Glossary

Maritime glossary, terms beginning with I (page 6)

All maritime glossary terms that begin with the letter I, drawn from every subject section. 2628 entries.

Showing 250 of 2628 terms (page 6 of 11).

Inertia Coupling X54. Naval Architecture Software and IACS Rules: Cross terms in the ship's mass matrix used in coupled heave-pitch-roll motion analysis.
Inertial Aided Positioning X14. Offshore Oil and Gas Marine Operations: Combined INS and acoustic positioning for subsea reference.
Inertial measurement unit X42. Offshore Wind Installation and Cable Lay: Sensor providing motion data used in dynamic positioning and lift planning.
Inertial Measurement Unit (IMU) X96. Hull Integrity Monitoring and Strain Gauges: Integrated sensor package combining accelerometers and gyroscopes to provide motion and attitude data.
Inertial navigation system X65. ROVs, AUVs, USVs and Marine Robotics: Self-contained navigation aid using accelerometers and gyroscopes to estimate vehicle position and attitude between aiding updates.
Inertial Navigation System (INS) B3. Nautical Science: Self-contained dead-reckoning system.
Inertial Oscillation D1. Physical and chemical oceanography and marine meteorology: Free oscillation of a water parcel with period 2 pi divided by the Coriolis parameter.
Inertial Reference Unit (IRU) X132. High-Speed Craft, Hydrofoils and Ferry Operators: Sensor that provides pitch, roll and yaw information to a Jetfoil's ACS (Automatic Control System) for foil command.
Inerting X1. Cargo Science, Commodities and Cargo Care: Replacing tank atmosphere with inert gas (N2, IG) below 8% O2 for tankers, 5% for chemicals.
Inerting System X60. Marine Salvage and Wreck Removal: Equipment generating inert gas for tank atmospheres during salvage of flammable cargoes.
Inertization X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines: Filling a pipeline with nitrogen to prevent corrosion or combustion during preservation periods.
INF Code A2. Maritime safety legislation: SOLAS and its codes: International Code for the Safe Carriage of Packaged Irradiated Nuclear Fuel, mandatory under SOLAS VII.
Infauna X10. Marine Biology, Fisheries and Oceanography: Animals living within seabed sediments.
Infectious or Contagious Diseases Clause 2015 (BIMCO) X51. Maritime Arbitration, Law and BIMCO Clauses: The clause regulating refusal of orders and cost allocation in epidemic scenarios.
Infectious Substance X75. IMDG Code, Classes, Packing and Segregation: Class 6.2 substance containing pathogens capable of causing disease.
Infectious Substance Affecting Animals Only X75. IMDG Code, Classes, Packing and Segregation: UN 2900, Class 6.2 Category A.
Infectious Substance Affecting Animals UN 2900 X172. IMDG Code: Classes, Divisions, Segregation, and Key UN Numbers: Category A animal pathogen, packaged to P620.
Infectious Substance Affecting Humans X75. IMDG Code, Classes, Packing and Segregation: UN 2814, Class 6.2 Category A.
Infectious Substance Affecting Humans UN 2814 X172. IMDG Code: Classes, Divisions, Segregation, and Key UN Numbers: Category A pathogen capable of causing permanent disability, life-threatening, or fatal disease in humans, packaged to P620.
Inferior planet X16. Nautical Science, Navigation and COLREGs: Planet whose orbit lies inside Earth's, Mercury or Venus.
Infestation, Cargo X1. Cargo Science, Commodities and Cargo Care: Insect or rodent contamination; cause of rejection.
Inflatable Boom X60. Marine Salvage and Wreck Removal: Containment boom inflated on deployment, providing high freeboard for offshore conditions.
Inflatable Buoyancy Bag X167. Major Salvage Companies, Wreck Removals, and Equipment: Heavy duty bag inflated underwater to provide lift to sunken vessels or cargo.
Inflatable life raft X59. Offshore Wind O&M, CTVs and SOVs: Survival craft carried by every CTV and SOV in capacity sufficient for all persons on board.
Inflatable Pipe Plug X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines: Tool used for isolating sections of subsea pipeline during repair or commissioning.
Inflexible Riser X153. Offshore Drilling Rigs, FPSOs, and Offshore Vessels: Steel catenary riser used for dynamic production from subsea wells to floaters.
Inflow velocity field X38. Propellers, Stern Gear and Shaft Lines: Time-averaged and unsteady velocity components entering the propeller disc, measured by LDV or PIV.
Influence mine X77. Naval Mine Warfare and Mine Countermeasures: A category of sea mine triggered by acoustic, magnetic, pressure, or combined-influence sensors rather than by physical contact.
Influence sweep X77. Naval Mine Warfare and Mine Countermeasures: The towed or self-propelled generation of acoustic and magnetic fields intended to mimic a target ship and trigger influence mines.
Infor Nexus X101. Vessel Brokerage Software and Chartering Platforms: Cloud-based supply chain network developed from the GTNexus acquisition by Infor.
INFORM SyncroTESS X46. Container Terminal Operations: A real-time optimization software product by INFORM GmbH used for equipment dispatch in container, intermodal, and bulk terminals.
Informa X101. Vessel Brokerage Software and Chartering Platforms: London-listed information group that owns Lloyd's List and Lloyd's List Intelligence.
Information Bulletin X86. Port Agency, Husbandry and Disbursement: Regular agency circular covering port rules, holidays, and updates.
Information Fusion Centre Indian Ocean Region (IFC-IOR) E1. Maritime security, geopolitics and risk: India-hosted MDA hub at Gurugram.
Information Fusion Centre Singapore (IFC) E1. Maritime security, geopolitics and risk: RSN-hosted regional MDA hub.
Information Sharing and Analysis Center X48. Maritime Cybersecurity: Sector based body for sharing cyber threat information, with maritime activity centered in MTS-ISAC.
Information Sharing Centre X22. Piracy, Maritime Security and Armed Protection: Singapore based ReCAAP secretariat coordinating reporting in Asia.
Information Technology X48. Maritime Cybersecurity: Class of systems handling business data such as email, ERP, and cargo planning.
INFOSHIP X101. Vessel Brokerage Software and Chartering Platforms: SpecTec ship management software platform covering maintenance, procurement, safety, and crewing.
Infrared thermography X59. Offshore Wind O&M, CTVs and SOVs: Inspection technique used on transformer windings, switchgear, and electrical connections to detect hot spots.
Infrasound (Marine) D5. Coastal processes, sea-level, cryosphere and ocean observation science: Low-frequency sound used to monitor ice and marine events.
ING X112. IMO GHG Strategy, CII, EEXI and EU Maritime Regulation: Dutch bank and founding Poseidon Principles signatory.
ING Bank Shipping X49. Ship Finance, Leasing and Maritime Capital Markets: Dutch bank shipping franchise; ING announced exit of its global shipping client coverage in 2024.
Ingalls Shipbuilding X58. Shipbuilding Yards and Construction: Huntington Ingalls yard at Pascagoula, Mississippi, building destroyers, amphibious ships, and Coast Guard cutters.
Inge Steensland X161. Shipbroking, Freight Derivatives, and Baltic Indices: Oslo-based shipbroker founded in 1956 with strong gas and chemical desks.
Ingersoll-Rand X88. Marine Surface Preparation and Coatings Application: US manufacturer of portable air compressors used to power blast cleaning equipment.
Ingram Barge Company X103. US Inland Waterway Towing and Barge: The barge operating arm of Ingram Marine Group, headquartered in Nashville, Tennessee and active since 1946.
Ingram Marine Group X103. US Inland Waterway Towing and Barge: The Nashville, Tennessee inland operator widely recognized as the largest US inland dry cargo carrier.
Inha Technical College Marine Engineering X160. Maritime Academies, Universities, and STCW Certification: South Korean two-year college at Incheon offering marine engineering and shipping logistics diplomas.
Inhalation Hazard Zone A through D X172. IMDG Code: Classes, Divisions, Segregation, and Key UN Numbers: Subdivision of Class 6.1 Packing Group I gases and vapours based on LC50 by inhalation.
Inhalation Toxicity X75. IMDG Code, Classes, Packing and Segregation: Hazard property used to assign Class 6.1 packing groups via LC50 values for dust, mist and vapor.
Inhaul X3. Ship Handling, Seamanship and Deck Vocabulary: Rope for hauling a sail or boom inboard.
Inhaul Line X173. Mooring, Anchoring, OCIMF MEG4, and Equipment Numeral: Secondary line used to pull a heavy mooring eye onto a shore hook or bollard.
Inherent Vice X4. Marine Insurance, P&I and Claims: defect or quality in the goods causing self-destruction, excluded under ICC (A) clause 4.4.
Inhibited oil X61. Marine Lubricants and Cylinder Oils: Lubricant containing rust and oxidation inhibitors, common in turbine and hydraulic services.
Inhibitor X45. Marine Paints, Coatings and Antifouling: Chemical additive that retards corrosion at the steel-coating interface.
Inhibitor Certificate X93. IBC Code and Chemical Tanker Operations: Document issued by the cargo shipper attesting the type, concentration, and expiry date of the polymerization inhibitor in a monomer cargo.
Inhibitor Concentration X93. IBC Code and Chemical Tanker Operations: Active inhibitor level in parts per million stated on the Inhibitor Certificate and verified prior to loading.
Inhibitor Expiration X93. IBC Code and Chemical Tanker Operations: Date beyond which the polymerization inhibitor in a monomer cargo is considered ineffective, requiring re-inhibition or discharge.
Inhibitor Type X93. IBC Code and Chemical Tanker Operations: Specific chemical species used to inhibit polymerization, commonly tert-butylcatechol or hydroquinone monomethyl ether.
INHO X73. Marine Hydrography, Charting and ENC: Indian National Hydrographic Office.
INI Steel X92. Marine Steel Suppliers and Shipbuilding Plate: Former South Korean steelmaker merged into Hyundai Steel to form HD Hyundai Steel.
Inipol EAP 22 X126. Marine Oil Spill Response and OPRC Regimes: Oleophilic nutrient fertilizer used at Prince William Sound for bioremediation.
Initial Action X80. Maritime Search and Rescue Coordination: First operational response by an RCC upon receipt of an alert.
Initial boiling point (IBP) X2. Marine Bunker Fuels, Lubricants and Bunkering Operations: Lowest distillation temperature for a distillate fuel.
Initial Certificate of Class X142. Classification Societies and Class Notations: First class certificate issued upon completion of newbuilding surveys.
Initial Cool-Down X20. LNG Operations and Custody Transfer: First cool-down on a newbuild or after dry-dock, performed slowly to limit thermal stress.
Initial fill X61. Marine Lubricants and Cylinder Oils: Lubricant charge supplied by the engine builder for the first running period of a new engine.
Initial GHG Strategy X112. IMO GHG Strategy, CII, EEXI and EU Maritime Regulation: IMO strategy adopted by Resolution MEPC.304(72) on 13 April 2018, superseded in 2023 by MEPC.377(80).
Initial GHG Strategy 2018 (IMO) D6. Decarbonization, emissions and alternative fuels: First IMO climate strategy, since revised in 2023.
Initial inspection X7. Flag State, Port State Control and Detention Vocabulary: First stage of PSC inspection, comprising verification of certificates and overall condition.
Initial inspection (BW) X18. Ballast Water, Biofouling and Antifouling: First survey after BWMS installation for issue of the IBWMC.
Initial Margin X44. Shipping Indices, FFAs and Freight Markets: Clearing house collateral requirement opened against an FFA position to absorb potential one-day price movements.
Initial Period X53. Marine Insurance, P&I and Hull Clauses: The initial fixed period of a policy or charter, after which cancellation or variation may be possible.
Initial procedural order X152. Maritime Arbitration and Dispute Resolution: Tribunal's first order typically setting timetable, language, electronic filing, IBA Rules adoption, and document production methodology.
Initial Public Offering X49. Ship Finance, Leasing and Maritime Capital Markets: Sale of common equity to the public by a shipping company seeking a listing.
Initial Quantity X72. Bunkering Hubs and Bunker Suppliers: Quantity calculated from first sound measurements before the start of bunker transfer.
Initial Recognition (TMSA) X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA: The starting status of an operator entering the TMSA program before self-assessment is submitted.
Initial Security (SCOPIC Clause 4) X99. Marine Salvage Awards and SCOPIC: USD 3 million security to be provided by the P&I Club within two working days of SCOPIC invocation.
Initial Sounding X115. Marine Bunker and Cargo Surveying: First set of tank soundings taken at the start of a bunker or cargo operation, defining the opening quantity baseline.
Initial stability B1. Naval Architecture: Stability range described by GM at small heel.
Initial Strategy (IMO) X34. Decarbonization, Alternative Fuels and Carbon Pricing: See IMO Initial Strategy 2018.
Initial Survey A2. Maritime safety legislation: SOLAS and its codes: First survey before issuance of a certificate under SOLAS I/7-10.
Initial survey (AFS) X18. Ballast Water, Biofouling and Antifouling: Survey for the issuance of the AFS Certificate verifying compliance with prohibitions.
Initial Survey, HKC X50. Ship Recycling, Demolition and Hong Kong Convention: The first survey for issuance of the International Certificate on Inventory of Hazardous Materials.
Injection quill X61. Marine Lubricants and Cylinder Oils: Tube and check valve assembly through which cylinder oil is delivered to the liner from the lubricator.
Injection timing B2. Marine Engineering: Crank-angle reference for start of injection.
Inland AIS C2. Ship operations, crewing and technical management: AIS for inland waterways under EU directives.
Inland AIS Emissions Estimation D6. Decarbonization, emissions and alternative fuels: Use of AIS to estimate inland waterway emissions.
Inland Barge Move X104. Project Cargo Forwarders and Heavy Transport: River or canal leg of a project shipment between sea port and final site.
Inland Carrier Liability X51. Maritime Arbitration, Law and BIMCO Clauses: The body of national law and contract terms governing carriage on the land legs of a through transport.
Inland Clearance Depot X104. Project Cargo Forwarders and Heavy Transport: Inland customs facility used for clearance of project cargo before final delivery.
Inland container depot C3. Logistics, freight forwarding and multimodal trade: ICD or dry port.
Inland Container Depot Coordination X86. Port Agency, Husbandry and Disbursement: Coordination with inland depots for empty and laden boxes.
Inland customs depot C3. Logistics, freight forwarding and multimodal trade: Customs office in inland location.
Inland Diver X82. Saturation Diving and Offshore Diving Operations: Diver category limited to inland and inshore work.
Inland Dredging Association X124. Dredging Industry and Reclamation Contractors: US Mississippi river dredging trade body.
Inland ECDIS X33. Inland Navigation and Barge Operations: Standardized electronic chart system for European inland waterways.
Inland ENC X73. Marine Hydrography, Charting and ENC: See IENC.
Inland freight C1. Commercial shipping, chartering, economics and finance: Freight for movement of cargo from inland origin to port.
Inland Lake Yachting Association F4. Recreational Boating, Yachting and Sport: US Great Lakes regional sailing body.
Inland Marine Hull Policy X103. US Inland Waterway Towing and Barge: A marine insurance policy specifically written for inland barges and towboats.
Inland Marine Repair X113. Drydock and Ship Repair Yards: Drydocking and repair of barges, towboats, and inland tankers on US and European inland waterways.
Inland Movement of Ship Recycling Waste X50. Ship Recycling, Demolition and Hong Kong Convention: The Basel Convention transboundary movement provisions applied within importing state borders.
Inland navigation pilot X32. Marine Pilotage and Pilot Operations: Pilot for inland waters including rivers, lakes, and intracoastal waterways.
Inland Navigation Rules Act of 1980 X33. Inland Navigation and Barge Operations: US statute codifying inland navigation rules, implemented at 33 CFR Part 83.
Inland pilot X32. Marine Pilotage and Pilot Operations: Pilot endorsed for inland waters under national legislation.
Inland point intermodal X6. Container, Intermodal and Trade Codes: IPI, through service from origin port to an inland US destination.
Inland port C4. Ports, terminals and coastal/marine civil engineering: Port on inland waterway.
Inland Rules X33. Inland Navigation and Barge Operations: US navigation rules applicable on inland waters as defined in 33 CFR Part 83.
Inland Sea Pilots Japan X159. Marine Pilotage, Pilot Districts, and Pilots' Associations: Naikai Pilots Association handling foreign vessels through the Akashi, Bisan Seto, Kurushima, and Hayasui straits.
Inland Tank Barge X103. US Inland Waterway Towing and Barge: A tank barge constructed for service on US inland and intracoastal waters, with typical principal dimensions near 297 by 54 by 12 feet.
Inland tanker (Type C) B5. Ship Types and Individual Vessels: ADN classified inland tanker.
Inland Towing X79. Tugs and Towage Industry: Towage of barges on rivers and inland waterways, especially extensive on the US inland river system.
Inland Transit Cover X4. Marine Insurance, P&I and Claims: insurance for the inland leg of a through transit.
Inland Tug X137. Harbour Tugs, Towage Operators and Tug Builders: Tug optimized for river and canal work, generally shallow draft and lower BP than coastal harbour tugs.
Inland Vessel Notation X54. Naval Architecture Software and IACS Rules: Class notation issued by IACS societies for vessels operating on rivers and lakes.
Inland Waters Reservation X99. Marine Salvage Awards and SCOPIC: Permitted reservation under Article 30 of the Salvage Convention covering salvage in non-tidal waters.
Inland waterway C4. Ports, terminals and coastal/marine civil engineering: Navigable river, canal, or lake under CEMT classification.
Inland Waterway MASS X109. Maritime Autonomous Surface Ships and MASS Code: A MASS configured for rivers and canals such as the Roboat platform tested in Amsterdam.
Inland Waterway Restrictions X69. EGCS Scrubbers, SCR and Marine Air Emissions: Bans on open-loop EGCS discharge in selected inland waterways such as German rivers.
Inland Waterway Vessel E4. Cruise, offshore energy and auxiliary/specialised fleets: River/canal cargo or passenger craft.
Inland Waterways Authority of India (IWAI) X166. Inland Waterways, Ferries, RoRo, and Short Sea Shipping: The 1986-constituted statutory body administering India's National Waterways under the Ministry of Ports, Shipping and Waterways.
Inland Waterways Trust Fund X103. US Inland Waterway Towing and Barge: A federal trust fund financed by a barge fuel tax that supports USACE inland navigation construction and major rehabilitation.
Inland Waterways Users Board X33. Inland Navigation and Barge Operations: US federal advisory committee on inland navigation infrastructure investment.
Inlet Box CP X100. Marine Cathodic Protection and Anodes: Cathodic protection arrangement inside sea inlet chests, often combining sacrificial anodes with an MGPS.
Inlet Cone X69. EGCS Scrubbers, SCR and Marine Air Emissions: Diverging section distributing exhaust evenly across the scrubber cross-section.
Inlet guide vanes (turbo) B2. Marine Engineering: Variable IGV controlling compressor mass flow.
Inlet Quench X69. EGCS Scrubbers, SCR and Marine Air Emissions: Initial water spray cooling exhaust gas at scrubber inlet to operating temperature.
Inlet stabilization X175. Port Engineering, Dredging, Breakwaters, and Quays: Construction of jetties or training walls at a tidal inlet to fix its position and improve navigation.
Inlet Strainer X63. Marine Auxiliary Machinery and Pumps: Filter screen on pump suction protecting impeller and sealing surfaces from solids.
Inlet valve X19. Engine Room Watchkeeping and UMS Operations: Air admission valve on four stroke engines, set under PMS.
Inman & Co Adjusters X157. Marine Loss Adjusters, GA Practice, and Casualty Firms: Historic London average adjusters.
Inman Line X39. Pre-1900 Maritime History: Liverpool-based steamship company founded by William Inman in 1850 as a rival to Cunard.
Inmarsat X16. Nautical Science, Navigation and COLREGs: Satellite communications provider for GMDSS and commercial services.
Inmarsat A X68. Maritime Satcom and Telecommunications: First-generation analog satellite voice and telex service for ships, now retired.
Inmarsat B X68. Maritime Satcom and Telecommunications: Digital successor to Inmarsat A providing voice, telex, fax, and data, now retired.
Inmarsat Bunker Position Verification X72. Bunkering Hubs and Bunker Suppliers: Use of satellite AIS reports by surveyors to verify barge position during a bunker delivery.
Inmarsat C E3. Technology, digitalization and smart shipping: Polling/EGC/SafetyNET service in GMDSS.
Inmarsat C (Fishing Vessel) X87. Fishing Vessels and Fisheries Management: Standard VMS terminal class historically used for vessel monitoring transmissions.
Inmarsat Cable Landing X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines: Coastal sites supporting satellite ground stations also used as fiber landing points.
Inmarsat D+ X68. Maritime Satcom and Telecommunications: Two-way short message and tracking service used in some legacy maritime asset applications.
Inmarsat Fleet X16. Nautical Science, Navigation and COLREGs: Voice/data service (legacy).
Inmarsat Fleet 33 X68. Maritime Satcom and Telecommunications: Retired L-band Fleet service designed for small vessels.
Inmarsat Fleet 55 X68. Maritime Satcom and Telecommunications: Retired mid-tier L-band Fleet service for medium vessels.
Inmarsat Fleet 77 X68. Maritime Satcom and Telecommunications: Retired high-tier L-band Fleet service providing ISDN and voice for large vessels.
Inmarsat Fleet Data X78. Voyage Optimization and Vessel Performance Software: An Internet of Things gateway service from Inmarsat that aggregates onboard data and delivers it via satellite to shoreside analytics applications.
Inmarsat Fleet Express E3. Technology, digitalization and smart shipping: Inmarsat managed VSAT service.
Inmarsat Fleet One, FleetBroadband, FleetXpress, NexusWave X148. Maritime Cybersecurity, IACS Cyber Rules, and Incidents: Successive Inmarsat maritime services, all of which present management interfaces requiring hardening.
Inmarsat Fleet Secure X139. Maritime Cybersecurity, OT Threats and Standards: Maritime cybersecurity service launched 2018 by Inmarsat, now Viasat, providing endpoint protection and unified threat management.
Inmarsat Fleet Xpress X48. Maritime Cybersecurity: Satellite broadband service widely used by merchant ships, comprising Ka band and L band components.
Inmarsat FleetBroadband X16. Nautical Science, Navigation and COLREGs: Higher-bandwidth IP service.
Inmarsat I-3, I-4, I-5, I-6 X23. AIS, GMDSS, IALA Buoyage and Aids to Navigation: Successive generations of Inmarsat geostationary satellites in L-band and Ka-band.
Inmarsat M X68. Maritime Satcom and Telecommunications: Retired digital voice and low-rate data service.
Inmarsat Mini-C X68. Maritime Satcom and Telecommunications: Smaller-antenna variant of Inmarsat C used widely for distress, safety, and tracking.
Inmarsat Mini-M X68. Maritime Satcom and Telecommunications: Retired compact digital voice and data service that succeeded Inmarsat M.
Inmarsat ORCHESTRA X68. Maritime Satcom and Telecommunications: Inmarsat roadmap for an integrated GEO, LEO, and terrestrial 5G network announced for the latter half of the 2020s.
Inmarsat SafetyNET X36. Shipboard Medical, Telemedicine and Seafarer Health: Free broadcast service for medical advice messages.
Inmarsat Solutions X74. AIS Data, Vessel Tracking and Maritime Intelligence: Former arm of Inmarsat that acted as an Application Service Provider for LRIT.
Inmarsat-C medical message X36. Shipboard Medical, Telemedicine and Seafarer Health: Free safety messaging service used to relay medical consultations to TMAS.
INMEX China X119. Maritime Conferences, Trade Shows and Awards: Biennial trade show for the Chinese marine industry, organized by Informa.
INMEX SMM India X119. Maritime Conferences, Trade Shows and Awards: Biennial international marine exhibition launched 2009 at Bombay Exhibition Centre, joint venture of Informa Markets India and Hamburg Messe.
INMEX Vietnam X119. Maritime Conferences, Trade Shows and Awards: Biennial Hanoi or Ho Chi Minh City marine trade fair since 2013.
Innage X1. Cargo Science, Commodities and Cargo Care: Depth of liquid measured from tank bottom; opposite of ullage.
Inner array cable X42. Offshore Wind Installation and Cable Lay: Synonym for array cable, the medium voltage submarine cable network within a wind farm.
Inner Bottom (Reg 19 Annex I) X171. MARPOL 73/78: Annex-by-Annex Detailed Glossary: The deck plating bounding cargo tanks above, with minimum distance specified under double bottom requirements.
Inner bottom plate X58. Shipbuilding Yards and Construction: Watertight tank top plating above the double bottom.
Inner forestay X3. Ship Handling, Seamanship and Deck Vocabulary: Stay inboard of and parallel to the main forestay.
Inner harbor pilot X32. Marine Pilotage and Pilot Operations: Pilot whose license is confined to inner harbor movements.
Inner Mongolia-Liaoning HVDC X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines: Long-distance Chinese DC link with submarine crossings in coastal sections.
Inner Packaging X75. IMDG Code, Classes, Packing and Segregation: Receptacle inside a combination packaging that contains the dangerous goods directly.
Inner Receptacle X75. IMDG Code, Classes, Packing and Segregation: Component of a composite packaging that contains the contents and is rigidly retained by the outer.
Inner Route X159. Marine Pilotage, Pilot Districts, and Pilots' Associations: Coastal passage between the Great Barrier Reef and the Queensland coast within which compulsory pilotage is required for laden tankers and large vessels.
Innocent Passage A6. Public international law of the sea: Right of foreign ships through the territorial sea under UNCLOS Articles 17-32.
Innocent Passage of Warships E2. Naval, defence and maritime law enforcement: Permitted under UNCLOS subject to debate over prior notice.
Innomar SES-2000 Compact X129. Hydrographic Offices, Survey Vessels and Marine Cartography: Parametric sub-bottom profiler from Innomar producing narrow beam, high-resolution profiles in shallow waters down to about 1 meter resolution.
Innomar SES-2000 Deep X129. Hydrographic Offices, Survey Vessels and Marine Cartography: Deepwater variant of Innomar's parametric sub-bottom profiler series, used down to several thousand meters.
Innomar SES-2000 Medium X129. Hydrographic Offices, Survey Vessels and Marine Cartography: Mid-range parametric sub-bottom profiler used on coastal and harbor surveys.
Innominate Term Doctrine X143. Landmark Maritime Law Cases and Doctrines: Hong Kong Fir doctrine permitting termination only for breach with serious consequences.
InnoTrans X119. Maritime Conferences, Trade Shows and Awards: Biennial Berlin rail trade fair with intermodal and port rail pavilion, founded 1996.
Innovation X42. Offshore Wind Installation and Cable Lay: HGO InfraSea Solutions jack-up installation vessel widely deployed in European offshore wind projects.
Innoviz LiDAR X109. Maritime Autonomous Surface Ships and MASS Code: A solid state LiDAR product family with marinized variants used in some MASS perception stacks.
Inorganic Nutrient D3. Marine environmental science, pollution and conservation: Nitrate, ammonium, phosphate, and silicate dissolved in seawater.
Inorganic Peroxides X75. IMDG Code, Classes, Packing and Segregation: Such as UN 1483 magnesium peroxide, Class 5.1 oxidizer.
Inorganic Zinc Silicate X88. Marine Surface Preparation and Coatings Application: Single-package or two-component primer with ethyl silicate or alkali silicate binder loaded with zinc dust at typically 75 to 80 percent by weight in the dry film.
Inox Marine X125. Superyacht Industry, Builders and Brokers: Sub-supplier of stainless steel deck hardware.
Inquiry X71. Shipbrokers and Brokerage Firms: Charterer's request circulated by brokers to qualified owners.
Inquisitorial approach X152. Maritime Arbitration and Dispute Resolution: Tribunal-led fact gathering more typical in civil law jurisdictions and in some CMAC practice.
INS X89. ECDIS and Bridge Equipment Makers: Integrated Navigation System per IMO Resolution MSC.252(83) Annex 1.
INS Aridhaman X91. Submarines and Submarine Cable Systems: Indian Navy Arihant-class ballistic missile submarine, third of class.
INS Arighaat X91. Submarines and Submarine Cable Systems: Indian Navy Arihant-class ballistic missile submarine, second of class.
INS Arihant X11. Naval Vessels, Warship Systems and Naval Architecture: Indian Navy first indigenous SSBN, commissioned 2016.
INS Kalvari X91. Submarines and Submarine Cable Systems: Lead boat of the Indian Navy Kalvari-class Scorpene submarines.
INS Karanj X91. Submarines and Submarine Cable Systems: Indian Navy Kalvari-class Scorpene submarine.
INS Khanderi X91. Submarines and Submarine Cable Systems: Indian Navy Kalvari-class Scorpene submarine.
INS Vagir X91. Submarines and Submarine Cable Systems: Indian Navy Kalvari-class Scorpene submarine.
INS Vagsheer X91. Submarines and Submarine Cable Systems: Indian Navy Kalvari-class Scorpene submarine.
INS Vela X91. Submarines and Submarine Cable Systems: Indian Navy Kalvari-class Scorpene submarine.
INS Vikramaditya X11. Naval Vessels, Warship Systems and Naval Architecture: Indian Navy STOBAR carrier converted from Russian Admiral Gorshkov.
INS Vikrant X11. Naval Vessels, Warship Systems and Naval Architecture: Indian Navy indigenous aircraft carrier IAC-1, commissioned 2022, STOBAR.
INSA (Iranian National Shipping Agency) X151. Maritime Sanctions, Dark Fleet, and Price Cap Regimes: One designation among several Iran-shipping designations across U.S. and EU lists.
InSAR (Interferometric SAR) D5. Coastal processes, sea-level, cryosphere and ocean observation science: Technique using radar phase to measure surface deformation.
Insert Bar X100. Marine Cathodic Protection and Anodes: The steel bar cast inside a sacrificial anode for mechanical support and electrical connection.
Insert Tube X63. Marine Auxiliary Machinery and Pumps: Sleeve fitted inside boiler tubes to control circulation or protect against erosion.
Inset X73. Marine Hydrography, Charting and ENC: A larger-scale supplementary panel on a paper chart, conceptually replaced by higher usage band ENC cells.
Inshore X3. Ship Handling, Seamanship and Deck Vocabulary: Toward the shore.
Inshore Fishery D4. Fisheries, aquaculture, blue economy and marine resources: Small-scale fishery operating near shore.
Inshore Series F4. Recreational Boating, Yachting and Sport: Coastal racing series at club level.
Inshore Squadron F1. Maritime History: Royal Navy close-blockade force off Brest during the Napoleonic Wars.
Inshore Survey Boat X129. Hydrographic Offices, Survey Vessels and Marine Cartography: Small craft, typically under 8 meters, fitted with shallow-water multibeam and INS, used in marinas and ports.
Inshore Traffic Zone B3. Nautical Science: Defined zone between TSS and coast.
Inshore traffic zone (ITZ) X16. Nautical Science, Navigation and COLREGs: Area between landward boundary of a TSS and the coast, governed by COLREGs Rule 10(d).
Inshore tug X15. Ports, Terminals and Stevedoring: small tug used in shallow harbors.
Inshore Vessel X87. Fishing Vessels and Fisheries Management: Fishing vessel typically operating within 12 nautical miles of the coast under coastal state rules.
Inside cabin X64. Cruise Industry Operators, Brands and Ships: Stateroom category without a window or balcony.
Inside Passage X85. Ferries, Ro-Pax Operators and Routes: Sheltered British Columbia and Southeast Alaska waterway followed by BC Ferries and Alaska Marine Highway System.
Insider Threat E1. Maritime security, geopolitics and risk: Cyber/security risk from authorized personnel.
InsightVM X107. Maritime Cybersecurity and OT Security: Vulnerability management product from Rapid7.
Insignia X64. Cruise Industry Operators, Brands and Ships: Oceania Cruises R-class ship operated since 2004.
INSLC (International Navigation Simulator Lecturers' Conference) X144. Bridge Simulators, Engine Room Simulators, and Maritime Training Equipment: Biennial conference of simulator instructors, 22nd edition hosted in 2022.
Insolvency Clause X53. Marine Insurance, P&I and Hull Clauses: A reinsurance clause defining the reinsurer's obligations when the cedant becomes insolvent, often under New York law for US placements.
Insolvency of Charterer X51. Maritime Arbitration, Law and BIMCO Clauses: Events affecting a charterer's solvency, often a contractual ground for withdrawal under a time charter.
Inspected Towing Vessel X103. US Inland Waterway Towing and Barge: A towing vessel certificated under Subchapter M of 46 CFR.
Inspection X71. Shipbrokers and Brokerage Firms: Buyer's vessel survey arranged through the S&P broker.
Inspection (Annex VI Reg 11) X171. MARPOL 73/78: Annex-by-Annex Detailed Glossary: The right of port States to inspect a ship under MARPOL Annex VI to verify compliance with emission and certificate requirements.
Inspection (chart) X16. Nautical Science, Navigation and COLREGs: Visual check of a chart before use.
Inspection and Assurance Methodology (RightShip) X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA: The RightShip-developed risk-based methodology integrating Star Rating, GHG, and inspection data.
Inspection bay X15. Ports, Terminals and Stevedoring: physical examination area at customs gates.
Inspection Body X75. IMDG Code, Classes, Packing and Segregation: Body authorized by competent authority to inspect and approve IMDG packagings and portable tanks.
Inspection Booking X40. Tanker Vetting, SIRE and VIQ: The scheduling of a SIRE inspection between a Submitting Member, the operator, and the assigned inspector.
Inspection Booking (SIRE 2.0) X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA: The operator-initiated request to OCIMF for an inspection, including port, ETA, and operator preferences.
Inspection by Class Surveyor X113. Drydock and Ship Repair Yards: Attendance of recognized class society surveyors during drydock to credit periodic surveys and approve repairs.
Inspection by Recycling State X147. Ship Recycling, Hong Kong Convention, and Recycling Yards: Verification by port-state-like surveyors at the recycling facility to confirm SRP compliance.
Inspection Class ROV X60. Marine Salvage and Wreck Removal: Lightweight ROV used for damage assessment surveys of a casualty.
Inspection Clause X29. Ship Sale and Purchase, Management Contracts and Valuation: NSF 2012 Clause 4 covering buyers' inspection rights.
Inspection Cycle X40. Tanker Vetting, SIRE and VIQ: The interval, typically not exceeding 6 months for active tankers, between successive SIRE inspections.
Inspection database X7. Flag State, Port State Control and Detention Vocabulary: THETIS for Paris MoU and APCIS for Tokyo MoU, storing PSC results.
Inspection Editor X40. Tanker Vetting, SIRE and VIQ: An OCIMF role through which a Submitting Member's reviewer can request clarifications from the inspector before final publication.
Inspection Fee Schedule X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA: The OCIMF, CDI, or RightShip fee structure that the requesting party pays for inspection services.
Inspection Hatch X69. EGCS Scrubbers, SCR and Marine Air Emissions: Maintenance access on scrubber towers, demisters and sumps.
Inspection Hold Point X104. Project Cargo Forwarders and Heavy Transport: Point in a project transport plan where third party inspection must occur before progress.
Inspection Interval X66. Port State Control and Regional MOUs: Time between successive PSC inspections, set by Ship Risk Profile under Paris MOU NIR.
Inspection of Recycling X28. Ship Recycling and End-of-Life: Port State control inspection of HKC documents and visible IHM compliance.
Inspection of Yards under EU SRR X50. Ship Recycling, Demolition and Hong Kong Convention: The Article 15 program of European Commission verification visits to listed facilities.
Inspection Plate X75. IMDG Code, Classes, Packing and Segregation: Identification plate on portable tanks bearing approval details under IMDG 6.7.
Inspection Priority I X146. Port State Control Regimes, MoUs, and Inspection Systems: Under the Paris MoU NIR, a ship that must be inspected because the inspection window has closed.
Inspection Priority II X146. Port State Control Regimes, MoUs, and Inspection Systems: Under the Paris MoU NIR, a ship that may be inspected because the inspection window has opened.
Inspection regime C2. Ship operations, crewing and technical management: Combination of PSC, vetting, and class inspections.
Inspection regime (Australia) X18. Ballast Water, Biofouling and Antifouling: Biosecurity inspections by Australian Government biosecurity officers on arrival.
Inspection Report X7. Flag State, Port State Control and Detention Vocabulary: Form A and Form B in Paris MoU recording inspection particulars and deficiencies.