Glossary
Maritime glossary, terms beginning with N (page 2)
All maritime glossary terms that begin with the letter N, drawn from every subject section. 1500 entries.
Showing 250 of 1500 terms (page 2 of 6).
- NAUT-OSV X8. IACS, Class Rules and Class Notations
- DNV navigation notation for offshore support vessels.
- NAUTHIS X129. Hydrographic Offices, Survey Vessels and Marine Cartography
- French hydrographic information system maintained by SHOM for chart production.
- Nautical Almanac B3. Nautical Science
- Annual joint UK/US publication.
- Nautical Archaeology Program at Texas AandM F2. Maritime Culture, Heritage, Archaeology, Art and Museums
- Pioneering academic department founded 1976.
- Nautical bottom X15. Ports, Terminals and Stevedoring
- depth at which density makes navigation impossible.
- Nautical Cybersecurity Framework (NIST-Maritime) E3. Technology, digitalization and smart shipping
- Adapted NIST CSF profile.
- Nautical Inspection X86. Port Agency, Husbandry and Disbursement
- Inspection of navigational equipment and bridge procedures.
- Nautical Institute F3. Seafaring Life, Education, Professions and Institutions
- London-based professional body for navigators, founded 1972.
- Nautical Institute (NI) X160. Maritime Academies, Universities, and STCW Certification
- International professional body for ship masters and navigation officers headquartered in London, originator of the Dynamic Positioning Operator scheme.
- Nautical Institute AGM X119. Maritime Conferences, Trade Shows and Awards
- Annual general meeting of the Nautical Institute, rotating among maritime cities.
- Nautical Institute Maritime Pilots Forum X119. Maritime Conferences, Trade Shows and Awards
- Annual pilots' meeting held under Nautical Institute auspices.
- Nautical mile B3. Nautical Science
- 1852 m international nautical mile.
- Nautical Mile Buffer D3. Marine environmental science, pollution and conservation
- Distance-based protection around sensitive features.
- Nautical Mile per Hour F4. Recreational Boating, Yachting and Sport
- One knot, the standard speed unit in sailing.
- Nautical Publications A2. Maritime safety legislation: SOLAS and its codes
- Required to be up to date under SOLAS V/27.
- Nautical Publications (S-128 and ADMIRALTY) X129. Hydrographic Offices, Survey Vessels and Marine Cartography
- Reference documents complementing charts, including catalogs, light lists, tide tables, and sailing directions.
- Nautical Systems 5 X101. Vessel Brokerage Software and Chartering Platforms
- Final ABS Nautical Systems version released before the rebrand to ABS Wavesight in 2022.
- Nautical twilight X16. Nautical Science, Navigation and COLREGs
- Period when the Sun is between 6 and 12 degrees below the horizon; used for star sights.
- Nautican integrated propulsion X38. Propellers, Stern Gear and Shaft Lines
- Canadian supplier of integrated nozzle-rudder propulsion units for tugs and workboats.
- NauticAWT X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines
- Singapore-headquartered subsea consultancy providing pipeline engineering services.
- Nauticor X110. LNG Bunkering Infrastructure and Vessels
- Linde subsidiary operating LNG bunker vessels including Kairos in Northwest European ports.
- Nautikko X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS
- Wartsila NACOS Platinum chart radar and ECDIS workstation module.
- Nautilus X10. Marine Biology, Fisheries and Oceanography
- Cephalopod of the genus *Nautilus* with an external chambered shell.
- Nautilus FEM X54. Naval Architecture Software and IACS Rules
- ClassNK FEM solver used within the PrimeShip-HULL suite for direct strength assessment.
- Nautilus International F5. The Reference Layer: Glossary, Units, Signals and Information Sources
- Officer-grade UK and Dutch seafarer trade union.
- Nautilus Minerals (Historic) E4. Cruise, offshore energy and auxiliary/specialised fleets
- Pioneer deep-sea mining venture (defunct).
- Nautilus UK X102. Seafarer Welfare and Maritime Charities
- UK branch of Nautilus International, representing about 21,000 maritime professionals including officers and shore staff.
- Nautilus Yachts X125. Superyacht Industry, Builders and Brokers
- Crewed charter brand.
- NAUTIS X55. Marine Simulators, Training and Maritime Academies
- Maritime simulator family produced by VSTEP in Rotterdam, available in full mission, desktop, and cloud configurations.
- Nautor Swan F4. Recreational Boating, Yachting and Sport
- Finnish luxury yacht builder founded 1966.
- Nautor's Swan X35. Yacht and Superyacht Industry
- Finnish high-performance sailing-yacht builder in Pietarsaari, founded 1966.
- NBDP X23. AIS, GMDSS, IALA Buoyage and Aids to Navigation
- Narrow-Band Direct Printing (radiotelex), ITU-R M.476/M.625.
- NCAGE Code X75. IMDG Code, Classes, Packing and Segregation
- NATO Commercial and Government Entity Code, occasionally needed for military shipments carried under IMDG.
- NCC Vasa X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines
- Marine contractor active in subsea cable trenching in the Baltic.
- NCDEX X161. Shipbroking, Freight Derivatives, and Baltic Indices
- National Commodity and Derivatives Exchange in Mumbai that has explored freight contracts referencing Indian coastal routes.
- NCFI X44. Shipping Indices, FFAs and Freight Markets
- Ningbo Containerized Freight Index published by the Ningbo Shipping Exchange covering twenty-one outbound container trade routes from Ningbo.
- NCL X24. Cruise, Passenger Ship and Ferry Operations
- Norwegian Cruise Line, contemporary brand within Norwegian Cruise Line Holdings.
- NCM-1900 X89. ECDIS and Bridge Equipment Makers
- JRC integrated bridge alert and conning console.
- NCM-983 X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS
- JRC Bridge Navigational Watch Alarm System for SOLAS BNWAS compliance.
- NCP X126. Marine Oil Spill Response and OPRC Regimes
- US National Oil and Hazardous Substances Pollution Contingency Plan codified at 40 CFR 300.
- NCP (Net Crane Productivity) X46. Container Terminal Operations
- The moves per crane hour calculated only for productive working time, excluding delays attributable to vessel, terminal, or weather.
- NCP (New Cross Pacific) X91. Submarines and Submarine Cable Systems
- Trans-Pacific submarine cable system ready for service in 2018.
- NCPC X114. Maritime Arbitration and Shipping Law Firms
- French New Civil Procedure Code governing arbitration in France.
- NCPOR X133. Polar Research Vessels and Polar Code Regimes
- National Centre for Polar and Ocean Research, Vasco da Gama Goa, India's polar science agency.
- NCR Normal Continuous Rating X174. Marine Engine Maintenance, Overhaul, and Condition Monitoring
- Operating power level for sea-going service equivalent to CSR, typically 85 percent of MCR.
- NCR-300 X89. ECDIS and Bridge Equipment Makers
- JRC NAVTEX receiver for SOLAS vessels.
- NCR-333 X89. ECDIS and Bridge Equipment Makers
- Successor JRC NAVTEX receiver with color display.
- NCS X14. Offshore Oil and Gas Marine Operations
- Norwegian Continental Shelf.
- NCSC X139. Maritime Cybersecurity, OT Threats and Standards
- UK National Cyber Security Centre, publisher of Cyber Security for Ships Code of Practice in 2017 and 2023 update.
- NCSC Maritime Sector Guidance E1. Maritime security, geopolitics and risk
- UK National Cyber Security Centre publications.
- NCSC New Zealand X107. Maritime Cybersecurity and OT Security
- National Cyber Security Centre of New Zealand within the Government Communications Security Bureau.
- NCSC UK X25. Maritime Cybersecurity, OT and IT
- National Cyber Security Centre, part of GCHQ, established 2016.
- NCSC UK Code of Practice for Cyber Security for Ships X48. Maritime Cybersecurity
- 2017 publication by the UK Department for Transport and supporting bodies setting out principles and controls for shipboard cyber security.
- NCSR X80. Maritime Search and Rescue Coordination
- Sub-Committee on Navigation, Communications and Search and Rescue of the IMO.
- NCSR Sub-Committee A1. The IMO and the international regulatory framework
- Sub-Committee on Navigation, Communications and Search and Rescue.
- NCT 60 Cable Tractor X123. Offshore Wind Installation Vessels and Operators
- Cable-pulling tractor used during inter-array cable installation operations.
- NCTS X6. Container, Intermodal and Trade Codes
- New Computerised Transit System, EU and UK common transit declaration system.
- NCWind X78. Voyage Optimization and Vessel Performance Software
- A wind forecasting product or service occasionally referenced in maritime weather routing for offshore and coastal operations.
- NDAA (National Defense Authorization Act) X151. Maritime Sanctions, Dark Fleet, and Price Cap Regimes
- Annual U.S. legislation that has carried sanctions authorities including Section 1245 (Iran) and CAATSA-related provisions.
- NDB X31. Helicopter Operations on Ships
- Non-Directional Beacon, low-frequency radio navigation aid sometimes installed on installations.
- NDBC Buoy D5. Coastal processes, sea-level, cryosphere and ocean observation science
- NOAA National Data Buoy Center moored station.
- NDFT X165. Marine Coatings, Antifouling, and Hull Husbandry
- Nominal Dry Film Thickness, the specified target thickness for a coating layer or system in the PSPC framework.
- NDSC X124. Dredging Industry and Reclamation Contractors
- National Dredging Standards Committee, USA.
- NDT X42. Offshore Wind Installation and Cable Lay
- Non-destructive testing of welds in monopiles, transition pieces, and jackets.
- NDT (Non-Destructive Testing) B4. Shipbuilding, Materials, Sea Trials, Retrofits and Recycling
- UT, MT, PT, RT, VT methods.
- NDT Inspection X113. Drydock and Ship Repair Yards
- Drydock non-destructive testing using ultrasonics, magnetic particle, dye penetrant, or radiography to verify weld integrity.
- NDT Operator X142. Classification Societies and Class Notations
- Person certified to ISO 9712 Level II.
- NDT Survey X5. Marine Surveying and Inspection
- Non Destructive Testing survey covering MPI, DPT, UT, RT, and ET methods.
- NEAFC D4. Fisheries, aquaculture, blue economy and marine resources
- North East Atlantic Fisheries Commission.
- NEAFC Regulatory Area X87. Fishing Vessels and Fisheries Management
- High seas part of the NEAFC Convention area subject to NEAFC measures.
- Neap Tide D2. Hydrography, tides, waves, bathymetry and marine geology
- Tide with smallest range, near first and third lunar quarters.
- Neaped X3. Ship Handling, Seamanship and Deck Vocabulary
- Stranded by neap tides falling too low to refloat.
- Near miss X12. Maritime Casualties and Investigation
- Event with potential for casualty avoided by chance or intervention; ISM Code 9.1 reporting expected.
- Near miss reporting C2. Ship operations, crewing and technical management
- ISM required reporting of near miss events.
- Near-coastal voyage X21. STCW Certificates, Crewing and Seafarer Welfare
- Defined by each flag State under STCW Regulation I/3 for limited geographic CoCs.
- Near-Coastal Voyage Limitation X160. Maritime Academies, Universities, and STCW Certification
- STCW limitation defined by each flag state delineating the geographic range within which lower-tier certificates remain valid.
- Near-Miss Reporting Rate X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA
- A TMSA Element 8 leading indicator whose absolute value and trend are reviewed by inspectors.
- Near-White Blast X88. Marine Surface Preparation and Coatings Application
- Surface preparation grade SSPC-SP 10, equivalent to ISO Sa 2.5, in which staining is permitted on no more than 5 percent of each unit area.
- Nearshore Bathymetric Profile D5. Coastal processes, sea-level, cryosphere and ocean observation science
- Cross-shore depth profile near the coast.
- Neart na Gaoithe X123. Offshore Wind Installation Vessels and Operators
- 448 MW Scottish wind farm under construction, EDF Renewables operated, Siemens Gamesa SG 8.0-167 DD turbines.
- NEBA X13. Marine Salvage and Wreck Removal
- Net Environmental Benefit Analysis, framework for choosing response options.
- Nebulizer X36. Shipboard Medical, Telemedicine and Seafarer Health
- Compressor device for bronchodilator delivery in severe asthma where stocked.
- NEC Bunker Quality Disputes X72. Bunkering Hubs and Bunker Suppliers
- New Engineering Contract based dispute procedures occasionally used in bunker supply.
- NEC Corporation X91. Submarines and Submarine Cable Systems
- Japanese submarine cable systems supplier with manufacturing at OCC Kitakyushu.
- NEC OCC X122. Submarine Cable Laying, Repair Vessels and Operators
- NEC subsidiary OCC Corporation, manufacturer of submarine optical cable at the Kitakyushu plant and one of three global cable factories along with ASN Calais and SubCom Newington.
- NEC4 X42. Offshore Wind Installation and Cable Lay
- Suite of construction contracts increasingly used on UK offshore wind balance of plant scopes.
- NECA X69. EGCS Scrubbers, SCR and Marine Air Emissions
- Nitrogen Oxide Emission Control Area where Tier III applies to qualifying new ships.
- Neckar X33. Inland Navigation and Barge Operations
- German tributary of the Rhine, canalized with 27 locks between Mannheim and Plochingen.
- NEDO X57. Ocean Energy Beyond Wind
- Japan's New Energy and Industrial Technology Development Organization that funds OTEC, wave, and offshore hydrogen R&D.
- Needle decompression X36. Shipboard Medical, Telemedicine and Seafarer Health
- Emergency treatment of tension pneumothorax using large-bore cannula (advanced training required).
- Needle gun X45. Marine Paints, Coatings and Antifouling
- Pneumatic tool with reciprocating needles used for spot mechanical cleaning of welds and corners.
- Negative GM X76. Stevedoring, Lashing and Cargo Securing
- Stability condition that may amplify roll motion and aggravate lashing loads.
- Negative GM Casualty X60. Marine Salvage and Wreck Removal
- Vessel with metacentric height below zero, prone to capsize, requiring careful counter-flooding.
- Negative pitch X59. Offshore Wind O&M, CTVs and SOVs
- Blade pitch angle past the feather position, used in controlled stopping sequences.
- Negative Pledge X49. Ship Finance, Leasing and Maritime Capital Markets
- Covenant preventing creation of additional security over pledged assets.
- Negative Pressure Room X41. Cruise Ship Public Health and VSP/USPH
- Isolation accommodation occasionally specified for respiratory cases, distinct from AGE isolation.
- Negative Sequence Relay X67. Marine Electrical Systems and Shore Power
- Protection device that trips a generator under unbalanced load conditions.
- Negligence of Master or Crew X108. Marine Insurance and P&I Clubs
- An insured peril under the Inchmaree Clause, subject to absence of due diligence safeguards.
- Negotiable bill of lading C3. Logistics, freight forwarding and multimodal trade
- To order BL transferable by endorsement.
- Negotiation cycle X71. Shipbrokers and Brokerage Firms
- Iterative exchange of offers and counters in a broker channel.
- Negotiation log X71. Shipbrokers and Brokerage Firms
- Broker's chronological record of indications, offers, and counters during a deal.
- Negotiator X22. Piracy, Maritime Security and Armed Protection
- K&R response consultant managing communications with hostage takers.
- Neil Robertson stretcher X36. Shipboard Medical, Telemedicine and Seafarer Health
- Canvas-and-bamboo wraparound stretcher used in confined-space and vertical extraction.
- Neko Harbour X97. Polar Expedition Cruise and IAATO Operations
- Antarctic Peninsula mainland landing site with a Gentoo penguin colony and active glacier face.
- Nekton X10. Marine Biology, Fisheries and Oceanography
- Free-swimming animals strong enough to move against currents (fish, squid, marine mammals).
- Nektonic Pile D2. Hydrography, tides, waves, bathymetry and marine geology
- Not standard.
- NELHA X57. Ocean Energy Beyond Wind
- Natural Energy Laboratory of Hawaii Authority, the state agency that hosts OTEC and related ocean technology research.
- Nelken and Co X114. Maritime Arbitration and Shipping Law Firms
- Reference firm in Israel for maritime matters.
- Nellie Bly X109. Maritime Autonomous Surface Ships and MASS Code
- The Sea Machines Robotics autonomous tug demonstration vessel operated with Maersk in the United States.
- Nelson class X11. Naval Vessels, Warship Systems and Naval Architecture
- Royal Navy WWII battleship with 16 inch main battery forward of bridge.
- Nelson Mandela Bay X124. Dredging Industry and Reclamation Contractors
- South African deepening at Coega port executed by Jan De Nul.
- Nelson, Horatio X39. Pre-1900 Maritime History
- Royal Navy vice-admiral killed at Trafalgar, October 21, 1805.
- Nema, The [1982] AC 724 X143. Landmark Maritime Law Cases and Doctrines
- House of Lords articulated the test for granting leave to appeal arbitration awards on questions of law.
- NEMAG X169. Container Terminal Cranes, Yard Equipment, and Lashing
- Dutch maker of bulk handling grabs including the NCC clamshell and rope-controlled grabs for iron ore, coal, and grain.
- NEMO D1. Physical and chemical oceanography and marine meteorology
- Nucleus for European Modelling of the Ocean, a widely used ocean general circulation model.
- NEMO Ice Module D5. Coastal processes, sea-level, cryosphere and ocean observation science
- LIM sea ice component of the NEMO ocean model.
- NEMO Link X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines
- 1,000 MW HVDC interconnector between Richborough, UK, and Herdersbrug, Belgium, in service since 2019.
- NEOM Green Hydrogen Company X140. Ammonia as Marine Fuel and Hydrogen Shipping
- Joint venture Air Products, ACWA Power, NEOM at USD 8.4 billion for 600 t/day H2 and 1.2 Mtpa ammonia.
- Neopanamax X6. Container, Intermodal and Trade Codes
- Containership sized to the expanded Panama Canal locks.
- NEPA X42. Offshore Wind Installation and Cable Lay
- US National Environmental Policy Act, applied to BOEM offshore wind permitting through Environmental Impact Statements.
- Nepheloid Layer D1. Physical and chemical oceanography and marine meteorology
- Bottom layer with elevated suspended sediment concentrations.
- NEPIA X108. Marine Insurance and P&I Clubs
- The North of England Protecting and Indemnity Association, founded 1860 in Newcastle, which merged with the Standard Club in 2023 to form NorthStandard.
- NEPIA (North of England P&I Association) X145. P&I Clubs, War Risk Insurers, and Marine Insurance Markets
- Founded 1860 in Newcastle, merged 20 February 2023 with Standard Club to form NorthStandard.
- Neptune Declaration on Seafarer Wellbeing and Crew Change X154. Maritime Welfare, Seafarer Charities, and MLC Rights
- Industry declaration launched 8 December 2020 calling for designation of seafarers as key workers and resumption of crew changes during COVID-19.
- Neptune Maritime Security X127. Maritime Security, Anti-Piracy and PMSCs
- UK PMSC founded 2010, ISO 28007 certified, with offices in Limassol, Galle and Athens.
- Neptune Pipeline System X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines
- Gas pipeline serving Gulf of Mexico deepwater developments operated by Enterprise Products.