Glossary
Maritime glossary, terms beginning with C (page 13)
All maritime glossary terms that begin with the letter C, drawn from every subject section. 4427 entries.
Showing 250 of 4427 terms (page 13 of 18).
- Composite blade X42. Offshore Wind Installation and Cable Lay
- Glass and carbon fiber reinforced polymer wind turbine blade, principal product of LM Wind Power and TPI Composites.
- Composite Boiler X63. Marine Auxiliary Machinery and Pumps
- Auxiliary boiler combining oil firing and exhaust gas heating in a single shell.
- Composite breakwater X175. Port Engineering, Dredging, Breakwaters, and Quays
- Breakwater with a rubble mound base supporting a vertical concrete superstructure, common in deep water.
- Composite great circle X16. Nautical Science, Navigation and COLREGs
- Track combining great-circle and limiting-latitude rhumb-line segments.
- Composite group flashing light B3. Nautical Science
- Light with groups of differing flash counts.
- Composite Hull X132. High-Speed Craft, Hydrofoils and Ferry Operators
- Glass or carbon fibre reinforced plastic primary structure, common on craft below 50 m and on Brodrene Aa Norwegian builds.
- Composite Index X161. Shipbroking, Freight Derivatives, and Baltic Indices
- Weighted average of sub-indices such as the BDI which weights BCI, BPI, BSI, and BHSI equally at 25 percent each.
- Composite Insurer X4. Marine Insurance, P&I and Claims
- insurer authorized to write both life and general business, the latter including marine.
- Composite Material Inventory X50. Ship Recycling, Demolition and Hong Kong Convention
- The IHM Part I record of glass-reinforced plastic, carbon fiber, and sandwich panels aboard the ship.
- Composite Packaging X75. IMDG Code, Classes, Packing and Segregation
- Packaging consisting of an outer packaging and an inner receptacle that act as an integral unit, codes 6HA1, 6HG2, etc.
- Composite Patch X141. Marine Salvage Industry and Wreck Removal Contractors
- Glass-reinforced plastic patch used on smaller hulls or stainless steel cargo tanks.
- Composite Pattern X80. Maritime Search and Rescue Coordination
- Combination of two search patterns used together to maximize probability of detection.
- Composite Policy X4. Marine Insurance, P&I and Claims
- single policy covering several insureds with distinct interests.
- Composite Pressure Receptacle X75. IMDG Code, Classes, Packing and Segregation
- Cylinder with metal liner reinforced with composite material, designed per ISO standards referenced in IMDG 6.2.
- Composite propeller X38. Propellers, Stern Gear and Shaft Lines
- Carbon or glass fiber reinforced polymer propeller, offered for example by Airborne and Solas.
- Composite reference line X34. Decarbonization, Alternative Fuels and Carbon Pricing
- Aggregate EEDI baseline used in regulatory phase determination.
- Composite sample X2. Marine Bunker Fuels, Lubricants and Bunkering Operations
- Continuous drip sample collected throughout the bunker transfer.
- Composite Settlement Period X44. Shipping Indices, FFAs and Freight Markets
- Time window over which daily index prints are averaged to derive an FFA contract's final settlement value.
- Compositeworks X156. Superyacht Industry, Builders, and Yacht Charter Market
- Composite refit and new build yard at La Ciotat, France, specializing in large yacht repairs and rebuilds.
- Compounded oil X61. Marine Lubricants and Cylinder Oils
- Lubricant in which a base oil is treated with fatty oils or additives, historically used for steam cylinder service.
- Comprehensive Sanctions X151. Maritime Sanctions, Dark Fleet, and Price Cap Regimes
- Embargoes that prohibit virtually all trade with a jurisdiction (currently Cuba, Iran, North Korea, Syria, the Crimea, Donetsk, Luhansk, Kherson, and Zaporizhzhia regions of Ukraine).
- Compressed Air Dewatering X13. Marine Salvage and Wreck Removal
- Use of air pressure to expel water from sealed tanks or compartments.
- Compressed Air Quality X88. Marine Surface Preparation and Coatings Application
- Cleanliness of air supplied to blast and spray equipment, verified by ASTM D4285 blotter test and graded for breathing air to Grade D per CGA G-7.1.
- Compressed air receiver X19. Engine Room Watchkeeping and UMS Operations
- Pressure vessel storing compressed air for starting, control, and service use.
- Compressed Air Reservoir X63. Marine Auxiliary Machinery and Pumps
- Air receiver for storage of compressed air used in starting, controls, and services.
- Compressed Air Salvage X60. Marine Salvage and Wreck Removal
- Use of compressed air injection into sealed compartments to displace water and restore buoyancy.
- Compressed Gas X75. IMDG Code, Classes, Packing and Segregation
- Gas which when packaged under pressure is entirely gaseous at minus 50 degrees Celsius.
- Compressed Gas Cylinder Inventory X50. Ship Recycling, Demolition and Hong Kong Convention
- The Part III stores listing of acetylene, oxygen, nitrogen, and CO2 cylinders carried at delivery.
- Compressed Gas NOS UN 1956 X172. IMDG Code: Classes, Divisions, Segregation, and Key UN Numbers
- A Class 2.2 not otherwise specified entry for non-flammable, non-toxic compressed gases.
- Compression Fitting X9. Cargo Securing, Lashing and Stability Vocabulary
- Container fitting transmitting vertical compressive forces between corner castings.
- Compression ignition B2. Marine Engineering
- Diesel ignition mode without spark plug.
- Compression Pressure Pcomp X174. Marine Engine Maintenance, Overhaul, and Condition Monitoring
- Cylinder pressure at TDC measured without combustion, used to diagnose ring blowby, valve leakage, and worn liner.
- Compression Rate X82. Saturation Diving and Offshore Diving Operations
- Speed at which chamber pressure is increased during blowdown.
- Compression ring X61. Marine Lubricants and Cylinder Oils
- Top piston ring whose lubrication is most critical for combustion gas sealing and liner wear control.
- Compressor X70. Reefer Containers and Cold Chain Shipping
- Mechanical component of a reefer unit that compresses refrigerant vapor, driving the vapor-compression refrigeration cycle.
- Compressor Anti-Surge X20. LNG Operations and Custody Transfer
- Recycle control loop preventing centrifugal BOG compressor from operating below stable flow.
- Compressor House X20. LNG Operations and Custody Transfer
- Onshore building housing send-out BOG compressors at receiving terminals.
- Compressor surge B2. Marine Engineering
- Unstable operation of turbocharger compressor.
- Compressor, scroll X26. Reefer Containers and Cold Chain Logistics
- Most common compressor type in modern container reefer units; orbiting and fixed scroll volumes.
- Compulsory ice pilot X27. Polar Code, Ice Navigation and Polar Operations
- Ice pilot required for certain Russian NSR voyages depending on POLARIS outcome and ship class.
- Compulsory Pilotage A1. The IMO and the international regulatory framework
- Issue handled through SOLAS V and IMO resolutions on ships' routeing.
- Compulsory pilotage area X32. Marine Pilotage and Pilot Operations
- Geographic area in which pilotage is mandatory under national or state law.
- Compulsory Pilotage Exemption (Fishing Vessel) X87. Fishing Vessels and Fisheries Management
- National port rule sometimes exempting small fishing vessels from pilotage requirements.
- Compulsory Procedures (UNCLOS Part XV) A6. Public international law of the sea
- Dispute-settlement mechanisms entailing binding decisions.
- Compulsory Reception Facilities (Article 4) X171. MARPOL 73/78: Annex-by-Annex Detailed Glossary
- The convention obligation on Port States to provide adequate reception facilities for ship-generated waste from each MARPOL Annex.
- Compulsory tug X15. Ports, Terminals and Stevedoring
- rule requiring tug assistance for specified vessels.
- Compute Redundancy X109. Maritime Autonomous Surface Ships and MASS Code
- The provision of more than one computing node for the autonomy stack so that failure of one does not stop the ship.
- Computer Emergency Response Team X48. Maritime Cybersecurity
- Organized capability for receiving, triaging, and responding to cyber incidents.
- Computer Vision Pipeline X109. Maritime Autonomous Surface Ships and MASS Code
- The chain of image acquisition, preprocessing, detection, and tracking that turns camera frames into tracked marine targets.
- COMSAR (Sub-Committee) X146. Port State Control Regimes, MoUs, and Inspection Systems
- The former IMO Sub-Committee on Radiocommunications and Search and Rescue, whose work informs PSC radio inspections.
- Comsat X68. Maritime Satcom and Telecommunications
- Historical American satellite communications corporation that played a foundational role in Inmarsat services.
- Comstock righting arm B1. Naval Architecture
- Cross-curves of stability for free-trim conditions.
- Comtech X68. Maritime Satcom and Telecommunications
- American provider of satellite ground equipment including modems and amplifiers used in maritime networks.
- Con X3. Ship Handling, Seamanship and Deck Vocabulary
- Direct the steering of a ship.
- Conair X26. Reefer Containers and Cold Chain Logistics
- Legacy porthole-system reefer container relying on external clip-on or vessel-supplied refrigeration via two ports; largely retired.
- Concealment Drill X22. Piracy, Maritime Security and Armed Protection
- Crew exercise practicing rapid movement to the citadel and hiding from boarders.
- Concentrate, Mineral X1. Cargo Science, Commodities and Cargo Care
- Fine processed ore (lead, zinc, copper) Group A under IMSBC; TML control mandatory.
- Concentrated Inspection Campaign X7. Flag State, Port State Control and Detention Vocabulary
- See CIC.
- Concentrated Inspection Campaign (CIC) A7. Compliance, certification and enforcement
- PSC focused inspection on a designated topic.
- Concentration X75. IMDG Code, Classes, Packing and Segregation
- Mass or volume fraction of active substance critical to assignment of correct UN entry and packing group.
- Concentration (ice) X27. Polar Code, Ice Navigation and Polar Operations
- Ratio in tenths of the sea surface covered by ice within a defined area.
- Concentration boundary (WMO) X27. Polar Code, Ice Navigation and Polar Operations
- Boundary on an ice chart separating areas of different concentration.
- Concentration Cell X100. Marine Cathodic Protection and Anodes
- A corrosion cell driven by differences in ion or oxygen concentration along a metal surface rather than dissimilar metals.
- Concentricity (stern tube) X38. Propellers, Stern Gear and Shaft Lines
- Alignment of stern-tube bore axis with the engine output flange, verified by laser or piano wire.
- Concept Marine Electric X67. Marine Electrical Systems and Shore Power
- Marine electrical contractor specializing in switchboards and motor control centers.
- Concept of Operations X109. Maritime Autonomous Surface Ships and MASS Code
- The structured description of how a specific MASS will be operated including roles, links, and contingencies, required by most flag states for trials.
- Concession agreement C4. Ports, terminals and coastal/marine civil engineering
- Landlord port concession of terminal operations.
- Concierge X24. Cruise, Passenger Ship and Ferry Operations
- Cabin-category dedicated guest-services position on premium cruise lines.
- Concierge Class X64. Cruise Industry Operators, Brands and Ships
- Mid-tier stateroom category on several premium brands including Princess and Celebrity.
- Conciliation A6. Public international law of the sea
- Non-binding dispute mechanism under UNCLOS Annex V (used in Timor Sea case 2018).
- Concorde Industries X50. Ship Recycling, Demolition and Hong Kong Convention
- An Alang-based recycler operating multiple plots, periodically named in EU List screening assessments.
- Concordia (school ship) X128. Sail Training Ships and Tall Ship Associations
- Canadian three masted staysail schooner built 1992 at Szczecin, 57 m length, operated by West Island College International, sank off Brazil on 17 February 2010; all 64 aboard rescued.
- Concordia Maritime Welfare Fund X102. Seafarer Welfare and Maritime Charities
- Example of a shipping-company-linked welfare trust supporting seafarer charities through grants.
- Concordia Station X133. Polar Research Vessels and Polar Code Regimes
- French-Italian joint year-round station at Dome C, 3233 meters elevation, supplied via Mario Zucchelli traverses.
- Concrete armour unit X175. Port Engineering, Dredging, Breakwaters, and Quays
- Precast concrete element placed singly or in two layers as the armour of a rubble mound breakwater.
- Concrete Barge X103. US Inland Waterway Towing and Barge
- A barge constructed of reinforced concrete, used historically and occasionally for stationary service.
- Concrete Counterweight X104. Project Cargo Forwarders and Heavy Transport
- Cast block used to balance ring cranes such as the SGC-250 during lifts.
- Concrete gravity base X42. Offshore Wind Installation and Cable Lay
- Foundation type relying on submerged weight, used at Thornton Bank Phase 1 and elsewhere.
- Concrete mattress X124. Dredging Industry and Reclamation Contractors
- Articulated block mat placed over backfilled trenches and cable crossings.
- Concrete quay C4. Ports, terminals and coastal/marine civil engineering
- Reinforced or prestressed concrete quay.
- Concurrent Causes X51. Maritime Arbitration, Law and BIMCO Clauses
- A doctrine in marine insurance and carriage law addressing loss arising from more than one operative cause.
- Concurrent hearings X152. Maritime Arbitration and Dispute Resolution
- Hearings of related arbitrations conducted in parallel, used in chain charter disputes under LMAA Terms paragraph 16.
- Condensate X1. Cargo Science, Commodities and Cargo Care
- Light hydrocarbon liquid recovered from gas wells; very high vapor pressure.
- Condensate Cargo Survey X5. Marine Surveying and Inspection
- Quantity and quality verification of light hydrocarbon condensate.
- Condensate pump X19. Engine Room Watchkeeping and UMS Operations
- Pump returning condensate from observation tank or hotwell to feed system.
- Condensation X88. Marine Surface Preparation and Coatings Application
- Formation of liquid water on a surface when its temperature falls to or below the dew point, prevented by maintaining substrate temperature at least 3 degrees C above dew point per ISO 8502-4.
- Condensation Damage X155. Marine Surveying Practice and Cargo Inspection
- Wetting of cargo caused by water vapor reaching dew point on cold steelwork or on the cargo surface, investigated by the surveyor through ventilation logs.
- Condenser fan X26. Reefer Containers and Cold Chain Logistics
- Axial fan moving ambient air across condenser coil.
- Condition and Valuation Survey (C&V) X155. Marine Surveying Practice and Cargo Inspection
- An inspection performed for marine underwriters or banks to assess the physical condition and market value of a vessel.
- Condition Assessment Program X43. Marine Surveying and Warranty Surveying
- The American Bureau of Shipping scheme under which qualifying ships receive a detailed condition assessment and rating beyond minimum class requirements.
- Condition assessment scheme C2. Ship operations, crewing and technical management
- CAS, scheme for older tankers under MARPOL.
- Condition based maintenance X19. Engine Room Watchkeeping and UMS Operations
- CBM, intervention triggered by measured parameter trend rather than running hours.
- Condition based monitoring X59. Offshore Wind O&M, CTVs and SOVs
- See CBM, the predictive maintenance philosophy using real time sensor data to schedule interventions.
- Condition monitoring B2. Marine Engineering
- Vibration, oil-analysis, and performance trending of machinery.
- Condition of Class X40. Tanker Vetting, SIRE and VIQ
- A class-imposed corrective requirement on the vessel, recorded under VIQ Chapter 2 and weighed by vetting analysts.
- Condition of Class (CoC) A7. Compliance, certification and enforcement
- Class-society notation requiring corrective action by a deadline.
- Condition on Delivery X29. Ship Sale and Purchase, Management Contracts and Valuation
- NSF 2012 Clause 11 requiring substantially same condition as inspection.
- Condition Survey X5. Marine Surveying and Inspection
- Overall assessment of structural and machinery condition for insurance or sale.
- Conditional (Vetting Status) X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA
- A screening outcome accepting the vessel for the specific voyage subject to identified remedial actions.
- Conditional Appearance X51. Maritime Arbitration, Law and BIMCO Clauses
- An acknowledgment of service entered without submitting to jurisdiction, preserving a challenge to the court's competence.
- Conditional class C2. Ship operations, crewing and technical management
- Class subject to outstanding conditions.
- Conditioning Tank X41. Cruise Ship Public Health and VSP/USPH
- Vessel where bunkered or produced potable water receives mineral and pH adjustment before distribution.
- Conditions of Carriage X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA
- Operator commitments accepted as part of a conditional vetting outcome, often including watch officer enhancements.
- Conditions of Class X8. IACS, Class Rules and Class Notations
- requirements to take corrective action within a defined time to retain class.
- Condor Ferries X85. Ferries, Ro-Pax Operators and Routes
- Channel Islands operator running fast craft and conventional ferries between the UK, Channel Islands, and St Malo.
- Condor Liberation X132. High-Speed Craft, Hydrofoils and Ferry Operators
- Austal 102 m trimaran built 2010 as Austal Hull 270, transferred to Condor Ferries in 2015.
- Condor Rapide X132. High-Speed Craft, Hydrofoils and Ferry Operators
- Incat 86 m operated by Condor between 1997 and 2020 on the Channel Islands routes.
- Conduct Clause X4. Marine Insurance, P&I and Claims
- ITC Hulls 1/10/83 clause 6.2 covering certain perils only without privity of the assured.
- Conduct of Operations X22. Piracy, Maritime Security and Armed Protection
- PCASP operational document defining team behavior, communications and engagement procedures.
- Conductive primer X45. Marine Paints, Coatings and Antifouling
- Coating containing conductive pigment used beneath certain ICCP installations to distribute current.
- Conductivity X10. Marine Biology, Fisheries and Oceanography
- Electrical conductivity of seawater, used in the CTD to derive salinity.
- Conductivity Cell X129. Hydrographic Offices, Survey Vessels and Marine Cartography
- Sensor in a CTD that measures seawater conductivity, used to calculate salinity and sound speed.
- Conductivity meter X45. Marine Paints, Coatings and Antifouling
- Instrument used to measure soluble salt levels on blasted steel via the Bresle method.
- Conductivity Method X88. Marine Surface Preparation and Coatings Application
- ISO 8502-9 on-site procedure for determining total surface density of soluble salts by measuring conductivity of extract water.
- Conductivity-Temperature-Depth (CTD) D1. Physical and chemical oceanography and marine meteorology
- Standard oceanographic instrument package for profiling water column properties.
- Conductor X14. Offshore Oil and Gas Marine Operations
- Outermost large diameter casing driven into seabed.
- Conductor Pipe X153. Offshore Drilling Rigs, FPSOs, and Offshore Vessels
- Large diameter pipe driven or drilled at the start of a well to stabilize the upper formation.
- Conductor screen X42. Offshore Wind Installation and Cable Lay
- Semiconducting layer over the conductor smoothing the electric field within high voltage cable insulation.
- Conduit X107. Maritime Cybersecurity and OT Security
- Defined communication path between IEC 62443 security zones with documented security requirements.
- Conduit Bracket X83. ISO Container Manufacturing and Leasing
- Fitting on the inside of a reefer container guiding power and data wiring to the unit.
- Cone X9. Cargo Securing, Lashing and Stability Vocabulary
- Locating fitting placed in container corner casting to prevent horizontal movement.
- Cone (propeller) X38. Propellers, Stern Gear and Shaft Lines
- Tapered portion of the tailshaft on which the propeller hub is keyed or keyless-mounted.
- Cone Fender X30. Tug Operations and Harbour Towage
- Conical rubber fender used on tug bows and ship-side contact areas.
- Cone Strobe X31. Helicopter Operations on Ships
- White warning light atop nearby obstructions visible to approaching aircraft.
- Cone, stacking X76. Stevedoring, Lashing and Cargo Securing
- Small fitting located between corner castings to align stacked containers laterally.
- Conference C1. Commercial shipping, chartering, economics and finance
- Group of liner operators that fixes rates and conditions on a trade lane.
- Conferences (Liner) A5. Maritime Law, private and commercial
- Joint pricing arrangements, largely deregulated since 2008 in the EU.
- Confidence Factor A7. Compliance, certification and enforcement
- Used in some PSC inspection priority algorithms.
- Confidence-Building Measures (CBMs) E1. Maritime security, geopolitics and risk
- Risk-reduction practices among naval forces.
- Confidentiality X25. Maritime Cybersecurity, OT and IT
- Property that information is not disclosed to unauthorized parties.
- Confidentiality Clause X53. Marine Insurance, P&I and Hull Clauses
- A market clause obliging parties to keep policy terms and claims information confidential.
- Confidentiality of Arbitration X51. Maritime Arbitration, Law and BIMCO Clauses
- The doctrine, implied under English law and express under several institutional rules, restricting disclosure of materials and awards.
- Confidentiality of Awards X99. Marine Salvage Awards and SCOPIC
- Practice by which Lloyd's salvage awards are circulated only to the parties and not generally published.
- Confidentiality of records X163. Marine Accident Investigation Agencies and Landmark Inquiries
- Protection given by the Casualty Investigation Code to witness statements, communications, medical information, opinions, and analyses produced during a safety investigation.
- Confidentiality undertaking X71. Shipbrokers and Brokerage Firms
- Pre-deal NDA signed by buyer's broker before disclosure of vessel particulars.
- Configuration Management X139. Maritime Cybersecurity, OT Threats and Standards
- Process tracking and approving changes to OT assets, NIST CSF PR.IP-1.
- Configuration Management Database X48. Maritime Cybersecurity
- Repository describing shipboard assets and their relationships.
- Confined Aquatic Disposal X124. Dredging Industry and Reclamation Contractors
- Subaqueous cell capped with clean material for contaminated sediment isolation.
- Confined Disposal Facility X124. Dredging Industry and Reclamation Contractors
- Upland cell that retains dredged material behind dikes for long-term storage.
- Confined entry X15. Ports, Terminals and Stevedoring
- working in an enclosed space under permit-to-work procedures.
- Confined Space X75. IMDG Code, Classes, Packing and Segregation
- Space with limited access where dangerous goods may accumulate hazardous atmospheres, addressed in EmS spill schedules.
- Confined Space Diving X82. Saturation Diving and Offshore Diving Operations
- Operations in flooded tanks, culverts, or vessels with restricted egress.
- Confined space entry X59. Offshore Wind O&M, CTVs and SOVs
- Permit controlled procedure for technicians entering turbine towers, hub, or transition piece voids classified as confined spaces.
- Confined Space Entry Permit X28. Ship Recycling and End-of-Life
- Written authorization to enter tanks, voids, or cofferdams after gas-freeing.
- Confined space rescue X59. Offshore Wind O&M, CTVs and SOVs
- GWO ATR competency covering casualty extraction from hub, nacelle, and tower confined spaces.
- Confined space rescue first aid X36. Shipboard Medical, Telemedicine and Seafarer Health
- STCW competency including casualty handling after entry-rescue from tanks.
- Confirmation X71. Shipbrokers and Brokerage Firms
- Broker's written assurance that an offer or counter is bona fide and binding subject to subs.
- Confirmation of award (US) X152. Maritime Arbitration and Dispute Resolution
- Procedure under section 9 of the US Federal Arbitration Act for entering a judgment on the award in a US district court.
- Confirmation of Compliance X40. Tanker Vetting, SIRE and VIQ
- The ISM-related document verifying the operator's Document of Compliance is current.
- Confirmed Alert X80. Maritime Search and Rescue Coordination
- A distress alert verified as genuine following SPOC investigation.
- Confiscation X53. Marine Insurance, P&I and Hull Clauses
- The taking of insured property by a government or authority, an insured peril under war risks cover with specific exclusions.
- Conflagration X75. IMDG Code, Classes, Packing and Segregation
- Mass burning event, the controlling hazard for Class 1.3.
- Conflict of Laws X51. Maritime Arbitration, Law and BIMCO Clauses
- The body of rules determining which substantive law governs a transaction with cross-border elements.
- Confluence X103. US Inland Waterway Towing and Barge
- The point where two rivers meet, such as the Ohio and Mississippi at Cairo.
- Confluence Marine Academy X121. Maritime Education, Academies and Universities
- Indian DGS-approved institute providing pre-sea and post-sea STCW programs in Karjat.
- Conformal Array X91. Submarines and Submarine Cable Systems
- Flank-mounted submarine sonar array conforming to the hull shape.
- Conformity assessment C3. Logistics, freight forwarding and multimodal trade
- Certification under product standards.
- Confused sea X16. Nautical Science, Navigation and COLREGs
- Sea with no dominant direction, often from interacting swell systems.
- CONGENBILL X17. Chartering, Shipbroking and Freight Trading
- BIMCO bill of lading designed for use with GENCON.
- Congenbill 2022 X51. Maritime Arbitration, Law and BIMCO Clauses
- The BIMCO bill of lading form for use with the Gencon voyage charterparty.
- ConGlobal Industries X83. ISO Container Manufacturing and Leasing
- US container depot and maintenance operator providing repair and storage services.
- Congo River bar X124. Dredging Industry and Reclamation Contractors
- Periodic dredging at the Boma-Matadi bar undertaken by Jan De Nul and DEME.
- Conic projection X16. Nautical Science, Navigation and COLREGs
- Chart projection using a cone tangent or secant to the Earth.
- Conical Buoy X23. AIS, GMDSS, IALA Buoyage and Aids to Navigation
- Cone-shaped buoy used as starboard-hand lateral mark in IALA Region A.
- CONIMA X102. Seafarer Welfare and Maritime Charities
- Council of National Welfare Boards (historic abbreviation used by ISWAN), bringing together national seafarers' welfare boards.
- Conjunto Axle Suspension X104. Project Cargo Forwarders and Heavy Transport
- TII Group hydraulic suspension architecture used across Scheuerle and Kamag SPMT lines.
- Conlinebill A5. Maritime Law, private and commercial
- BIMCO standard liner bill of lading form.
- Conlinebill 2016 X51. Maritime Arbitration, Law and BIMCO Clauses
- The BIMCO liner bill of lading form for general use in the liner trades.
- Conn X32. Marine Pilotage and Pilot Operations
- Bridge officer or pilot currently giving helm and engine orders, formally transferred between persons.
- Connected Worker (Marine) E3. Technology, digitalization and smart shipping
- Wearable + comms platform for crew safety.
- Connecticut Maritime Association Awards X119. Maritime Conferences, Trade Shows and Awards
- Presented at CMA Shipping in Stamford each March.
- Connecticut, USS (SSN-22) X91. Submarines and Submarine Cable Systems
- Second Seawolf-class US Navy fast attack submarine.
- Connecting rod B2. Marine Engineering
- Rod between piston and crankshaft.
- Connectivity at Sea X154. Maritime Welfare, Seafarer Charities, and MLC Rights
- 2022 MLC amendment requiring reasonable seafarer access to ship-to-shore communications including internet.
- Connector X105. Offshore Wind Farm Installation and Vessels
- Cable lay vessel operated by Jan De Nul Group for submarine power cable installation.
- Connector strain relief X42. Offshore Wind Installation and Cable Lay
- Mechanical termination preventing axial load from reaching the conductor inside cable joints.
- Conning Display X25. Maritime Cybersecurity, OT and IT
- Bridge display aggregating navigation data, often part of IBS.
- Conning position X3. Ship Handling, Seamanship and Deck Vocabulary
- Place from which the officer directs the steering.
- Conoco bow loading X15. Ports, Terminals and Stevedoring
- tanker bow loading system for offshore terminals.
- Conoroll X169. Container Terminal Cranes, Yard Equipment, and Lashing
- MacGregor RoRo coupling fitted between tugmaster and cassette to enable rapid pickup and drop, used at large RoRo terminals.
- Conoship International X137. Harbour Tugs, Towage Operators and Tug Builders
- Dutch naval architecture firm with tug and small workboat designs to its name.
- Conquest MB1 X167. Major Salvage Companies, Wreck Removals, and Equipment
- Heavy lift jack-up vessel operated by Conquest Offshore for offshore installation and salvage support.
- Conrad Industries X58. Shipbuilding Yards and Construction
- US shipbuilder at Morgan City, Louisiana, building tugs, barges, and small commercial vessels.
- Conrad Shipyard X113. Drydock and Ship Repair Yards
- Louisiana shipbuilder and repairer operating at Morgan City and Amelia for inland and Jones Act tonnage.
- Conrad, Joseph F2. Maritime Culture, Heritage, Archaeology, Art and Museums
- Polish-British author of Lord Jim, Typhoon, and Heart of Darkness.
- Conradson carbon X19. Engine Room Watchkeeping and UMS Operations
- Residue test on fuel oil indicating coking tendency, reported on bunker analysis.
- Conradson Carbon Residue X115. Marine Bunker and Cargo Surveying
- Older test for carbon residue in residual fuels, now largely replaced by Micro Carbon Residue per ISO 10370.
- Conradson carbon residue (CCR) X47. Marine Fuel Quality and ISO 8217
- Carbon residue measured per ASTM D189 or ISO 6615 after destructive distillation.
- Consecutive Voyages (CVS) X17. Chartering, Shipbroking and Freight Trading
- Series of back-to-back voyage charters on a fixed route.
- Consents X42. Offshore Wind Installation and Cable Lay
- Permits and approvals required for construction and operation, including DCO in the UK and BOEM COP approval in the US.
- Consequential Loss X51. Maritime Arbitration, Law and BIMCO Clauses
- Loss other than the direct, naturally arising loss, often excluded by express charterparty wording.
- Conservation Laboratory F2. Maritime Culture, Heritage, Archaeology, Art and Museums
- Specialized facility for waterlogged-wood treatment, as in Stockholm and Portsmouth.
- Conservative Temperature D1. Physical and chemical oceanography and marine meteorology
- TEOS-10 thermodynamic variable representing heat content per unit mass.
- Consignee C3. Logistics, freight forwarding and multimodal trade
- Party to whom goods are consigned.
- Consignment X75. IMDG Code, Classes, Packing and Segregation
- One or more packages of dangerous goods presented by a consignor for transport.
- Consignor X6. Container, Intermodal and Trade Codes
- Shipper named in the bill of lading.
- Consilium SVDR X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS
- Consilium Marine simplified voyage data recorder series compliant with IMO MSC.163(78).
- Consilium VDR X95. GMDSS Equipment and Survival Craft Communications
- Voyage Data Recorder product line from Consilium Marine, type approved per IMO Resolution MSC.333(90).
- Consilium VDR F1 X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS
- Consilium full voyage data recorder model approved to MSC.333(90) standard.
- Consol X6. Container, Intermodal and Trade Codes
- Consolidation of multiple shipments into one container.
- Consolidated ice X27. Polar Code, Ice Navigation and Polar Operations
- Floating ice frozen together into a single sheet.
- Consolidated MLC X21. STCW Certificates, Crewing and Seafarer Welfare
- MLC 2006 as amended, including the 2014, 2016, 2018, and 2022 amendments.
- Consolidation C3. Logistics, freight forwarding and multimodal trade
- Combining several shipments into one container or unit.
- Consolidation of Arbitrations X51. Maritime Arbitration, Law and BIMCO Clauses
- The joinder of related references before a single tribunal, requiring consent under the LMAA Terms.
- Consolidator X6. Container, Intermodal and Trade Codes
- NVOCC or forwarder that combines LCL shipments into FCL containers.
- Consortia agreement C1. Commercial shipping, chartering, economics and finance
- Joint service arrangement between liner operators short of full alliance.
- Consortium Service Call X86. Port Agency, Husbandry and Disbursement
- Port call performed under a liner consortium agreement with shared port representation.
- Constant Frequency Shaft Generator X67. Marine Electrical Systems and Shore Power
- Shaft generator system that maintains 50 or 60 Hz output despite variable shaft speed using a power electronic converter.
- Constant heading line (loxodrome) B3. Nautical Science
- Rhumb line of constant true course.
- Constant Pressure Governor X63. Marine Auxiliary Machinery and Pumps
- Speed governor for steam pumps maintaining constant discharge pressure regardless of demand.
- Constant Pressure Loading X54. Naval Architecture Software and IACS Rules
- Hydrostatic and hydrodynamic pressure scheme applied to FEM models per CSR-BC+OT load cases.
- Constant pressure turbocharging X19. Engine Room Watchkeeping and UMS Operations
- System where all cylinders discharge into a common exhaust receiver feeding the turbocharger.
- Constant Tension Winch X173. Mooring, Anchoring, OCIMF MEG4, and Equipment Numeral
- Mooring winch fitted with control system that pays out or hauls in line to maintain a preset tension as the ship moves at the berth.
- Constant Wattage Heater X75. IMDG Code, Classes, Packing and Segregation
- Heating system used on tank containers transporting solidifying cargoes that fall under IMDG elevated temperature provisions.
- Constant-pressure planing B1. Naval Architecture
- Planing regime with near-uniform bottom pressure.
- Constanta Maritime University X55. Marine Simulators, Training and Maritime Academies
- Romanian public university in Constanta offering navigation and marine engineering degree programs.
- Constanta Maritime University (CMU) X160. Maritime Academies, Universities, and STCW Certification
- Romanian state maritime university founded in 1972 in Constanta on the Black Sea coast.
- Constants X5. Marine Surveying and Inspection
- Difference between vessel light displacement and displacement at survey draft minus declared weights.
- Constants of the place X16. Nautical Science, Navigation and COLREGs
- Tidal harmonic constants for a specific port.
- Constellation X68. Maritime Satcom and Telecommunications
- Group of satellites operated together to provide continuous or near-continuous coverage.
- Constellation class X11. Naval Vessels, Warship Systems and Naval Architecture
- USN FFG-62 guided missile frigate based on FREMM.
- Constellation Marine Services X43. Marine Surveying and Warranty Surveying
- A United Arab Emirates-based independent marine surveying and consultancy firm operating across the Middle East and Indian subcontinent.
- Constellation Oil Services X153. Offshore Drilling Rigs, FPSOs, and Offshore Vessels
- Brazilian deepwater drilling contractor formed from the Queiroz Galvao Oleo e Gas restructuring.
- Constellation-class frigate X106. Naval Surface Combatants
- US Navy FFG-62 guided-missile frigate based on the Italian FREMM design, lead ship under construction at Fincantieri Marinette Marine.
- Constellis X127. Maritime Security, Anti-Piracy and PMSCs
- US security firm headquartered in Herndon, Virginia, parent of Triple Canopy, with maritime division offering PCASP services.
- Constitution, USS X39. Pre-1900 Maritime History
- American 44-gun frigate launched in 1797 and victor over HMS Guerriere in 1812.
- Construction (Contract) A5. Maritime Law, private and commercial
- Interpretation, governed in shipping by common law canons or civil-law equivalents.
- Construction Diving X82. Saturation Diving and Offshore Diving Operations
- Subsea fabrication, welding, and installation by divers.
- Construction Guidelines X41. Cruise Ship Public Health and VSP/USPH
- VSP companion to the Operations Manual specifying design criteria for galleys, pantries, and water systems on new builds.
- Construction Support Vessel X14. Offshore Oil and Gas Marine Operations
- General term for CSV; subsea installation/IRM duties.
- Constructive Total Loss X13. Marine Salvage and Wreck Removal
- Damage such that repair cost exceeds insured value, often triggering wreck removal.
- Constructive Total Loss (CTL) X4. Marine Insurance, P&I and Claims
- total loss under section 60 of the Marine Insurance Act 1906 where actual total loss appears unavoidable or repairs would exceed the repaired value (ITC Hulls 1/10/83 uses insured value).
- Consultative Status A1. The IMO and the international regulatory framework
- Recognition granted by IMO Council to NGOs that may attend meetings as observers.
- Contact X12. Maritime Casualties and Investigation
- Casualty in which a vessel strikes a fixed or floating object that is not a vessel, equivalent to allision in US usage.
- Contact angle X45. Marine Paints, Coatings and Antifouling
- Measure of wetting between water and a coating surface, relevant to fouling release performance.
- Contact mine X77. Naval Mine Warfare and Mine Countermeasures
- A sea mine detonated by direct physical contact between a ship and a firing horn or antenna on the mine casing.
- Container X6. Container, Intermodal and Trade Codes
- ISO 668-defined intermodal freight unit.
- Container broker X71. Shipbrokers and Brokerage Firms
- Broker active in box ship time charters, slot deals, and box ship S&P.
- Container Cascade X13. Marine Salvage and Wreck Removal
- Sequential collapse of stacked containers after parametric roll or grounding.
- Container Casualty X60. Marine Salvage and Wreck Removal
- Salvage involving boxship casualties, often complicated by fire, lost containers, and dangerous goods.
- Container cell guide block X58. Shipbuilding Yards and Construction
- Engineered guide frame inside a container hold, prefabricated and lifted in.
- Container Census X83. ISO Container Manufacturing and Leasing
- Annual industry count of containers in service worldwide, published by Drewry and others.
- Container Condition Survey X115. Marine Bunker and Cargo Surveying
- Inspection of intermodal containers for damage, certification, and seaworthiness before loading or after discharge.
- Container Construction Material X83. ISO Container Manufacturing and Leasing
- Materials used in container shells, typically corten weathering steel for walls, aluminum for some specialty boxes, and 28 mm tropical hardwood plywood for floors.
- Container Corner Casting X83. ISO Container Manufacturing and Leasing
- Cast steel fitting at each of the eight corners of an ISO container conforming to ISO 1161.
- Container demurrage C3. Logistics, freight forwarding and multimodal trade
- Charge for container retention at terminal beyond free time.
- Container Depot X83. ISO Container Manufacturing and Leasing
- Facility for storage, inspection, and repair of empty containers.
- Container detention C3. Logistics, freight forwarding and multimodal trade
- Charge for container retention outside terminal beyond free time.