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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.
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 curve cure X45. Marine Paints, Coatings and Antifouling
Cure behavior of solvent-free epoxies that gel faster at higher temperature.
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 Edge Gateway X68. Maritime Satcom and Telecommunications
Onboard device that aggregates sensor data and forwards selected payloads over satellite.
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 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.
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-based telemetry X10. Marine Biology, Fisheries and Oceanography
Satellite communications widely used by oceanographic instruments.
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 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 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 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.
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.