Glossary

Maritime glossary, terms beginning with I (page 4)

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

Showing 250 of 2628 terms (page 4 of 11).

IMO MEPC D6. Decarbonization, emissions and alternative fuels: Marine Environment Protection Committee setting environmental rules.
IMO MEPC 311(73) X111. Methanol, Ammonia and Alternative Marine Fuels: MEPC resolution of 2018 addressing biofuel reporting under the IMO Data Collection System.
IMO MEPC Resolution 378(80) X45. Marine Paints, Coatings and Antifouling: 2023 Biofouling Guidelines for the control and management of ships' biofouling.
IMO MEPC.196(62) X28. Ship Recycling and End-of-Life: 2011 Guidelines for the Development of the Inventory of Hazardous Materials.
IMO MEPC.207(62) X165. Marine Coatings, Antifouling, and Hull Husbandry: Guidelines for the Control and Management of Ships' Biofouling adopted 2011 and recently superseded.
IMO MEPC.210(63) X28. Ship Recycling and End-of-Life: 2012 Guidelines for Safe and Environmentally Sound Ship Recycling.
IMO MEPC.211(63) X28. Ship Recycling and End-of-Life: 2012 Guidelines for the Authorization of Ship Recycling Facilities.
IMO MEPC.222(64) X28. Ship Recycling and End-of-Life: 2012 Guidelines for the Survey and Certification of Ships under the HKC.
IMO MEPC.223(64) X28. Ship Recycling and End-of-Life: 2012 Guidelines for the Inspection of Ships under the HKC.
IMO MEPC.264(68) X52. Polar Code, Arctic and Antarctic Shipping: IMO Marine Environment Protection Committee resolution adopted on 15 May 2015 introducing the environmental provisions of the Polar Code through MARPOL amendments.
IMO MEPC.269(68) X28. Ship Recycling and End-of-Life: 2015 revised Guidelines for the Development of the Inventory of Hazardous Materials.
IMO MEPC.295(71) X126. Marine Oil Spill Response and OPRC Regimes: 2017 Guidelines for the sampling and identification of oil spills, harmonizing CEN/TR 15522-2 worldwide.
Imo MEPC.297(72) X113. Drydock and Ship Repair Yards: IMO resolution providing the implementation schedule and renewal survey trigger for BWMS retrofits.
IMO MEPC.329(76) X52. Polar Code, Arctic and Antarctic Shipping: IMO Marine Environment Protection Committee resolution adopted on 17 June 2021 amending MARPOL Annex I to ban use and carriage for use of HFO in Arctic waters.
IMO MEPC.378(80) X165. Marine Coatings, Antifouling, and Hull Husbandry: 2023 Revised Guidelines for the Control and Management of Ships' Biofouling adopted at MEPC 80.
IMO MEPC.385(81) X133. Polar Research Vessels and Polar Code Regimes: 2024 MEPC resolution clarifying HFO carriage exemption mechanism for the Arctic from 2024.
IMO Model Course F3. Seafaring Life, Education, Professions and Institutions: Standardized training course documents published by the IMO.
IMO Model Course 1.07 X55. Marine Simulators, Training and Maritime Academies: Radar Navigation, Radar Plotting, and Use of ARPA course at the operational level.
IMO Model Course 1.07 Radar Navigation Operational X144. Bridge Simulators, Engine Room Simulators, and Maritime Training Equipment: Foundational radar/ARPA simulator course.
IMO Model Course 1.08 X55. Marine Simulators, Training and Maritime Academies: Radar Navigation at the Management Level course for chief mates and masters.
IMO Model Course 1.08 Radar Navigation Management X144. Bridge Simulators, Engine Room Simulators, and Maritime Training Equipment: Master/Chief Mate radar simulator course.
IMO Model Course 1.13 X55. Marine Simulators, Training and Maritime Academies: Elementary First Aid course supporting STCW Section A-VI/1.
IMO Model Course 1.14 X55. Marine Simulators, Training and Maritime Academies: Medical First Aid course supporting STCW Section A-VI/4-1.
IMO Model Course 1.15 X55. Marine Simulators, Training and Maritime Academies: Medical Care course supporting STCW Section A-VI/4-2 for officers in charge of medical care on board.
IMO Model Course 1.19 X55. Marine Simulators, Training and Maritime Academies: Personal Survival Techniques course aligned with STCW Section A-VI/1-1.
IMO Model Course 1.20 X55. Marine Simulators, Training and Maritime Academies: Fire Prevention and Fire Fighting course aligned with STCW Section A-VI/1-2.
IMO Model Course 1.21 X55. Marine Simulators, Training and Maritime Academies: Personal Safety and Social Responsibilities course aligned with STCW Section A-VI/1-4.
IMO Model Course 1.22 X55. Marine Simulators, Training and Maritime Academies: Ship Simulator and Bridge Teamwork course covering integrated bridge operations.
IMO Model Course 1.22 Ship Simulator and Bridge Teamwork X144. Bridge Simulators, Engine Room Simulators, and Maritime Training Equipment: Standard syllabus for simulator-based BRM.
IMO Model Course 1.23 X55. Marine Simulators, Training and Maritime Academies: Proficiency in Survival Craft and Rescue Boats other than Fast Rescue Boats course.
IMO Model Course 1.25 X55. Marine Simulators, Training and Maritime Academies: General Operator's Certificate for the GMDSS.
IMO Model Course 1.25 GMDSS GOC X144. Bridge Simulators, Engine Room Simulators, and Maritime Training Equipment: GMDSS operator syllabus.
IMO Model Course 1.26 X55. Marine Simulators, Training and Maritime Academies: Restricted Operator's Certificate for the GMDSS.
IMO Model Course 1.27 X55. Marine Simulators, Training and Maritime Academies: Operational Use of Electronic Chart Display and Information Systems.
IMO Model Course 1.27 ECDIS X144. Bridge Simulators, Engine Room Simulators, and Maritime Training Equipment: Generic ECDIS familiarisation syllabus.
IMO Model Course 1.34 Cargo and Ballast Handling Simulator X144. Bridge Simulators, Engine Room Simulators, and Maritime Training Equipment: STCW A-V/1-1 tanker training.
IMO Model Course 1.36 X55. Marine Simulators, Training and Maritime Academies: Tanker Officer Training course covering tanker familiarization.
IMO Model Course 1.39 X55. Marine Simulators, Training and Maritime Academies: Leadership and Teamwork course at the operational level.
IMO Model Course 1.39 Leadership and Teamwork X144. Bridge Simulators, Engine Room Simulators, and Maritime Training Equipment: Management-level competence under Manila Amendments.
IMO Model Course 1.40 X55. Marine Simulators, Training and Maritime Academies: Leadership and Managerial Skills course at the management level.
IMO Model Course 2.03 X55. Marine Simulators, Training and Maritime Academies: Advanced Training for Oil Tanker Cargo Operations.
IMO Model Course 2.04 X55. Marine Simulators, Training and Maritime Academies: Advanced Training for Chemical Tanker Cargo Operations.
IMO Model Course 2.06 X55. Marine Simulators, Training and Maritime Academies: Advanced Training for Liquefied Gas Tanker Cargo Operations.
IMO Model Course 2.07 X55. Marine Simulators, Training and Maritime Academies: Engine Room Resource Management.
IMO Model Course 2.07 Engine Room Simulator X144. Bridge Simulators, Engine Room Simulators, and Maritime Training Equipment: ERS syllabus for management and operational levels.
IMO Model Course 3.12 X55. Marine Simulators, Training and Maritime Academies: Examination and Certification of Seafarers course for administrators.
IMO Model Course 7.01 X55. Marine Simulators, Training and Maritime Academies: Master and Chief Mate program for ships of 500 GT or more.
IMO Model Course 7.02 X55. Marine Simulators, Training and Maritime Academies: Chief Engineer and Second Engineer program for ships powered by main propulsion machinery of 3,000 kW or more.
IMO Model Course 7.03 X55. Marine Simulators, Training and Maritime Academies: Officer in Charge of a Navigational Watch program at the operational level.
IMO Model Course 7.04 X55. Marine Simulators, Training and Maritime Academies: Officer in Charge of an Engineering Watch program at the operational level.
IMO Model Course Series X160. Maritime Academies, Universities, and STCW Certification: IMO published syllabi and course guidance documents for STCW implementation, used by MET institutions worldwide for course design.
IMO MODU Code X31. Helicopter Operations on Ships: International Maritime Organization Code for Mobile Offshore Drilling Units, Chapter 9 covers helideck.
IMO MSC X32. Marine Pilotage and Pilot Operations: Maritime Safety Committee of the International Maritime Organization, which adopts pilot transfer regulations.
IMO MSC Circ.1455 X54. Naval Architecture Software and IACS Rules: Guidelines for the approval of alternatives and equivalents as provided in various IMO instruments.
IMO MSC-FAL.1/Circ.3/Rev.2 X48. Maritime Cybersecurity: Joint MSC FAL circular providing Guidelines on Maritime Cyber Risk Management, revision 2 issued in 2022.
IMO MSC.1/Circ.1175 X30. Tug Operations and Harbour Towage: Guidelines for shipboard towing and mooring equipment, supplementing SOLAS II-1/3-8.
IMO MSC.1/Circ.1318 X30. Tug Operations and Harbour Towage: Guidelines for the fitting and use of fixed carbon dioxide and other fire-fighting systems, including FiFi notations.
IMO MSC.1/Circ.1334 X127. Maritime Security, Anti-Piracy and PMSCs: Guidance to shipowners and ship operators on the prevention and suppression of acts of piracy.
IMO MSC.1/Circ.1353 X104. Project Cargo Forwarders and Heavy Transport: IMO circular providing guidance on the provision of information on heavy cargoes.
IMO MSC.1/Circ.1380 X35. Yacht and Superyacht Industry: IMO Maritime Safety Committee guidance for the use of liferafts for general operations.
IMO MSC.1/Circ.1390 X31. Helicopter Operations on Ships: Guidelines for the construction, installation, and use of ladders.
IMO MSC.1/Circ.1405 X22. Piracy, Maritime Security and Armed Protection: Revised interim guidance to shipowners on use of PCASP.
IMO MSC.1/Circ.1406 X22. Piracy, Maritime Security and Armed Protection: Revised interim recommendations to flag states on use of PCASP.
IMO MSC.1/Circ.1408 X22. Piracy, Maritime Security and Armed Protection: Interim recommendations for port and coastal states regarding PCASP.
IMO MSC.1/Circ.1443 X22. Piracy, Maritime Security and Armed Protection: Interim guidance to private maritime security companies providing PCASP on board ships.
IMO MSC.1/Circ.1456 X35. Yacht and Superyacht Industry: IMO guidance on lifeboat safety inspections.
IMO MSC.128(75) X89. ECDIS and Bridge Equipment Makers: Resolution adopting performance standards for BNWAS.
IMO MSC.232(82) X89. ECDIS and Bridge Equipment Makers: Resolution adopting revised performance standards for ECDIS.
IMO MSC.252(83) X89. ECDIS and Bridge Equipment Makers: Resolution adopting revised performance standards for Integrated Navigation Systems.
IMO MSC.302(87) X89. ECDIS and Bridge Equipment Makers: Resolution adopting performance standards for Bridge Alert Management.
IMO MSC.385(94) X52. Polar Code, Arctic and Antarctic Shipping: IMO Maritime Safety Committee resolution adopted on 21 November 2014 introducing the safety part of the Polar Code as a new SOLAS chapter XIV.
IMO MSC.401(95) X89. ECDIS and Bridge Equipment Makers: Resolution adopting performance standards for multi system shipborne radionavigation receivers.
IMO MSC.428(98) E1. Maritime security, geopolitics and risk: Maritime cyber risk management in SMS.
IMO MSC.86(70) X89. ECDIS and Bridge Equipment Makers: Resolution establishing performance standards for shipborne AIS.
IMO MSC/Circ.967 X99. Marine Salvage Awards and SCOPIC: International Maritime Organization circular of June 2000 recommending master's authority to sign LOF without prior owner approval.
IMO Net-Zero Framework D6. Decarbonization, emissions and alternative fuels: Adopted 2025 mid-term measure combining mandatory GFI standard with economic measure.
IMO Net-Zero Framework (NZF) X34. Decarbonization, Alternative Fuels and Carbon Pricing: Set of mid-term measures adopted at MEPC 83 (April 2025) combining a GHG fuel standard and an economic element.
IMO NOx Tier III B2. Marine Engineering: NOx emission limit for ECA-built engines since 2016/2021.
IMO Number E1. Maritime security, geopolitics and risk: Unique seven-digit ship identifier from IHS Markit on behalf of IMO.
IMO Number Inland Equivalent X33. Inland Navigation and Barge Operations: ENI, the European Number of Identification of inland vessels, assigned via the EHDB.
IMO Number, seafarer X21. STCW Certificates, Crewing and Seafarer Welfare: Unique identifier under IMO Resolution A.1078(28) for individual seafarers.
IMO Polar Code X97. Polar Expedition Cruise and IAATO Operations: International Code for Ships Operating in Polar Waters adopted by the IMO and effective in 2017 under SOLAS Chapter XIV and MARPOL.
IMO PSPC X45. Marine Paints, Coatings and Antifouling: Performance Standard for Protective Coatings adopted as Resolution MSC.215(82) for dedicated seawater ballast tanks and double-side skin spaces of bulk carriers.
IMO PSPC-COT X45. Marine Paints, Coatings and Antifouling: Performance Standard for Protective Coatings adopted as Resolution MSC.288(87) for cargo oil tanks of crude oil tankers.
Imo Pump X174. Marine Engine Maintenance, Overhaul, and Condition Monitoring: Three-screw positive displacement pump from Colfax Imo used as lube oil main and stand-by pump.
IMO Reference Cargo X155. Marine Surveying Practice and Cargo Inspection: A nominal cargo description used in surveys when cross-checking against the IMSBC Code Group A, B, or C classifications.
IMO Res A.694(17) X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS: General requirements for shipborne radio equipment forming part of the GMDSS.
IMO Res A.802(19) X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS: Performance standards for SARTs operating on 9 GHz.
IMO Res A.806(19) X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS: Performance standards for shipborne MF radio installations capable of voice communication and DSC.
IMO Res A.807(19) X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS: Performance standards for Inmarsat-C ship earth stations.
IMO Res A.808(19) X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS: Performance standards for ship earth stations capable of two-way communication.
IMO Res A.811(19) X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS: General requirements for shipborne EPIRBs.
IMO Res A.812(19) X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS: Performance standards for float-free satellite EPIRBs operating through Inmarsat geostationary system.
IMO Res A.813(19) X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS: General requirements for electromagnetic compatibility for all shipborne electrical and electronic equipment.
IMO Res A.819(19) X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS: Performance standards for shipborne GPS receivers.
IMO Res A.824(19) X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS: Performance standards for devices to indicate speed and distance.
IMO Res A.830(19) X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS: Code on alarms and indicators, predecessor to BAM.
IMO Res A.861(20) X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS: Performance standards for VDRs.
IMO Res MSC.112(73) X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS: Revised performance standards for shipborne GPS receivers.
IMO Res MSC.114(73) X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS: Performance standards for DGPS receivers using IALA beacon corrections.
IMO Res MSC.115(73) X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS: Performance standards for shipborne combined GPS/GLONASS receivers.
IMO Res MSC.116(73) X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS: Performance standards for marine transmitting heading devices.
IMO Res MSC.128(75) X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS: Performance standards for Bridge Navigational Watch Alarm Systems (BNWAS).
IMO Res MSC.131(75) X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS: Maintenance of ECDIS operating software.
IMO Res MSC.191(79) X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS: Performance standards for presentation of navigation-related information on shipborne navigational displays.
IMO Res MSC.233(82) X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS: Performance standards for survival craft AIS-SARTs.
IMO Res MSC.401(95) X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS: Performance standards for multi-system shipborne radionavigation receivers.
IMO Res MSC.64(67) X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS: Performance standards for heading control systems.
IMO Res MSC.74(69) X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS: Annex 3 performance standard for AIS adopted in 1998.
IMO Res MSC.86(70) X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS: Performance standards for Inmarsat-F (later FleetBroadband) ship earth stations.
IMO Resolution A1. The IMO and the international regulatory framework: Numbered decision of the Assembly (A.), Council (C.), or a Committee (MSC., MEPC., LEG., FAL., TC.).
IMO Resolution A.1045(27) X94. Port Machinery and Quay Equipment Makers: IMO recommendation on pilot transfer arrangements including ladder construction and rigging.
IMO Resolution A.1052(27) X146. Port State Control Regimes, MoUs, and Inspection Systems: Procedures for Port State Control 2011, the operative IMO procedural guidance superseded by A.1138(31).
IMO Resolution A.1106(29) E1. Maritime security, geopolitics and risk: Revised LRIT guidelines.
IMO Resolution A.1138(31) X146. Port State Control Regimes, MoUs, and Inspection Systems: Procedures for Port State Control 2019, the current consolidated PSC procedures.
IMO Resolution A.1192(33) X151. Maritime Sanctions, Dark Fleet, and Price Cap Regimes: A 2023 resolution on preventing illegal operations in the maritime sector, addressing AIS manipulation and falsification of registration.
IMO Resolution A.424(XI) X89. ECDIS and Bridge Equipment Makers: Performance standards for gyrocompasses adopted in 1979.
IMO Resolution A.535 X173. Mooring, Anchoring, OCIMF MEG4, and Equipment Numeral: IMO recommendation on emergency towing requirements which informs the design of emergency towing arrangements alongside IACS UR.
IMO Resolution A.787(19) X146. Port State Control Regimes, MoUs, and Inspection Systems: The 1995 Procedures for Port State Control, the foundational PSC procedural document.
IMO Resolution A.823(19) X89. ECDIS and Bridge Equipment Makers: Performance standards for ARPA.
IMO Resolution A.849(20) X163. Marine Accident Investigation Agencies and Landmark Inquiries: 1997 IMO Assembly resolution adopting the original (voluntary) Code for the Investigation of Marine Casualties and Incidents.
IMO Resolution A.884(21) X163. Marine Accident Investigation Agencies and Landmark Inquiries: 1999 IMO Assembly resolution providing amendments to the Code for the Investigation of Marine Casualties and Incidents with guidance for investigating human factors.
IMO Resolution A.949(23) X141. Marine Salvage Industry and Wreck Removal Contractors: 2003 Guidelines on Places of Refuge for Ships in Need of Assistance.
IMO Resolution A.962(23) X50. Ship Recycling, Demolition and Hong Kong Convention: The 2003 IMO guidelines on ship recycling that preceded the HKC and introduced the Green Passport concept.
IMO Resolution A.973(24) X146. Port State Control Regimes, MoUs, and Inspection Systems: The original Code for the Implementation of Mandatory IMO Instruments, predecessor to the III Code.
IMO Resolution MEPC.179(59) X50. Ship Recycling, Demolition and Hong Kong Convention: The early 2009 guidance prepared by the Marine Environment Protection Committee informing the HKC adoption package.
IMO Resolution MEPC.196(62) X147. Ship Recycling, Hong Kong Convention, and Recycling Yards: 2011 Guidelines for the Development of the Inventory of Hazardous Materials.
IMO Resolution MEPC.210(63) X147. Ship Recycling, Hong Kong Convention, and Recycling Yards: 2012 Guidelines for Safe and Environmentally Sound Ship Recycling.
IMO Resolution MEPC.211(63) X147. Ship Recycling, Hong Kong Convention, and Recycling Yards: 2012 Guidelines for the Authorization of Ship Recycling Facilities.
IMO Resolution MEPC.222(64) X147. Ship Recycling, Hong Kong Convention, and Recycling Yards: 2012 Guidelines for the Survey and Certification of Ships under the HKC.
IMO Resolution MEPC.223(64) X147. Ship Recycling, Hong Kong Convention, and Recycling Yards: 2012 Guidelines for the Inspection of Ships under the HKC.
IMO Resolution MEPC.264(68) X27. Polar Code, Ice Navigation and Polar Operations: Adopted the Polar Code environmental provisions, May 2015.
IMO Resolution MEPC.265(68) X27. Polar Code, Ice Navigation and Polar Operations: Amendments to MARPOL Annexes I, II, IV, V to make environmental provisions of Polar Code mandatory.
IMO Resolution MEPC.328(76) X27. Polar Code, Ice Navigation and Polar Operations: Revised MARPOL Annex VI; not Polar-Code specific but governs sulphur and other emissions.
IMO Resolution MEPC.379(80) X147. Ship Recycling, Hong Kong Convention, and Recycling Yards: 2023 Guidelines for the Development of the Inventory of Hazardous Materials, replacing MEPC.269(68).
IMO Resolution MSC.202(81) X151. Maritime Sanctions, Dark Fleet, and Price Cap Regimes: The resolution amending SOLAS to require LRIT, complementary to AIS for sanctions monitoring of long-range positions.
IMO Resolution MSC.215(82) X88. Marine Surface Preparation and Coatings Application: International Maritime Organization Performance Standard for Protective Coatings adopted in 2006 for dedicated seawater ballast tanks and double-side skin spaces of bulk carriers.
IMO Resolution MSC.255(84) X98. Ship Registries and Flag States: Resolution adopting the Casualty Investigation Code.
IMO Resolution MSC.257(84) X163. Marine Accident Investigation Agencies and Landmark Inquiries: 2008 resolution adopting consequential SOLAS amendments under which the Casualty Investigation Code became mandatory.
IMO Resolution MSC.385(94) X27. Polar Code, Ice Navigation and Polar Operations: Adopted the Polar Code safety provisions, November 2014.
IMO Resolution MSC.386(94) X27. Polar Code, Ice Navigation and Polar Operations: Amendments to SOLAS adding new Chapter XIV to make Polar Code mandatory.
IMO Resolution MSC.387(94) X27. Polar Code, Ice Navigation and Polar Operations: Polar Code amendments to STCW for V/3 polar training.
IMO Resolution MSC.428(98) X22. Piracy, Maritime Security and Armed Protection: 2017 resolution requiring cyber risks to be addressed in the SMS from the first DOC annual verification after 1 January 2021.
IMO Resolution MSC.488(103) X159. Marine Pilotage, Pilot Districts, and Pilots' Associations: 2021 SOLAS V/23 amendment package on pilot transfer arrangements entering into force on 1 January 2024 with full application by 1 July 2024.
IMO Revised GHG Strategy X69. EGCS Scrubbers, SCR and Marine Air Emissions: 2023 IMO strategy targeting net-zero emissions from international shipping around 2050.
IMO Revised Strategy 2023 X34. Decarbonization, Alternative Fuels and Carbon Pricing: Resolution MEPC.377(80) adopted July 2023; strengthens ambition to net-zero by or around 2050 with checkpoints of 20% (striving 30%) by 2030 and 70% (striving 80%) by 2040 versus 2008.
IMO Salvage Convention X60. Marine Salvage and Wreck Removal: International Convention on Salvage, adopted in London on 28 April 1989, in force 1996.
IMO Severe Wind and Rolling criterion X162. Naval Architecture, Stability, Resistance, and Structural Design: Weather criterion of the 2008 IS Code requiring that the ship withstand a beam wind plus rolling without exceeding downflooding angle.
IMO Ship Identification Number X28. Ship Recycling and End-of-Life: Permanent vessel identifier referenced on recycling documents.
IMO Ship Identification Number Scheme X7. Flag State, Port State Control and Detention Vocabulary: Resolution A.1117(30), making IMO numbers persistent for the life of the hull.
Imo three screw pump X19. Engine Room Watchkeeping and UMS Operations: Trade reference to triple screw lube oil pumps manufactured by Imo Pump.
IMO Tug Master Endorsement X137. Harbour Tugs, Towage Operators and Tug Builders: STCW VI training certifications for masters of tugs above defined sizes.
IMO Type 1 Portable Tank X75. IMDG Code, Classes, Packing and Segregation: Tank with minimum design pressure 1.75 bar, used for severe Class 3, 6.1 and 8 substances.
IMO Type 2 Portable Tank X75. IMDG Code, Classes, Packing and Segregation: Tank with minimum design pressure 1.0 bar, for less hazardous Class 3 and 8 substances.
IMO Type 5 Portable Tank X75. IMDG Code, Classes, Packing and Segregation: Tank for non refrigerated liquefied gases, predecessor to UN portable tank instructions T50.
IMO Type 7 Portable Tank X75. IMDG Code, Classes, Packing and Segregation: Tank for refrigerated liquefied gases, predecessor to UN T75 portable tank instruction.
IMO Type A tank X56. LNG/LPG Carriers and IGC Code: Independent prismatic cargo tank designed using classical ship structural codes, with a full secondary barrier and design vapor pressure below 0.7 bar, common in fully refrigerated LPG carriers.
IMO Type B tank X56. LNG/LPG Carriers and IGC Code: Independent cargo tank designed using detailed analysis with crack propagation evaluation, requiring only a partial secondary barrier, exemplified by Moss spheres and SPB tanks.
IMO Type C tank X56. LNG/LPG Carriers and IGC Code: Independent cargo tank designed as a pressure vessel under pressure vessel codes, with no secondary barrier required, used in semi-refrigerated and pressurized LPG and small-scale LNG service.
IMO Type Code X98. Ship Registries and Flag States: Vessel type classification used in IMO statistics, GISIS, and statutory reporting.
IMO Type II chemical tanker B5. Ship Types and Individual Vessels: Most common chemical tanker type.
IMO Type Notation X135. Chemical Tanker Operators and IBC Code Cargoes: SOLAS-required class notation such as IMO II indicating the cargo-segregation and side-shell-protection level designed into the hull.
IMO type tank X6. Container, Intermodal and Trade Codes: Tank container built to IMO 1, 4, 5, 6, 7, or 8 design standards for liquid, gas, or powder.
IMO Website Attack September 2020 X25. Maritime Cybersecurity, OT and IT: Cyber attack disabled IMO public website and GISIS for several days.
IMO World Maritime Day Parallel Event X119. Maritime Conferences, Trade Shows and Awards: Annual parallel celebration hosted by a member state, complementing London World Maritime Day.
IMO Wreck Removal Convention X167. Major Salvage Companies, Wreck Removals, and Equipment: Common name for the Nairobi International Convention on the Removal of Wrecks 2007.
Imo/ILO Joint Tripartite Working Group X154. Maritime Welfare, Seafarer Charities, and MLC Rights: Body coordinating responses to abandonment, fair treatment after accidents, and other crew welfare issues.
IMOCA X84. Yacht Racing, Regattas and Sailing Governance: International Monohull Open Class Association, governing the IMOCA 60 Open class.
IMOCA 60 F4. Recreational Boating, Yachting and Sport: International Open class for solo and short-handed offshore racing including the Vendee Globe.
IMOS X101. Vessel Brokerage Software and Chartering Platforms: Integrated Maritime Operations System, the Veson Nautical chartering and operations platform first released in the early 2000s.
IMOS (Integrated Maritime Operations System) X78. Voyage Optimization and Vessel Performance Software: A commercial and operational platform from Veson Nautical covering chartering, operations, financials, and demurrage for shipping companies.
IMOS X X101. Vessel Brokerage Software and Chartering Platforms: Cloud-native generation of the Veson IMOS platform announced by Veson Nautical in 2023.
IMPA X15. Ports, Terminals and Stevedoring: International Maritime Pilots Association.
IMPA Code X120. Marine Catering, Provisions and Ship Chandlers: 5-digit numeric identifier issued by the International Marine Purchasing Association covering roughly 50,000 marine stores items.
IMPA London X119. Maritime Conferences, Trade Shows and Awards: Annual exhibition and conference of the International Marine Purchasing Association held since 2009 at ExCeL or other London venues.
IMPA Marine Stores Guide X120. Marine Catering, Provisions and Ship Chandlers: Reference catalogue currently in the 8th edition, organized by section and subsection.
IMPA Pilot Card X32. Marine Pilotage and Pilot Operations: Standard ship information form recommended by IMPA for completion before pilot boarding.
IMPA Pilot Ladder Poster X32. Marine Pilotage and Pilot Operations: Annually published IMPA poster summarizing SOLAS V/23 pilot transfer requirements.
IMPA Pilot Mark X159. Marine Pilotage, Pilot Districts, and Pilots' Associations: Voluntary 1.5 meter painted band on the ship's hull around the pilot embarkation point recommended by IMPA.
IMPA SAGA Programme X120. Marine Catering, Provisions and Ship Chandlers: IMPA training and certification scheme for ship supplier professionals.
IMPA Section 17 X120. Marine Catering, Provisions and Ship Chandlers: Cabin and galley stores including utensils, equipment, and crockery.
IMPA Section 19 X120. Marine Catering, Provisions and Ship Chandlers: Deck stores including ropes, paints, hand tools, and rigging.
IMPA Section 33 X120. Marine Catering, Provisions and Ship Chandlers: Safety equipment including pyrotechnics, BA sets, and fire fighting consumables.
IMPA Section 55 X120. Marine Catering, Provisions and Ship Chandlers: Provisions including dry stores, frozen, dairy, fresh produce, and beverages.
IMPA Section 75 X120. Marine Catering, Provisions and Ship Chandlers: Slop chest items including clothing, footwear, and personal goods for crew.
IMPA SHEQ X120. Marine Catering, Provisions and Ship Chandlers: Self-assessment safety, health, environment, and quality framework used by IMPA member chandlers.
IMPA SHIPSERV Awards X119. Maritime Conferences, Trade Shows and Awards: Joint annual recognition for supply chain excellence in marine purchasing.
Impartiality X152. Maritime Arbitration and Dispute Resolution: Mandatory arbitrator duty under section 33(1)(a) English Arbitration Act 1996 and equivalent provisions worldwide.
IMPCA X135. Chemical Tanker Operators and IBC Code Cargoes: International Methanol Producers and Consumers Association, publisher of the global reference methanol specification followed by Methanex, SABIC, Sipchem and others.
IMPCA Methanol Reference Specifications X2. Marine Bunker Fuels, Lubricants and Bunkering Operations: International Methanol Producers and Consumers Association quality reference for marine methanol.
Impeller X63. Marine Auxiliary Machinery and Pumps: Rotating element of a centrifugal pump imparting energy to the fluid.
Imperial College London Ocean Engineering X160. Maritime Academies, Universities, and STCW Certification: Research and postgraduate ocean engineering activity within Imperial College's mechanical and earth science departments.
Imperial Density X5. Marine Surveying and Inspection: Density in pounds per cubic foot, used in some petroleum calculations.
Imperial Russian Navy F1. Maritime History: Tsarist fleet operative until 1917.
Imperial Russian Navy mine warfare X77. Naval Mine Warfare and Mine Countermeasures: An early twentieth century pioneer of large-scale mining operations, particularly in the Baltic during the First World War.
Imperial Trans-Antarctic Expedition F1. Maritime History: Shackleton's 1914 to 1917 Endurance expedition.
Imperial War Museum, Duxford and London F2. Maritime Culture, Heritage, Archaeology, Art and Museums: Holds maritime collections of both world wars.
Imperial Yachts X125. Superyacht Industry, Builders and Brokers: Monaco based brokerage and project management firm headed by Evgeniy Kochman, central to many Lurssen new builds.
Imperieuse, HMS X39. Pre-1900 Maritime History: Royal Navy frigate famous under Lord Cochrane during the Napoleonic Wars.
Implacable, HMS X39. Pre-1900 Maritime History: French-built third-rate ship of the line captured at Trafalgar and used by the Royal Navy until 1949.
Implied Term X17. Chartering, Shipbroking and Freight Trading: Term read into the charter by law or custom even if not written.
Implied Term of Seaworthiness X114. Maritime Arbitration and Shipping Law Firms: Contractual term implied into voyage and time charters and bills of lading.
Implied warranty of seaworthiness C1. Commercial shipping, chartering, economics and finance: Common law obligation of owner to provide a seaworthy ship.
Import general manifest X6. Container, Intermodal and Trade Codes: IGM, Indian customs document filed by carrier on arrival.
Import licence C3. Logistics, freight forwarding and multimodal trade: Government licence to import specified goods.
Import Pre-Advice X46. Container Terminal Operations: An electronic notice from a shipping line to a terminal listing inbound containers, weights, and destinations ahead of vessel arrival.
Import terminal X56. LNG/LPG Carriers and IGC Code: Coastal facility for receiving LNG cargoes, storing them in cryogenic tanks, and regasifying for pipeline sendout.
Imported Beached Ship X28. Ship Recycling and End-of-Life: Vessel arriving at an Indian or Bangladeshi yard via beaching for recycling.
Imported Food X41. Cruise Ship Public Health and VSP/USPH: Provisions originating outside the US that must come from an approved source under VSP Item 9.
Importer of Record Liaison X86. Port Agency, Husbandry and Disbursement: Liaison with importer of record on customs and release matters.
Importing State X50. Ship Recycling, Demolition and Hong Kong Convention: The state in which the recycling facility is located and to which the end-of-life vessel is dispatched.
Impoundment basin X57. Ocean Energy Beyond Wind: Enclosed area behind a tidal barrage or lagoon used to create the head difference for generation.
Impressed Current X100. Marine Cathodic Protection and Anodes: Protective current supplied by an external DC source rather than by galvanic action of a sacrificial anode.
Impressed Current Cathodic Protection X88. Marine Surface Preparation and Coatings Application: Corrosion protection method that drives DC current through the electrolyte from inert anodes to a coated steel structure to suppress anodic dissolution.
IMPSA X46. Container Terminal Operations: An Argentine heavy engineering firm that has supplied ship-to-shore quay cranes and hydroelectric equipment internationally.
IMR X14. Offshore Oil and Gas Marine Operations: Inspection, maintenance and repair scope for subsea field life.
IMR Bergen X87. Fishing Vessels and Fisheries Management: Norwegian Institute of Marine Research, principal national fisheries science body contributing to ICES.
IMR Vessel (Inspection, Maintenance, Repair) E4. Cruise, offshore energy and auxiliary/specialised fleets: Subsea IMR vessel for installed assets.
IMRay chart X16. Nautical Science, Navigation and COLREGs: Leisure chart series published by Imray, Laurie, Norie and Wilson.
IMRF X80. Maritime Search and Rescue Coordination: International Maritime Rescue Federation, the global body for SAR organizations.
IMS X43. Marine Surveying and Warranty Surveying: International Marine Surveyors, a generic abbreviation used by several independent surveying firms operating globally in cargo and condition work.
IMS Integrated Monitoring System X25. Maritime Cybersecurity, OT and IT: Cargo, engine and auxiliary monitoring system on tankers and bulkers.
IMSAS A1. The IMO and the international regulatory framework: IMO Member State Audit Scheme, mandatory audit of flag, port, and coastal state obligations.
IMSAS (IMO Member State Audit Scheme) X170. SOLAS 1974 Convention: Chapter-by-Chapter Glossary: Mandatory audit cycle under SOLAS XIII and the III Code, conducted on a roughly seven-year cycle for each Member State.
IMSBC Code A2. Maritime safety legislation: SOLAS and its codes: International Maritime Solid Bulk Cargoes Code, mandatory under SOLAS VI/1-1 and VII/7-1.
IMSBC Code (Cargo Residues) X118. Ship Recycling Yards, Beaches and Regulation: Cargo residues governed by the IMSBC Code listed in IHM Part III where remaining at handover.
IMSBC Code Deficiency X146. Port State Control Regimes, MoUs, and Inspection Systems: A 12xxx finding involving inadequate shipper's declaration, missing cargo schedules, or unauthorized stowage of solid bulk cargoes.
IMSF (International Marine Simulator Forum) X144. Bridge Simulators, Engine Room Simulators, and Maritime Training Equipment: International association of simulator centres founded 1979, hosting biennial INSLC.
IMSO A4. Other IMO and ILO conventions and codes: International Mobile Satellite Organization, oversees GMDSS satellite service providers.
IMSO Convention 1976 X158. IMO Conventions, Protocols, Codes, and Resolutions: Convention on the International Mobile Satellite Organization, adopted 3 September 1976 and entered into force 16 July 1979.
IMTA X10. Marine Biology, Fisheries and Oceanography: Integrated Multi-Trophic Aquaculture, co-cultivating species from different trophic levels.
IMTA (Integrated Multi-Trophic Aquaculture) D4. Fisheries, aquaculture, blue economy and marine resources: Aquaculture combining species at different trophic levels.
IMU X14. Offshore Oil and Gas Marine Operations: Inertial measurement unit for motion sensing on DP and survey.
IMU Chennai X121. Maritime Education, Academies and Universities: See Indian Maritime University.
IMUA X103. US Inland Waterway Towing and Barge: Inland Marine Underwriters Association, a US trade body for inland marine insurers.
In ballast X3. Ship Handling, Seamanship and Deck Vocabulary: Carrying no cargo, only ballast.
In Class X8. IACS, Class Rules and Class Notations: status indicating the vessel is currently maintained to the society's rules without overdue items.
In commission X3. Ship Handling, Seamanship and Deck Vocabulary: Manned and ready for service.
In Force 1985 X80. Maritime Search and Rescue Coordination: Year the 1979 SAR Convention entered into force.
In Geographical Rotation X17. Chartering, Shipbroking and Freight Trading: Voyage instruction requiring ports to be visited in geographic sequence.
In irons X3. Ship Handling, Seamanship and Deck Vocabulary: Sailing vessel head to wind and unable to pay off.
In Personam X51. Maritime Arbitration, Law and BIMCO Clauses: A claim against a named person rather than against property.
In Personam Claim X114. Maritime Arbitration and Shipping Law Firms: Action against a defendant by name, available alongside in rem proceedings under English admiralty law.
In Rem A5. Maritime Law, private and commercial: Action against the ship itself, basis of arrest jurisdiction.
In rem Action X4. Marine Insurance, P&I and Claims: Admiralty action against the ship rather than the owner personally.
In Rem Claim X114. Maritime Arbitration and Shipping Law Firms: Action against a ship as defendant, available under CPR 61 in England and Wales and in many common law jurisdictions.
In rem proceedings X152. Maritime Arbitration and Dispute Resolution: Admiralty action against the ship itself; commonly used to obtain security in support of arbitration commenced abroad.
In service training X59. Offshore Wind O&M, CTVs and SOVs: On the job familiarization for new technicians joining a wind farm operations team.
In Situ Burning (ISB) X126. Marine Oil Spill Response and OPRC Regimes: Controlled ignition of contained oil at sea, codified in ASTM F-1788 and NOAA ISB guidance.
In situ measurement X10. Marine Biology, Fisheries and Oceanography: Measurement made directly in the environment.