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 Link X173. Mooring, Anchoring, OCIMF MEG4, and Equipment Numeral
- Standard stud or studless link making up the bulk of an anchor cable shot, as distinct from enlarged or end links.
- 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-BC&OT) B4. Shipbuilding, Materials, Sea Trials, Retrofits and Recycling
- Harmonized class rules.
- 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 Card F5. The Reference Layer: Glossary, Units, Signals and Information Sources
- Graduated card of the magnetic 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.