Glossary

Maritime glossary, terms beginning with N (page 3)

All maritime glossary terms that begin with the letter N, drawn from every subject section. 1500 entries.

Showing 250 of 1500 terms (page 3 of 6).

NERC X133. Polar Research Vessels and Polar Code Regimes: Natural Environment Research Council, UK funder of BAS and Sir David Attenborough.
NERIDES X124. Dredging Industry and Reclamation Contractors: ERDC dredging research programme.
Neritic zone X10. Marine Biology, Fisheries and Oceanography: Coastal pelagic zone over the continental shelf.
Nessus X107. Maritime Cybersecurity and OT Security: Vulnerability scanner from Tenable.
Neste Marine X72. Bunkering Hubs and Bunker Suppliers: Finnish refiner supplying bunkers including renewable marine fuels at Helsinki, Porvoo, and Naantali.
Nested cutting X58. Shipbuilding Yards and Construction: Optimization arranging plate parts to maximize sheet utilization.
Net Asset Value X49. Ship Finance, Leasing and Maritime Capital Markets: Fair market value of fleet less net debt, used to value shipping equities.
Net berth productivity X15. Ports, Terminals and Stevedoring: moves per working hour excluding shifts and breaks.
Net calorific value X19. Engine Room Watchkeeping and UMS Operations: Lower heating value of fuel, used for engine performance calculations.
Net Charter Rate X104. Project Cargo Forwarders and Heavy Transport: Vessel hire rate after deduction of agreed commissions and rebates.
Net Drum X87. Fishing Vessels and Fisheries Management: Hydraulic drum at the stern of a trawler used to store and shoot the trawl net.
Net Earnings X44. Shipping Indices, FFAs and Freight Markets: Daily earnings figure after deducting voyage costs, equivalent in concept to Time Charter Equivalent.
Net Explosive Mass (NEM) X172. IMDG Code: Classes, Divisions, Segregation, and Key UN Numbers: The total mass of the explosive substance without packaging, used for Class 1 stowage and segregation calculations.
Net Explosive Quantity X75. IMDG Code, Classes, Packing and Segregation: NEQ, mass of explosive substance in a Class 1 article or package, used for stowage and segregation calculations.
Net freight X71. Shipbrokers and Brokerage Firms: Freight after deduction of address and brokerage commissions.
Net Heat Flux D1. Physical and chemical oceanography and marine meteorology: Sum of shortwave, longwave, sensible, and latent heat fluxes at the sea surface.
Net LDT X50. Ship Recycling, Demolition and Hong Kong Convention: The LDT remaining after deductions for non-recoverable items, used in commercial demolition pricing.
Net Loss Reinsurance X53. Marine Insurance, P&I and Hull Clauses: Reinsurance responding to the reinsured's loss net of all other recoveries.
Net mass X6. Container, Intermodal and Trade Codes: Mass of cargo excluding container tare and packaging.
Net Positive Suction Head X63. Marine Auxiliary Machinery and Pumps: Pressure available at pump suction above the vapor pressure of the fluid, critical for cavitation prevention.
Net Primary Production (NPP) X10. Marine Biology, Fisheries and Oceanography: Rate of photosynthetic carbon fixation minus respiration by primary producers.
Net production X124. Dredging Industry and Reclamation Contractors: Cubic meters of in-situ material moved per hour, the standard dredging KPI.
Net Promoter Score (Catering) X120. Marine Catering, Provisions and Ship Chandlers: Crew satisfaction metric increasingly used by managed catering providers.
Net Quantity per Package X75. IMDG Code, Classes, Packing and Segregation: Maximum amount per inner or outer packaging per IMDG 3.4 and column 7a of the Dangerous Goods List.
Net Register Tonnage X39. Pre-1900 Maritime History: Volumetric measure of a merchant ship's earning space, defined by deduction from gross under the Moorsom system.
Net registered tonnage X15. Ports, Terminals and Stevedoring: NRT, vessel earning capacity measure.
Net Retained Lines Clause X117. Marine Insurance Markets, Captives and Reinsurance: A reinsurance clause confining cover to risks net of other reinsurance.
Net Scantling Approach X54. Naval Architecture Software and IACS Rules: CSR-BC+OT design philosophy requiring assessment with corrosion margins deducted.
Net Scantlings X142. Classification Societies and Class Notations: Structural dimensions measured after deducting corrosion additions.
Net Securing Force X9. Cargo Securing, Lashing and Stability Vocabulary: Sum of friction force plus securing component force, compared with external force in balance-of-forces method.
Net Sonar X87. Fishing Vessels and Fisheries Management: Acoustic system providing live information on trawl geometry and fish entry into the cod end.
Net Standard Volume X115. Marine Bunker and Cargo Surveying: Volume of cargo corrected to 15 degrees C excluding free water and sediment, the basis for custody-transfer calculations.
Net Standard Volume (NSV) X5. Marine Surveying and Inspection: Petroleum volume at 15 C excluding sediment and water.
Net throughput X15. Ports, Terminals and Stevedoring: cargo handled excluding restow and shifting moves.
Net tonnage X6. Container, Intermodal and Trade Codes: Vessel measurement representing earning capacity.
Net tonnage (NT) B1. Naval Architecture: Volumetric earning-capacity tonnage per ITC 1969.
Net Tonnage Tax X86. Port Agency, Husbandry and Disbursement: Tonnage based dues calculated on net tonnage of the vessel.
Net weight C3. Logistics, freight forwarding and multimodal trade: Weight of cargo excluding packaging.
Net Zero D6. Decarbonization, emissions and alternative fuels: State where anthropogenic GHG emissions are balanced by removals.
Net zero industry act X57. Ocean Energy Beyond Wind: European Union regulation that includes strategic technologies relevant to ocean energy and CCS.
Net-Centric Warfare E2. Naval, defence and maritime law enforcement: Doctrine of networked combat power.
Net-Zero Ambition X112. IMO GHG Strategy, CII, EEXI and EU Maritime Regulation: Fourth level of ambition of the 2023 Revised IMO GHG Strategy targeting net-zero GHG emissions by or around 2050.
Net-zero by or around 2050 X34. Decarbonization, Alternative Fuels and Carbon Pricing: Long-term goal in IMO Resolution MEPC.377(80).
Net-Zero Framework A3. Marine environmental legislation: MARPOL and its annexes: Mid-term GHG measures under MARPOL Annex VI Chapter 5, including GFI and IMO Net-Zero Fund.
Net-Zero Framework (NZF) X34. Decarbonization, Alternative Fuels and Carbon Pricing: IMO basket of measures adopted at MEPC 83 in April 2025 combining a GHG fuel standard and an economic element.
Net-zero Pathway X69. EGCS Scrubbers, SCR and Marine Air Emissions: Concept embedded in the 2023 IMO Revised GHG Strategy.
NetCDF D5. Coastal processes, sea-level, cryosphere and ocean observation science: Common data format used for ocean and atmospheric datasets.
Netherlands Antilles Ship Registry X98. Ship Registries and Flag States: Former registry succeeded after dissolution of the Netherlands Antilles in 2010.
Netherlands PSC X66. Port State Control and Regional MOUs: Paris MOU member State; hosts the Paris MOU Secretariat in The Hague.
NETL X149. Marine Fuels, Bunkering, and Alternative Fuels: The US National Energy Technology Laboratory, occasionally cited in marine fuel lifecycle GHG references.
NETs (Negative Emissions Technologies) D6. Decarbonization, emissions and alternative fuels: Technologies removing CO2 from the atmosphere.
NetUpdater X122. Submarine Cable Laying, Repair Vessels and Operators: SubCom cable ship, 113 m LOA, ex-USNS Zeus support cable layer, operating from Newington and Baltimore.
Network Address Translation X48. Maritime Cybersecurity: Function that maps internal addresses to external ones, common in satcom routers.
Network Agency X86. Port Agency, Husbandry and Disbursement: Agency offered by a global network rather than an independent firm.
Network Innovations X68. Maritime Satcom and Telecommunications: Maritime and remote site satellite integrator with operations in multiple regions.
Network Latency Test X109. Maritime Autonomous Surface Ships and MASS Code: A pre trial procedure that measures end to end delay on the ship to shore link.
Network operations center X59. Offshore Wind O&M, CTVs and SOVs: Onshore facility monitoring turbine SCADA, condition data, and vessel positions for a wind farm portfolio.
Network Rail Cable Conflict X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines: UK example of subsea telecom cables intersecting Channel Tunnel rail conduits.
Network Segmentation X25. Maritime Cybersecurity, OT and IT: Division of a network into zones with controlled inter-zone communication.
Network Shipping X136. Reefer Vessels and Cool Chain Operators: Reefer carrier owned by Fresh Del Monte Produce, operating refrigerated container ships chartered into its global produce network.
Network Tap X25. Maritime Cybersecurity, OT and IT: Passive device for mirroring traffic to a monitoring tool without affecting the link.
Network Time Protocol X48. Maritime Cybersecurity: Protocol used to synchronize clocks, important for log correlation and certificate validity.
Network Time Protocol Hardening E3. Technology, digitalization and smart shipping: Cyber-relevant time synchronization control.
Neumayer III X133. Polar Research Vessels and Polar Code Regimes: AWI year-round Antarctic station on Ekstrom Ice Shelf, opened 2009.
Neutral axis X162. Naval Architecture, Stability, Resistance, and Structural Design: Horizontal axis through the centroid of the hull cross section about which longitudinal bending stresses change sign.
Neutral grounding resistor X19. Engine Room Watchkeeping and UMS Operations: NGR limiting earth fault current on HV systems.
Neutral Grounding Transformer X67. Marine Electrical Systems and Shore Power: Distribution transformer used to derive a high-impedance neutral on marine HV systems.
Neutrality (Law) E2. Naval, defence and maritime law enforcement: Status of non-belligerent state in armed conflict.
Neutrality of seat X152. Maritime Arbitration and Dispute Resolution: Selection of a third country seat for cross-border disputes, e.g., Singapore for India-China contracts or Hong Kong for European-Asian contracts.
Neutralization reserve X61. Marine Lubricants and Cylinder Oils: Capacity of an oil to neutralize residual acidic combustion products, measured as Base Number.
Neutralization Tank X69. EGCS Scrubbers, SCR and Marine Air Emissions: Closed-loop scrubber tank where acidic washwater is neutralized before further treatment.
NEVA X119. Maritime Conferences, Trade Shows and Awards: Biennial Saint Petersburg international maritime exhibition, founded 1990, hosted by Transtec Neva.
New Bedford X39. Pre-1900 Maritime History: Massachusetts whaling port that surpassed Nantucket as the leading American whaling base by the 1820s.
New Bedford Harbor X124. Dredging Industry and Reclamation Contractors: PCB-contaminated sediment dredging supervised by US EPA.
New Bedford Whaling F1. Maritime History: Massachusetts whaling industry of the nineteenth century.
New broker X71. Shipbrokers and Brokerage Firms: Broker newly mandated mid-negotiation, sometimes by an alternative principal.
New Building Delivery Agent X86. Port Agency, Husbandry and Disbursement: Agent for vessels being delivered from shipyards.
New Construction X75. IMDG Code, Classes, Packing and Segregation: Vessel built after a given SOLAS reference date, subject to stricter dangerous goods structural fire protection.
New Construction Survey X5. Marine Surveying and Inspection: Class attendance during newbuild from steel cutting to delivery.
New Cumberland Locks and Dam X103. US Inland Waterway Towing and Barge: An Ohio River navigation structure in West Virginia.
New Edition X73. Marine Hydrography, Charting and ENC: A complete reissue of an ENC cell, identified by the EDTN field, requiring base cell replacement.
New Ice X52. Polar Code, Arctic and Antarctic Shipping: WMO general term for recently formed ice, including frazil, grease, slush, and shuga.
New Inspection Regime X7. Flag State, Port State Control and Detention Vocabulary: NIR, risk-based Paris MoU PSC system in force since 2011, replacing the 25 percent inspection commitment.
New Inspection Regime (NIR) A7. Compliance, certification and enforcement: Paris MoU risk-based inspection scheme since 2011.
New Jason Clause C1. Commercial shipping, chartering, economics and finance: Charter clause preserving general average rights in jurisdictions like the United States.
New Jersey Sandy Hook Pilots X159. Marine Pilotage, Pilot Districts, and Pilots' Associations: New Jersey-licensed component of the Sandy Hook Pilots Association handling vessels for Port Newark and Elizabeth.
New London X59. Offshore Wind O&M, CTVs and SOVs: Connecticut port developing O&M infrastructure for southern New England offshore wind farms.
New Orleans X149. Marine Fuels, Bunkering, and Alternative Fuels: A US Gulf bunker market on the Mississippi River.
New Orleans District X103. US Inland Waterway Towing and Barge: The US Army Corps of Engineers district responsible for the lowermost Mississippi River and adjacent GIWW.
New Orleans-Baton Rouge Steamship Pilots X32. Marine Pilotage and Pilot Operations: NOBRA, Louisiana state pilots covering the river between New Orleans and Baton Rouge.
New Ship (Annex I Reg 1) X171. MARPOL 73/78: Annex-by-Annex Detailed Glossary: A ship for which the building contract is placed on or after a specific MARPOL trigger date such as 31 December 1979 for original Annex I and 6 July 1993 for double hull requirements.
New ship (EEDI) X34. Decarbonization, Alternative Fuels and Carbon Pricing: Ship with a building contract on or after 1 January 2013, or other defined milestones.
New Suez Canal X124. Dredging Industry and Reclamation Contractors: Suez Canal Authority 2014-2015 35 km parallel channel and deepening, executed by Jan De Nul, Van Oord, DEME and Boskalis in 11 months.
New Times Shipbuilding X58. Shipbuilding Yards and Construction: Chinese private shipbuilder at Jingjiang, Jiangsu, building bulk carriers and tankers.
New York as seat X152. Maritime Arbitration and Dispute Resolution: Dominant US seat for maritime arbitration, governed by FAA and most often under SMA Rules.
New York Convention 1958 X51. Maritime Arbitration, Law and BIMCO Clauses: The Convention on the Recognition and Enforcement of Foreign Arbitral Awards.
New York Harbor X116. Global Bunker Anchorages, Hubs and Supply Infrastructure: US east coast bunker port with anchorages at Stapleton and Gravesend Bay, supplied by Sprague Resources, Buckeye, and Bouchard before Bouchard's 2020 Chapter 11.
New York Harbor Bunker X72. Bunkering Hubs and Bunker Suppliers: Bunker supply in New York and New Jersey harbor by Vane Brothers, Sprague Energy, Hess, and Bayway derived grades.
New York Maritime Arbitration X114. Maritime Arbitration and Shipping Law Firms: SMA-administered arbitration under the Society of Maritime Arbitrators Rules.
New York Yacht Club F4. Recreational Boating, Yachting and Sport: Founded 1844, holder of the America's Cup until 1983.
New Zealand Hydrographic Authority X73. Marine Hydrography, Charting and ENC: NZHA, the authority within LINZ producing NZ-prefix charts.
New Zealand Kiwi Trade X136. Reefer Vessels and Cool Chain Operators: Tauranga and Auckland reefer container exports of Zespri kiwifruit to Europe, North America, and Asia.
New Zealand Maritime School X160. Maritime Academies, Universities, and STCW Certification: Auckland based school within Te Pukenga (formerly Manukau Institute of Technology) delivering New Zealand Maritime Transport Operator Certificate (MTOC) and STCW programs.
New Zealand Pilots X159. Marine Pilotage, Pilot Districts, and Pilots' Associations: Pilots licensed under the New Zealand Maritime Transport Act 1994 and Maritime Rule Part 90 to serve ports including Auckland, Tauranga, Wellington, Lyttelton, and Otago.
New Zealand PSC X66. Port State Control and Regional MOUs: Tokyo MOU member; PSC conducted by Maritime New Zealand.
New Zealand Seafarers Welfare Board X102. Seafarer Welfare and Maritime Charities: Coordinating body for seafarer welfare provision in New Zealand ports.
New Zealand Ship Register X98. Ship Registries and Flag States: National registry administered by Maritime New Zealand.
New Zealand Transport Accident Investigation Commission (TAIC) X163. Marine Accident Investigation Agencies and Landmark Inquiries: Independent New Zealand Crown entity established under the Transport Accident Investigation Commission Act 1990 whose marine investigators handle New Zealand-flag and coastal casualties.
New-Build Container X83. ISO Container Manufacturing and Leasing: Newly manufactured container being delivered from plant for first deployment.
Newbuild contract X58. Shipbuilding Yards and Construction: Shipbuilding contract between yard and owner specifying technical and commercial terms.
Newbuild LNG Carrier Size X110. LNG Bunkering Infrastructure and Vessels: Modern conventional LNG carrier newbuilds are typically in the 174,000 to 180,000 m3 cargo capacity range.
NEWBUILDCON C1. Commercial shipping, chartering, economics and finance: BIMCO standard shipbuilding contract.
Newbuilding broker X71. Shipbrokers and Brokerage Firms: Broker specializing in shipyard contracts for new vessels.
Newbuilding contract X71. Shipbrokers and Brokerage Firms: Construction contract typically modelled on SAJ, NEWBUILDCON, or AWES forms.
Newbuilding Order X161. Shipbroking, Freight Derivatives, and Baltic Indices: Contract between buyer and shipyard for the construction and delivery of a vessel on terms drawn from SAJ, AWES, NEWBUILDCON, or bespoke forms.
Newbuilding Refund Guarantee X49. Ship Finance, Leasing and Maritime Capital Markets: Bank guarantee securing return of yard installments if the builder defaults.
Newbuilding Supervision X49. Ship Finance, Leasing and Maritime Capital Markets: Owner appointed monitoring of construction, required by lenders under a newbuild loan.
Newbuilding Survey X8. IACS, Class Rules and Class Notations: surveys during construction culminating in delivery and assignment of class.
Newcastle X85. Ferries, Ro-Pax Operators and Routes: English Tyne port hosting DFDS Seaways services to IJmuiden.
Newcastle Coal Trade F1. Maritime History: Coastwise English coal traffic from Tyneside, including the cat-bark type.
Newcastle University School of Engineering Marine Track X121. Maritime Education, Academies and Universities: Tyneside marine engineering BEng/MEng with strong RINA accreditation.
Newcastle University School of Engineering Marine, Offshore and Subsea X160. Maritime Academies, Universities, and STCW Certification: Newcastle upon Tyne research and teaching unit in naval architecture, marine engineering, and subsea systems.
Newcastlemax B5. Ship Types and Individual Vessels: Largest Capesize able to enter Newcastle (NSW) port.
NewCold X70. Reefer Containers and Cold Chain Shipping: Netherlands-headquartered automated cold storage operator with facilities serving European and North American reefer logistics.
Newcomer Captive X117. Marine Insurance Markets, Captives and Reinsurance: A first-time captive owner setting up a vehicle, often in Vermont, Bermuda or Cayman.
Newcruise Yacht Projects & Design X35. Yacht and Superyacht Industry: German yacht design studio in Hamburg.
Newfoundland Cod Moratorium X131. Commercial Fisheries, Trawler Fleets and Seafood Processors: July 2 1992 closure of the Northern Cod fishery.
Newfoundland Inshore Cod Fishery Moratorium X87. Fishing Vessels and Fisheries Management: Canadian closure declared in 1992 for northern cod, partially relaxed in subsequent years.
Newfoundland Salvage Co X167. Major Salvage Companies, Wreck Removals, and Equipment: Historic Canadian Atlantic salvage operator.
Newhaven X85. Ferries, Ro-Pax Operators and Routes: English Sussex port hosting DFDS Seaways services to Dieppe via Transmanche Ferries.
Newhaven-Pourville Cable Landing X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines: Cross-channel landing pair on the English Channel route.
Newington X122. Submarine Cable Laying, Repair Vessels and Operators: SubCom headquarters and cable plant at Newington, New Hampshire, producing repeaters, BUs and cable since 1955.
Newman Sharma Approximation X54. Naval Architecture Software and IACS Rules: Method for computing mean second order drift forces in WADAM and WAMIT.
Newman-Tuck slender body theory B1. Naval Architecture: Slender-ship theory for wave-making and motions.
Newman's nomenclature (radar) B3. Nautical Science: Plotting nomenclature O, T, M.
NEWNESS X73. Marine Hydrography, Charting and ENC: ENC attribute encoding the temporal newness of a feature in some S-57 contexts.
NewPanamax/Neopanamax B5. Ship Types and Individual Vessels: Vessels fitting expanded Panama Canal locks.
Newport X84. Yacht Racing, Regattas and Sailing Governance: Rhode Island port that hosted America's Cup matches from 1930 to 1983 and is the start of the Newport Bermuda Race.
Newport Bermuda Race F4. Recreational Boating, Yachting and Sport: Biennial 635-mile offshore race since 1906.
Newport Charter Yacht Show X125. Superyacht Industry, Builders and Brokers: June trade show in Newport, Rhode Island.
Newport International Boat Show X35. Yacht and Superyacht Industry: Annual September show in Newport, Rhode Island.
Newport News Bunker Service X72. Bunkering Hubs and Bunker Suppliers: Bunker supply at Hampton Roads by Vane Brothers and Hess.
Newport News Shipbuilding X58. Shipbuilding Yards and Construction: Huntington Ingalls yard at Newport News, Virginia, builder of US Navy aircraft carriers and submarines.
Newport News Shipbuilding Archive F2. Maritime Culture, Heritage, Archaeology, Art and Museums: Industrial heritage collections.
Newport Tank X83. ISO Container Manufacturing and Leasing: Newport Tank Containers, a US-headquartered operator of ISO tank containers for chemicals.
Newsprint Reels X1. Cargo Science, Commodities and Cargo Care: Sensitive to moisture; carried on flats with chocking.
Newtec Dialog X68. Maritime Satcom and Telecommunications: Multiservice VSAT platform from ST Engineering iDirect used in maritime networks.
Newton Equipment seal X38. Propellers, Stern Gear and Shaft Lines: Generic example, omit if not class-recognized. (Replace with verified maker if known.)
Newton Subsea Gripper X65. ROVs, AUVs, USVs and Marine Robotics: Two-function gripper from BlueRobotics designed for the BlueROV2.
Newton-Rader propeller series X162. Naval Architecture, Stability, Resistance, and Structural Design: Three-bladed high-speed propeller series for planing craft tested by R N Newton and W A Rader in 1961.
Newton-Raphson Iteration X54. Naval Architecture Software and IACS Rules: Nonlinear solution scheme used in Abaqus Standard and Ansys Mechanical.
Newtsuit X82. Saturation Diving and Offshore Diving Operations: Atmospheric diving suit by Hard Suits Inc.
NewWaves X57. Ocean Energy Beyond Wind: Generic placeholder for European wave energy consortium reporting and roadmap activity.
NEXANS X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines: French cable manufacturer producing HVDC and HVAC submarine power cables at its Halden facility in Norway.
Nexans Aurora X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines: Cable-lay vessel of Nexans commissioned in 2021, with 10,000 t turntable capacity.
Nexans Skagerrak X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines: Older Nexans cable installation vessel based in Norway.
NEXI X49. Ship Finance, Leasing and Maritime Capital Markets: Nippon Export and Investment Insurance, the Japanese export credit insurer.
NFE FSRU X81. Project Cargo, Heavy-Lift and Module Carriers: New Fortress Energy FSRU.
NFPA X75. IMDG Code, Classes, Packing and Segregation: National Fire Protection Association, US standards body whose 704 diamond is not equivalent to IMDG labeling.
NFPA 59A X20. LNG Operations and Custody Transfer: Standard for the Production, Storage, and Handling of LNG (US).
NGL Marine X79. Tugs and Towage Industry: Naval architecture firm associated with US-built workboat and tug projects.
NGO Consultative Status A1. The IMO and the international regulatory framework: Status granted by IMO Council to international non-governmental organizations.
NGO observer X15. Ports, Terminals and Stevedoring: pollution monitoring presence at certain ports.
NGO Shipbreaking Platform X28. Ship Recycling and End-of-Life: Brussels-based coalition advocating against beaching and for HKC and Basel compliance.
NH3 X111. Methanol, Ammonia and Alternative Marine Fuels: Chemical formula for ammonia used as a zero-carbon marine fuel.
NH3 (Ammonia) X34. Decarbonization, Alternative Fuels and Carbon Pricing: Carbon-free fuel with toxicity and N2O concerns.
NH3 Slip X69. EGCS Scrubbers, SCR and Marine Air Emissions: Synonym for ammonia slip from SCR systems.
NH90 Caiman X31. Helicopter Operations on Ships: French Navy designation for NH90 helicopter in SAR and ASW roles.
NH90 NFH X11. Naval Vessels, Warship Systems and Naval Architecture: NATO Frigate Helicopter variant for ASW/ASuW.
NHL Stenden Maritime Institute Willem Barentsz X121. Maritime Education, Academies and Universities: See Maritime Institute Willem Barentsz.
NHS X73. Marine Hydrography, Charting and ENC: Norwegian Hydrographic Service, the operational name within Kartverket.
NHS Stavanger X129. Hydrographic Offices, Survey Vessels and Marine Cartography: Norwegian Hydrographic Service headquarters at Lervigsveien 36, Stavanger, part of the Norwegian Mapping Authority Kartverket.
NHV Group X31. Helicopter Operations on Ships: Belgian-based offshore helicopter operator serving North Sea and West Africa.
Niagara (US Brig) X128. Sail Training Ships and Tall Ship Associations: 1988 American reconstruction of Oliver Hazard Perry's 1813 War of 1812 brig, 60 m sparred length, flagship of Pennsylvania, operates Great Lakes sail training.
NIC X52. Polar Code, Arctic and Antarctic Shipping: Acronym for the US National Ice Center.
NIC ice analysis X27. Polar Code, Ice Navigation and Polar Operations: Operational NIC product showing total concentration and stage of development.
Nicaragua v Colombia 2012 A6. Public international law of the sea: ICJ judgment on maritime delimitation in the Caribbean.
Niche area X18. Ballast Water, Biofouling and Antifouling: Ship area more susceptible to biofouling such as sea chests, bow thrusters, rudder hinges, propeller shafts, and stabilizer fins.
Niche area coating X45. Marine Paints, Coatings and Antifouling: Robust antifouling or foul-release coating used in propeller tunnels, rudders, and sea chests.
Nicholas H, The (Marc Rich and Co AG v Bishop Rock Marine Co Ltd) [1996] AC 211 X143. Landmark Maritime Law Cases and Doctrines: House of Lords held that a classification society owed no duty of care to cargo interests for negligent survey.
Nick Sloane X167. Major Salvage Companies, Wreck Removals, and Equipment: South African master mariner appointed salvage master for the Costa Concordia parbuckling on behalf of Titan-Micoperi.
Nickajack Lock X103. US Inland Waterway Towing and Barge: A Tennessee Valley Authority lock on the Tennessee River in Tennessee.
Nickel X47. Marine Fuel Quality and ISO 8217: Trace metal in residual fuel, generally non-corrosive but indicative of crude origin and significant for SCR catalyst poisoning.
Nickel 200 X100. Marine Cathodic Protection and Anodes: Commercially pure nickel with potential near -0.25 V vs Ag/AgCl, occasionally found in seawater service.
Nickel Alloy Tank X93. IBC Code and Chemical Tanker Operations: Cargo containment material listed under IBC Code Chapter 6 for cargoes incompatible with stainless steel.
Nickel Carbonyl X75. IMDG Code, Classes, Packing and Segregation: UN 1259, Class 6.1 with Class 3 subsidiary risk, Packing Group I.
Nickel Content X115. Marine Bunker and Cargo Surveying: Nickel concentration in residual fuels determined per ISO 14597, with implications for high-temperature corrosion.
Nickel Ore X1. Cargo Science, Commodities and Cargo Care: Group A IMSBC, infamous for liquefaction casualties.
Nickel Steel 3.5 Percent X92. Marine Steel Suppliers and Shipbuilding Plate: Low temperature structural steel used for LPG and ethylene cargo containment at intermediate cryogenic temperatures.
Nickel Steel 9 Percent X92. Marine Steel Suppliers and Shipbuilding Plate: Cryogenic structural steel used for LNG type A and type B prismatic and spherical tanks at minus 163 degrees Celsius.
Nicolas Industrie X104. Project Cargo Forwarders and Heavy Transport: French manufacturer of heavy modular trailers and the Tractomas heavy hauler.
Nicolas Tractomas TR10 X104. Project Cargo Forwarders and Heavy Transport: Heavy haul tractor unit built by Nicolas Industrie for very high tow forces.
Nicotine Compounds Solid NOS X75. IMDG Code, Classes, Packing and Segregation: UN 1655, Class 6.1.
Nieuw Amsterdam X64. Cruise Industry Operators, Brands and Ships: Holland America Line Signature-class ship delivered in 2010.
Nieuw Statendam X64. Cruise Industry Operators, Brands and Ships: Holland America Line Pinnacle-class ship delivered in 2018.
Nigel Gee X59. Offshore Wind O&M, CTVs and SOVs: See BMT Nigel Gee.
Nigeria PSC X66. Port State Control and Regional MOUs: Abuja MOU member; hosts the Secretariat in Lagos.
Nigerian Cable Landing X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines: West African landing area at Lagos hosting MainOne, WACS, ACE, and other cable systems.
Nigerian Maritime Administration X80. Maritime Search and Rescue Coordination: NIMASA, the Nigerian agency coordinating SAR in Nigerian waters.
Nigerian Maritime Administration and Safety Agency X98. Ship Registries and Flag States: NIMASA, the Nigerian flag administration.
Night boarding X32. Marine Pilotage and Pilot Operations: Pilot transfer in hours of darkness, requiring full ladder lighting under SOLAS V/23.
Night Lunch (Crew) X120. Marine Catering, Provisions and Ship Chandlers: Galley provision required under MLC 3.2 for night watchkeepers, typically refrigerated sandwich and snack stowage.
Night order book X16. Nautical Science, Navigation and COLREGs: Record of master's specific orders for the night.
Night VFR X31. Helicopter Operations on Ships: Visual flight rules operations conducted at night, restricted offshore.
Niigata 6L26HX X174. Marine Engine Maintenance, Overhaul, and Condition Monitoring: Niigata Power Systems 260 mm bore medium-speed four-stroke marine engine used as auxiliary and small main propulsion.
Niigata 6L32CX X90. Marine Engine Specific Model Enumeration: Niigata Power Systems medium-speed marine main engine with six inline cylinders and 320 millimeter bore.
Niigata 8L32CX X90. Marine Engine Specific Model Enumeration: Niigata Power Systems medium-speed marine main engine with eight inline cylinders and 320 millimeter bore.
Niigata Loading Arm X20. LNG Operations and Custody Transfer: Japanese OEM of cryogenic loading arms with quick-connect/disconnect couplings.
Niigata Power Systems X90. Marine Engine Specific Model Enumeration: Japanese builder of medium-speed marine main and auxiliary engines for coastal and ocean-going vessels.
Niigata Z-Peller B2. Marine Engineering: Azimuthing propulsion unit.
Nikkei propeller bronze X38. Propellers, Stern Gear and Shaft Lines: Generic descriptor for Japanese-cast NAB propellers; omit unless verified maker name.
Niko Resources Wellhead Salvage X167. Major Salvage Companies, Wreck Removals, and Equipment: Reference case for offshore wreck and wellhead clearance.
Nikolaev Shipbuilding Institute X160. Maritime Academies, Universities, and STCW Certification: Ukrainian Admiral Makarov National University of Shipbuilding in Mykolaiv founded in 1920 specializing in naval architecture.
Nikolay Urvantsev X134. LNG and LPG Carrier Operators and Containment Systems: Arc7 ice class LNG carrier of 172,600 m3 delivered 2017 by DSME for Mitsui OSK Lines Yamal LNG fleet.
Nilas X27. Polar Code, Ice Navigation and Polar Operations: Thin elastic crust of ice 0 to 10 cm thick, bending without breaking on swell.
Nilas dark X27. Polar Code, Ice Navigation and Polar Operations: Nilas less than 5 cm thick, very dark in appearance.
Nilas light X27. Polar Code, Ice Navigation and Polar Operations: Nilas 5 to 10 cm thick, lighter in appearance.
Nile Cable X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines: Subsea cable connecting Egypt's Mediterranean and Red Sea coasts for traffic between Europe and Asia.
Nile Crossing Pipeline X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines: Subsea section of the Egypt to Jordan natural gas pipeline crossing the Gulf of Aqaba.
Nile, Battle of the F1. Maritime History: 1798 Nelson victory over the French at Aboukir Bay.
Nimitz (USS) CVN-68 X106. Naval Surface Combatants: Lead ship of the Nimitz-class aircraft carrier, commissioned 1975.
Nimitz class X11. Naval Vessels, Warship Systems and Naval Architecture: USN CVN-68 nuclear aircraft carrier, ten ships from 1975 to 2009.
Nimitz-class carrier X106. Naval Surface Combatants: US Navy nuclear-powered aircraft carrier class of ten ships displacing about 100,000 tons, in service since 1975.
Nimonic 80A X174. Marine Engine Maintenance, Overhaul, and Condition Monitoring: Nickel-chromium alloy commonly used for exhaust valve spindles in two-stroke marine engines due to high-temperature fatigue strength.
NIMS X126. Marine Oil Spill Response and OPRC Regimes: US National Incident Management System under FEMA, the wrapper around ICS for all federally-declared incidents.
Niña X39. Pre-1900 Maritime History: Caravel of Columbus's 1492 expedition, the only one of the three vessels to make a second voyage.
Ningbo Beilun X138. Global Container Terminal Operators and Port Equipment: Ningbo Zhoushan Port's largest container facility, listed under Ningbo Port Co, world's third busiest box port at 35.3 million TEU in 2023.
Ningbo Plant X83. ISO Container Manufacturing and Leasing: CIMC and DFIC container manufacturing site in Ningbo, Zhejiang Province.
Ningbo-Zhoushan X116. Global Bunker Anchorages, Hubs and Supply Infrastructure: Chinese megaport that overtook Singapore briefly as the largest bonded bunkering port by volume in 2023 with over 7 million tonnes.
Nini West field X57. Ocean Energy Beyond Wind: Depleted Danish North Sea oil field used as the CO2 store for the Greensand project.
NIORDC Vetting X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA: The National Iranian Oil Refining and Distribution Company vetting framework, distinct from sanctioned-trade screening.
NIOT X57. Ocean Energy Beyond Wind: National Institute of Ocean Technology, Chennai, India, which has operated OTEC desalination and wave energy demonstrators.
Nip X3. Ship Handling, Seamanship and Deck Vocabulary: Short turn or pinch in a rope.
NIPA X127. Maritime Security, Anti-Piracy and PMSCs: Niger Delta Avengers and successor groups, principal sources of Niger-Delta-coast attacks before kidnap-for-ransom moved to deep water.
NIPC (Notices to Mariners Permanent Index of Corrections) X16. Nautical Science, Navigation and COLREGs: Cumulative list of in-force chart corrections.
NIPER, Nigerian Institute of Maritime Studies F3. Seafaring Life, Education, Professions and Institutions: Regional maritime training provider.
NIPER, Nigerian Institute of Petroleum F3. Seafaring Life, Education, Professions and Institutions: Includes marine and tanker programs.
Nipper X3. Ship Handling, Seamanship and Deck Vocabulary: Short length of rope used to bind cable to messenger (historical).
Nippon A-LF-Sea X45. Marine Paints, Coatings and Antifouling: Premium hydrogel SPC coating from Nippon Paint Marine.
Nippon Aquaterras X45. Marine Paints, Coatings and Antifouling: Biocide-free water-friendly self-polishing coating from Nippon Paint Marine.
Nippon FASTAR X45. Marine Paints, Coatings and Antifouling: Nippon Paint Marine self-polishing antifouling product range using nano-domain technology.
Nippon Foundation Maritime Education Programs X121. Maritime Education, Academies and Universities: Tokyo foundation funding seafarer training scholarships globally.
Nippon Foundation-GEBCO Seabed 2030 X129. Hydrographic Offices, Survey Vessels and Marine Cartography: Joint programme between the Nippon Foundation and GEBCO launched in 2017 to map the entire ocean floor by 2030.
Nippon Kaiji Kyokai X98. Ship Registries and Flag States: Japanese classification society known as ClassNK, IACS member founded 1899.
Nippon Kaiji Kyokai HKC Yard SoC X50. Ship Recycling, Demolition and Hong Kong Convention: Statements of Compliance for HKC yards issued by ClassNK across India, Bangladesh, China, and Turkey.
Nippon LF-Sea X45. Marine Paints, Coatings and Antifouling: Hydrogel self-polishing antifouling coating developed by Nippon Paint Marine offering low-friction performance.
Nippon Maru I (museum) X128. Sail Training Ships and Tall Ship Associations: Japanese four masted barque built 1930 at Kobe, 97 m length, sail training to 1984, today preserved at Yokohama.
Nippon Maru II X128. Sail Training Ships and Tall Ship Associations: Japanese four masted barque built 1984 at Sumitomo Uraga, 110 m length, 2,760 sq m sail area, partner to Kaiwo Maru as NIST cadet training ship.
Nippon Paint Marine X45. Marine Paints, Coatings and Antifouling: Marine coatings subsidiary of Nippon Paint Holdings of Japan, manufacturing antifoulings and tank coatings worldwide.
Nippon Salvage X13. Marine Salvage and Wreck Removal: Japanese salvage contractor, NSK acted on Wakashio with SMIT.