Glossary

Maritime glossary, terms beginning with N (page 6)

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

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

Norwegian Prima X64. Cruise Industry Operators, Brands and Ships: First Norwegian Cruise Line Prima-class ship delivered in 2022.
Norwegian Project Finance X49. Ship Finance, Leasing and Maritime Capital Markets: Equity heavy project structures placed through Oslo brokers to private investors.
Norwegian Saleform C1. Commercial shipping, chartering, economics and finance: NSF, SP form by the Norwegian Shipbrokers' Association.
Norwegian Saleform (NSF) X29. Ship Sale and Purchase, Management Contracts and Valuation: BIMCO published standard sale form, editions 1987, 1993, 2012, with Nordic 2024 update.
Norwegian Saleform 1993 X161. Shipbroking, Freight Derivatives, and Baltic Indices: Earlier edition of the BIMCO Norwegian Saleform MOA still occasionally referenced in older S&P precedent.
Norwegian Saleform 2012 (NSF 2012) X161. Shipbroking, Freight Derivatives, and Baltic Indices: Widely used MOA edition published by the Norwegian Shipbrokers Association in cooperation with BIMCO.
Norwegian Saleform 2012 NSF X28. Ship Recycling and End-of-Life: Standard sale and purchase form occasionally used for as-is demolition sales.
Norwegian Saleform 2024 (NSF 2024) X161. Shipbroking, Freight Derivatives, and Baltic Indices: Latest revision of the Saleform updating dispute resolution, sanctions, electronic signature, and cyber clauses.
Norwegian Sea X10. Marine Biology, Fisheries and Oceanography: Sea between Norway and the Greenland-Iceland-Faroes ridge.
Norwegian Seafood Council (Sjomatradet) X131. Commercial Fisheries, Trawler Fleets and Seafood Processors: State-owned generic marketing body based in Tromso.
Norwegian Seamen's Mission X102. Seafarer Welfare and Maritime Charities: English name for Sjømannskirken, founded 1864 in Bergen, operating about 30 Norwegian Seamen's Churches worldwide.
Norwegian Shipowners' Association F3. Seafaring Life, Education, Professions and Institutions: Industry body in Oslo.
Norwegian Shipowners' Association (NSA) X102. Seafarer Welfare and Maritime Charities: Industry body that funds welfare and training initiatives in cooperation with Norwegian unions.
Norwegian Shipowners' Association Annual Conference X119. Maritime Conferences, Trade Shows and Awards: Annual Oslo gathering convened by Norges Rederiforbund.
Norwegian Sky X64. Cruise Industry Operators, Brands and Ships: Norwegian Cruise Line ship delivered in 1999.
Norwegian Spirit X64. Cruise Industry Operators, Brands and Ships: Norwegian Cruise Line ship delivered in 1999.
Norwegian Spring Spawning Herring X87. Fishing Vessels and Fisheries Management: Atlantic Scandian herring stock managed by Norway, Russia, Iceland, Faroes, and the EU.
Norwegian Star X64. Cruise Industry Operators, Brands and Ships: Norwegian Cruise Line Dawn-class ship delivered in 2001.
Norwegian Sun X64. Cruise Industry Operators, Brands and Ships: Norwegian Cruise Line ship delivered in 2001.
Norwegian Tonnage Tax X98. Ship Registries and Flag States: Tonnage tax regime applied to qualifying Norwegian-resident shipping companies.
Norwegian University of Science and Technology (NTNU) Department of Marine Technology X160. Maritime Academies, Universities, and STCW Certification: Trondheim based department with global standing in hydrodynamics, marine systems, and underwater technology.
Norwegian University of Science and Technology Department of Marine Technology X121. Maritime Education, Academies and Universities: NTNU IMT in Trondheim, founded 1939, Norway's national marine technology research and education department, plus AMOS centre of excellence.
Norwegian Viva X64. Cruise Industry Operators, Brands and Ships: Norwegian Cruise Line Prima-class ship delivered in 2023.
Norwind Breeze X105. Offshore Wind Farm Installation and Vessels: Solstad-operated newbuild service operation vessel in the Norwind series for offshore wind.
Norwind Gale X105. Offshore Wind Farm Installation and Vessels: Norwind series SOV operated by Solstad Offshore for European wind farm O&M.
Norwind Gust X105. Offshore Wind Farm Installation and Vessels: Norwind series SOV operated by Solstad Offshore.
Norwind Squall X105. Offshore Wind Farm Installation and Vessels: Norwind series service operation vessel for offshore wind support.
NOS X59. Offshore Wind O&M, CTVs and SOVs: See Northern Offshore Services.
NOS Clearing X17. Chartering, Shipbroking and Freight Trading: Norwegian clearing house used historically for cleared FFAs and tanker derivatives.
NOS Sigyn class X59. Offshore Wind O&M, CTVs and SOVs: Series of CTVs operated by Northern Offshore Services, designed for North Sea conditions.
NOS Technical Name Requirement X172. IMDG Code: Classes, Divisions, Segregation, and Key UN Numbers: Per SP 274, the technical name shall appear in parentheses after the PSN.
Nostrum X80. Maritime Search and Rescue Coordination: Italian rescue operation Mare Nostrum conducted 2013 to 2014.
NOTAM, Notice to Airmen F5. The Reference Layer: Glossary, Units, Signals and Information Sources: Aviation notice with maritime aviation overlap.
Notation X30. Tug Operations and Harbour Towage: Class society descriptor such as Tug, Escort Tug, Fire Fighting Ship 1, or Salvage Tug.
Notation Modifier X8. IACS, Class Rules and Class Notations: descriptor appended to a class notation indicating scope, service or limitation.
Notch X103. US Inland Waterway Towing and Barge: The recess in the stern of an articulated tug barge into which the tug fits.
Notch (Coastal) D2. Hydrography, tides, waves, bathymetry and marine geology: Erosional indentation at the base of a cliff.
Notch Tug X79. Tugs and Towage Industry: ATB tug shaped to fit a stern notch in its barge for rigid or articulated coupling.
Note of Protest X5. Marine Surveying and Inspection: Master's formal protest before notary; supported by survey records.
Notes to bidders X124. Dredging Industry and Reclamation Contractors: Standard dredging tender clause covering site conditions.
Notice (OFSI Threat Assessment) X151. Maritime Sanctions, Dark Fleet, and Price Cap Regimes: UK guidance publications targeting evasion typologies, including the August 2023 maritime services threat assessment.
Notice of Abandonment (NOA) X4. Marine Insurance, P&I and Claims: formal notice by the assured to underwriters claiming a constructive total loss.
Notice Of Apparent Good Order X104. Project Cargo Forwarders and Heavy Transport: Statement that project cargo has been received without visible damage.
Notice of Arbitration X51. Maritime Arbitration, Law and BIMCO Clauses: The written notice commencing the arbitral reference under the LMAA Terms or other applicable rules.
Notice of Arrival X86. Port Agency, Husbandry and Disbursement: Initial arrival notice issued by the agent.
Notice of Claim X4. Marine Insurance, P&I and Claims: notice given to insurer of an event likely to give rise to a claim.
Notice of Departure X86. Port Agency, Husbandry and Disbursement: Departure notice issued by the agent to all stakeholders.
Notice of Disembarkation Restriction X41. Cruise Ship Public Health and VSP/USPH: Captain-issued guidance during outbreaks asking symptomatic guests to remain aboard pending clearance.
Notice of intent X42. Offshore Wind Installation and Cable Lay: BOEM administrative step initiating Environmental Impact Statement preparation.
Notice of Intent (sailing) X16. Nautical Science, Navigation and COLREGs: Pre-arrival or pre-departure notice to authorities.
Notice of Loss X157. Marine Loss Adjusters, GA Practice, and Casualty Firms: Notification by the insured to underwriters of an event likely to give rise to a claim.
Notice of Race F4. Recreational Boating, Yachting and Sport: Document issued by an organizing authority for a regatta.
Notice of Race (NOR) X84. Yacht Racing, Regattas and Sailing Governance: The document published by organizers setting the terms for entering a regatta.
Notice of readiness C1. Commercial shipping, chartering, economics and finance: NOR, formal notice that the vessel is ready to load or discharge.
Notice of Readiness (NOR) A5. Maritime Law, private and commercial: Notice by master that ship is ready to load or discharge, starting laytime.
Notice of Readiness for Final Survey X50. Ship Recycling, Demolition and Hong Kong Convention: The owner notification to the flag administration prior to the HKC final survey.
Notice of Readiness Tendering Clause X51. Maritime Arbitration, Law and BIMCO Clauses: A charterparty provision regulating when, how, and where the NOR may be given.
Notice of Termination (LOF) X99. Marine Salvage Awards and SCOPIC: Written notice by which either party may terminate salvage services in accordance with the LOF and LSSA Clauses.
Notice to Buyer X28. Ship Recycling and End-of-Life: Cash buyer's intimation to the recycler of vessel particulars and ETA at the yard.
Notice to Lloyd's X99. Marine Salvage Awards and SCOPIC: Notification of LOF execution required within one day of signing under the LSSA Clauses.
Notice to mariners C2. Ship operations, crewing and technical management: NM, updates to nautical charts and publications.
Notice to Mariners (NM) F5. The Reference Layer: Glossary, Units, Signals and Information Sources: Periodical chart correction publication.
Notice to Mariners (NtM) E1. Maritime security, geopolitics and risk: Hydrographic-office bulletins, including security warnings.
Notice to Navigation Interests X103. US Inland Waterway Towing and Barge: A USACE bulletin advising of lock outages, restrictions or other operational changes.
Notices to Mariners (NTM) X16. Nautical Science, Navigation and COLREGs: Weekly amendments to charts and publications; UKHO Section II and US NGA NTM.
Notices to Skippers X33. Inland Navigation and Barge Operations: RIS service distributing fairway and traffic information to inland skippers.
Notifiable Disease List X41. Cruise Ship Public Health and VSP/USPH: Schedule of conditions, including cholera and viral hemorrhagic fevers, that must be reported to CDC.
Notification of Arrival X146. Port State Control Regimes, MoUs, and Inspection Systems: The 72-hour advance notice required of certain ships entering Paris MoU ports under the EU Directive 2009/16/EC.
Notification of casualty X163. Marine Accident Investigation Agencies and Landmark Inquiries: Duty of the flag State, port State, and coastal State to notify each other and the IMO of marine casualties as set out in the Casualty Investigation Code.
Notification of detention X7. Flag State, Port State Control and Detention Vocabulary: Written notice to the master, flag State, RO and owner that the ship is detained.
Notification of Intent to Recycle X28. Ship Recycling and End-of-Life: Owner's notice under HKC Regulation 24 to the flag administration.
Notification of intention to recycle X147. Ship Recycling, Hong Kong Convention, and Recycling Yards: Owner's formal notice to its flag Administration that a ship is to be recycled.
Notification of Readiness Project X104. Project Cargo Forwarders and Heavy Transport: Statement that a vessel or trailer is ready to load or move project cargo.
Notification of Suspected Incident X48. Maritime Cybersecurity: Formal alert sent by ship or company personnel when a cyber event is suspected.
Notification, Pilot ETA X159. Marine Pilotage, Pilot Districts, and Pilots' Associations: Statutory advance notice given by the agent or master of expected boarding time, often 24, 12, and 4 hours before arrival.
Notify party C3. Logistics, freight forwarding and multimodal trade: Party notified of cargo arrival but not necessarily consignee.
Notify Party (Fish Carrier) X87. Fishing Vessels and Fisheries Management: Consignee designation on a fish carrier bill of lading specifying the party to be notified on arrival.
Notilo Plus X18. Ballast Water, Biofouling and Antifouling: French provider of underwater drones (e.g., Seasam) used for hull inspection.
Notothenioid X10. Marine Biology, Fisheries and Oceanography: Antarctic icefishes and relatives, many with antifreeze glycoproteins.
NotPetya X22. Piracy, Maritime Security and Armed Protection: June 2017 wiper malware that propagated through MeDoc Ukrainian tax software, impacting Maersk and others.
Nova Innovation X57. Ocean Energy Beyond Wind: Scottish tidal stream developer that operates the Shetland Tidal Array in Bluemull Sound.
Nova Scotia tidal energy program X57. Ocean Energy Beyond Wind: Provincial policy framework that supports tidal stream demonstration at FORCE.
NOVATEK X133. Polar Research Vessels and Polar Code Regimes: Russian LNG producer, operator of Yamal LNG and Arctic LNG 2 with associated Arc7 fleet.
Novation X44. Shipping Indices, FFAs and Freight Markets: Legal process by which a bilateral FFA trade is replaced by two contracts each with the clearing house as central counterparty.
Novatug X30. Tug Operations and Harbour Towage: Dutch developer of the Carrousel Rave Tug concept with Voith Schneider propulsion.
Novaya Zemlya X27. Polar Code, Ice Navigation and Polar Operations: Russian Arctic archipelago separating the Barents and Kara Seas.
November Flag F5. The Reference Layer: Glossary, Units, Signals and Information Sources: International Code of Signals letter N, meaning "No" (negative).
Novia University of Applied Sciences X121. Maritime Education, Academies and Universities: Operates Aboa Mare in Turku and the maritime engineering programme in Vaasa.
Novolac epoxy X45. Marine Paints, Coatings and Antifouling: Phenolic-based epoxy resin offering high chemical and temperature resistance for cargo tank coatings.
Novorossiysk X91. Submarines and Submarine Cable Systems: Russian Project 636.3 Improved Kilo class submarine.
Novorossiysk Ushakov X121. Maritime Education, Academies and Universities: See Admiral Ushakov Maritime State University.
NOWPAP D3. Marine environmental science, pollution and conservation: Northwest Pacific Action Plan under UNEP.
NOx X111. Methanol, Ammonia and Alternative Marine Fuels: Oxides of nitrogen, regulated under MARPOL Annex VI Tier I, II, and III for marine engines and a key concern for ammonia and biofuel combustion.
NOx Reducer X69. EGCS Scrubbers, SCR and Marine Air Emissions: Wartsila trade name for its marine SCR system.
NOx Technical Code A4. Other IMO and ILO conventions and codes: Issued under MARPOL Annex VI.
NOx Technical Code 2008 A3. Marine environmental legislation: MARPOL and its annexes: Mandatory under MARPOL Annex VI.
Nox Technical File C2. Ship operations, crewing and technical management: NOx Technical File required for marine engines under MARPOL Annex VI.
NOx Tier X47. Marine Fuel Quality and ISO 8217: IMO emission tiers for marine engines, set by build date and operating area, dependent on fuel and engine tuning.
NOx Tier I X69. EGCS Scrubbers, SCR and Marine Air Emissions: Applicable to engines on ships with keels laid on or after 1 January 2000 and before 1 January 2011.
NOx Tier I/II/III D6. Decarbonization, emissions and alternative fuels: IMO NOx emission limits for marine diesel engines under MARPOL Annex VI.
NOx Tier II X69. EGCS Scrubbers, SCR and Marine Air Emissions: Applicable to engines on ships with keels laid on or after 1 January 2011, globally.
NOx Tier III X34. Decarbonization, Alternative Fuels and Carbon Pricing: MARPOL Annex VI NOx limit applying in NOx ECAs; relevant for SCR-equipped alt-fuel engines.
Noxious Liquid Substance (NLS) X1. Cargo Science, Commodities and Cargo Care: MARPOL Annex II liquid bulk.
NOxReducer Yara X69. EGCS Scrubbers, SCR and Marine Air Emissions: Yara Marine Technologies SCR product line for marine engines.
NOZE (Net Zero Emissions Vessel) D6. Decarbonization, emissions and alternative fuels: Vessel achieving net-zero across the value chain.
Nozomi Networks X25. Maritime Cybersecurity, OT and IT: OT and IoT visibility and threat detection vendor.
Nozomi Networks Guardian X139. Maritime Cybersecurity, OT Threats and Standards: OT monitoring platform deployed on tankers and bulk carriers for passive asset discovery.
Nozzle X82. Saturation Diving and Offshore Diving Operations: Restriction in chamber piping controlling fill rate.
Nozzle plate X19. Engine Room Watchkeeping and UMS Operations: Boiler superheater header plate, also turbocharger nozzle ring.
Nozzle ring X19. Engine Room Watchkeeping and UMS Operations: Stator vanes directing exhaust onto turbocharger turbine wheel.
Nozzle Spray X20. LNG Operations and Custody Transfer: Cool-down spray nozzles distributing LNG inside tank during cool-down.
Nozzle Test X5. Marine Surveying and Inspection: Verification of fuel injector spray pattern during engine survey.
Nozzle, decelerating X38. Propellers, Stern Gear and Shaft Lines: Annular duct decelerating flow into the propulsor, used on submarine pump-jets for noise control.
Nozzle, fixed X38. Propellers, Stern Gear and Shaft Lines: Stationary Kort-type nozzle bolted to the hull on tugs and workboats.
Nozzle, steerable X38. Propellers, Stern Gear and Shaft Lines: Pivoting Kort nozzle (e.g., Schottel SRP-type duct) serving as both duct and rudder.
NP100 X16. Nautical Science, Navigation and COLREGs: The Mariner's Handbook (UKHO).
NP131 X16. Nautical Science, Navigation and COLREGs: Catalogue of Admiralty Charts and Publications.
NP136 X16. Nautical Science, Navigation and COLREGs: Ocean Passages for the World (UKHO).
NP201 to NP204 X16. Nautical Science, Navigation and COLREGs: Admiralty Tide Tables, by world region.
NP203 X16. Nautical Science, Navigation and COLREGs: Admiralty Tide Tables Volume 3, Indian Ocean and South China Sea.
NP218 series X16. Nautical Science, Navigation and COLREGs: Tidal Stream Atlases (multiple volumes).
NP281 X16. Nautical Science, Navigation and COLREGs: Admiralty List of Radio Signals Volume 1, Coast Radio Stations.
NP282 X16. Nautical Science, Navigation and COLREGs: ALRS Volume 2, Radio Aids to Navigation, Differential GPS, AIS.
NP283 X16. Nautical Science, Navigation and COLREGs: ALRS Volume 3, Maritime Safety Information Services.
NP284 X16. Nautical Science, Navigation and COLREGs: ALRS Volume 4, Meteorological Observation Stations.
NP285 X16. Nautical Science, Navigation and COLREGs: ALRS Volume 5, GMDSS.
NP286 X16. Nautical Science, Navigation and COLREGs: ALRS Volume 6, Pilot Services, VTS and Port Operations.
NP303 X16. Nautical Science, Navigation and COLREGs: Sight Reduction Tables for Marine Navigation (UKHO; UK equivalent of HO-229).
NP314 X16. Nautical Science, Navigation and COLREGs: The Nautical Almanac (UKHO joint with USNO).
NP5011 X16. Nautical Science, Navigation and COLREGs: Symbols and Abbreviations used on Admiralty Charts.
NP735 X16. Nautical Science, Navigation and COLREGs: IALA Maritime Buoyage System (UKHO).
NPD X14. Offshore Oil and Gas Marine Operations: Norwegian Petroleum Directorate (now Sokkeldirektoratet).
NPFC Convention Area X87. Fishing Vessels and Fisheries Management: Northwestern Pacific high seas area managed by the NPFC.
NPI X133. Polar Research Vessels and Polar Code Regimes: Norwegian Polar Institute, Tromso, operates RV Kronprins Haakon.
NPSH X19. Engine Room Watchkeeping and UMS Operations: Net positive suction head required by pumps to avoid cavitation.
NPSHa X63. Marine Auxiliary Machinery and Pumps: Net positive suction head available, derived from the system geometry and conditions.
NPSHr X63. Marine Auxiliary Machinery and Pumps: Net positive suction head required by the pump to operate without cavitation.
NPub X73. Marine Hydrography, Charting and ENC: Naval Publications, the US Navy equivalent series of nautical reference documents, distributed by NGA.
NPV Sample X5. Marine Surveying and Inspection: Composite sample drawn from multiple tanks for analysis.
NR 500 X125. Superyacht Industry, Builders and Brokers: Bureau Veritas rule note for yacht classification.
NR 600 X125. Superyacht Industry, Builders and Brokers: Bureau Veritas rule for hull structure of steel ships.
NRA X6. Container, Intermodal and Trade Codes: Negotiated Rate Arrangement, FMC-filed confidential rate agreement.
NRC Donjon-Smit X126. Marine Oil Spill Response and OPRC Regimes: Joint venture providing OPA 90 nontank vessel response plan coverage.
NRMM X33. Inland Navigation and Barge Operations: Non-Road Mobile Machinery Regulation (EU) 2016/1628 setting Stage V emission limits for inland vessel engines from 2019 to 2020.
NSA X6. Container, Intermodal and Trade Codes: NVOCC Service Arrangement, similar FMC instrument for NVOCCs.
NSB Niederelbe Schiffahrtsgesellschaft X29. Ship Sale and Purchase, Management Contracts and Valuation: German ship manager based in Buxtehude.
NSC X130. National Coast Guards and Cutter Fleets: National Security Cutter abbreviation, see Legend-class.
NSC Group X127. Maritime Security, Anti-Piracy and PMSCs: Norwegian Shipowners' Mutual War Risks Insurance Association, principal Norwegian war-risks underwriter for HRA transits.
NSCA X146. Port State Control Regimes, MoUs, and Inspection Systems: The shorthand for non-substantial compliance, not actually a standard PSC code but used colloquially.
NSCC Nautical Sciences F3. Seafaring Life, Education, Professions and Institutions: Nova Scotia Community College maritime program.
NSF X71. Shipbrokers and Brokerage Firms: Common abbreviation for the Norwegian Saleform.
NSF 2012 C1. Commercial shipping, chartering, economics and finance: Norwegian Saleform 2012, market standard ship sale form.
NSF International X120. Marine Catering, Provisions and Ship Chandlers: Standards body separate from FDA, develops NSF/ANSI 2 for food equipment.
NSF OPP X133. Polar Research Vessels and Polar Code Regimes: Office of Polar Programs, NSF division responsible for Antarctic logistics contracts.
NSIA X12. Maritime Casualties and Investigation: Norwegian Safety Investigation Authority, formerly AIBN, with a marine department.
NSM X11. Naval Vessels, Warship Systems and Naval Architecture: Naval Strike Missile, Kongsberg subsonic stealth ASCM.
NSM (Naval Strike Missile) X106. Naval Surface Combatants: Kongsberg subsonic sea-skimming anti-ship missile with passive imaging infrared seeker.
NSO Norse Wind X59. Offshore Wind O&M, CTVs and SOVs: Northern Offshore Services SOV supporting offshore wind operations on long term charter.
NSO ship X58. Shipbuilding Yards and Construction: New series order ship built to a yard's standard design.
NSPI Lifting Frame X104. Project Cargo Forwarders and Heavy Transport: Heavy lifting frame originally developed by NSPI, used in module setting work.
NSR X52. Polar Code, Arctic and Antarctic Shipping: Acronym for Northern Sea Route.
NSR Administration X52. Polar Code, Arctic and Antarctic Shipping: Glavsevmorput, the federal institution administering navigation in the NSR waters.
NSR permit X27. Polar Code, Ice Navigation and Polar Operations: Permission issued by the NSR Administration for transit of the Russian NSR.
NSRA Nigeria X80. Maritime Search and Rescue Coordination: Nigerian Sea Rescue Association, voluntary maritime SAR body.
NSS X68. Maritime Satcom and Telecommunications: SES legacy New Skies Satellites brand, with capacity used historically by maritime networks.
NSSMC X92. Marine Steel Suppliers and Shipbuilding Plate: Former name of Nippon Steel Corporation between the 2012 merger and the 2019 rebrand.
NSSMS X11. Naval Vessels, Warship Systems and Naval Architecture: NATO Sea Sparrow Missile System, Mk 57 launcher predecessor.
NSSR X80. Maritime Search and Rescue Coordination: Redningsselskapet, Norwegian Society for Sea Rescue founded 1891.
NSTA X124. Dredging Industry and Reclamation Contractors: Nigeria Sub-Sea Trunkline Access maintained by Nigerian Ports Authority dredging.
NSU X102. Seafarer Welfare and Maritime Charities: National Seafarers' Union, a historic union model adopted in several Commonwealth countries.
NSV (Naval Service Vessel) B5. Ship Types and Individual Vessels: Coast guard or auxiliary naval vessel.
NTNU Aalesund X55. Marine Simulators, Training and Maritime Academies: Maritime campus of the Norwegian University of Science and Technology, hosting offshore, ship-handling, and engine simulators.
NTPRO 5000 X55. Marine Simulators, Training and Maritime Academies: Transas bridge simulator product line, now developed and supported under Wartsila Voyage.
NTS X29. Ship Sale and Purchase, Management Contracts and Valuation: New Times Shipbuilding, Chinese private yard at Jingjiang.
NTSB X12. Maritime Casualties and Investigation: National Transportation Safety Board of the United States, independent agency conducting major marine investigations alongside the USCG.
NTSB (National Transportation Safety Board) X163. Marine Accident Investigation Agencies and Landmark Inquiries: United States independent federal agency established in 1967 whose Office of Marine Safety in Washington, DC investigates major marine casualties under 49 USC Chapter 11.
NTSB Marine Accident Brief (MAB) X163. Marine Accident Investigation Agencies and Landmark Inquiries: Short factual report format used by the United States NTSB for marine casualties with limited safety findings.
NTSB Marine Accident Report (MAR) X163. Marine Accident Investigation Agencies and Landmark Inquiries: Full report format used by the NTSB Office of Marine Safety for significant marine casualties such as MAR-90/04 on Exxon Valdez and MAR-17/01 on El Faro.
NTSB Office of Marine Safety X163. Marine Accident Investigation Agencies and Landmark Inquiries: Office within the NTSB responsible for marine investigations and producing Marine Accident Reports and Briefs.
NUC X15. Ports, Terminals and Stevedoring: vessel Not Under Command, relevant to port traffic management.
NUC Light X31. Helicopter Operations on Ships: Not Under Command light shown by vessel during helicopter operations on deck.
Nuclear cargo ship safety certificate X170. SOLAS 1974 Convention: Chapter-by-Chapter Glossary: Issued under SOLAS I/12(a)(vii) for nuclear-powered cargo ships.
Nuclear icebreaker X27. Polar Code, Ice Navigation and Polar Operations: Civilian icebreaker powered by nuclear reactors; only Russia operates such ships (Atomflot).
Nuclear magnetic resonance (NMR) X47. Marine Fuel Quality and ISO 8217: Spectroscopic technique used in some advanced bunker laboratories for asphaltene structural characterization.
Nuclear marine renewable hybrid X57. Ocean Energy Beyond Wind: Conceptual studies combining nuclear baseload with tidal and wave generation in island systems.
Nuclear Material X75. IMDG Code, Classes, Packing and Segregation: Subset of Class 7 substances regulated also by national nuclear safeguards regimes.
Nuclear passenger ship safety certificate X170. SOLAS 1974 Convention: Chapter-by-Chapter Glossary: Issued under SOLAS I/12(a)(vi) and Chapter VIII for nuclear-powered passenger ships.
Nuclear ship X170. SOLAS 1974 Convention: Chapter-by-Chapter Glossary: A ship provided with a nuclear power plant, defined in SOLAS VIII/1.
Nuclear Ship Inspection X66. Port State Control and Regional MOUs: Special procedures under SOLAS Chapter VIII; rare but covered by PSC.
Nuclear Submarine Reactor (S6G/PWR2) E2. Naval, defence and maritime law enforcement: Naval reactor designations.
Nuclear-Powered Attack Submarine (SSN) E2. Naval, defence and maritime law enforcement: Multi-role nuclear-powered submarine.
Nuclear-powered vessel X16. Nautical Science, Navigation and COLREGs: Vessel governed by SOLAS Chapter VIII.
Nucleus IODP Core D2. Hydrography, tides, waves, bathymetry and marine geology: Scientific drill core archived from IODP expeditions.
Nucor X92. Marine Steel Suppliers and Shipbuilding Plate: US steel producer, the largest US steelmaker by tonnage, operating an electric arc furnace fleet across multiple states.
Nudibranch X10. Marine Biology, Fisheries and Oceanography: Shell-less marine gastropod (sea slug) of the clade Nudibranchia.
NUI X31. Helicopter Operations on Ships: Normally Unattended Installation, platform visited periodically by helicopter.
Nulka X11. Naval Vessels, Warship Systems and Naval Architecture: Australian active off-board RF decoy launched from Mk 36 SRBOC.
Numarine X156. Superyacht Industry, Builders, and Yacht Charter Market: Turkish builder at Istanbul producing composite explorer and flybridge motor yachts.
NUMAST X154. Maritime Welfare, Seafarer Charities, and MLC Rights: National Union of Marine, Aviation, and Shipping Transport Officers, the UK officers' union that became Nautilus UK and then Nautilus International in 2009.
Number of Packages X75. IMDG Code, Classes, Packing and Segregation: Mandatory data field on the DG declaration in addition to type of packages.
Number Pennants F5. The Reference Layer: Glossary, Units, Signals and Information Sources: ICS numeric pennants 0 to 9.
Numbers, Ship's X39. Pre-1900 Maritime History: Identification flags hoisted by merchant vessels under the commercial code introduced by Marryat in 1817.
Numeca FineMarine X54. Naval Architecture Software and IACS Rules: Marine CFD package originally from Numeca International, now part of Cadence.
Numerical modeling X124. Dredging Industry and Reclamation Contractors: Plume dispersion modeling with MIKE21 or Delft3D for permitting.
Numerical towing tank B1. Naval Architecture: Full RANS simulation of a self-propelled ship.
Nun buoy X3. Ship Handling, Seamanship and Deck Vocabulary: Conical buoy.
NURBS Surface X54. Naval Architecture Software and IACS Rules: Non-Uniform Rational B-Spline surface representation used in Rhinoceros, NAPA, and Maxsurf.
Nurdle spill X12. Maritime Casualties and Investigation: Loss of pre-production plastic pellets, prominent after the X-Press Pearl casualty.
NUS Centre for Maritime Studies F3. Seafaring Life, Education, Professions and Institutions: Singapore academic research center.
NUSI Welfare Trust X154. Maritime Welfare, Seafarer Charities, and MLC Rights: Welfare arm of NUSI handling seafarer family support and education.
Nutricline D1. Physical and chemical oceanography and marine meteorology: Vertical layer with strong nutrient concentration gradient.
Nutrien X140. Ammonia as Marine Fuel and Hydrogen Shipping: Saskatoon-based world's largest crop nutrient producer, holding 6 Mtpa NH3 capacity at Geismar, Borger, Lima, and Joffre.
Nutrient Loading D3. Marine environmental science, pollution and conservation: Input of nitrogen, phosphorus, or silica to a water body.
Nutrition Standard (Crew) X120. Marine Catering, Provisions and Ship Chandlers: MLC 2006 Standard A3.2 requires nutritional value appropriate to seafarers' work, no specific calorie figure prescribed.
Nuvolari Lenard X125. Superyacht Industry, Builders and Brokers: Treviso, Italy design studio founded by Carlo Nuvolari and Dan Lenard, designer of Palladium, Sycara V, and Quantum Blue.
NUVOY X101. Vessel Brokerage Software and Chartering Platforms: BIMCO chemical voyage charter party form designed for parcel and specialty chemical cargoes.
Nuvoy 84 X51. Maritime Arbitration, Law and BIMCO Clauses: A multi-purpose voyage charterparty form published by the Documentary Committee of the Soviet Union Chamber of Commerce.
Nuyina X133. Polar Research Vessels and Polar Code Regimes: RSV Nuyina, AAD flagship delivered 2021 by Damen Galati, Polar Class PC3, 25,500 GT.
NVDC X98. Ship Registries and Flag States: National Vessel Documentation Center.
NVIC 01-20 X25. Maritime Cybersecurity, OT and IT: USCG Navigation and Vessel Inspection Circular providing guidelines for addressing cyber risks at MTSA regulated facilities.
NVIC 02-24 X148. Maritime Cybersecurity, IACS Cyber Rules, and Incidents: USCG Navigation and Vessel Inspection Circular addressing cybersecurity-related guidance issued in 2024.
NVIC 09-02 Change 6 X148. Maritime Cybersecurity, IACS Cyber Rules, and Incidents: The USCG NVIC update enrolling cyber risk into MTSA Facility Security Assessments.
NVOCC X6. Container, Intermodal and Trade Codes: Non-Vessel-Operating Common Carrier, contracting carrier without owned ships.
NVOCC Liaison X86. Port Agency, Husbandry and Disbursement: Liaison with non-vessel-operating common carriers using the vessel's services.
NVOCC Project X104. Project Cargo Forwarders and Heavy Transport: Non-vessel operating common carrier specializing in project and oversize cargo bookings.
NWA Northwest Seaport Alliance X138. Global Container Terminal Operators and Port Equipment: Marine cargo operating partnership of Tacoma and Seattle since 2015, fourth largest US container gateway.
NWE Bunker Market X72. Bunkering Hubs and Bunker Suppliers: Trade designation for North West European bunker market including the ARA range and the UK.
NWFF (New World First Ferry) X132. High-Speed Craft, Hydrofoils and Ferry Operators: Hong Kong operator running Central to Cheung Chau, Mui Wo and Peng Chau and Macau routes until 2021.
Nx Nastran X54. Naval Architecture Software and IACS Rules: Siemens-branded distribution of the NASTRAN solver used in ship structural analysis.
NX-300 X89. ECDIS and Bridge Equipment Makers: Furuno NAVTEX receiver in the NX-300 series.
NX-700 X89. ECDIS and Bridge Equipment Makers: Furuno NAVTEX receiver with integrated printer.
Nyborg seakeeping basin X162. Naval Architecture, Stability, Resistance, and Structural Design: SSPA's seakeeping and maneuvering basin in Gothenburg, Sweden.
Nydam X124. Dredging Industry and Reclamation Contractors: Boskalis backhoe dredger.
Nydam Boat F2. Maritime Culture, Heritage, Archaeology, Art and Museums: Iron Age oared vessel found in Denmark.
NYK X56. LNG/LPG Carriers and IGC Code: Nippon Yusen Kaisha, Japanese shipping major with extensive LNG and LPG fleets.
NYK Bunker X116. Global Bunker Anchorages, Hubs and Supply Infrastructure: Bunker procurement function of Nippon Yusen Kaisha based in Tokyo.
NYK Cool X70. Reefer Containers and Cold Chain Shipping: Reefer shipping operation associated with Nippon Yusen Kaisha, historically active in conventional reefer trades.
NYK Line X98. Ship Registries and Flag States: Nippon Yusen Kaisha, Japanese shipping group with vessels under Japan, Singapore, and Marshall Islands flags.
NYK Line Cadet Programme F3. Seafaring Life, Education, Professions and Institutions: Long-running Japanese cadet pipeline.
NYK Sakigake X140. Ammonia as Marine Fuel and Hydrogen Shipping: 4,200 kW tug retrofitted with MAN ammonia-fueled engine, planned delivery 2024 in Tokyo Bay.
Nylon (Polyamide) X173. Mooring, Anchoring, OCIMF MEG4, and Equipment Numeral: Synthetic fibre with high strength and elongation used in shock-absorbing mooring lines but losing strength when wet by about 10 to 15%.
NYPE X114. Maritime Arbitration and Shipping Law Firms: New York Produce Exchange Form, standard time charterparty published by ASBA and BIMCO.
NYPE 1946 X17. Chartering, Shipbroking and Freight Trading: New York Produce Exchange time charter party, 1946 revision.
NYPE 1946 Form X143. Landmark Maritime Law Cases and Doctrines: New York Produce Exchange standard time charter form.
NYPE 1993 X17. Chartering, Shipbroking and Freight Trading: Updated NYPE form widely used in dry bulk and container trades.
NYPE 2015 A5. Maritime Law, private and commercial: New York Produce Exchange standard time charter form.
NYPE 93 X101. Vessel Brokerage Software and Chartering Platforms: New York Produce Exchange time charter party form revised in 1993 and later updated as NYPE 2015.
NYPE Speed Warranty X78. Voyage Optimization and Vessel Performance Software: A speed and consumption warranty under the New York Produce Exchange time charter form, used as the basis for many time charter underperformance claims.
NYSE Shipping Listings X49. Ship Finance, Leasing and Maritime Capital Markets: Group of shipping companies listed on the New York Stock Exchange.
NZF compliance unit X34. Decarbonization, Alternative Fuels and Carbon Pricing: Tradable unit anticipated under the IMO Net-Zero Framework, subject to finalization at MEPC.