Glossary

Maritime glossary, terms beginning with I (page 3)

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

Showing 250 of 2628 terms (page 3 of 11).

IGS (Inert Gas System) X20. LNG Operations and Custody Transfer: Combustion or nitrogen-based generator producing low O2 inert gas for tank inerting.
IGS Aug 2014 retrofit B4. Shipbuilding, Materials, Sea Trials, Retrofits and Recycling: Inert gas retrofit on chemical tankers.
IGS Records X40. Tanker Vetting, SIRE and VIQ: Inert Gas System operating and maintenance records reviewed under VIQ Chapter 8.
IGS Survey X5. Marine Surveying and Inspection: Inert Gas System inspection of generator, scrubber, blowers, and deck seal.
Igus Energy Chain X67. Marine Electrical Systems and Shore Power: Cable carrier systems from Igus used to manage shore power cables on cranes and reels.
IGY Marinas X35. Yacht and Superyacht Industry: Operator of a global network of superyacht marinas including Yacht Haven Grande and Rodney Bay.
IHB X73. Marine Hydrography, Charting and ENC: International Hydrographic Bureau, the IHO Secretariat in Monaco; the former name of the IHO itself before 1970.
IHC X53. Marine Insurance, P&I and Hull Clauses: International Hull Clauses, issued by the International Underwriting Association on November 1, 2002, and amended in 2003, representing a modernized alternative to ITCH.
IHC Beaver X124. Dredging Industry and Reclamation Contractors: Standardized CSD range from Beaver 30 to Beaver 6500.
IHC Easydredge X124. Dredging Industry and Reclamation Contractors: Standardized TSHD range from 2,000 to 6,000 m3 hopper.
IHC Hydrohammer X105. Offshore Wind Farm Installation and Vessels: Royal IHC hydraulic pile-driving hammer family including S-1800 and S-2400 models used for monopile installation.
IHC Hytop X79. Tugs and Towage Industry: Royal IHC subsidiary supplying tow and anchor handling deck equipment.
IHC IQIP X42. Offshore Wind Installation and Cable Lay: Royal IHC subsidiary supplying hydraulic hammers, gripper frames, and noise mitigation systems.
IHC Merwede X58. Shipbuilding Yards and Construction: Dutch shipbuilder known for dredgers, now Royal IHC.
IHC S-1800 X42. Offshore Wind Installation and Cable Lay: Royal IHC hydraulic hammer rated 1,800 kJ used on offshore wind monopiles.
IHC S-2500 X42. Offshore Wind Installation and Cable Lay: Royal IHC hydraulic hammer rated 2,500 kJ, used on extra large monopiles in the North Sea.
IHI X20. LNG Operations and Custody Transfer: Ishikawajima-Harima Heavy Industries; licensee of MOSS spherical and designer of SPB containment.
IHI 2 MW Ammonia Gas Turbine X140. Ammonia as Marine Fuel and Hydrogen Shipping: Demonstrated single-fuel operation in Soma, Fukushima in 2022.
IHI Corporation X56. LNG/LPG Carriers and IGC Code: Japanese heavy industries group that developed the SPB self-supporting prismatic IMO Type B containment system.
IHI HZ Fin X38. Propellers, Stern Gear and Shaft Lines: Pre-swirl reaction fin developed by IHI, fitted on bulkers and tankers ahead of the propeller.
IHI Power Systems X90. Marine Engine Specific Model Enumeration: Japanese builder formed from Diesel United producing licensed MAN B&W two-stroke marine engines.
IHI SPB X20. LNG Operations and Custody Transfer: Self-Supporting Prismatic Type B independent tank with internal swash bulkheads and full secondary barrier.
IHI Transport Machinery X169. Container Terminal Cranes, Yard Equipment, and Lashing: Japanese maker of STS cranes, RTGs, RMGs, and ship loaders, a subsidiary of IHI Corporation headquartered in Tokyo.
IHI Transport Machinery (IUK) X94. Port Machinery and Quay Equipment Makers: Japanese subsidiary of IHI Corporation manufacturing STS cranes, RTGs, and shiploaders.
IHI-Marine United X38. Propellers, Stern Gear and Shaft Lines: Japanese builder associated with contra-rotating propeller systems on shuttle tankers.
IHM X28. Ship Recycling and End-of-Life: Inventory of Hazardous Materials required under HKC and EU SRR.
IHM Approval Process X28. Ship Recycling and End-of-Life: Document review, visual sampling, lab analysis, and class society endorsement.
IHM Coordinator Role X50. Ship Recycling, Demolition and Hong Kong Convention: The shipboard officer or shore-based representative responsible for keeping the IHM current under MEPC.269(68).
IHM Data Table X28. Ship Recycling and End-of-Life: Itemized list of materials, quantities, and locations forming the body of Part I.
IHM Database Software X50. Ship Recycling, Demolition and Hong Kong Convention: The classification society and third-party systems supporting IHM development, maintenance, and reporting throughout vessel life.
IHM Development Project X50. Ship Recycling, Demolition and Hong Kong Convention: The newbuilding or in-service campaign producing the initial Inventory of Hazardous Materials.
IHM Expert X50. Ship Recycling, Demolition and Hong Kong Convention: The trained professional certified to conduct visual and sampling checks for IHM development under MEPC.269(68).
IHM Initial Survey X5. Marine Surveying and Inspection: Inventory of Hazardous Materials verification under Hong Kong Convention.
IHM Maintenance X50. Ship Recycling, Demolition and Hong Kong Convention: The continuous updating of IHM Part I, II, and III throughout the ship's operational life.
IHM Maintenance Plan IMP X28. Ship Recycling and End-of-Life: Procedure for keeping the IHM up to date throughout the ship's operating life.
IHM Part I X28. Ship Recycling and End-of-Life: Materials contained in ship structure and equipment.
IHM Part I/II/III B4. Shipbuilding, Materials, Sea Trials, Retrofits and Recycling: Inventory of Hazardous Materials sections.
IHM Part II X28. Ship Recycling and End-of-Life: Operationally generated wastes.
IHM Part III X28. Ship Recycling and End-of-Life: Stores on board at the time of recycling.
IHM Renewal Survey X28. Ship Recycling and End-of-Life: Periodic survey verifying continued accuracy of the IHM, aligned with class renewal.
IHM Sampling Plan X118. Ship Recycling Yards, Beaches and Regulation: Vessel-specific plan defining onboard sampling points, prepared by a recognized expert prior to onboard survey.
IHM Verification Survey X50. Ship Recycling, Demolition and Hong Kong Convention: The flag administration or recognized organization survey confirming continuing compliance with IHM requirements.
IHO D2. Hydrography, tides, waves, bathymetry and marine geology: International Hydrographic Organization, intergovernmental body for hydrography.
IHO (International Hydrographic Organization) X16. Nautical Science, Navigation and COLREGs: Intergovernmental body governing hydrographic standards.
IHO Capacity Building Programme X129. Hydrographic Offices, Survey Vessels and Marine Cartography: IHO initiative supporting hydrographic capability development in coastal states, funded partly by the Nippon Foundation.
IHO Council X73. Marine Hydrography, Charting and ENC: The intergovernmental body advising on IHO programme priorities between Assemblies.
IHO Member State X73. Marine Hydrography, Charting and ENC: A national government acceded to the IHO Convention; over 100 states as of 2024.
IHO Monaco Headquarters X129. Hydrographic Offices, Survey Vessels and Marine Cartography: International Hydrographic Organization secretariat located at 4 quai Antoine 1er, Monaco, established at the founding of the IHB in 1921.
IHO S-100 B3. Nautical Science: Universal Hydrographic Data Model.
IHO S-101 B3. Nautical Science: Next-generation ENC specification.
IHO S-102 B3. Nautical Science: Bathymetric Surface product specification.
IHO S-104 B3. Nautical Science: Water Level Information product spec.
IHO S-111 B3. Nautical Science: Surface Currents product spec.
IHO S-122 X89. ECDIS and Bridge Equipment Makers: Marine Protected Areas product specification.
IHO S-122 to S-129 X129. Hydrographic Offices, Survey Vessels and Marine Cartography: Family of S-100 product specifications covering marine protected areas, marine traffic management, nautical publications, ice information, marine physical environment, navigational warnings…
IHO S-124 X89. ECDIS and Bridge Equipment Makers: Navigational Warnings product specification.
IHO S-201 X23. AIS, GMDSS, IALA Buoyage and Aids to Navigation: AtoN information product specification under S-100.
IHO S-23 X129. Hydrographic Offices, Survey Vessels and Marine Cartography: IHO publication Limits of Oceans and Seas, the canonical reference to named ocean and sea boundaries, last full edition issued in 1953 with a draft fourth edition pending.
IHO S-32 F5. The Reference Layer: Glossary, Units, Signals and Information Sources: International Hydrographic Organization hydrographic dictionary.
IHO S-4 X23. AIS, GMDSS, IALA Buoyage and Aids to Navigation: Regulations for International (INT) Charts and Chart Specifications of the IHO.
IHO S-44 D2. Hydrography, tides, waves, bathymetry and marine geology: IHO standard for hydrographic surveys, defining order categories.
IHO S-52 X23. AIS, GMDSS, IALA Buoyage and Aids to Navigation: Specifications for chart content and display aspects of ECDIS.
IHO S-57 B3. Nautical Science: ENC product specification, edition 3.1.
IHO S-63 X89. ECDIS and Bridge Equipment Makers: Data Protection Scheme for encrypted ENCs.
IHO Secretariat X73. Marine Hydrography, Charting and ENC: The Monaco-based permanent staff supporting IHO work.
IHO Secretary-General X129. Hydrographic Offices, Survey Vessels and Marine Cartography: Chief executive officer of the IHO Secretariat in Monaco, supported by two Directors elected by the Assembly.
IHO World Hydrography Day X129. Hydrographic Offices, Survey Vessels and Marine Cartography: Annual observance on 21 June commemorating the establishment of the International Hydrographic Bureau in 1921.
IHR 2005 X24. Cruise, Passenger Ship and Ferry Operations: International Health Regulations adopted by WHO, basis for the Maritime Declaration of Health.
Ihre (Pulse Trawl Pioneer Vessel) X87. Fishing Vessels and Fisheries Management: Dutch beam trawler historically associated with pulse trawl trials before the EU ban took effect on 1 July 2021.
IHS Lloyd's List Intelligence E1. Maritime security, geopolitics and risk: Vessel tracking and sanctions intelligence provider.
IHS Maritime (now S&P Global Market Intelligence) X151. Maritime Sanctions, Dark Fleet, and Price Cap Regimes: The provider of the World Register of Ships data used in compliance screening.
IHS Markit Maritime X71. Shipbrokers and Brokerage Firms: Maritime data and analytics business now part of S&P Global Commodity Insights.
IHS Markit Maritime & Trade X101. Vessel Brokerage Software and Chartering Platforms: Maritime data division formed from the integration of Lloyd's Register Fairplay and IHS, absorbed by S&P Global in 2022.
IIBS Code (Intact Stability) X170. SOLAS 1974 Convention: Chapter-by-Chapter Glossary: 2008 International Code on Intact Stability (MSC.267(85)), mandatory under SOLAS II-1/2 from 1 July 2010.
IIC X5. Marine Surveying and Inspection: Initial, Intermediate, Annual, Renewal, Occasional Survey scheme under harmonized survey.
IIC Technologies X73. Marine Hydrography, Charting and ENC: A Canadian-headquartered hydrographic services and ENC production company.
IICL C3. Logistics, freight forwarding and multimodal trade: Institute of International Container Lessors.
IICL damage code X6. Container, Intermodal and Trade Codes: Standardized location and damage code defined by IICL for survey and repair.
IICL repair code X6. Container, Intermodal and Trade Codes: Standard repair action codes paired with damage codes in IICL surveys.
IICL Repair Manual X83. ISO Container Manufacturing and Leasing: IICL publication setting out standard repair methods, time, and material guides.
IICL-6 Standard X83. ISO Container Manufacturing and Leasing: IICL-published criteria for cargo-worthy container condition, the de facto on-hire and off-hire standard.
IICWG X27. Polar Code, Ice Navigation and Polar Operations: International Ice Charting Working Group, coordinating national ice services since 1999.
III Code A1. The IMO and the international regulatory framework: IMO Instruments Implementation Code, mandatory under SOLAS, MARPOL, Load Lines, Tonnage 1969, COLREG, and STCW.
III Code (IMO Instruments Implementation Code) X170. SOLAS 1974 Convention: Chapter-by-Chapter Glossary: A.1070(28), mandatory under SOLAS XI-1/2 from 1 January 2016, providing the basis for IMSAS audits of Member States.
III Sub-Committee X7. Flag State, Port State Control and Detention Vocabulary: IMO Sub-Committee on Implementation of IMO Instruments, established 2014, successor to FSI.
III Sub-Committee (Implementation of IMO Instruments) X163. Marine Accident Investigation Agencies and Landmark Inquiries: IMO sub-committee established in 2014 that, among other duties, analyses marine casualty investigation reports submitted to the IMO and identifies safety lessons.
IIM X73. Marine Hydrography, Charting and ENC: Istituto Idrografico della Marina, the Italian HO at Genoa, founded 1872.
IIMS X155. Marine Surveying Practice and Cargo Inspection: The International Institute of Marine Surveying, headquartered in Portsmouth, United Kingdom, offering professional qualifications and a global membership scheme.
IIMS (International Institute of Marine Surveying) X146. Port State Control Regimes, MoUs, and Inspection Systems: A professional body whose surveyors interact frequently with PSC outcomes.
Iino Lines X135. Chemical Tanker Operators and IBC Code Cargoes: Tokyo-based Iino Kaiun Kaisha, operator of around 35 chemical and gas tankers including IMO Type 2 stainless parcel carriers serving Asian and global trades.
IIP (International Ice Patrol) X27. Polar Code, Ice Navigation and Polar Operations: USCG-managed service warning of iceberg danger in the North Atlantic since 1914.
IISCO X92. Marine Steel Suppliers and Shipbuilding Plate: Indian Iron and Steel Company integrated works at Burnpur in West Bengal, operated as part of SAIL.
IIslands of Faroe X124. Dredging Industry and Reclamation Contractors: Confidential Boskalis quarry project, ferry port works.
IJmuiden X79. Tugs and Towage Industry: Dutch port at the entrance to the North Sea Canal, base for several Dutch towage operators including Iskes.
IJmuiden Ver X42. Offshore Wind Installation and Cable Lay: Dutch offshore wind zone under future tender located west of IJmuiden.
Ikarian Reefer guidelines X152. Maritime Arbitration and Dispute Resolution: Duties of expert witnesses set out by Cresswell J in National Justice Compania Naviera v Prudential Assurance (The Ikarian Reefer) (1993), widely adopted in maritime arbitration.
IKM Subsea X65. ROVs, AUVs, USVs and Marine Robotics: Norwegian operator of resident inspection ROVs and developer of the Merlin UCV electric work-class ROV.
IL-76 X104. Project Cargo Forwarders and Heavy Transport: Soviet-designed jet freighter operated by Volga-Dnepr, Silk Way, and Maximus Air for project work.
ILA X76. Stevedoring, Lashing and Cargo Securing: International Longshoremen's Association, US East and Gulf Coast longshore union.
ILCA X84. Yacht Racing, Regattas and Sailing Governance: International Laser Class Association, the governing body for the ILCA dinghies.
ILCA 6 X84. Yacht Racing, Regattas and Sailing Governance: The current designation for the Laser Radial rig, the Olympic women's single-handed dinghy.
ILCA 7 X84. Yacht Racing, Regattas and Sailing Governance: The current designation for the Laser Standard rig, the Olympic men's single-handed dinghy.
Ile d'Aix X122. Submarine Cable Laying, Repair Vessels and Operators: ASN cable ship, smaller depot-based unit, used for harbor and shallow water tasks.
Ile de Batz X122. Submarine Cable Laying, Repair Vessels and Operators: ASN cable ship, 100 m LOA, built 1983, deployed on shore-end and CRV work.
Ile de Brehat X122. Submarine Cable Laying, Repair Vessels and Operators: ASN cable ship, 140 m LOA, built 2002 at Hellesoy, operated by ASN Marine from Calais with 7,000 t cable capacity.
Ile de France X128. Sail Training Ships and Tall Ship Associations: Several schooners and brigantines have carried the name; current STI participation is intermittent.
Ile de Re X122. Submarine Cable Laying, Repair Vessels and Operators: ASN cable ship, 124 m LOA, built 1983 and operating as a CRV in the Atlantic.
Ile de Sein X122. Submarine Cable Laying, Repair Vessels and Operators: ASN cable ship, 140 m LOA, built 2001 at Hellesoy, sister to Ile de Brehat and similarly based in Calais.
Iliad X42. Offshore Wind Installation and Cable Lay: Reference offshore vessel; included for completeness.
Ill Crew Member X41. Cruise Ship Public Health and VSP/USPH: Symptomatic worker excluded from food handling and accommodated under enteric precautions until clearance.
ILLC X98. Ship Registries and Flag States: International Convention on Load Lines, 1966, with the 1988 Protocol updating freeboard rules.
Illegal Fishing X87. Fishing Vessels and Fisheries Management: Fishing in contravention of national laws or RFMO conservation measures, the I of IUU.
Illex argentinus X87. Fishing Vessels and Fisheries Management: Argentine shortfin squid, targeted by jiggers in the Southwest Atlantic.
Illinois Waterway X103. US Inland Waterway Towing and Barge: The navigable system extending from Lake Michigan at Chicago to the Mississippi River at Grafton, Illinois.
Illness Log X36. Shipboard Medical, Telemedicine and Seafarer Health: Record of seafarer sickness, treatment, and outcome maintained by master/medical officer.
Illumio X107. Maritime Cybersecurity and OT Security: Microsegmentation vendor providing host based policy enforcement.
ILO A4. Other IMO and ILO conventions and codes: International Labour Organization, UN agency that adopted MLC 2006 and earlier maritime labor conventions.
ILO C147 A4. Other IMO and ILO conventions and codes: Merchant Shipping (Minimum Standards) Convention, 1976, predecessor to MLC.
ILO C188 (Work in Fishing Convention 2007) X87. Fishing Vessels and Fisheries Management: International Labour Organization Convention adopted in 2007 and in force from 16 November 2017 covering working conditions on fishing vessels.
ILO Convention 152 X76. Stevedoring, Lashing and Cargo Securing: Convention concerning Occupational Safety and Health in Dock Work, 1979.
ILO Convention 68 X120. Marine Catering, Provisions and Ship Chandlers: 1946 Food and Catering (Ships' Crews) Convention, consolidated into MLC 2006 Regulation 3.2.
ILO Convention 69 X120. Marine Catering, Provisions and Ship Chandlers: 1946 Certification of Ships' Cooks Convention, consolidated into MLC 2006 Code A3.2.
ILO Convention No. 147 X66. Port State Control and Regional MOUs: Earlier minimum-standards convention now subsumed by MLC 2006 for most States.
ILO Maritime Labour Convention (MLC) 2006 X102. Seafarer Welfare and Maritime Charities: Consolidated convention covering decent work for seafarers, in force 20 August 2013.
ILO MLC Security E1. Maritime security, geopolitics and risk: Crew welfare obligations during piracy and detention.
ILO Ship-Breaking Guidelines 2004 X118. Ship Recycling Yards, Beaches and Regulation: International Labour Office "Safety and health in shipbreaking" guidelines, basis for many national OSH rules at recycling yards.
Ilulissat Icefjord X97. Polar Expedition Cruise and IAATO Operations: UNESCO World Heritage site in West Greenland and a flagship destination for Disko Bay expedition cruises.
ILWU X76. Stevedoring, Lashing and Cargo Securing: International Longshore and Warehouse Union, US and Canadian West Coast longshore union.
Imabari Shipbuilding X29. Ship Sale and Purchase, Management Contracts and Valuation: Largest Japanese shipbuilder, headquartered in Ehime.
Image Library Update X68. Maritime Satcom and Telecommunications: Distribution of ECDIS or weather imagery datasets over satellite to vessels.
Imager (visible) X27. Polar Code, Ice Navigation and Polar Operations: Optical satellite sensor used in cloud-free conditions for ice mapping.
IMarEST F3. Seafaring Life, Education, Professions and Institutions: Institute of Marine Engineering, Science and Technology, London, founded 1889.
IMarEST Annual Dinner X119. Maritime Conferences, Trade Shows and Awards: Institute of Marine Engineering, Science and Technology annual dinner held in London.
Imarex X161. Shipbroking, Freight Derivatives, and Baltic Indices: International Maritime Exchange founded in Oslo in 2000, the first regulated freight derivatives exchange, merged into NOS Clearing and ultimately wound down after NASDAQ Commodities exit in 2018.
Imari X58. Shipbuilding Yards and Construction: Site of Namura Shipbuilding's main yard in Saga prefecture.
IMB X22. Piracy, Maritime Security and Armed Protection: International Maritime Bureau, ICC division reporting piracy incidents since 1992.
IMB Annual Piracy Report X22. Piracy, Maritime Security and Armed Protection: Yearly compilation of piracy and armed robbery incidents published by the International Maritime Bureau.
IMB Live Piracy Map X22. Piracy, Maritime Security and Armed Protection: Online real time display of reported incidents maintained by the IMB Piracy Reporting Centre Kuala Lumpur.
IMB Piracy Reporting Centre E1. Maritime security, geopolitics and risk: ICC International Maritime Bureau center in Kuala Lumpur.
IMB PRC X127. Maritime Security, Anti-Piracy and PMSCs: IMB Piracy Reporting Centre, 24-hour service in Kuala Lumpur receiving reports from masters at sea.
IMCA X14. Offshore Oil and Gas Marine Operations: International Marine Contractors Association; DP, diving, ROV guidance.
IMCA (International Marine Contractors Association) E4. Cruise, offshore energy and auxiliary/specialised fleets: Industry body for offshore contractors and DP standards.
IMCA Audit X82. Saturation Diving and Offshore Diving Operations: Common name for the IMCA DESIGN audit of a diving system.
IMCA D 014 X82. Saturation Diving and Offshore Diving Operations: International Code of Practice for Offshore Diving.
IMCA D 015 X82. Saturation Diving and Offshore Diving Operations: Mobilisation and Demobilisation of Diving Equipment Spreads.
IMCA D 023 X82. Saturation Diving and Offshore Diving Operations: Diving Equipment Systems Inspection Guidance Note, "DESIGN."
IMCA D 024 X82. Saturation Diving and Offshore Diving Operations: Code of Practice for Surface Supplied Mixed Gas Diving.
IMCA D 037 X82. Saturation Diving and Offshore Diving Operations: Code of Practice for Inshore Diving Operations.
IMCA D 044 X82. Saturation Diving and Offshore Diving Operations: Saturation Diving Practitioners' Workshop guidance.
IMCA D 045 X82. Saturation Diving and Offshore Diving Operations: Code of Practice for the Initial and Periodic Examination of Diving Plant and Equipment.
IMCA D 050 X82. Saturation Diving and Offshore Diving Operations: Minimum Quantities of Gas Required Offshore.
IMCA D 053 X82. Saturation Diving and Offshore Diving Operations: Saturation Diving for Decision Makers guidance.
IMCA Diving Division X82. Saturation Diving and Offshore Diving Operations: Technical committee within IMCA setting diving standards.
IMCA M 103 E4. Cruise, offshore energy and auxiliary/specialised fleets: Guidelines for DP vessel design and operation.
IMCA M 117 E4. Cruise, offshore energy and auxiliary/specialised fleets: DP operator training and certification.
IMCA M 182 E4. Cruise, offshore energy and auxiliary/specialised fleets: International guidance for bulk transfer operations.
IMCA M101 X30. Tug Operations and Harbour Towage: International Marine Contractors Association guidance document for marine contractors, applied in offshore towage.
IMCA M103 X14. Offshore Oil and Gas Marine Operations: Common DP class requirements guidance document.
IMCA M117 X14. Offshore Oil and Gas Marine Operations: Training and experience of key DP personnel.
IMCA M220 X14. Offshore Oil and Gas Marine Operations: Operational activity planning for DP vessels (ASOG, CAM, TAM).
IMCA Members X82. Saturation Diving and Offshore Diving Operations: Subscribing contractor companies bound by IMCA codes.
IMCA Tug Guidelines X137. Harbour Tugs, Towage Operators and Tug Builders: International Marine Contractors Association guidance covering towage operations during offshore moves.
IMCA Yacht endorsements X156. Superyacht Industry, Builders, and Yacht Charter Market: STCW yacht specific training certificates such as Yacht Limited and Yacht Restricted Master endorsements administered through MCA recognized providers.
IMCO A1. The IMO and the international regulatory framework: Inter-Governmental Maritime Consultative Organization, IMO's name from 1948 until 1982.
IMCSO X127. Maritime Security, Anti-Piracy and PMSCs: International Maritime Cyber Security Organization, industry forum addressing convergence of physical and cyber threats.
IMDG X6. Container, Intermodal and Trade Codes: International Maritime Dangerous Goods Code.
IMDG Amendment 41-22 X158. IMO Conventions, Protocols, Codes, and Resolutions: Edition of the IMDG Code entering into force 1 January 2024 on a voluntary basis and mandatory from 1 January 2024.
IMDG Code A2. Maritime safety legislation: SOLAS and its codes: International Maritime Dangerous Goods Code, mandatory under SOLAS VII Part A.
IMDG Code Amendment 39-18 X75. IMDG Code, Classes, Packing and Segregation: Edition mandatory from 1 January 2020.
IMDG Code Amendment 40-20 X75. IMDG Code, Classes, Packing and Segregation: Edition mandatory from 1 June 2022 after the voluntary period from 1 January 2021.
IMDG Code Amendment 41-22 X75. IMDG Code, Classes, Packing and Segregation: Current edition mandatory from 1 January 2024 after voluntary application from 1 January 2023.
IMDG Code Amendments A1. The IMO and the international regulatory framework: Biennial cycle with one-year grace, settled through CCC and MSC.
IMDG Code Compliance Officer X75. IMDG Code, Classes, Packing and Segregation: Internal company role responsible for ensuring IMDG and related code compliance.
IMDG Code Edition X75. IMDG Code, Classes, Packing and Segregation: Consolidated text including the most recent amendment, published biennially in odd years by IMO.
IMDG Code Residues X28. Ship Recycling and End-of-Life: Dangerous cargo residues subject to additional cleaning before delivery for recycling.
IMDG Code Supplement X75. IMDG Code, Classes, Packing and Segregation: Companion publication containing EmS, MFAG and reporting procedures.
IMDG Segregation X9. Cargo Securing, Lashing and Stability Vocabulary: Separation requirements between dangerous goods classes.
IMEC X102. Seafarer Welfare and Maritime Charities: International Maritime Employers' Council, a maritime employers' federation that negotiates within the JNG side of the IBF.
IMGS X36. Shipboard Medical, Telemedicine and Seafarer Health: International Medical Guide for Ships, 3rd edition, published by WHO 2007.
IMGS 2nd edition (1988) X36. Shipboard Medical, Telemedicine and Seafarer Health: Earlier edition of the WHO ship medical guide, superseded but still found aboard older vessels.
IMGS Annex IV X36. Shipboard Medical, Telemedicine and Seafarer Health: List of medicines required on board ships by category.
IMGS Annex V X36. Shipboard Medical, Telemedicine and Seafarer Health: List of medical equipment required on board ships.
IMGS Annex VI X36. Shipboard Medical, Telemedicine and Seafarer Health: List of antidotes for medical first aid in chemical accidents.
IMGS Annex VII X36. Shipboard Medical, Telemedicine and Seafarer Health: Surface area nomogram and clinical reference tables.
IMGS Chapter 1 X36. Shipboard Medical, Telemedicine and Seafarer Health: First aid, examination, and diagnosis chapter.
IMGS Quantification Addendum X36. Shipboard Medical, Telemedicine and Seafarer Health: 2010 WHO companion volume specifying medicine and equipment quantities per Category A, B, C ships.
IMLI F3. Seafaring Life, Education, Professions and Institutions: IMO International Maritime Law Institute in Malta, founded 1988.
IMMA (Important Marine Mammal Area) D3. Marine environmental science, pollution and conservation: IUCN-designated area for marine mammal conservation.
IMMARBE X7. Flag State, Port State Control and Detention Vocabulary: International Merchant Marine Registry of Belize.
Immediate Response X13. Marine Salvage and Wreck Removal: Initial 24 to 72 hours when salvor reaches casualty and stabilises situation.
Immersed Body Method X54. Naval Architecture Software and IACS Rules: Numerical technique used in some CFD codes for moving ship geometries.
Immersion Heater X63. Marine Auxiliary Machinery and Pumps: Electric heater inserted into a fluid for tank heating, often used as a fuel preheater.
Immersion Suit X31. Helicopter Operations on Ships: Watertight survival suit worn by passengers and crew on offshore flights.
Immersion Suit Inspection X5. Marine Surveying and Inspection: Annual examination and pressure test of immersion suits.
Immersion Test X5. Marine Surveying and Inspection: Tightness test by external water pressure on watertight closures.
Immigration Boarding Clearance X86. Port Agency, Husbandry and Disbursement: Clearance for immigration officers to board the vessel.
Immigration Clearance In X86. Port Agency, Husbandry and Disbursement: Clearance of crew and vessel through immigration on arrival.
Immigration Clearance Out X86. Port Agency, Husbandry and Disbursement: Clearance through immigration before sailing.
Immigration of arbitrators X152. Maritime Arbitration and Dispute Resolution: Practical visa issue where arbitrators must travel for hearings; addressed by virtual hearings post-2020 in much of LMAA and SCMA practice.
Immingham Outer Harbour X124. Dredging Industry and Reclamation Contractors: UK Humber port expansion completed by Boskalis Westminster.
Immobilization Plan X113. Drydock and Ship Repair Yards: Document setting out procedures and indemnities for periods when main engine and steering are unavailable in dock.
Immunity from suit (arbitrator) X152. Maritime Arbitration and Dispute Resolution: Statutory protection in section 29 English Arbitration Act 1996; also in Article 25 HKIAC Rules.
Immunization record X36. Shipboard Medical, Telemedicine and Seafarer Health: Personal vaccination record carried by each seafarer alongside the ICVP yellow book.
Immutable Backup X25. Maritime Cybersecurity, OT and IT: Backup that cannot be modified or deleted within its retention period, key defense against ransomware.
IMO A1. The IMO and the international regulatory framework: International Maritime Organization, UN specialized agency for shipping safety, security, and pollution prevention.
IMO (International Maritime Organization) X16. Nautical Science, Navigation and COLREGs: UN agency responsible for SOLAS, COLREGs, MARPOL and related instruments.
IMO 1 Tank X83. ISO Container Manufacturing and Leasing: Older IMO designation for a portable tank for hazardous liquids, superseded by UN T11 and similar codes.
IMO 2020 X34. Decarbonization, Alternative Fuels and Carbon Pricing: 0.50% sulfur cap on marine fuels; not a GHG measure but driving fuel mix changes.
IMO 2020 Sulfur Cap X115. Marine Bunker and Cargo Surveying: Global cap on marine fuel sulfur content at 0.50 percent mass by mass, in force since 1 January 2020 under MARPOL Annex VI.
IMO 2020 Sulphur Cap D6. Decarbonization, emissions and alternative fuels: Limit of 0.50 percent sulfur in marine fuel outside ECAs.
IMO 2020 Sulphur Cap Clause (BIMCO) X17. Chartering, Shipbroking and Freight Trading: Allocates responsibilities for the 0.50 percent global sulphur limit.
IMO 5 Tank X83. ISO Container Manufacturing and Leasing: Older IMO designation for a portable gas tank, superseded by UN T50 and T75.
IMO AB X63. Marine Auxiliary Machinery and Pumps: Swedish manufacturer of screw pumps, now part of Colfax Fluid Handling.
IMO ACE X63. Marine Auxiliary Machinery and Pumps: Three-screw pump series from IMO AB used for fuel oil and lube oil duty.
IMO ACF X63. Marine Auxiliary Machinery and Pumps: Three-screw pump series for fuel transfer service.
IMO ACG X63. Marine Auxiliary Machinery and Pumps: Three-screw pump series used as fuel oil booster pumps.
IMO AFS Convention X45. Marine Paints, Coatings and Antifouling: International Convention on the Control of Harmful Anti-fouling Systems on Ships, 2001.
IMO ATBA X27. Polar Code, Ice Navigation and Polar Operations: Areas to Be Avoided adopted under SOLAS V/10.
IMO Audit X142. Classification Societies and Class Notations: Mandatory Member State Audit Scheme under IMO Res A.1067(28).
IMO Audit (IMSAS) A7. Compliance, certification and enforcement: Mandatory state audit under SOLAS XIII and similar provisions.
IMO Audit Scheme X7. Flag State, Port State Control and Detention Vocabulary: IMSAS, mandatory audit of Member States under the III Code, in force since 2016.
IMO casualty analysis X163. Marine Accident Investigation Agencies and Landmark Inquiries: Analytical process by which the III Sub-Committee and its correspondence groups review marine casualty reports to extract systemic safety lessons.
IMO casualty reporting X12. Maritime Casualties and Investigation: Mandatory flag-state submission under SOLAS Regulation I/21 and MARPOL Annex I Regulation 4.3, channeled through GISIS.
IMO COLREG Rule 13 B3. Nautical Science: Overtaking.
IMO COLREG Rule 14 B3. Nautical Science: Head-on situation.
IMO COLREG Rule 15 B3. Nautical Science: Crossing situation.
IMO COLREG Rule 19 B3. Nautical Science: Conduct in restricted visibility.
IMO COLREG Rule 7 B3. Nautical Science: Risk of collision determination.
IMO COLREG Rule 8 B3. Nautical Science: Action to avoid collision.
IMO Convention A1. The IMO and the international regulatory framework: 1948 Convention on the International Maritime Organization, the constituent instrument.
IMO CSS Code X169. Container Terminal Cranes, Yard Equipment, and Lashing: International Maritime Organization Code of Safe Practice for Cargo Stowage and Securing, the umbrella reference for lashing arrangements.
IMO Cyber Risk Management Resolution X48. Maritime Cybersecurity: Common reference to Resolution MSC.428(98) requiring administrations to ensure cyber risks are appropriately addressed in safety management systems.
Imo D-2 Discharge Standard X113. Drydock and Ship Repair Yards: Ballast water performance standard mandating onboard treatment systems, retrofitted during drydock for existing vessels.
IMO data collection system (DCS) X47. Marine Fuel Quality and ISO 8217: Reporting framework that captures fuel oil consumption and CO2 emissions by fuel type, intersecting with bunker quality records.
IMO Day of the Seafarer X102. Seafarer Welfare and Maritime Charities: Annual observance on 25 June established under the 2010 Manila Conference of STCW Parties.
IMO Fishing Vessel Identification Scheme X87. Fishing Vessels and Fisheries Management: Unique seven digit IMO number for fishing vessels of 100 gross tonnage and above, voluntary for smaller vessels.
IMO Grade X93. IBC Code and Chemical Tanker Operations: Hazard ranking entry within the IBC Code Chapter 17 summary table indicating the ship type required for a given product.
IMO Identification Number X66. Port State Control and Regional MOUs: Unique seven-digit IMO number assigned under SOLAS XI-1/3, used in PSC databases.
IMO Initial GHG Strategy X69. EGCS Scrubbers, SCR and Marine Air Emissions: 2018 IMO strategy setting first targets for shipping greenhouse gas emissions.
IMO Initial Strategy 2018 X34. Decarbonization, Alternative Fuels and Carbon Pricing: Resolution MEPC.304(72) setting reduction goals of at least 40% by 2030 and 50% by 2050 versus 2008.
IMO International Maritime Law Institute X121. Maritime Education, Academies and Universities: See IMLI.
IMO Intervention Convention X60. Marine Salvage and Wreck Removal: 1969 treaty allowing coastal state action against foreign flag casualties on the high seas to prevent pollution.
IMO LCA Guidelines X34. Decarbonization, Alternative Fuels and Carbon Pricing: Resolution MEPC.376(80) on lifecycle GHG intensity of marine fuels using WtW, WtT, and TtW boundaries.
IMO LPE X63. Marine Auxiliary Machinery and Pumps: Twin-screw pump series for cargo and stripping service.
IMO LPQ X63. Marine Auxiliary Machinery and Pumps: Three-screw pump series for cargo and process service.
IMO Marine Safety Committee (MSC) role X163. Marine Accident Investigation Agencies and Landmark Inquiries: Body of the IMO that adopts the Casualty Investigation Code and considers safety lessons from analysed casualty reports.
IMO MASS Code X25. Maritime Cybersecurity, OT and IT: Code for Maritime Autonomous Surface Ships expected for adoption in May 2026.
IMO MASS Roadmap X109. Maritime Autonomous Surface Ships and MASS Code: The pathway approved at MSC 105 in April 2022 targeting a non mandatory MASS Code by 2024 and a mandatory MASS Code by 2028.
IMO MASS Working Group X109. Maritime Autonomous Surface Ships and MASS Code: The working group established under the Maritime Safety Committee to develop the MASS Code.
IMO Member State Audit Scheme X7. Flag State, Port State Control and Detention Vocabulary: See IMSAS.