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Glossary

Maritime glossary, terms beginning with C (page 12)

All maritime glossary terms that begin with the letter C, drawn from every subject section. 4427 entries.

Showing 250 of 4427 terms (page 12 of 18).

Columbia River Bar Pilots X32. Marine Pilotage and Pilot Operations
US state pilots' organization handling Columbia River bar crossings between Pacific Ocean and Astoria.
Columbia River Pilots X32. Marine Pilotage and Pilot Operations
Pilots licensed for the Columbia and Willamette Rivers above Astoria to Portland and Vancouver.
Columbia Shipmanagement X29. Ship Sale and Purchase, Management Contracts and Valuation
Cyprus based third-party manager, part of Columbia Group.
Columbia Shipmanagement Academy X121. Maritime Education, Academies and Universities
Industry training facility in Limassol, Cyprus, run by Columbia Shipmanagement for in-house officer development.
Columbia Shipmanagement Training Centres X160. Maritime Academies, Universities, and STCW Certification
CSM operated training facilities in Cyprus, India, and Philippines supporting cadet sponsorship and officer upgrade courses.
Columbiad X39. Pre-1900 Maritime History
Heavy American naval and coastal gun introduced in 1811.
Columbus Yachts X125. Superyacht Industry, Builders and Brokers
Italian Sea Group brand specializing in steel displacement and crossover yachts.
Columbus, Christopher X39. Pre-1900 Maritime History
Genoese navigator whose 1492 voyage in Niña, Pinta, and Santa María opened sustained European contact with the Americas.
Comanche F4. Recreational Boating, Yachting and Sport
Maxi-yacht record holder of the line-honors era.
Comar AIS X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS
UK manufacturer of AIS Class A and Class B transponders and shore-based AIS receivers.
Comb gauge X45. Marine Paints, Coatings and Antifouling
Notched gauge used to measure wet film thickness immediately after application.
Combat Information Center X11. Naval Vessels, Warship Systems and Naval Architecture
Compartment where sensor data is fused and engagements managed.
Combat Information Center (CIC) E2. Naval, defence and maritime law enforcement
Warship's central tactical decision space.
Combatant Commander (COCOM) E2. Naval, defence and maritime law enforcement
US joint geographic combatant authority.
Combatant module X58. Shipbuilding Yards and Construction
Preoutfitted weapons or sensor block integrated into a naval newbuild.
Combi Dock I X81. Project Cargo, Heavy-Lift and Module Carriers
Harren-managed semi-submersible heavy-lift vessel of the Combi Dock series.
Combi Dock II X81. Project Cargo, Heavy-Lift and Module Carriers
Harren-managed semi-submersible heavy-lift vessel.
Combi Dock III X81. Project Cargo, Heavy-Lift and Module Carriers
Harren-managed semi-submersible heavy-lift vessel.
Combi Dock IV X81. Project Cargo, Heavy-Lift and Module Carriers
Harren-managed semi-submersible heavy-lift vessel.
Combi Drive X79. Tugs and Towage Industry
Schottel propulsion concept combining a cycloidal forward thruster with stern azimuth drives.
Combi Lift X81. Project Cargo, Heavy-Lift and Module Carriers
Heavy-lift project carrier operator within the Harren Group, Bremen, specializing in semi-submersible Combi Dock tonnage.
Combi terminal X15. Ports, Terminals and Stevedoring
facility handling both containers and conventional cargo.
Combi Tug X79. Tugs and Towage Industry
Hybrid tug design integrating azimuth stern drives with a tractor-style forward propulsion arrangement.
Combination arrangement X32. Marine Pilotage and Pilot Operations
Pilot ladder rigged in conjunction with an accommodation ladder for boarding when freeboard exceeds 9 m per SOLAS V/23.
Combination carrier X6. Container, Intermodal and Trade Codes
Vessel able to carry containers and other cargo such as ro-ro or break-bulk.
Combination carrier (OBO, OO, COMBO) B5. Ship Types and Individual Vessels
Ore/Bulk/Oil carriers.
Combination Carrier (OBO) X1. Cargo Science, Commodities and Cargo Care
Ore-Bulk-Oil carrier; rare today.
Combination Carrier (Oil/Bulk/Ore, OBO) E4. Cruise, offshore energy and auxiliary/specialised fleets
Versatile carrier; rare in modern fleet.
Combination Carrier (Reg 1 Annex I) X171. MARPOL 73/78: Annex-by-Annex Detailed Glossary
A ship designed to carry both oil and solid cargoes in bulk, subject to Annex I tanker provisions when carrying oil.
Combination Carrier Recycling X50. Ship Recycling, Demolition and Hong Kong Convention
The dismantling of OBO and OO carriers requiring extensive pre-cleaning of both oil and dry bulk residues.
Combination Carrier Yard X58. Shipbuilding Yards and Construction
Term for yards building OBOs and combination carriers, historically including some Japanese builders.
Combination Packaging X75. IMDG Code, Classes, Packing and Segregation
Packaging composed of one or more inner packagings secured in an outer packaging, IMDG code combinations such as 4G/Y15/S.
Combinator mode (CPP) X38. Propellers, Stern Gear and Shaft Lines
CPP control mode in which pitch and shaft speed follow a coordinated curve from a single lever input.
Combined Available Chlorine X41. Cruise Ship Public Health and VSP/USPH
Chloramine fraction of chlorine residual, less effective as a disinfectant than free chlorine.
Combined Carriage Survey X115. Marine Bunker and Cargo Surveying
Inspection covering both cargo loading and bunker uptake when both take place at the same berth on the same call.
Combined Cycle Constraint X69. EGCS Scrubbers, SCR and Marine Air Emissions
Limitation arising when SCR back-pressure interacts with turbocharger matching.
Combined gas and steam (COGAS) B2. Marine Engineering
Combined-cycle marine plant.
Combined heat and power X42. Offshore Wind Installation and Cable Lay
Onshore reference technology; mentioned to contrast electricity-only offshore wind output.
Combined Hopper X103. US Inland Waterway Towing and Barge
A hopper barge with both covered and open holds.
Combined IHM and EU SRR Audit X28. Ship Recycling and End-of-Life
Integrated verification covering HKC IHM and EU Regulation 1257/2013 requirements.
Combined Marine Pollution Response Plan X60. Marine Salvage and Wreck Removal
National contingency plan integrating government and industry response capabilities.
Combined Maritime Forces X22. Piracy, Maritime Security and Armed Protection
Multinational naval coalition operating in the Middle East, established 2002.
Combined Maritime Forces (CMF) E1. Maritime security, geopolitics and risk
38-nation Bahrain-based multinational naval partnership.
Combined Ratio X117. Marine Insurance Markets, Captives and Reinsurance
Losses plus expenses divided by net earned premium; a key marine market profitability metric reported by IUMI.
Combined sample X149. Marine Fuels, Bunkering, and Alternative Fuels
The representative MARPOL sample assembled from a continuous drip during bunker delivery, sealed in the presence of the supplier and the master.
Combined Single Limit X4. Marine Insurance, P&I and Claims
liability limit applying to combined property damage and bodily injury.
Combined Standard Uncertainty X115. Marine Bunker and Cargo Surveying
Statistical measure aggregating contributing uncertainties of measurement, applied when quantifying survey accuracy.
Combined Steering Gear X63. Marine Auxiliary Machinery and Pumps
Steering arrangement with two power units that can operate together or independently per SOLAS Ch II-1.
Combined sulphur X2. Marine Bunker Fuels, Lubricants and Bunkering Operations
Total sulphur in fuel, measured per ISO 8754 or ASTM D4294.
Combined Task Force 150 X127. Maritime Security, Anti-Piracy and PMSCs
CMF counter-terrorism task force covering 3.2 million square miles of Indian Ocean and Arabian Sea.
Combined Task Force 151 X127. Maritime Security, Anti-Piracy and PMSCs
CMF counter-piracy task force established 8 January 2009, commanded on rotation by member navies.
Combined Task Force 152 X127. Maritime Security, Anti-Piracy and PMSCs
CMF Arabian Gulf maritime security task force.
Combined Task Force 153 X127. Maritime Security, Anti-Piracy and PMSCs
CMF Red Sea task force established 17 April 2022 to address Houthi-era threats.
Combined Transport A5. Maritime Law, private and commercial
Carriage involving more than one mode under a single document.
Combined Transport Agent X86. Port Agency, Husbandry and Disbursement
Agent handling multimodal cargo flows beyond the port call.
Combined Transport Document X83. ISO Container Manufacturing and Leasing
Transport document covering carriage by more than one mode including container leg.
Combined-influence mine X77. Naval Mine Warfare and Mine Countermeasures
A sea mine that requires simultaneous or sequential triggering by two or more influence channels such as acoustic, magnetic, and pressure.
Combiterminal X46. Container Terminal Operations
A facility offering combined rail and road intermodal transfers for containers and swap bodies.
Combiwall X175. Port Engineering, Dredging, Breakwaters, and Quays
Composite sheet pile quay wall combining heavy king piles with intermediate light sheet piles to span between them.
Combustibility X75. IMDG Code, Classes, Packing and Segregation
Property assessed in IMDG 2.4 burn rate test to assign Class 4.1 packing groups.
Combustible Liquid X75. IMDG Code, Classes, Packing and Segregation
National regulatory term in the United States for liquids with flash point above 60 degrees Celsius, generally not Class 3 under IMDG.
Combustion Air Temperature X69. EGCS Scrubbers, SCR and Marine Air Emissions
Engine parameter influencing NOx formation, monitored under Scheme A daily checks.
Combustion catalyst X47. Marine Fuel Quality and ISO 8217
Metallic additive intended to improve burnout of carbon-rich residual fuels in main engine cylinders and boilers.
Combustion chamber X19. Engine Room Watchkeeping and UMS Operations
Volume above piston at TDC where fuel injection and combustion occur.
Combustion Chamber GCU X20. LNG Operations and Custody Transfer
Refractory-lined combustor that disposes of surplus BOG; sized typically for 100 to 150 percent of harbor BOG.
Combustion Gas Sample X5. Marine Surveying and Inspection
Stack sample for EEXI and CII verification surveys.
Combustion management X34. Decarbonization, Alternative Fuels and Carbon Pricing
Engine control measures reducing methane slip on LNG dual-fuel engines.
Combustion Products X75. IMDG Code, Classes, Packing and Segregation
Substances generated during fire of dangerous goods, addressed in EmS fire schedules.
Come about X3. Ship Handling, Seamanship and Deck Vocabulary
Tack a sailing vessel.
Come to X3. Ship Handling, Seamanship and Deck Vocabulary
Bring the ship's head to the wind.
Comerica Bank X49. Ship Finance, Leasing and Maritime Capital Markets
US regional bank with selective involvement in Jones Act and inland marine finance.
Comet X39. Pre-1900 Maritime History
Henry Bell's paddle steamer of 1812, the first commercial passenger steamer in European waters, operating on the Clyde.
Cometto X104. Project Cargo Forwarders and Heavy Transport
Italian manufacturer of self-propelled modular transporters and heavy haul trailers.
Comex X82. Saturation Diving and Offshore Diving Operations
French diving contractor that conducted the Hydra series experimental dives.
Comite Maritime International C1. Commercial shipping, chartering, economics and finance
CMI, body that promotes uniform maritime law.
Command and Control X48. Maritime Cybersecurity
Channel used by malware to receive instructions and exfiltrate data from compromised maritime hosts.
Command and Control (C2) X25. Maritime Cybersecurity, OT and IT
Channel used by attackers to issue instructions to compromised systems.
Command Injection X107. Maritime Cybersecurity and OT Security
Vulnerability allowing an attacker to execute arbitrary operating system commands through an application input.
Commandant of the Coast Guard X130. National Coast Guards and Cutter Fleets
USCG four-star service chief, Admiral Linda Fagan since 2022, first woman to lead a US armed service.
Commencement of arbitration X152. Maritime Arbitration and Dispute Resolution
Formal act of starting an arbitration, defined under section 14 of the English Arbitration Act 1996 typically by service of a notice on the other party.
Commencement of Laytime X17. Chartering, Shipbroking and Freight Trading
Time at which counted laytime begins, governed by NOR and the charter terms.
Commencement of Voyage Survey X43. Marine Surveying and Warranty Surveying
A pre-sailing attendance to verify cargo stowage, securing, stability, and seaworthiness at the load port.
Commerce Raiding E2. Naval, defence and maritime law enforcement
Strategy of attacking enemy merchant shipping.
Commercial Catch D4. Fisheries, aquaculture, blue economy and marine resources
Fish landed by commercial fleets.
Commercial Court (England and Wales) X51. Maritime Arbitration, Law and BIMCO Clauses
The specialist court within the King's Bench Division hearing arbitration applications and complex maritime commercial claims.
Commercial Court London X114. Maritime Arbitration and Shipping Law Firms
Division of the Business and Property Courts hearing high-value shipping disputes and supervising LMAA arbitrations.
Commercial Court Practice Direction X114. Maritime Arbitration and Shipping Law Firms
Procedural rules for the Commercial Court including CPR 58 and the Admiralty and Commercial Courts Guide.
Commercial Frustration X4. Marine Insurance, P&I and Claims
doctrine under which a contract is discharged, relevant to delay-in-start-up insurance.
Commercial Hold X86. Port Agency, Husbandry and Disbursement
Restriction preventing cargo release until payment or documentation is received.
Commercial invoice C3. Logistics, freight forwarding and multimodal trade
Sales invoice for customs and payment.
Commercial Management X29. Ship Sale and Purchase, Management Contracts and Valuation
Service covering chartering, post fixture, and freight collection.
Commercial Maritime Training X21. STCW Certificates, Crewing and Seafarer Welfare
Industry term for STCW approved short courses delivered by private centers.
Commercial Operator X40. Tanker Vetting, SIRE and VIQ
The entity exercising commercial control of the vessel under time or bareboat charter and named on the Q88.
Commercial pilotage X32. Marine Pilotage and Pilot Operations
Pilotage performed under contract by private pilots' cooperatives.
Commercial Salvage X99. Marine Salvage Awards and SCOPIC
Professional salvage undertaken for reward, distinct from voluntary or naval assistance.
Commercial Survey X5. Marine Surveying and Inspection
Survey arranged by owners, charterers, or insurers outside statutory regime.
Commercial yacht X35. Yacht and Superyacht Industry
Yacht registered for commercial use and compliant with a flag-state large yacht code.
Commerzbank Shipping X49. Ship Finance, Leasing and Maritime Capital Markets
Shipping unit of Commerzbank that was wound down during the German bank restructuring of the 2010s.
Commingled Cargo X1. Cargo Science, Commodities and Cargo Care
Two parcels of identical specification carried in the same tank.
Commissary X41. Cruise Ship Public Health and VSP/USPH
Crew dining venue inspected under VSP food sections alongside passenger restaurants.
Commission C1. Commercial shipping, chartering, economics and finance
Brokerage payable to chartering or sale and purchase brokers.
Commission (Address) X161. Shipbroking, Freight Derivatives, and Baltic Indices
Brokerage and address commission deducted from gross freight or hire, typically 1.25 percent address plus 1.25 percent brokerage in dry markets.
Commissioning X42. Offshore Wind Installation and Cable Lay
Sequence of mechanical completion, energization, and performance testing before commercial operation.
Commissioning Engineer X104. Project Cargo Forwarders and Heavy Transport
Specialist who oversees site assembly and start-up after project cargo delivery.
Commissioning SOV X59. Offshore Wind O&M, CTVs and SOVs
CSOV variant of the service operation vessel optimized for the commissioning phase, with enhanced spare parts storage and tool workshops.
Commissioning Survey X43. Marine Surveying and Warranty Surveying
An inspection during installation and start-up of new systems or equipment to verify performance against design specifications.
Commissioning test X18. Ballast Water, Biofouling and Antifouling
Mandatory BWMS performance test on installation introduced by BWM.2/Circ.70/Rev.1.
Commitment Fee X49. Ship Finance, Leasing and Maritime Capital Markets
Fee paid on the undrawn portion of a committed shipping facility.
Committee A1. The IMO and the international regulatory framework
Standing IMO body, namely MSC, MEPC, LEG, TC, and FAL.
Committee Boat X84. Yacht Racing, Regattas and Sailing Governance
The vessel from which the race committee starts and finishes races.
Commodity Arbitration X51. Maritime Arbitration, Law and BIMCO Clauses
A reference under specialist trade rules, distinct from maritime arbitration but often linked through CIF and FOB sale contracts.
Commodity box rate C3. Logistics, freight forwarding and multimodal trade
Box rate set for a specific commodity.
Commodity Chemicals X135. Chemical Tanker Operators and IBC Code Cargoes
Large-volume cargoes such as MEG, methanol, paraxylene and styrene shipped on swing carriers and MR-sized parcel tankers.
Commodity List X75. IMDG Code, Classes, Packing and Segregation
Internal terminal listing of accepted IMDG UN numbers and quantities, used for berth and storage planning.
Commodity Trade Cover X53. Marine Insurance, P&I and Hull Clauses
Cargo cover written for trading houses on standing portfolios of commodity movements under open covers and binding authorities.
Commodity Trade Finance Overlap X49. Ship Finance, Leasing and Maritime Capital Markets
Interface between vessel financing and the trade finance arms supporting cargo owners.
Common Carrier A5. Maritime Law, private and commercial
Carrier offering services to the public, with strict liability at common law.
Common cause failure X12. Maritime Casualties and Investigation
Single underlying defect that defeats redundant safeguards.
Common dolphin X10. Marine Biology, Fisheries and Oceanography
*Delphinus delphis*, a widely distributed small cetacean.
Common Effluent Treatment Plant X50. Ship Recycling, Demolition and Hong Kong Convention
The shared wastewater treatment facility operated by Alang recyclers for plot runoff and process water.
Common Era D5. Coastal processes, sea-level, cryosphere and ocean observation science
Time period used in sea-level reconstructions.
Common Fisheries Policy (EU) X87. Fishing Vessels and Fisheries Management
EU framework under Regulation 1380/2013 governing fishing fleet, access, and conservation measures.
Common Information Sharing Environment (CISE) E1. Maritime security, geopolitics and risk
EU framework integrating maritime surveillance data.
Common Maritime Adventure X157. Marine Loss Adjusters, GA Practice, and Casualty Firms
The shared enterprise of ship, cargo, and freight that underpins the doctrine of general average.
Common Maritime Data Structure (CMDS) E3. Technology, digitalization and smart shipping
IHO/IMO data-modeling under S-100.
Common Operating Picture (COP) X126. Marine Oil Spill Response and OPRC Regimes
Shared visualization of spill response under ICS, often via NOAA ERMA.
Common Procedural Rules (CPR) X8. IACS, Class Rules and Class Notations
IACS procedures for survey, certification and class maintenance applied across members.
Common rail X15. Ports, Terminals and Stevedoring
shared apron rail used by adjacent STS cranes.
Common Rail (CR) X90. Marine Engine Specific Model Enumeration
Fuel injection architecture denoted by the CR suffix on MAN four-stroke models such as 32/44CR and 48/60CR.
Common rail injection B2. Marine Engineering
High-pressure shared rail for electronically controlled injection.
Common Rail Tier III X69. EGCS Scrubbers, SCR and Marine Air Emissions
Modern fuel injection arrangement that supports low-NOx combustion alongside aftertreatment.
Common Sea Picture E2. Naval, defence and maritime law enforcement
Shared MDA dataset among allied units.
Common Structural Rules X54. Naval Architecture Software and IACS Rules
IACS harmonized hull rules for bulk carriers and oil tankers, effective 1 July 2015 for new build contracts.
Common Structural Rules (CSR) X8. IACS, Class Rules and Class Notations
IACS unified scantling rules for bulk carriers and oil tankers in force since 1 April 2006.
Common Structural Rules CSR-H X162. Naval Architecture, Stability, Resistance, and Structural Design
IACS Harmonised CSR for bulk carriers and oil tankers, effective 1 July 2015, replacing the 2006 separate CSR-BC and CSR-OT.
Common Terms Agreement X49. Ship Finance, Leasing and Maritime Capital Markets
Shared document used in multi tranche shipping project financings.
Common Vetting Inspection Pool X40. Tanker Vetting, SIRE and VIQ
Informal term for the practice by which a single SIRE inspection is referenced by multiple Submitting Member charterers within its 6-month validity.
Common Vulnerabilities and Exposures X48. Maritime Cybersecurity
Reference catalog of publicly disclosed software flaws, including those affecting maritime systems.
Common Vulnerabilities and Exposures (CVE) E1. Maritime security, geopolitics and risk
Catalog of publicly disclosed cyber flaws.
Common Vulnerability Scoring System X48. Maritime Cybersecurity
Standard for rating the severity of disclosed software flaws.
Communicable Disease Log X41. Cruise Ship Public Health and VSP/USPH
Medical center record of cases beyond AGE, including influenza-like illness and rash illnesses.
Communicable disease notification X36. Shipboard Medical, Telemedicine and Seafarer Health
Master notifies next port via Maritime Declaration of Health under IHR 2005.
Communication Coverage X133. Polar Research Vessels and Polar Code Regimes
Polar Code mandates two-way voice and data over 70 degrees latitude, typically via Iridium since GMDSS Sea Area A4 lacks geostationary cover.
Communications Channel 13 X103. US Inland Waterway Towing and Barge
VHF marine channel used for bridge-to-bridge navigation communications including lock calling on US inland waters.
Communications Channel 16 X103. US Inland Waterway Towing and Barge
VHF marine distress and calling channel.
Commutation X117. Marine Insurance Markets, Captives and Reinsurance
The negotiated extinguishment of outstanding reinsurance liabilities for a lump sum payment.
Comoros X7. Flag State, Port State Control and Detention Vocabulary
Open registry flag often appearing on Paris MoU black list.
Comoros Flag X28. Ship Recycling and End-of-Life
Open registry occasionally used for last-voyage flag changes.
Comoros Ship Registry X98. Ship Registries and Flag States
Open registry of the Union of the Comoros, often cited among questionable open registries.
Compact Pack Ice X52. Polar Code, Arctic and Antarctic Shipping
WMO sea ice concentration of ten tenths with no water visible.
Compact Reconfigurable IO (cRIO) X96. Hull Integrity Monitoring and Strain Gauges
National Instruments distributed data acquisition platform combining controller, FPGA, and modular IO for strain and vibration measurement.
Compacted ice X27. Polar Code, Ice Navigation and Polar Operations
Ice pack compressed and concentrated by wind or current.
Compaction X9. Cargo Securing, Lashing and Stability Vocabulary
Settling of bulk cargo reducing its volume during voyage.
Compaction grouting X175. Port Engineering, Dredging, Breakwaters, and Quays
Injection of low-mobility grout into loose granular soils to densify them prior to quay or breakwater construction.
CompactRIO NI-9237 X96. Hull Integrity Monitoring and Strain Gauges
Bridge-based analog input module from National Instruments designed for strain gauge measurement on the cRIO platform.
Compagnie du Ponant X64. Cruise Industry Operators, Brands and Ships
French luxury and expedition cruise operator commonly known as Ponant.
Compagnie Maritime Belge Demolition Records X50. Ship Recycling, Demolition and Hong Kong Convention
Historical company-specific recycling records used for legacy vessel due diligence.
Companhia Brasileira de Bunker X116. Global Bunker Anchorages, Hubs and Supply Infrastructure
Brazilian physical supplier serving Santos, Rio de Janeiro, and Paranagua anchorages.
Companion Catalogue X120. Marine Catering, Provisions and Ship Chandlers
ISSA's cross-reference index between ISSA and IMPA codes.
Companionway X3. Ship Handling, Seamanship and Deck Vocabulary
Stairway leading from one deck to another.
Company Audit X40. Tanker Vetting, SIRE and VIQ
An internal or external audit of the operator's shore organization referenced under TMSA Element 10 (Management of Change) and Element 11 (Casualties and Incidents).
Company DOC Performance X66. Port State Control and Regional MOUs
Performance metric of the ISM company holding the DOC, calculated from detentions and deficiencies, used in Ship Risk Profile.
Company Performance Calculator X66. Port State Control and Regional MOUs
Paris MOU online tool that calculates a company's PSC performance band.
Company Security Officer X21. STCW Certificates, Crewing and Seafarer Welfare
CSO, ashore appointed individual under ISPS Code Part A Section 11.
Company Security Officer (CSO) E1. Maritime security, geopolitics and risk
ISPS-designated shore officer responsible for ship security.
Comparable Sales X29. Ship Sale and Purchase, Management Contracts and Valuation
Recent transactions used as benchmark for market valuation.
Comparator X45. Marine Paints, Coatings and Antifouling
ISO 8503 surface profile comparator used by inspectors to visually grade blast-cleaned steel.
Comparator Type G X88. Marine Surface Preparation and Coatings Application
ISO 8503-2 reference panel for surfaces blast cleaned with grit-type abrasive.
Comparator Type S X88. Marine Surface Preparation and Coatings Application
ISO 8503-2 reference panel for surfaces blast cleaned with shot-type abrasive.
Compartment standard X24. Cruise, Passenger Ship and Ferry Operations
Number of adjacent compartments a passenger ship can flood and still meet damage stability.
Compass Adjuster X89. ECDIS and Bridge Equipment Makers
Licensed practitioner who corrects deviation in a magnetic compass using Flinders bar and Kelvin spheres.
Compass adjustment X16. Nautical Science, Navigation and COLREGs
Process of minimizing deviation by placing correctors.
Compass Adjustment Survey X5. Marine Surveying and Inspection
Verification of magnetic compass deviation table by licensed adjuster.
Compass bearing X16. Nautical Science, Navigation and COLREGs
Bearing taken from the magnetic or gyro compass.
Compass course B3. Nautical Science
Course referenced to compass north.
Compass deviation B3. Nautical Science
Difference between magnetic and compass north.
Compass deviation (high latitude) X27. Polar Code, Ice Navigation and Polar Operations
Larger and more variable magnetic deviation due to proximity to magnetic poles.
Compass error B3. Nautical Science
Combined deviation and variation.
Compass IS X54. Naval Architecture Software and IACS Rules
Spanish software company developer of Tdyn CFD and FEA suite used in marine and industrial simulation.
Compass Maritime X29. Ship Sale and Purchase, Management Contracts and Valuation
New Jersey based S&P broker and valuation house.
Compass Maritime Services X71. Shipbrokers and Brokerage Firms
New Jersey-based shipbroker specializing in dry bulk S&P and chartering.
Compass north X16. Nautical Science, Navigation and COLREGs
Direction indicated by the compass needle.
Compass Rose F1. Maritime History
Wind rose device printed on charts since the portolan era of the late thirteenth century.
Compass Safe Distance X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS
Minimum distance from magnetic compass at which equipment may be installed without disturbance.
Compassionate Repatriation X154. Maritime Welfare, Seafarer Charities, and MLC Rights
Repatriation triggered by family bereavement or emergency, sometimes funded by missions where shipowners refuse.
Compatibility X2. Marine Bunker Fuels, Lubricants and Bunkering Operations
Ability of two fuels to be mixed without precipitation of asphaltenes, assessed by spot test (ASTM D4740).
Compatibility (Chemical) X1. Cargo Science, Commodities and Cargo Care
Chart-based check (USCG, IMO MEPC.2/Circ) for adjacent tank loading.
Compatibility Group X75. IMDG Code, Classes, Packing and Segregation
For Class 1 explosives, letters A to S indicating which articles or substances may be stowed together.
Compatibility Group A X172. IMDG Code: Classes, Divisions, Segregation, and Key UN Numbers
Primary explosive substance, e.g., UN 0074 diazodinitrophenol wetted.
Compatibility Group B X172. IMDG Code: Classes, Divisions, Segregation, and Key UN Numbers
Article containing a primary explosive substance with fewer than two effective protective features.
Compatibility Group C X172. IMDG Code: Classes, Divisions, Segregation, and Key UN Numbers
Propellant explosive substance or other deflagrating explosive or article containing such, e.g., single-base propellant.
Compatibility Group D X172. IMDG Code: Classes, Divisions, Segregation, and Key UN Numbers
Secondary detonating explosive substance or black powder or article containing a secondary detonating explosive substance without means of initiation.
Compatibility Group E X172. IMDG Code: Classes, Divisions, Segregation, and Key UN Numbers
Article containing a secondary detonating explosive substance with means of initiation, without propelling charge.
Compatibility Group F X172. IMDG Code: Classes, Divisions, Segregation, and Key UN Numbers
Article containing secondary detonating explosive substance with its means of initiation and a propelling charge or without a propelling charge.
Compatibility Group G X172. IMDG Code: Classes, Divisions, Segregation, and Key UN Numbers
Pyrotechnic substance or article containing a pyrotechnic substance, e.g., signal flares UN 0093.
Compatibility Group H X172. IMDG Code: Classes, Divisions, Segregation, and Key UN Numbers
Article containing both an explosive substance and white phosphorus.
Compatibility Group J X172. IMDG Code: Classes, Divisions, Segregation, and Key UN Numbers
Article containing both an explosive substance and flammable liquid or gel.
Compatibility Group K X172. IMDG Code: Classes, Divisions, Segregation, and Key UN Numbers
Article containing both an explosive substance and a toxic chemical agent.
Compatibility Group L X172. IMDG Code: Classes, Divisions, Segregation, and Key UN Numbers
Explosive substance or article containing a substance presenting a special risk needing isolation, e.g., damaged or suspect goods.
Compatibility Group N X172. IMDG Code: Classes, Divisions, Segregation, and Key UN Numbers
Articles containing only extremely insensitive detonating substances.
Compatibility Group S X172. IMDG Code: Classes, Divisions, Segregation, and Key UN Numbers
Substance or article so packed or designed that any hazardous effects arising from accidental functioning are confined within the package, e.g., 1.4S consumer fireworks.
Compatibility Groups (Class 1) X1. Cargo Science, Commodities and Cargo Care
Letters A-S defining stowage and segregation of explosives.
Compatibility Letter X155. Marine Surveying Practice and Cargo Inspection
A document signed before loading mixed cargoes confirming that the proposed parcels will not react adversely, often based on surveyor sampling.
Compatibility Pattern X80. Maritime Search and Rescue Coordination
A search pattern selected for compatibility with available SRU capabilities.
Compatibility spot test X47. Marine Fuel Quality and ISO 8217
ASTM D4740 procedure assessing residual fuel compatibility by depositing a heated drop on filter paper and rating against reference spots.
Compatibility Study X20. LNG Operations and Custody Transfer
Joint analysis between ship and STS or jetty operator covering mooring, manifold, and ESD before transfer.
Compatibility Study (Bunkering) X110. LNG Bunkering Infrastructure and Vessels
Pre-bunkering technical assessment confirming manifold alignment, cryogenic material compatibility, ESD interconnection, and custody transfer arrangements between bunker vessel and receiver.
Compatibility Table X172. IMDG Code: Classes, Divisions, Segregation, and Key UN Numbers
Table 7.2.7.1.4 listing permissible mixed stowage of Class 1 compatibility groups.
Compensated Cargo Handling X14. Offshore Oil and Gas Marine Operations
Heave-compensated crane lifts to fixed structures.
Compensated Gross Tonnage X98. Ship Registries and Flag States
Measure converting Gross Tonnage to reflect shipbuilding workload across vessel types.
Compensating Control X25. Maritime Cybersecurity, OT and IT
Alternate safeguard used when a required control is not feasible.
Compensating Nozzle X38. Propellers, Stern Gear and Shaft Lines
Asymmetric nozzle (Schneekluth or similar) profiled to compensate hull wake asymmetry.
Compensation (Article 14) X99. Marine Salvage Awards and SCOPIC
Special compensation regime introduced to provide a safety net where salvors prevent environmental damage but salved values are low.
Compensation depth X10. Marine Biology, Fisheries and Oceanography
Depth at which photosynthesis equals respiration in a phytoplankter.
Compensation for delay C1. Commercial shipping, chartering, economics and finance
Damages payable for failure to deliver or load on time.
Compensation for Environmental Salvage X60. Marine Salvage and Wreck Removal
Payment to salvors who prevent or minimize environmental damage, formalized under Article 14 and SCOPIC.
Compensation, Sound Velocity X129. Hydrographic Offices, Survey Vessels and Marine Cartography
Real-time correction of beam angles in a multibeam sonar using surface and through-water sound speed measurements.
Compensator X19. Engine Room Watchkeeping and UMS Operations
Bellows piece absorbing thermal expansion in exhaust and steam piping.
Competence X21. STCW Certificates, Crewing and Seafarer Welfare
Demonstrated ability to perform STCW listed tasks to the standard in Code Part A.
Competent Authority X28. Ship Recycling and End-of-Life
Government authority designated under HKC or Basel Convention to administer recycling rules.
Competent Authority (Annex IV) X171. MARPOL 73/78: Annex-by-Annex Detailed Glossary
The authority of a State Party designated to approve sewage treatment plants under MEPC.227(64) standards.
Competent Authority, Recycling State X50. Ship Recycling, Demolition and Hong Kong Convention
The government authority designated under HKC Article 2 to authorize and supervise recycling facilities, such as the Gujarat Maritime Board for Alang.
Competing broker X71. Shipbrokers and Brokerage Firms
Independent broker on the same side of a deal, sometimes leading to "two brokers, one principal."
Compilation Scale X73. Marine Hydrography, Charting and ENC
The intended display scale of an ENC cell, encoded in the M_CSCL meta object.
Complacency X12. Maritime Casualties and Investigation
Behavioral factor in which routine experience suppresses vigilance.
Complaint Handling Procedure (Onboard) X154. Maritime Welfare, Seafarer Charities, and MLC Rights
Mandatory under MLC Regulation 5.1.5 enabling seafarers to raise grievances on board.
Complaint Handling Procedure (Onshore) X154. Maritime Welfare, Seafarer Charities, and MLC Rights
Mandatory under MLC Regulation 5.2.2 enabling seafarers to complain to port-state authorities.
Completion X14. Offshore Oil and Gas Marine Operations
Sequence preparing a drilled well for production with tubing and tree.
Compliance Assurance X40. Tanker Vetting, SIRE and VIQ
The TMSA process by which an operator demonstrates that procedures are being followed in practice across the fleet.
Compliance Audit X22. Piracy, Maritime Security and Armed Protection
ISPS verification of a Ship Security Plan by the flag state or recognized security organization.
Compliance balance (FuelEU) X34. Decarbonization, Alternative Fuels and Carbon Pricing
Difference between a ship's attained and target GHG intensity multiplied by total energy used.
Compliance Communication (OFAC) E1. Maritime security, geopolitics and risk
A Framework for OFAC Compliance Commitments (2019).
Compliance Fuel X69. EGCS Scrubbers, SCR and Marine Air Emissions
Marine fuel that meets the prevailing MARPOL Annex VI sulfur limit without further treatment.
Compliance gap X12. Maritime Casualties and Investigation
Difference between regulatory requirement and observed practice on board.
Compliance Inspection (MLC) X102. Seafarer Welfare and Maritime Charities
Inspection by a flag state authority or recognized organization to issue or renew a Maritime Labour Certificate.
Compliance manual C2. Ship operations, crewing and technical management
Company manual aligning operations with ISM.
Compliance Monitoring Device (CMD) X18. Ballast Water, Biofouling and Antifouling
Optional sensor used to verify BWMS performance in service.
Compliance Pack X86. Port Agency, Husbandry and Disbursement
Bundle of certificates checked by the agent including ISM, ISPS, and class.
Compliance period (FuelEU) X34. Decarbonization, Alternative Fuels and Carbon Pricing
Calendar year for which GHG intensity must be calculated and verified.
Compliance Plan X69. EGCS Scrubbers, SCR and Marine Air Emissions
Document describing how a ship will meet sulfur and NOx limits across its trading pattern.
Compliance Score X41. Cruise Ship Public Health and VSP/USPH
Final VSP inspection result on the 86-point scale, with 86 or above considered satisfactory.
Compliance Survey X5. Marine Surveying and Inspection
Verification of compliance with specific regulations such as MARPOL Annex VI.
Compliance, MLC X21. STCW Certificates, Crewing and Seafarer Welfare
Title 5 framework requiring flag, port, and labor supplying State inspections.
Compliant facility X147. Ship Recycling, Hong Kong Convention, and Recycling Yards
A yard that has been audited and certified against either the EU SRR or the Hong Kong Convention by a competent authority or recognized organization.
Compliant Fuel X115. Marine Bunker and Cargo Surveying
Marine fuel meeting the applicable sulfur cap, currently 0.50 percent globally and 0.10 percent in SECAs under MARPOL Annex VI.
ComplyAdvantage X74. AIS Data, Vessel Tracking and Maritime Intelligence
UK regtech screening provider whose data feeds support maritime sanctions checks.
Composite X125. Superyacht Industry, Builders and Brokers
Hull material blending carbon, glass, and Kevlar fibers with epoxy resin, used by Baltic, Vitters, and Wally.