Glossary
Maritime glossary, terms beginning with I (page 9)
All maritime glossary terms that begin with the letter I, drawn from every subject section. 2628 entries.
Showing 250 of 2628 terms (page 9 of 11).
- Inundation flooding (tidal range) X57. Ocean Energy Beyond Wind
- Concern about altered hydrodynamics in estuaries hosting tidal barrages or lagoons.
- Invar X20. LNG Operations and Custody Transfer
- 36 percent Ni iron alloy with very low CTE used as primary and secondary membrane in NO96 systems.
- Invar (36% Ni) B4. Shipbuilding, Materials, Sea Trials, Retrofits and Recycling
- Low-CTE alloy used in LNG membrane tanks.
- Invasive Alien Species D3. Marine environmental science, pollution and conservation
- Non-native species causing ecological or economic harm.
- Invasive aquatic species (IAS) X18. Ballast Water, Biofouling and Antifouling
- IMO terminology for non-native aquatic species causing harm in the receiving environment.
- Invasive species (marine renewable) X57. Ocean Energy Beyond Wind
- Ecological risk associated with biofouling and shipping at marine renewable construction sites.
- Inventories of bunkers C1. Commercial shipping, chartering, economics and finance
- Stocktake of bunkers on board at delivery and redelivery.
- Inventory Item Threshold X50. Ship Recycling, Demolition and Hong Kong Convention
- The HKC and EU SRR thresholds above which a substance must be listed in the IHM, set at material-specific concentrations in MEPC.269(68).
- Inventory of Hazardous Materials Certificate X28. Ship Recycling and End-of-Life
- Certificate evidencing approval of the IHM Part I.
- Inventory of Hazardous Materials Survey X43. Marine Surveying and Warranty Surveying
- A physical sampling and documentary inspection to produce the IHM required under the Hong Kong Convention and EU Ship Recycling Regulation.
- Inventory Update Following Refit X50. Ship Recycling, Demolition and Hong Kong Convention
- The MEPC.269(68) requirement to revise the IHM after every drydocking, retrofit, or major equipment change.
- Inventory Verification Survey X28. Ship Recycling and End-of-Life
- Survey confirming the IHM accuracy before issuance of the IRRC.
- Inverness X85. Ferries, Ro-Pax Operators and Routes
- Scottish Highland city associated with NorthLink Ferries head office for Orkney and Shetland services.
- Inverse Barometer Effect D2. Hydrography, tides, waves, bathymetry and marine geology
- Sea level adjustment to atmospheric pressure changes.
- Inverse curve cure X45. Marine Paints, Coatings and Antifouling
- Cure behavior of solvent-free epoxies that gel faster at higher temperature.
- Inversion (Estuarine) D3. Marine environmental science, pollution and conservation
- Reversed salinity gradient under drought conditions.
- Invertebrate X10. Marine Biology, Fisheries and Oceanography
- Animal lacking a vertebral column.
- Inverted assembly X58. Shipbuilding Yards and Construction
- Block assembly with the unit upside down to allow downhand welding of bottom seams.
- Inverted Catenary X81. Project Cargo, Heavy-Lift and Module Carriers
- Mooring configuration used on some FPSO and FSRU turret systems.
- Inverted construction X58. Shipbuilding Yards and Construction
- Fabrication of blocks in inverted position for easier welding access.
- Inverted echo sounder X27. Polar Code, Ice Navigation and Polar Operations
- Measures sea ice draft from below; used for in-situ keel measurement.
- Inverted Twistlock X9. Cargo Securing, Lashing and Stability Vocabulary
- Twistlock oriented for stacking on hatch cover.
- Inverter X19. Engine Room Watchkeeping and UMS Operations
- Power electronic converter producing AC from DC, used in HVAC and shaft generator hybrids.
- Inverter (drive) B2. Marine Engineering
- DC-AC converter in propulsion drives.
- Inverter (electrical) X16. Nautical Science, Navigation and COLREGs
- DC-to-AC converter; common bridge equipment item.
- Inverter Drive Reefer X136. Reefer Vessels and Cool Chain Operators
- Reefer container unit with variable speed compressor drive, reducing energy use by up to 65 percent over fixed-speed systems.
- Inverter Substation X91. Submarines and Submarine Cable Systems
- Onshore facility converting HVDC submarine power link energy to AC for grid feed-in.
- Investigation Code definitions X163. Marine Accident Investigation Agencies and Landmark Inquiries
- Defined terms in MSC.255(84) including marine casualty, very serious marine casualty, serious marine casualty, marine incident, marine safety investigation, marine safety investigating State…
- Investigation in lieu of X12. Maritime Casualties and Investigation
- Arrangement allowing one state to investigate on behalf of another with consent.
- Investigation report register X12. Maritime Casualties and Investigation
- Public listing of safety investigation reports, maintained by states and aggregated in GISIS.
- Investigation report submission to IMO X163. Marine Accident Investigation Agencies and Landmark Inquiries
- Obligation under the Casualty Investigation Code to submit the final marine safety investigation report to the IMO for inclusion in the GISIS Casualty Module.
- Investigator-in-charge X12. Maritime Casualties and Investigation
- Lead investigator designated by the safety investigation authority.
- Investigator, HMS X39. Pre-1900 Maritime History
- Royal Navy sloop in which Matthew Flinders circumnavigated and charted Australia from 1801 to 1803.
- Investment Grade Shipping Issuer X49. Ship Finance, Leasing and Maritime Capital Markets
- Rare category of shipping companies rated investment grade by major agencies.
- Investment Tribunal X114. Maritime Arbitration and Shipping Law Firms
- ICSID-style panel that has handled port-related disputes.
- Investor-state arbitration X152. Maritime Arbitration and Dispute Resolution
- Treaty-based arbitration of investor claims against states under BITs; rare for shipowners outside port investment claims.
- Inviscid flow B1. Naval Architecture
- Idealized flow neglecting viscosity.
- Invocation of SCOPIC X99. Marine Salvage Awards and SCOPIC
- Formal step by which the contractor brings SCOPIC into force by written notice to the shipowner.
- INVRPT X6. Container, Intermodal and Trade Codes
- Inventory Report Message, EDIFACT message reporting equipment or stock inventory.
- Inward Clearance Bundle X86. Port Agency, Husbandry and Disbursement
- Documents required for inward clearance bundled by the agent.
- Inward investment X42. Offshore Wind Installation and Cable Lay
- Public funding or grants attracting offshore wind manufacturing facilities to port regions.
- Inward Pilotage Charge X86. Port Agency, Husbandry and Disbursement
- Pilotage charge for inbound transit, billed through the agent.
- Inward Reinsurance X4. Marine Insurance, P&I and Claims
- reinsurance accepted by an insurer or reinsurer.
- IOC X10. Marine Biology, Fisheries and Oceanography
- Intergovernmental Oceanographic Commission of UNESCO.
- IOC (Intergovernmental Oceanographic Commission) X129. Hydrographic Offices, Survey Vessels and Marine Cartography
- UNESCO body partnering with IHO on GEBCO and other ocean mapping programmes.
- IoC Indicator of Compromise X25. Maritime Cybersecurity, OT and IT
- Forensic artifact such as a hash, IP or domain associated with malicious activity.
- IOC-UNESCO D1. Physical and chemical oceanography and marine meteorology
- Intergovernmental Oceanographic Commission of UNESCO, coordinating ocean science globally.
- Iodine Test Strip X41. Cruise Ship Public Health and VSP/USPH
- Indicator used to verify iodine sanitizer concentration in three-compartment sinks where iodine is selected.
- IODP D2. Hydrography, tides, waves, bathymetry and marine geology
- International Ocean Discovery Program for scientific ocean drilling.
- IOGP X42. Offshore Wind Installation and Cable Lay
- International Association of Oil and Gas Producers, whose standards influence offshore wind H&S documentation.
- IOMOU X146. Port State Control Regimes, MoUs, and Inspection Systems
- The shorthand abbreviation often used for the Indian Ocean MoU.
- IOMOU Information System X66. Port State Control and Regional MOUs
- Indian Ocean Computerized Information System.
- IOMOU Member States X66. Port State Control and Regional MOUs
- Australia, Bangladesh, Comoros, Djibouti, Eritrea, France (Reunion), India, Iran, Kenya, Madagascar, Maldives, Mauritius, Mozambique, Myanmar, Oman, Seychelles, South Africa, Sri Lanka, Sudan…
- IOMSR (Isle of Man Ship Registry) X156. Superyacht Industry, Builders, and Yacht Charter Market
- Red Ensign Category 1 registry administered by the Isle of Man Government for commercial and pleasure yachts.
- Ion Generator X100. Marine Cathodic Protection and Anodes
- A controlled electrochemical source of metal ions, such as the copper and aluminum electrodes of an MGPS.
- ION Markets (January 2023) X148. Maritime Cybersecurity, IACS Cyber Rules, and Incidents
- The 31 January 2023 LockBit ransomware attack on ION Cleared Derivatives, disrupting commodities and shipping derivatives trading.
- IOPC 1971 Fund X171. MARPOL 73/78: Annex-by-Annex Detailed Glossary
- The original International Oil Pollution Compensation Fund established by the 1971 Fund Convention, terminated on 24 May 2002.
- IOPC 1992 Fund X171. MARPOL 73/78: Annex-by-Annex Detailed Glossary
- The International Oil Pollution Compensation Fund established by the 1992 Fund Convention, providing compensation beyond CLC 1992 limits.
- IOPC Fund 1992 X158. IMO Conventions, Protocols, Codes, and Resolutions
- The international fund established under the 1992 Fund Protocol providing second-tier oil pollution compensation.
- IOPC Funds X13. Marine Salvage and Wreck Removal
- International Oil Pollution Compensation Funds 1992 and Supplementary.
- IOPC Supplementary Fund X158. IMO Conventions, Protocols, Codes, and Resolutions
- Third-tier compensation regime established by the Supplementary Fund Protocol 2003.
- IOPP A3. Marine environmental legislation: MARPOL and its annexes
- International Oil Pollution Prevention Certificate under MARPOL Annex I.
- IOPP Certificate X5. Marine Surveying and Inspection
- International Oil Pollution Prevention Certificate under MARPOL Annex I.
- IOPP Form A and Form B X66. Port State Control and Regional MOUs
- Supplements to IOPP certificate for non-oil tankers and oil tankers respectively.
- IOPP Supplement Form A/B X5. Marine Surveying and Inspection
- Supplements describing equipment on non-tank or oil tank vessels.
- IOSC X126. Marine Oil Spill Response and OPRC Regimes
- International Oil Spill Conference, the IPIECA / API / USCG conference held in the US every three years.
- IoT X107. Maritime Cybersecurity and OT Security
- Internet of Things, the broad category of network connected sensors and actuators.
- IoT (Internet of Things) Maritime E3. Technology, digitalization and smart shipping
- Networked ship-side and shore-side sensors.
- IoT Edge Gateway X68. Maritime Satcom and Telecommunications
- Onboard device that aggregates sensor data and forwards selected payloads over satellite.
- IoT Reference Architecture (ISO 19847/19848) E3. Technology, digitalization and smart shipping
- Standards for shipboard data servers and sensor metadata.
- IoT Sensors X148. Maritime Cybersecurity, IACS Cyber Rules, and Incidents
- Container tracking, reefer monitoring, and engine telemetry devices that bring new cellular and LPWAN attack surfaces.
- IOTC D4. Fisheries, aquaculture, blue economy and marine resources
- Indian Ocean Tuna Commission.
- IOTC Resolution 19-01 X87. Fishing Vessels and Fisheries Management
- Measure adopting an interim management plan for yellowfin tuna in the Indian Ocean.
- Iowa class X11. Naval Vessels, Warship Systems and Naval Architecture
- USN World War II fast battleship with 16 inch/50 main battery.
- Iowa Fertilizer Company X140. Ammonia as Marine Fuel and Hydrogen Shipping
- Wever Iowa ammonia plant owned by OCI, capacity 1.4 Mtpa, sold to Koch Industries in 2023.
- IP 15 X47. Marine Fuel Quality and ISO 8217
- Pour point test method published by the Energy Institute.
- IP 309 X47. Marine Fuel Quality and ISO 8217
- Cold filter plugging point determination.
- IP 336 X47. Marine Fuel Quality and ISO 8217
- Sulfur determination by energy dispersive XRF.
- IP 34 X47. Marine Fuel Quality and ISO 8217
- Pensky-Martens closed cup flash point test method.
- IP 375 X2. Marine Bunker Fuels, Lubricants and Bunkering Operations
- Manual sampling procedure for petroleum liquids.
- IP 380 X47. Marine Fuel Quality and ISO 8217
- Determination of total sediment in residual fuel oils, equivalent to ISO 10307-1.
- IP 470 X47. Marine Fuel Quality and ISO 8217
- Aluminum, silicon, vanadium, nickel, iron, calcium, sodium, and zinc determination by ICP-OES.
- IP 501 X2. Marine Bunker Fuels, Lubricants and Bunkering Operations
- ICP-OES method for trace metals in residual fuel oil.
- IP 570 X2. Marine Bunker Fuels, Lubricants and Bunkering Operations
- Test method for H2S in liquid phase of residual fuel.
- IP 575 X47. Marine Fuel Quality and ISO 8217
- Acid number of residual fuels by potentiometric titration.
- IP 71 X47. Marine Fuel Quality and ISO 8217
- Kinematic viscosity test method aligned with ISO 3104 and ASTM D445.
- IP at Sea X68. Maritime Satcom and Telecommunications
- Generic term for native internet protocol connectivity provided over maritime satellite links.
- IP Code A2. Maritime safety legislation: SOLAS and its codes
- International Code of Safety for Ships Carrying Industrial Personnel, mandatory under SOLAS XV.
- IP65 Rating X173. Mooring, Anchoring, OCIMF MEG4, and Equipment Numeral
- Ingress protection rating signifying dust-tight and water-jet-resistant enclosure, typical for windlass control panels exposed to the deck environment.
- IPA X135. Chemical Tanker Operators and IBC Code Cargoes
- Isopropyl alcohol (C3H8O), Category Z solvent in major demand for pharmaceuticals and cleaning, often co-loaded with acetone on parcel tankers.
- IPC X15. Ports, Terminals and Stevedoring
- Internal Pier Cleat.
- IPCSA AGM X119. Maritime Conferences, Trade Shows and Awards
- International Port Community Systems Association annual meeting, founded 2011.
- IPHC X10. Marine Biology, Fisheries and Oceanography
- International Pacific Halibut Commission.
- IPI X6. Container, Intermodal and Trade Codes
- Inland Point Intermodal.
- IPIECA X126. Marine Oil Spill Response and OPRC Regimes
- International Petroleum Industry Environmental Conservation Association, publisher of the Good Practice Guide series on oil spill preparedness and response.
- IPMI / iLO / iDRAC X148. Maritime Cybersecurity, IACS Cyber Rules, and Incidents
- Out-of-band server management interfaces aboard ship and at terminals, frequently mismanaged.
- IPMS X48. Maritime Cybersecurity
- Integrated Platform Management System combining propulsion, electrical, and auxiliary control, common on naval and offshore vessels.
- IPNLF X87. Fishing Vessels and Fisheries Management
- International Pole and Line Foundation, advocating one by one tuna fisheries.
- IPO X29. Ship Sale and Purchase, Management Contracts and Valuation
- Initial public offering, used by shipping companies to raise equity.
- IPOA-Capacity (FAO 1999) X87. Fishing Vessels and Fisheries Management
- International Plan of Action for the Management of Fishing Capacity.
- IPOA-IUU (FAO 2001) X87. Fishing Vessels and Fisheries Management
- International Plan of Action to combat illegal, unreported, and unregulated fishing.
- IPPC ISPM 15 X26. Reefer Containers and Cold Chain Logistics
- International Plant Protection Convention standard for treatment of wood packaging material; relevant to crates and pallets in reefer cargo.
- IPsec X48. Maritime Cybersecurity
- Suite of protocols providing authenticated and encrypted communication, used for ship to shore VPNs.
- IPv6 Support X68. Maritime Satcom and Telecommunications
- Capability of a maritime satellite network to transport native IPv6 traffic.
- Iqaluit X52. Polar Code, Arctic and Antarctic Shipping
- Capital of Nunavut, Canada, the main administrative port on the eastern Canadian Arctic.
- IQFoil X84. Yacht Racing, Regattas and Sailing Governance
- The Olympic windsurfing class, contested at Paris 2024 with separate men's and women's events.
- Iquique X116. Global Bunker Anchorages, Hubs and Supply Infrastructure
- Northern Chilean port with limited bunker supply for South Pacific fishing tonnage.
- Iquique deepening X124. Dredging Industry and Reclamation Contractors
- Chilean port project performed by Jan De Nul.
- Iquitos River X124. Dredging Industry and Reclamation Contractors
- Peruvian maintenance program for Amazon shipping.
- IR Drop X100. Marine Cathodic Protection and Anodes
- The voltage drop in the electrolyte and circuit that appears in on-potential readings and is removed by instant-off measurements.
- IRA Industries X50. Ship Recycling, Demolition and Hong Kong Convention
- A Chinese ship recycling facility historically operating near Jiangyin.
- Iran Ports and Maritime Organization X98. Ship Registries and Flag States
- PMO, the Iranian flag administration responsible for the national ship register.
- Iran PSC X66. Port State Control and Regional MOUs
- Indian Ocean MOU member State.
- Iran Sanctions X114. Maritime Arbitration and Shipping Law Firms
- Restrictive measures triggering arbitration on charterparty frustration claims.
- Iran Shahid Rajaee Port 2020 X48. Maritime Cybersecurity
- May 2020 cyber attack that disrupted operations at Iran's Shahid Rajaee container port near Bandar Abbas, widely reported in open sources.
- Iranian Oil Buyers Sanctions Act X151. Maritime Sanctions, Dark Fleet, and Price Cap Regimes
- A U.S. legislative framework authorizing secondary sanctions on foreign banks processing significant transactions for Iranian oil.
- Iranian Ship Registry X98. Ship Registries and Flag States
- National registry of the Islamic Republic of Iran maintained by the PMO.
- IRATA Level 1 X59. Offshore Wind O&M, CTVs and SOVs
- Industrial Rope Access Trade Association entry level certification for working at height under supervision.
- IRATA Level 2 X59. Offshore Wind O&M, CTVs and SOVs
- Intermediate rope access certification authorizing rigging of anchors and rescue of an injured Level 1.
- IRATA Level 3 X59. Offshore Wind O&M, CTVs and SOVs
- Supervisory rope access certification required of any rope access team leader on offshore wind blade work.
- IRC F4. Recreational Boating, Yachting and Sport
- International offshore rating rule administered by RORC and UNCL.
- IRCC X73. Marine Hydrography, Charting and ENC
- Inter-Regional Coordination Committee of the IHO.
- IRClass (Indian Register of Shipping) X118. Ship Recycling Yards, Beaches and Regulation
- Indian classification society issuing IHM Statements of Compliance and HKC SoC to Alang plots.
- IRClass Cyber X25. Maritime Cybersecurity, OT and IT
- Indian Register of Shipping cyber notation series.
- IRClass Cyber Managed X148. Maritime Cybersecurity, IACS Cyber Rules, and Incidents
- The Indian Register of Shipping notation for vessels meeting IRClass cybersecurity requirements.
- Ireland PSC X66. Port State Control and Regional MOUs
- Paris MOU member State.
- IRENE (cable system) X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines
- Planned subsea cable from Italy to Greece supporting Mediterranean capacity expansion.
- Irgarol 1051 X45. Marine Paints, Coatings and Antifouling
- Trade name for cybutryne, a triazine herbicide formerly used as an antifouling booster biocide and banned by the 2023 AFS Convention amendment.
- IRGC-N mines X77. Naval Mine Warfare and Mine Countermeasures
- Iranian Revolutionary Guard Corps Navy mine inventory referenced in Persian Gulf naval planning.
- IRI X98. Ship Registries and Flag States
- Common abbreviation for International Registries Inc.
- Iridium X68. Maritime Satcom and Telecommunications
- American satellite operator running a 66-satellite low Earth orbit constellation providing global coverage including the poles.
- Iridium 9555 X68. Maritime Satcom and Telecommunications
- Iridium handheld satellite phone used widely in maritime applications.
- Iridium 9575 Extreme X68. Maritime Satcom and Telecommunications
- Ruggedized Iridium handheld with integrated GPS and emergency button.
- Iridium 9603SBD X95. GMDSS Equipment and Survival Craft Communications
- Short Burst Data transceiver module from Iridium Communications used as the core of small satellite communication products.
- Iridium 9770 X68. Maritime Satcom and Telecommunications
- Iridium Certus broadband transceiver module used by terminal manufacturers.
- Iridium 9810 X68. Maritime Satcom and Telecommunications
- Iridium Certus transceiver module supporting higher Certus service classes.
- Iridium 9830 X68. Maritime Satcom and Telecommunications
- Iridium Certus transceiver module integrated into many compact maritime terminals.
- Iridium AIS X74. AIS Data, Vessel Tracking and Maritime Intelligence
- Project led by Iridium Communications to host AIS receivers on its second-generation Certus constellation.
- Iridium Certus E3. Technology, digitalization and smart shipping
- L-band satellite broadband service (GMDSS-recognized 2020).
- Iridium Certus 200 X95. GMDSS Equipment and Survival Craft Communications
- Iridium Certus service class with up to 176 kbps uplink and 176 kbps downlink.
- Iridium Certus 700 X95. GMDSS Equipment and Survival Craft Communications
- Iridium Certus service class with up to 352 kbps uplink and 704 kbps downlink.
- Iridium Edge X68. Maritime Satcom and Telecommunications
- Iridium satellite IoT device used for asset and small vessel tracking.
- Iridium GMDSS X23. AIS, GMDSS, IALA Buoyage and Aids to Navigation
- GMDSS satellite service approved by IMO Resolution MSC.451(99), operational from 13 December 2020.
- Iridium GO Exec X89. ECDIS and Bridge Equipment Makers
- Portable Iridium Certus 100 terminal for low data rate connectivity.
- Iridium L-band Satcom X91. Submarines and Submarine Cable Systems
- Communications service used by submarine support vessels and surfaced submarines.
- Iridium NEXT X68. Maritime Satcom and Telecommunications
- Second-generation Iridium constellation of 66 LEO satellites whose deployment was completed in January 2019.
- Iridium OpenPort X68. Maritime Satcom and Telecommunications
- Earlier Iridium maritime broadband service, withdrawn in 2018.
- Iridium Pilot X68. Maritime Satcom and Telecommunications
- Maritime terminal based on OpenPort, also withdrawn in 2018.
- Iridium SafetyCast E3. Technology, digitalization and smart shipping
- GMDSS Maritime Safety Information service via Iridium.
- Iridium SBD D1. Physical and chemical oceanography and marine meteorology
- Short Burst Data telemetry widely used to relay oceanographic data.
- Iridium Tide Gauge Telemetry D2. Hydrography, tides, waves, bathymetry and marine geology
- Use of Iridium satellites to relay tide gauge data.
- Iridium-based telemetry X10. Marine Biology, Fisheries and Oceanography
- Satellite communications widely used by oceanographic instruments.
- Iridium-Linked Buoy D5. Coastal processes, sea-level, cryosphere and ocean observation science
- Buoy reporting via Iridium satellites.
- IRIS (submarine cable) X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines
- Submarine cable connecting Ireland to Iceland, supporting Atlantic data center traffic.
- IRIS Europe X33. Inland Navigation and Barge Operations
- EU-funded project series implementing River Information Services across member states.
- Irish Ferries X24. Cruise, Passenger Ship and Ferry Operations
- ICG-owned operator on the Irish Sea and France routes.
- Irish Mercantile Marine Office X98. Ship Registries and Flag States
- Flag administration of Ireland for ship registration matters.
- Irish Sea X85. Ferries, Ro-Pax Operators and Routes
- Body of water between Britain and Ireland hosting Stena Line, Irish Ferries, and P&O Ferries.
- Irish Sea Smuggling F1. Maritime History
- Eighteenth-century clandestine trade in tea, spirits, and tobacco.
- IRISL (Islamic Republic of Iran Shipping Lines) X151. Maritime Sanctions, Dark Fleet, and Price Cap Regimes
- A state-owned shipping conglomerate repeatedly designated and re-designated under U.S. sanctions since 2008.
- IRM X14. Offshore Oil and Gas Marine Operations
- Inspection, repair and maintenance work, often via ROV.
- Irminger Sea X10. Marine Biology, Fisheries and Oceanography
- Region of the North Atlantic east of Greenland, site of deep convection.
- Iron Age Boat Burials F2. Maritime Culture, Heritage, Archaeology, Art and Museums
- Pre-Viking Scandinavian vessel deposits.
- Iron and Metal Manufacturers X123. Offshore Wind Installation Vessels and Operators
- Polish and Spanish sub-suppliers of secondary steel for monopile transition pieces, including Bilfinger Mars.
- Iron content X61. Marine Lubricants and Cylinder Oils
- Concentration of iron in scrape-down or system oil samples, used as a primary wear indicator.
- Iron Fertilization D1. Physical and chemical oceanography and marine meteorology
- Addition of iron to surface waters to stimulate phytoplankton growth.
- Iron Ore X1. Cargo Science, Commodities and Cargo Care
- Major dry bulk; Fines schedule (IOF) limits TML.
- Iron Ore Carrier Recycling X50. Ship Recycling, Demolition and Hong Kong Convention
- A category of demolition deliveries dominated by Capesize and very large ore carrier tonnage.
- Iron Ore Concentrate X1. Cargo Science, Commodities and Cargo Care
- Fine processed ore, Group A.
- Iron Ore Fines (IOF) X1. Cargo Science, Commodities and Cargo Care
- Specific IMSBC schedule following Vale TML guidance.
- Iron Ore Stockyard X94. Port Machinery and Quay Equipment Makers
- Open-air storage area at bulk terminals equipped with stackers and reclaimers for blending and reclaim.
- Iron ore terminal X15. Ports, Terminals and Stevedoring
- bulk facility with stackers, reclaimers, and ship loaders.
- Iron Ore Voyage X44. Shipping Indices, FFAs and Freight Markets
- Capesize cargo movement central to the C3, C5, and C17 route definitions in the BCI.
- Iron Pellets, DRI X1. Cargo Science, Commodities and Cargo Care
- See Direct Reduced Iron.
- Iron Pump X63. Marine Auxiliary Machinery and Pumps
- Danish manufacturer of marine pumps for cargo, ballast, and engine room services.
- Iron Pyrites X1. Cargo Science, Commodities and Cargo Care
- Group B IMSBC, self-heating in air.
- Iron Steamboat X39. Pre-1900 Maritime History
- A vessel with hull of wrought iron rather than wood, pioneered by Aaron Manby and launched on the Thames in 1822.
- Iron Triangle X103. US Inland Waterway Towing and Barge
- Industry shorthand for the confluence reaches near Cairo, Illinois.
- Ironclad F1. Maritime History
- Mid-nineteenth century iron-armored warship; HMS Warrior and CSS Virginia are early examples.
- IRPC X111. Methanol, Ammonia and Alternative Marine Fuels
- Thailand's IRPC Public Company Limited, a member of the Methanol Institute.
- IRPL X81. Project Cargo, Heavy-Lift and Module Carriers
- Industrial Reach Project Logistics, project freight forwarding category covering door-to-door movement of capital equipment.
- IRPWind X42. Offshore Wind Installation and Cable Lay
- Past European research initiative supporting offshore wind innovation.
- Irrawaddy X166. Inland Waterways, Ferries, RoRo, and Short Sea Shipping
- The principal river of Myanmar, navigable for about 1,400 km from the delta to Bhamo, operated by Inland Water Transport (IWT) state corporation.
- IRRC Cancellation X118. Ship Recycling Yards, Beaches and Regulation
- Certificate becomes invalid if the ship is not delivered to the named facility within three months or if the IHM is not maintained.
- IRRC Validity X28. Ship Recycling and End-of-Life
- Limited to a single voyage to a named recycling facility, generally up to three months.
- IRS X7. Flag State, Port State Control and Detention Vocabulary
- Indian Register of Shipping.
- IRS Cyber X148. Maritime Cybersecurity, IACS Cyber Rules, and Incidents
- The Indian Register of Shipping cyber risk management notation aligned with IACS Rec. 166 and now URs E26/E27.
- IRS Rules and Regulations for the Construction and Classification of Steel Ships X54. Naval Architecture Software and IACS Rules
- IRS principal class rule set.
- IRS-SHIPS X54. Naval Architecture Software and IACS Rules
- IRS computer program suite for rule-based hull and machinery scantling checks.
- IRTC X22. Piracy, Maritime Security and Armed Protection
- Internationally Recommended Transit Corridor through the Gulf of Aden.
- IS 8217 2024 X72. Bunkering Hubs and Bunker Suppliers
- Latest revision of the ISO 8217 standard for petroleum products specifications of marine fuels.
- IS Code X9. Cargo Securing, Lashing and Stability Vocabulary
- Intact Stability Code 2008.
- IS Code 2008 X162. Naval Architecture, Stability, Resistance, and Structural Design
- International Code on Intact Stability adopted by IMO Resolution MSC.267(85), mandatory under SOLAS and Load Line Convention.
- ISA A6. Public international law of the sea
- International Seabed Authority based in Kingston, Jamaica.
- ISA (International Seabed Authority) E4. Cruise, offshore energy and auxiliary/specialised fleets
- Authority over deep-seabed mining in the Area.
- ISA Mining Code E4. Cruise, offshore energy and auxiliary/specialised fleets
- Draft regulations for exploitation in the Area.
- ISA Yachts X156. Superyacht Industry, Builders, and Yacht Charter Market
- Italian builder at Ancona, part of the Palumbo Superyachts group, producing aluminum and steel motor yachts.
- ISA/IEC 62443 X25. Maritime Cybersecurity, OT and IT
- Joint ISA and IEC industrial cybersecurity standard family.
- ISA/IEC 62443 Conduit X48. Maritime Cybersecurity
- Logical grouping of communication channels between security zones, used in shipboard segmentation design.
- ISA/IEC 62443 Zone X48. Maritime Cybersecurity
- Grouping of assets sharing common security requirements, used in shipboard segmentation design.
- ISAA X86. Port Agency, Husbandry and Disbursement
- International Shipping Agencies Alliance.
- Isaac Newton X105. Offshore Wind Farm Installation and Vessels
- Jan De Nul cable lay vessel for inter-array and export cable installation.
- IsaacBay X124. Dredging Industry and Reclamation Contractors
- Australian project location for Mackay reclamation.
- Isabelle X85. Ferries, Ro-Pax Operators and Routes
- Tallink ro-pax deployed on Riga to Stockholm.
- ISAC X139. Maritime Cybersecurity, OT Threats and Standards
- Information Sharing and Analysis Center; the Maritime Transportation System ISAC (MTS-ISAC) was established in 2020.
- ISACA X107. Maritime Cybersecurity and OT Security
- Professional association governing the CISA and CISM certifications among others.
- ISAF X84. Yacht Racing, Regattas and Sailing Governance
- International Sailing Federation, the name of the world governing body from 1996 to 2015.
- ISAF Sailor Classification Code F4. Recreational Boating, Yachting and Sport
- Historical World Sailing categorization of amateur and professional status.
- Isallobar X16. Nautical Science, Navigation and COLREGs
- Line of equal pressure change.
- ISAN X102. Seafarer Welfare and Maritime Charities
- International Seafarers' Assistance Network, the 24-hour helpline body that merged into ISWAN in 2013.
- IsatHub X68. Maritime Satcom and Telecommunications
- Inmarsat L-band Wi-Fi terminal product line targeting small business and small vessel use.
- IsatM2M X68. Maritime Satcom and Telecommunications
- Inmarsat L-band machine-to-machine service for tracking and telemetry.
- IsatMarine performance suite B2. Marine Engineering
- Performance and emissions monitoring.
- IsatPhone 2 X68. Maritime Satcom and Telecommunications
- Current Inmarsat L-band handheld satellite phone with extended battery life and rugged design.
- IsatPhone Pro X68. Maritime Satcom and Telecommunications
- Earlier Inmarsat L-band handheld satellite phone.
- ISB X13. Marine Salvage and Wreck Removal
- In Situ Burning of oil under approved environmental and safety conditions.
- ISBP C3. Logistics, freight forwarding and multimodal trade
- International Standard Banking Practice for documentary credits.
- ISC X6. Container, Intermodal and Trade Codes
- Inland Service Charge.
- ISCC X111. Methanol, Ammonia and Alternative Marine Fuels
- International Sustainability and Carbon Certification scheme used to certify sustainable biofuels for marine and other transport applications.
- ISCC certification X149. Marine Fuels, Bunkering, and Alternative Fuels
- International Sustainability and Carbon Certification, a chain-of-custody scheme used to evidence sustainable biofuel feedstocks for marine biofuels.
- ISCC EU X116. Global Bunker Anchorages, Hubs and Supply Infrastructure
- International Sustainability and Carbon Certification scheme covering FAME and HVO marine biofuel chain of custody.
- ISCO X126. Marine Oil Spill Response and OPRC Regimes
- International Spill Control Organisation, NGO based in the UK.
- ISDA Master Agreement X161. Shipbroking, Freight Derivatives, and Baltic Indices
- Standardized master agreement used to govern bilateral FFAs together with FFABA confirmations.
- ISDN X68. Maritime Satcom and Telecommunications
- Integrated Services Digital Network protocol used by retired Fleet 77 and similar legacy satellite services.
- Ise (DDH-182) X106. Naval Surface Combatants
- Second JMSDF Hyuga-class helicopter destroyer, commissioned 2011.
- ISE Explorer X65. ROVs, AUVs, USVs and Marine Robotics
- Deep diving AUV from International Submarine Engineering in Canada used in Arctic survey programs.
- ISE Magnum X65. ROVs, AUVs, USVs and Marine Robotics
- Heavy work-class ROV historically produced by International Submarine Engineering for North Sea operations.
- ISF X6. Container, Intermodal and Trade Codes
- Importer Security Filing, US 10+2 advance data for ocean imports.
- ISF watchkeeper X21. STCW Certificates, Crewing and Seafarer Welfare
- International Shipping Federation standardized watchkeeping arrangements form, widely used for STCW compliance.
- ISGINTT C4. Ports, terminals and coastal/marine civil engineering
- International Safety Guide for Inland Navigation Tank Barges and Terminals.
- ISGOTT C2. Ship operations, crewing and technical management
- International Safety Guide for Oil Tankers and Terminals, 6th edition.
- ISGOTT (International Safety Guide for Oil Tankers and Terminals) X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA
- The OCIMF/ICS/IAPH joint publication whose checklist forms the spine of many SIRE chapters.
- ISGOTT 6 X40. Tanker Vetting, SIRE and VIQ
- The sixth edition of ISGOTT, published in 2020, current reference for ship-shore safety practice on oil and chemical tankers.
- ISGOTT Atmospheric Check X5. Marine Surveying and Inspection
- Tank atmosphere checks per International Safety Guide for Oil Tankers and Terminals.
- ISGOTT medical first aid section X36. Shipboard Medical, Telemedicine and Seafarer Health
- International Safety Guide for Oil Tankers and Terminals chapter on first aid for oil and chemical exposure.
- ISGOTT Ship-Shore Safety Checklist X40. Tanker Vetting, SIRE and VIQ
- The mandatory checklist completed before cargo or bunker transfer, reviewed under VIQ Chapter 8.
- Ishikawa diagram X12. Maritime Casualties and Investigation
- Synonym for fishbone diagram.
- Iskenderun X124. Dredging Industry and Reclamation Contractors
- Turkish container port whose access deepening was tendered internationally.
- Iskes Cees X137. Harbour Tugs, Towage Operators and Tug Builders
- Damen-built ASD tug in the Iskes fleet at IJmuiden.
- Iskes Towage and Salvage X79. Tugs and Towage Industry
- Dutch family-owned towage and salvage operator based in IJmuiden.
- Iskra X128. Sail Training Ships and Tall Ship Associations
- Polish Navy three masted staysail schooner built 1982 at Gdansk, 49 m length, 770 sq m sail area, Polish Naval Academy training ship.
- Iskra (1927) X128. Sail Training Ships and Tall Ship Associations
- Predecessor Polish three masted barquentine launched 1917 in Holland, served as Polish Navy training ship 1927 to 1977, today preserved at Gdynia.
- ISL X15. Ports, Terminals and Stevedoring
- Institute of Shipping Economics and Logistics, Bremen.
- ISL (Cummins) X90. Marine Engine Specific Model Enumeration
- Cummins inline six-cylinder mid-range marine diesel for workboat and auxiliary applications.
- Island Arc D2. Hydrography, tides, waves, bathymetry and marine geology
- Curved chain of volcanic islands above a subduction zone.
- Island berth X15. Ports, Terminals and Stevedoring
- berth at an offshore platform with mooring dolphins.
- Island Empress X123. Offshore Wind Installation Vessels and Operators
- Island Offshore SOV chartered for North Sea wind service campaigns.
- Island Frontier X123. Offshore Wind Installation Vessels and Operators
- Norwegian SOV used for wind farm support work prior to fleet renewal.
- Island-class X130. National Coast Guards and Cutter Fleets
- USCG 110-foot patrol boat, 49 hulls Farallon through Sapelo built 1986-1992, retired by 2024 and replaced by Sentinel-class.
- Isle of Grain LNG X56. LNG/LPG Carriers and IGC Code
- LNG import terminal on the Isle of Grain in Kent, England, operated by National Grid Grain LNG.