME-LGI X19. Engine Room Watchkeeping and UMS Operations: Dual fuel two stroke engine burning methanol or LPG with liquid gas injection.
MAN B&W ME-LGIA X111. Methanol, Ammonia and Alternative Marine Fuels: Two-stroke dual-fuel ammonia main engine family under development by MAN Energy Solutions.
MAN B&W ME-LGIA Conversion X113. Drydock and Ship Repair Yards: Drydock retrofit enabling ammonia operation on MAN Energy Solutions two-stroke engines.
MAN B&W ME-LGIM X111. Methanol, Ammonia and Alternative Marine Fuels: Two-stroke dual-fuel methanol main engine family from MAN Energy Solutions covering bores including 50, 60, 70, 80, and 90 centimeters.
MAN B&W ME-LGIM Conversion X113. Drydock and Ship Repair Yards: Drydock retrofit enabling methanol operation on MAN Energy Solutions two-stroke engines.
MAN B&W S60MC-C X19. Engine Room Watchkeeping and UMS Operations: Super long stroke conventional two stroke engine.
MAN B&W S60ME-C B2. Marine Engineering: Two-stroke 60 cm bore electronically controlled engine.
MAN B&W S65ME-C X174. Marine Engine Maintenance, Overhaul, and Condition Monitoring: 650 mm bore long-stroke ME-C engine for VLCC main propulsion and Capesize bulkers.
MAN B&W S70ME-C X19. Engine Room Watchkeeping and UMS Operations: Electronically controlled super long stroke two stroke engine.
MAN B&W S90ME-C X174. Marine Engine Maintenance, Overhaul, and Condition Monitoring: 900 mm bore Super Long Stroke ME-C engine for VLCC and Capesize bulker propulsion.
MAN Diesel & Turbo X90. Marine Engine Specific Model Enumeration: Corporate name used between 2010 and 2018 before the rebranding to MAN Energy Solutions.
MAN ECoS X148. Maritime Cybersecurity, IACS Cyber Rules, and Incidents: See ECoS; the MAN B&W two-stroke engine control system.
MAN Energy Solutions X90. Marine Engine Specific Model Enumeration: Current corporate name since 2018 for the MAN group two-stroke and four-stroke marine engine business.
MAN Energy Solutions SCR X69. EGCS Scrubbers, SCR and Marine Air Emissions: SCR retrofit and newbuild solution for MAN two-stroke and four-stroke engines.
MAN ES Alpha CPP X38. Propellers, Stern Gear and Shaft Lines: MAN Energy Solutions Alpha controllable pitch propeller, the main MAN CPP product, manufactured in Frederikshavn.
MAN ES Hyperion X63. Marine Auxiliary Machinery and Pumps: MAN Energy Solutions branded compressor and process equipment family.
MAN ES Kappel propeller X38. Propellers, Stern Gear and Shaft Lines: Tip-modified FPP/CPP blade design jointly developed by MAN ES and J. J. Kappel.
MAN ES Mark series propeller X38. Propellers, Stern Gear and Shaft Lines: Family of FPP designs offered as part of MAN ES propulsion packages.
MAN ES ME-GA B2. Marine Engineering: Two-stroke ammonia dual-fuel engine (announced).
MAN ES ME-GI B2. Marine Engineering: Two-stroke high-pressure gas injection dual-fuel engine.
MAN ES ME-LGIM B2. Marine Engineering: Two-stroke methanol dual-fuel engine.
MAN ES rudder bulb X38. Propellers, Stern Gear and Shaft Lines: Streamlined hub-aligned bulb installed on the rudder behind the propeller to recover hub-vortex energy.
MAN Holeby auxiliary engine X38. Propellers, Stern Gear and Shaft Lines: Auxiliary genset family relevant to electric drive of azimuth thrusters and pods.
MAN Holeby L16/24 X174. Marine Engine Maintenance, Overhaul, and Condition Monitoring: MAN Energy Solutions 160 mm bore high-speed auxiliary genset engine for ships of moderate auxiliary load.
MAN Holeby L23/30H X174. Marine Engine Maintenance, Overhaul, and Condition Monitoring: MAN Energy Solutions 225 mm bore four-stroke auxiliary engine widely used as marine genset prime mover.
MAN Holeby L27/38 X174. Marine Engine Maintenance, Overhaul, and Condition Monitoring: MAN Energy Solutions 270 mm bore four-stroke marine auxiliary and small main propulsion engine.
MAN Holeby L32/40 X174. Marine Engine Maintenance, Overhaul, and Condition Monitoring: MAN Energy Solutions 320 mm bore four-stroke marine engine for auxiliary and main propulsion duty.
MAN Holeby V28/32S X174. Marine Engine Maintenance, Overhaul, and Condition Monitoring: Vee configuration auxiliary engine in the Holeby range used for marine genset applications.
MAN L21/31 X67. Marine Electrical Systems and Shore Power: 210 mm bore four-stroke MAN auxiliary engine widely fitted as a genset on tankers and bulk carriers.
MAN L23/30H X19. Engine Room Watchkeeping and UMS Operations: Medium speed auxiliary engine widely fitted on bulk carriers and tankers.
MAN L27/38 X19. Engine Room Watchkeeping and UMS Operations: Medium speed engine for propulsion and generator service.
MAN L32/40 X19. Engine Room Watchkeeping and UMS Operations: Medium speed four stroke engine for main and auxiliary duty.
MAN L48/60 X19. Engine Room Watchkeeping and UMS Operations: Larger medium speed engine for cruise and ferry main propulsion.
MAN L51/60DF B2. Marine Engineering: Four-stroke dual-fuel medium-speed engine.
MAN MC/MC-C X174. Marine Engine Maintenance, Overhaul, and Condition Monitoring: MAN B&W mechanically controlled two-stroke engine generation preceding the ME series, with camshaft-driven fuel pumps and exhaust valves.
MAN ME-B X61. Marine Lubricants and Cylinder Oils: MAN Energy Solutions electronically controlled two-stroke engine variant using mechanical fuel pumps and an electronic exhaust valve, served by Alpha Lubricator.
MAN ME-C X61. Marine Lubricants and Cylinder Oils: Fully electronically controlled MAN Energy Solutions two-stroke engine equipped with Alpha Lubricator cylinder oil injection.
MAN ME-GA X34. Decarbonization, Alternative Fuels and Carbon Pricing: MAN Energy Solutions two-stroke ammonia-capable dual-fuel engine.
MAN ME-GI X20. LNG Operations and Custody Transfer: Two-stroke high-pressure (around 300 bar) gas-injection diesel engine by MAN Energy Solutions, Diesel cycle.
MAN ME-LGI X174. Marine Engine Maintenance, Overhaul, and Condition Monitoring: MAN dual-fuel ME engine designed for liquid gas injection of methanol, LPG, or ammonia using high-pressure pump and pilot oil ignition.
MAN ME-LGIA X34. Decarbonization, Alternative Fuels and Carbon Pricing: Two-stroke dual-fuel ammonia engine; prototype demonstrated 2024.
MAN ME-LGIM X20. LNG Operations and Custody Transfer: Methanol variant of ME-GI for methanol-fueled ships; not LNG but related dual-fuel platform.
MAN NA Turbocharger X174. Marine Engine Maintenance, Overhaul, and Condition Monitoring: MAN classic axial turbocharger series superseded by the TCA generation.
MAN PrimeServ B2. Marine Engineering: After-sales service organization.
MAN PrimeServ PowerSensor X78. Voyage Optimization and Vessel Performance Software: A digital engine performance monitoring offering from MAN Energy Solutions used for diagnostics and optimization of two stroke and four stroke engines.
MAN PTO L21/31 X67. Marine Electrical Systems and Shore Power: Power take-off shaft generator arrangement from MAN derived from the L21/31 engine.
MAN SCR-HP X69. EGCS Scrubbers, SCR and Marine Air Emissions: High-pressure SCR variant for MAN engines positioned upstream of the turbine.
MAN SCR-LP X69. EGCS Scrubbers, SCR and Marine Air Emissions: Low-pressure SCR variant for MAN engines positioned downstream of the turbine.
MAN TCA Turbocharger X174. Marine Engine Maintenance, Overhaul, and Condition Monitoring: MAN Energy Solutions axial-flow turbocharger family for large two-stroke engines, with bearing renewal at 16,000 to 24,000 hours.
MAN TCR Turbocharger X174. Marine Engine Maintenance, Overhaul, and Condition Monitoring: MAN Energy Solutions radial-flow turbocharger family for medium-speed engines.
MAN V51/60DF X19. Engine Room Watchkeeping and UMS Operations: Dual fuel four stroke engine for power generation and propulsion.
Managed Security Service Provider X48. Maritime Cybersecurity: External provider that operates security functions such as monitoring and response for shipping companies.
Managed Service X68. Maritime Satcom and Telecommunications: Maritime connectivity offering in which the provider operates and supports the network on behalf of the shipowner.
Management of Change X40. Tanker Vetting, SIRE and VIQ: TMSA Element 10, covering how the operator manages changes to organization, equipment, and procedures.
Management of Change (MOC) X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA: The TMSA Element 7 procedure for assessing and controlling temporary or permanent changes.
Managing Agent X53. Marine Insurance, P&I and Hull Clauses: The Lloyd's entity authorized by the Corporation of Lloyd's to manage one or more syndicates and underwrite on behalf of members.
Manannan X132. High-Speed Craft, Hydrofoils and Ferry Operators: Incat 96 m wave-piercer of the Isle of Man Steam Packet Company, built 1998 as USS Joint Venture HSV-X1, acquired 2008.
Manatee Sanctuary D3. Marine environmental science, pollution and conservation: Protected areas safeguarding manatee populations.
Manchester Ship Canal Tugs X79. Tugs and Towage Industry: Specialist tugs deployed on the UK Manchester Ship Canal for restricted-water assistance.
Mandate X71. Shipbrokers and Brokerage Firms: Authority granted by a principal to a broker, sometimes exclusive.
Mandated Lead Arranger X49. Ship Finance, Leasing and Maritime Capital Markets: Bank holding the top role in syndicating a shipping loan.
Mandatory continuous survey X19. Engine Room Watchkeeping and UMS Operations: Class regime allowing engine items to be examined progressively.
Mandatory Expanded Inspection X66. Port State Control and Regional MOUs: Required for HRS, ships with overriding factors, or eligible ship types over 12 years old under Paris MOU.
Mandatory investigation (very serious marine casualty) X163. Marine Accident Investigation Agencies and Landmark Inquiries: Casualty Investigation Code requirement that a marine safety investigation be conducted into every very serious marine casualty.
Mandatory Prepayment X49. Ship Finance, Leasing and Maritime Capital Markets: Required loan prepayment triggered by sale, insurance recovery or covenant breach.
Maneuvering platform X19. Engine Room Watchkeeping and UMS Operations: Local engine control station with telegraph and lever controls.
Maneuvering Standard (MSC.137(76)) B1. Naval Architecture: IMO standard ship maneuverability criteria.
Maneuvering Trial X96. Hull Integrity Monitoring and Strain Gauges: Sea trial program assessing turning, course keeping, and stopping performance.
Mangalia Shipyard X58. Shipbuilding Yards and Construction: Damen-operated Romanian yard at Mangalia on the Black Sea.
Manganese Ore X1. Cargo Science, Commodities and Cargo Care: Heavy bulk; fines Group A.
Manganese phosphate X45. Marine Paints, Coatings and Antifouling: Surface treatment used on small components but not on hulls.
Mango carriage X26. Reefer Containers and Cold Chain Logistics: 12 to 13 C, 85 to 90% RH; chilling injury below 10 C; ethylene-sensitive.
Mango reefer carriage X70. Reefer Containers and Cold Chain Shipping: Tropical fruit transported at plus eight to plus 13 degrees Celsius depending on cultivar, often with hot water treatment prior to stowage.
Mangrove X10. Marine Biology, Fisheries and Oceanography: Salt-tolerant tree forming intertidal forests in the tropics and subtropics.
Mangrove Restoration D3. Marine environmental science, pollution and conservation: Replanting and rehabilitation of mangrove forests.
Mangusta X125. Superyacht Industry, Builders and Brokers: Sport open motoryacht brand of Overmarine Group, founded in Viareggio in 1985.
Manhattan Cruise Terminal X164. Cruise Industry, Brands, Ship Classes, and Terminals: The Hudson River piers at West 48th to 52nd Streets in Manhattan, operated by NYCEDC.
Manhole X19. Engine Room Watchkeeping and UMS Operations: Bolted access opening on tanks and pressure vessels for inspection.
Manhole Cover Inspection X5. Marine Surveying and Inspection: Examination of manhole covers, studs, and gaskets.
Manifest C3. Logistics, freight forwarding and multimodal trade: Cargo manifest filed with authorities.
Manifest Filing X86. Port Agency, Husbandry and Disbursement: Filing of cargo manifests with customs through the agent.
Manifest of Hazardous Wastes X28. Ship Recycling and End-of-Life: Tracking document for off-yard transport of asbestos, PCBs, and ODS.
Manifold X2. Marine Bunker Fuels, Lubricants and Bunkering Operations: Pipe assembly at the ship side where bunker hoses connect.
Manifold Block X63. Marine Auxiliary Machinery and Pumps: Forged or cast block containing multiple valves used in pump or hydraulic systems.
Manifold Connection X60. Marine Salvage and Wreck Removal: Hose hookup point on a tanker casualty for ship to ship cargo transfer.
Manifold Drip Tray X20. LNG Operations and Custody Transfer: See Drip Tray.
Manifold Interface Box (MIB) X110. LNG Bunkering Infrastructure and Vessels: Standardized bunker manifold arrangement used on LNG-fueled ships, incorporating ESD signaling, drip trays, and inerting connections.
Manifold Spool X20. LNG Operations and Custody Transfer: Removable spacer between ship and shore presentation flanges to align hard arm.
Manifold Survey X5. Marine Surveying and Inspection: Inspection of cargo manifold, drip trays, blanks, and reducers.
Manik Standard X52. Polar Code, Arctic and Antarctic Shipping: Common shorthand for sea ice terminology of the WMO Sea Ice Nomenclature.
Manila X3. Ship Handling, Seamanship and Deck Vocabulary: Natural fiber rope made from abaca.
Manila Adamson University Maritime Center X121. Maritime Education, Academies and Universities: Philippine maritime program.
Manila Amendments X21. STCW Certificates, Crewing and Seafarer Welfare: 2010 revisions to the STCW Convention and Code entering into force 1 January 2012.
Manila Amendments 2010 X102. Seafarer Welfare and Maritime Charities: Substantial revisions to the STCW Convention and Code adopted on 25 June 2010, in force 1 January 2012.
Manila Amendments 2022 X158. IMO Conventions, Protocols, Codes, and Resolutions: Limited STCW updates adopted in 2022 to clarify training, watchkeeping, and certification provisions.
Manila Bunker Anchorage X72. Bunkering Hubs and Bunker Suppliers: Bunker anchorage in Manila Bay served by Petron, Shell Pilipinas, and Eastern Petroleum.
Manila Galleon X39. Pre-1900 Maritime History: The Spanish trans-Pacific trade route between Manila and Acapulco, operated from 1565 to 1815.
Manila ICT X138. Global Container Terminal Operators and Port Equipment: Manila International Container Terminal, ICTSI's flagship Philippine facility handling 2.4 million TEU in 2023.
Manila Mariners' Polytechnic Colleges Foundation X121. Maritime Education, Academies and Universities: Philippine maritime college with CHED accreditation.
Manila rope X32. Marine Pilotage and Pilot Operations: Traditional fiber rope of 18 mm minimum diameter specified for pilot ladder side ropes under SOLAS V/23.
Manilla Rope X9. Cargo Securing, Lashing and Stability Vocabulary: Natural fibre rope; MSL = 0.33 x BL per CSS Annex 13.
Manipulator X65. ROVs, AUVs, USVs and Marine Robotics: Subsea robotic arm used for intervention tasks, classified by function count from grabber to seven-function spatially-correspondent designs.
Manitowoc 18000 X104. Project Cargo Forwarders and Heavy Transport: Crawler crane in the 700 tonne class widely used in US energy projects.
Manitowoc 31000 X104. Project Cargo Forwarders and Heavy Transport: Crawler crane rated 2,300 tonnes for very heavy refinery and nuclear lifts.
Manitowoc MLC650 X104. Project Cargo Forwarders and Heavy Transport: Crawler crane in the 650 tonne class with variable position counterweight.
Mann Lines X166. Inland Waterways, Ferries, RoRo, and Short Sea Shipping: The Estonian-British short sea RoRo operator running services between Cuxhaven, Harwich, Paldiski, and Turku.
Manned Watch X80. Maritime Search and Rescue Coordination: Continuous human watch on a designated distress frequency.
Mannheim X166. Inland Waterways, Ferries, RoRo, and Short Sea Shipping: The Rhine and Neckar confluence port, the largest German Rhine port by tonnage outside the Ruhr, and the site of the 1868 Mannheim Convention.
Mannheim Convention X33. Inland Navigation and Barge Operations: 1868 Revised Convention for Rhine Navigation governing freedom of navigation on the Rhine.
Mannin X132. High-Speed Craft, Hydrofoils and Ferry Operators: Smaller Incat catamaran operated by the Isle of Man Steam Packet Company before Manannan.
Manning X98. Ship Registries and Flag States: Number and qualifications of crew required to operate a ship safely, set by the flag administration.
Manning agency C2. Ship operations, crewing and technical management: Crewing company supplying personnel.
Manning Certificate X40. Tanker Vetting, SIRE and VIQ: The flag-state Minimum Safe Manning Document reviewed under VIQ Chapter 3.
Manning constant X15. Ports, Terminals and Stevedoring: hydraulic roughness coefficient used in channel design.
Manning level C2. Ship operations, crewing and technical management: Number of personnel on board.
Manning Survey X43. Marine Surveying and Warranty Surveying: A documentary and physical verification of crew composition, certification, and accommodation under MLC and STCW requirements.
Manning, USCGC (WMEC-919) X130. National Coast Guards and Cutter Fleets: Famous-class medium endurance cutter, homeported Portsmouth, Virginia.
Manoeuvring Simulation X54. Naval Architecture Software and IACS Rules: Time-domain ship maneuvering analysis performed in tools such as Aqwa and Orcaflex.
Manor Renewable Energy X59. Offshore Wind O&M, CTVs and SOVs: UK CTV and personnel supplier providing wind farm support across Europe.
Manor Solutions X42. Offshore Wind Installation and Cable Lay: Reference Korean offshore yard.
Manrope X3. Ship Handling, Seamanship and Deck Vocabulary: Steady rope at a gangway or ladder.
Manson Construction X124. Dredging Industry and Reclamation Contractors: Seattle-based US dredging contractor, second largest in US after GLDD.
Manta ray X10. Marine Biology, Fisheries and Oceanography: Large planktivorous batoid of the genus *Mobula* (formerly *Manta*).
MantaDigital VDR X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS: Kelvin Hughes Voyage Data Recorder compliant with the latest IMO performance standards.
Mantsinen X15. Ports, Terminals and Stevedoring: Finnish maker of hydraulic harbor cranes.
Mantsinen 200 X94. Port Machinery and Quay Equipment Makers: Hydraulic material handler with around 200 tonnes operating weight used for bulk and scrap handling in ports.
Manual DSC Distress X23. AIS, GMDSS, IALA Buoyage and Aids to Navigation: DSC distress alert initiated by pressing the red distress button for 5 seconds.
Manual Handling X59. Offshore Wind O&M, CTVs and SOVs: GWO BST module covering safe lifting and handling techniques for wind technicians.
Manual lubricator X61. Marine Lubricants and Cylinder Oils: Operator-actuated grease gun or oil can used for routine point lubrication of deck and engine room machinery.
Manual Sounding X5. Marine Surveying and Inspection: Tape based liquid measurement when remote gauging is unavailable.
Manual twistlock X76. Stevedoring, Lashing and Cargo Securing: Twistlock locked and unlocked entirely by manual handle operation.
Manufacture X75. IMDG Code, Classes, Packing and Segregation: Stage at which UN packagings are built and stamped with required marks.
Manufacturer's Material Declaration (MD) X50. Ship Recycling, Demolition and Hong Kong Convention: The statement issued by equipment makers identifying regulated materials in supplied items, feeding IHM Part I compilation.
Manx Ship Registry X98. Ship Registries and Flag States: Operating name of the Isle of Man Ship Registry within the Department of Infrastructure.
Manyara X124. Dredging Industry and Reclamation Contractors: Boskalis TSHD of 12,400 m3 hopper.
MAP X136. Reefer Vessels and Cool Chain Operators: Modified Atmosphere Packaging, a passive technique where the package atmosphere is set at filling and stabilizes during reefer transport, distinct from active CA.
Map Projection X73. Marine Hydrography, Charting and ENC: The mathematical transformation from the geoid to a flat surface; Mercator is dominant on paper charts.
Mapfre Re X117. Marine Insurance Markets, Captives and Reinsurance: Spanish reinsurer, the reinsurance arm of Mapfre, with a marine portfolio in Europe and Latin America.
MapInfo Discover X129. Hydrographic Offices, Survey Vessels and Marine Cartography: GIS tool occasionally used by hydrographic offices for thematic chart compilation.
Maples Group X157. Marine Loss Adjusters, GA Practice, and Casualty Firms: Offshore legal services group based in the Cayman Islands handling vessel finance, mortgages, and offshore corporate counsel.
MapMedia X73. Marine Hydrography, Charting and ENC: A French ENC and chart format producer associated with TimeZero navigation software.
MAPOL plan X19. Engine Room Watchkeeping and UMS Operations: Common shorthand for the SOPEP and shipboard marine pollution emergency plan.
MAR X98. Ship Registries and Flag States: Common abbreviation for the Madeira International Shipping Register.
MAR Sec USCG NVIC 01-20 X148. Maritime Cybersecurity, IACS Cyber Rules, and Incidents: See NVIC 01-20.
MARAD X29. Ship Sale and Purchase, Management Contracts and Valuation: US Maritime Administration, oversees Title XI loan guarantees.
MARAD Vessel Disposal X118. Ship Recycling Yards, Beaches and Regulation: US Maritime Administration program for disposal of obsolete government vessels, primarily routed through Brownsville recyclers.
Maran Gas Maritime X56. LNG/LPG Carriers and IGC Code: Greek LNG shipping company part of the Angelicoussis Group, operating a large fleet of LNG carriers.
Maran Gas Pericles X134. LNG and LPG Carrier Operators and Containment Systems: LNG carrier of 173,400 m3 delivered 2016 by Daewoo Shipbuilding for Maran Gas with MEGI.
Maran Gas Roxana X134. LNG and LPG Carrier Operators and Containment Systems: LNG carrier of 174,000 m3 delivered 2018 by Daewoo for Maran Gas Maritime.
MarAsia Arbitration X114. Maritime Arbitration and Shipping Law Firms: Reference to Asian maritime arbitration ecosystem.
Marathon X45. Marine Paints, Coatings and Antifouling: Hempel antifouling product family using CDP technology for trading vessels.
Marbase X78. Voyage Optimization and Vessel Performance Software: A fleet management software vendor offering technical management, procurement, and crewing applications.
Marblehead X39. Pre-1900 Maritime History: Massachusetts fishing and privateering port, source of many Continental Navy seamen.
Marc Brunel X39. Pre-1900 Maritime History: French-born British engineer who designed block-making machinery installed at Portsmouth Dockyard from 1803.
Marc Newson X125. Superyacht Industry, Builders and Brokers: Australian industrial designer who designed the interior of Aquariva and the catamaran Wallypower 118.
MARC welding wire B4. Shipbuilding, Materials, Sea Trials, Retrofits and Recycling: Common GMAW wire used in yards.
Marcello X124. Dredging Industry and Reclamation Contractors: Italian dredger fleet name.
Marco Polo X124. Dredging Industry and Reclamation Contractors: DEME TSHD of 16,750 m3 hopper.
Marco Polo Programme X166. Inland Waterways, Ferries, RoRo, and Short Sea Shipping: The EU programme (2003 to 2013) that subsidized modal-shift from road to short sea and rail, replaced by the CEF transport calls and Motorways of the Sea.
MARDEP (Hong Kong Marine Department) X163. Marine Accident Investigation Agencies and Landmark Inquiries: Hong Kong government department under which the Marine Accident Investigation Section sits.
Mardi Gras X24. Cruise, Passenger Ship and Ferry Operations: Carnival Excel class lead ship, delivered 2020, 184,089 GT.
Mare Forum X119. Maritime Conferences, Trade Shows and Awards: Annual Athens, Amsterdam, and Hamburg conference series founded 1999, focusing on shipowner strategy.
Mare Forum Houston X119. Maritime Conferences, Trade Shows and Awards: US edition of the Mare Forum series held since 2008.
Mare Forum Seafarers' Welfare Session X102. Seafarer Welfare and Maritime Charities: Periodic industry session on welfare issues hosted within the Mare Forum shipping conferences.
MAREA X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines: 6,600 km transatlantic submarine cable from Virginia Beach to Bilbao, owned by Microsoft, Meta, and Telxius, in service since 2018.
Marechaussee X130. National Coast Guards and Cutter Fleets: See Royal Marechaussee Maritime.
MAREL Network D2. Hydrography, tides, waves, bathymetry and marine geology: Operational French coastal observation network.
Marella Cruises X24. Cruise, Passenger Ship and Ferry Operations: TUI Group UK cruise brand, formerly Thomson Cruises.
Marella Discovery X64. Cruise Industry Operators, Brands and Ships: Marella Cruises ship operated since 2016.
Marella Discovery 2 X64. Cruise Industry Operators, Brands and Ships: Marella Cruises ship operated since 2017.
Marella Explorer X64. Cruise Industry Operators, Brands and Ships: Marella Cruises ship operated since 2018.
Marella Explorer 2 X64. Cruise Industry Operators, Brands and Ships: Marella Cruises ship operated since 2018.
MARES X65. ROVs, AUVs, USVs and Marine Robotics: Modular Autonomous Robot for Environmental Sampling AUV from OceanScan of Portugal.
Mareva Compania Naviera SA v International Bulkcarriers SA [1975] 2 Lloyd's Rep 509 X143. Landmark Maritime Law Cases and Doctrines: English Court of Appeal recognised the freezing injunction.
Mareva Injunction X29. Ship Sale and Purchase, Management Contracts and Valuation: English asset freezing order, sometimes used in ship disputes.
Marex Spectron X161. Shipbroking, Freight Derivatives, and Baltic Indices: London-based commodities broker with a freight derivatives desk active in cleared dry and wet FFAs.
Marfin Investment Group X49. Ship Finance, Leasing and Maritime Capital Markets: Greek investment group historically active in maritime equity investments.
Marflex X93. IBC Code and Chemical Tanker Operations: Netherlands-based manufacturer of hydraulically driven submerged cargo pumps for chemical and product tankers.
Marghera X58. Shipbuilding Yards and Construction: Fincantieri's shipyard at Venice, building large cruise ships.
Marghera Shipyard X113. Drydock and Ship Repair Yards: Fincantieri shipyard at Venice Marghera, Italy, producing large cruise ships.
Margin Call X161. Shipbroking, Freight Derivatives, and Baltic Indices: Demand from a clearing house or counterparty for additional collateral following adverse mark-to-market movement on an FFA position.
Margin line B1. Naval Architecture: Reference line 76 mm below bulkhead deck for floodable length.