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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.
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.
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 navigation X32. Marine Pilotage and Pilot Operations
Term denoting who is actually directing the ship's movement, normally the pilot acting as advisor.
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.
Construcciones Navales del Norte X58. Shipbuilding Yards and Construction
CNN, Spanish shipbuilder at Sestao building dredgers, ferries, and offshore vessels.
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.