Glossary
Maritime glossary, terms beginning with R (page 6)
All maritime glossary terms that begin with the letter R, drawn from every subject section. 2097 entries.
Showing 250 of 2097 terms (page 6 of 9).
- Reyser X79. Tugs and Towage Industry
- Spanish towage operator headquartered in Barcelona providing services at multiple Spanish ports.
- RF Cable Loss X68. Maritime Satcom and Telecommunications
- Attenuation of radio frequency signals in cables between modem and antenna.
- RFA X102. Seafarer Welfare and Maritime Charities
- Royal Fleet Auxiliary, civilian crewed UK naval support service whose officers are represented by Nautilus International.
- RFC 5280 X25. Maritime Cybersecurity, OT and IT
- Internet X.509 Public Key Infrastructure Certificate and CRL Profile.
- RFG Crewing X102. Seafarer Welfare and Maritime Charities
- Generic pattern for medium-sized regional crewing agencies serving short-sea and offshore fleets.
- RFI X42. Offshore Wind Installation and Cable Lay
- Request For Information, a procurement step during offshore wind tendering.
- RFI Mitigation X48. Maritime Cybersecurity
- Measures to address radio frequency interference affecting navigation and communication.
- RFID X169. Container Terminal Cranes, Yard Equipment, and Lashing
- Radio Frequency Identification used for chassis, container, and yard equipment identification.
- RFID gate X15. Ports, Terminals and Stevedoring
- gate using passive or active radio frequency tags for vehicle identification.
- RFID Gate Tag X46. Container Terminal Operations
- A windscreen-mounted radio frequency identification credential on a drayage tractor used to authenticate the truck visit at the terminal gate.
- RFMO (Regional Fisheries Management Organization) D4. Fisheries, aquaculture, blue economy and marine resources
- International body managing fish stocks across EEZs.
- RFNBO X112. IMO GHG Strategy, CII, EEXI and EU Maritime Regulation
- Renewable Fuel of Non-Biological Origin, eligible for the FuelEU double counting bonus from 2025 to 2033.
- RFNBO (Renewable Fuel of Non-Biological Origin) D6. Decarbonization, emissions and alternative fuels
- EU category covering green hydrogen-derived fuels.
- RFR X70. Reefer Containers and Cold Chain Shipping
- Singamas reefer container designation used in some of the manufacturer's reefer product lines.
- RGS (Re-Gasification System) X20. LNG Operations and Custody Transfer
- Process train on FSRU or onshore terminal converting LNG to send-out gas.
- Rhapsody of the Seas X64. Cruise Industry Operators, Brands and Ships
- Royal Caribbean Vision-class ship delivered in 1997.
- RHC X73. Marine Hydrography, Charting and ENC
- Regional Hydrographic Commission, the IHO subregional coordination bodies (NSHC, BSHC, MBSHC, USCHC, etc.).
- Rhebo X107. Maritime Cybersecurity and OT Security
- Industrial network monitoring vendor providing OT anomaly detection.
- Rhein-Main-Donau-Kanal X33. Inland Navigation and Barge Operations
- Main-Danube Canal of 171 km, opened 1992.
- Rheinschiff X33. Inland Navigation and Barge Operations
- Generic term for Rhine vessel, qualified by size class.
- Rheology modifier X45. Marine Paints, Coatings and Antifouling
- Additive controlling sag and brushability of a coating.
- Rheostat X67. Marine Electrical Systems and Shore Power
- Variable resistor formerly used in generator excitation and DC propulsion control, mostly historic.
- RHIB Inspection X5. Marine Surveying and Inspection
- Examination of rescue boat and launching gear.
- Rhincodon typus X10. Marine Biology, Fisheries and Oceanography
- Whale shark, the largest extant fish.
- Rhine X33. Inland Navigation and Barge Operations
- Approximately 800 km navigable from Basel to Rotterdam.
- Rhine Estuary X42. Offshore Wind Installation and Cable Lay
- Reference area for Dutch landfall and grid corridors.
- Rhine Pilot X32. Marine Pilotage and Pilot Operations
- River pilot operating on the Rhine inland waterway.
- Rhine-km X33. Inland Navigation and Barge Operations
- Kilometer reference along the Rhine starting at zero at Constance.
- Rhine-Main-Danube link X166. Inland Waterways, Ferries, RoRo, and Short Sea Shipping
- The combined waterway corridor from Rotterdam via the Rhine, Main, Main-Danube Canal, and Danube to the Black Sea at Sulina, opened end-to-end in 1992.
- Rhino Marine X162. Naval Architecture, Stability, Resistance, and Structural Design
- Marine plug-in suite (Orca3D, RhinoMarine) extending McNeel Rhinoceros NURBS modeler for hull form fairing and hydrostatics.
- Rhinoceros X54. Naval Architecture Software and IACS Rules
- NURBS surface modeling software from Robert McNeel & Associates widely used in marine design.
- Rhone X33. Inland Navigation and Barge Operations
- French river canalized from Lyon to the Mediterranean.
- Rhum (class) X84. Yacht Racing, Regattas and Sailing Governance
- A handicap class in the Route du Rhum for monohulls outside the Class40 and IMOCA fleets.
- Rhumb line X16. Nautical Science, Navigation and COLREGs
- Line cutting all meridians at the same angle; straight on a Mercator chart.
- Rhumb Line Search X80. Maritime Search and Rescue Coordination
- Search along a constant compass bearing.
- Ria de Vigo Wrecks F2. Maritime Culture, Heritage, Archaeology, Art and Museums
- Spanish historical wreck-rich estuary.
- RIB X97. Polar Expedition Cruise and IAATO Operations
- Rigid Inflatable Boat used as an alternative or complement to Zodiacs for tendering and shore landings.
- Rib stiffener X42. Offshore Wind Installation and Cable Lay
- Welded plate stiffener inside transition pieces increasing local buckling capacity.
- Ribbon seal X10. Marine Biology, Fisheries and Oceanography
- *Histriophoca fasciata*, a North Pacific ice-associated phocid.
- Rice (Dry) X120. Marine Catering, Provisions and Ship Chandlers
- IMPA 550715 white long-grain rice, 25 kg sack, ambient store.
- Rice husk noise (cavitation) X38. Propellers, Stern Gear and Shaft Lines
- Colloquial description of broadband cavitation noise from intense cloud cavitation.
- Rice, Bagged X1. Cargo Science, Commodities and Cargo Care
- Hygroscopic, prone to infestation; jute or PP bags.
- Richard Etheridge, USCGC (WPC-1102) X130. National Coast Guards and Cutter Fleets
- First Sentinel-class FRC, commissioned 2012, homeported Miami Beach, Florida.
- Richard M. McCool Jr. (USS) LPD-29 X106. Naval Surface Combatants
- San Antonio-class amphibious transport dock commissioned 2024 by Ingalls Shipbuilding.
- Richard Montgomery, SS X167. Major Salvage Companies, Wreck Removals, and Equipment
- US Liberty ship that sank off Sheerness in August 1944, still carrying around 1,400 tonnes of munitions and monitored by the UK government.
- Richard With X85. Ferries, Ro-Pax Operators and Routes
- Hurtigruten ro-pax built 1993 named after the Coastal Express founder.
- Richards Bay X124. Dredging Industry and Reclamation Contractors
- South African coal export port maintained by Transnet and Boskalis.
- Richards Bay Bunker Service X72. Bunkering Hubs and Bunker Suppliers
- Bunker supply at the Port of Richards Bay by Engen and Astron Energy.
- Richards Hogg Lindley X108. Marine Insurance and P&I Clubs
- A long established firm of average adjusters operating in London and internationally.
- Richards Hogg Lindley (RHL) X157. Marine Loss Adjusters, GA Practice, and Casualty Firms
- Long-established London average adjusters, now operating as part of Charles Taylor Adjusting.
- Richardson Number D1. Physical and chemical oceanography and marine meteorology
- Ratio of buoyancy to shear, used to assess turbulence onset.
- Rickover, Hyman G. X91. Submarines and Submarine Cable Systems
- US admiral often described as the father of the nuclear navy.
- RID X75. IMDG Code, Classes, Packing and Segregation
- Regulations concerning the International Carriage of Dangerous Goods by Rail, harmonized with IMDG via UN Model Regulations.
- Ride X3. Ship Handling, Seamanship and Deck Vocabulary
- Lie to an anchor; ride down a halyard with body weight.
- Ride Control X132. High-Speed Craft, Hydrofoils and Ferry Operators
- Active interceptor or T-foil system that damps pitch and roll on HSC, supplied by Maritime Dynamics and Naiad.
- Ride Through Capability X67. Marine Electrical Systems and Shore Power
- Ability of a drive or PMS to maintain operation through brief voltage or frequency disturbances.
- RIDG X123. Offshore Wind Installation Vessels and Operators
- Renewable Infrastructure Development Group, UK developer, originally co-developer of Inch Cape with Red Rock Power.
- Ridge X27. Polar Code, Ice Navigation and Polar Operations
- Line of broken ice forced up by pressure; see pressure ridge.
- Ridge (meteorology) X16. Nautical Science, Navigation and COLREGs
- Elongated area of high pressure.
- Ridge Push D2. Hydrography, tides, waves, bathymetry and marine geology
- Force from elevated mid-ocean ridges driving plate motion.
- Ridge sail X27. Polar Code, Ice Navigation and Polar Operations
- Above-water portion of a ridge.
- Ridged ice X27. Polar Code, Ice Navigation and Polar Operations
- Ice piled in ridges by pressure.
- Ridging X27. Polar Code, Ice Navigation and Polar Operations
- Process of forming ridges in sea ice.
- Riding Cable X173. Mooring, Anchoring, OCIMF MEG4, and Equipment Numeral
- Anchor cable taking the entire load on a single anchor at any one time.
- Riding gang X15. Ports, Terminals and Stevedoring
- contractor crew sailing with vessel for repairs.
- Riding Pump X63. Marine Auxiliary Machinery and Pumps
- Smaller pump operated in parallel with a larger pump to match part-load demand.
- Riding sea margin B4. Shipbuilding, Materials, Sea Trials, Retrofits and Recycling
- Sea-trial speed allowance.
- Riding turn X3. Ship Handling, Seamanship and Deck Vocabulary
- Turn of rope crossing over and jamming the turns below it on a winch.
- RIF X98. Ship Registries and Flag States
- Registre International Francais, French International Register.
- Riffgat X42. Offshore Wind Installation and Cable Lay
- German offshore wind farm in the North Sea developed by EWE.
- Rig X84. Yacht Racing, Regattas and Sailing Governance
- The combination of mast, boom, standing and running rigging that supports and controls the sails.
- Rig Move Survey X43. Marine Surveying and Warranty Surveying
- See drilling rig move survey, the warranty attendance for relocation of offshore drilling units.
- Rig out X3. Ship Handling, Seamanship and Deck Vocabulary
- Extend a boom outboard.
- Riga Latvian Maritime Academy X121. Maritime Education, Academies and Universities
- See Latvian Maritime Academy.
- Riga Shipping Forum X119. Maritime Conferences, Trade Shows and Awards
- Annual Latvian maritime event hosted by the Port of Riga.
- Rigger F3. Seafaring Life, Education, Professions and Institutions
- Skilled trade in standing and running rigging.
- Rigging X3. Ship Handling, Seamanship and Deck Vocabulary
- Standing and running ropes supporting masts and controlling sails.
- Rigging Engineer X104. Project Cargo Forwarders and Heavy Transport
- Engineer specifying slings, shackles, and beams for a project lift.
- Rigging plan X15. Ports, Terminals and Stevedoring
- lift plan for heavy or unusual loads.
- Rigging screw X3. Ship Handling, Seamanship and Deck Vocabulary
- Turnbuckle.
- Right ascension X16. Nautical Science, Navigation and COLREGs
- Angular distance measured eastward along the celestial equator from Aries.
- Right ascension (RA) B3. Nautical Science
- Equatorial coordinate of celestial body.
- Right of departure C2. Ship operations, crewing and technical management
- PSC clearance to depart after deficiency rectification.
- Right of First Refusal (ROFR) X29. Ship Sale and Purchase, Management Contracts and Valuation
- Contractual right to match third-party offer for sale.
- Right of Indemnity (Charter) X51. Maritime Arbitration, Law and BIMCO Clauses
- The implied right of the owner under a time charter to be indemnified against consequences of complying with charterer's orders.
- Right of refusal X32. Marine Pilotage and Pilot Operations
- Master's right to refuse the pilot's advice when he considers it dangerous.
- Right of Refusal, IHM Verification X50. Ship Recycling, Demolition and Hong Kong Convention
- A flag administration prerogative to decline endorsement of an inadequate IHM.
- Right of seafarer (interview) X163. Marine Accident Investigation Agencies and Landmark Inquiries
- Procedural protection afforded to seafarers under the Casualty Investigation Code including being informed of the subject of the investigation, the right to refuse self-incrimination, and access to…
- Right of Tug Master X60. Marine Salvage and Wreck Removal
- Latitude reserved to the tug master to make immediate decisions in dynamic salvage conditions.
- Right of Visit A6. Public international law of the sea
- Warship's right under UNCLOS Article 110.
- Right of Visit (UNCLOS Article 110) X87. Fishing Vessels and Fisheries Management
- Authority of warships to board vessels on the high seas suspected of certain activities, distinct from RFMO inspection rights.
- Right of Visit Coordination X86. Port Agency, Husbandry and Disbursement
- Coordination of official visits to the vessel by various authorities.
- Right of Way Survey X104. Project Cargo Forwarders and Heavy Transport
- Confirmation that a road corridor is legally and physically available for a heavy move.
- Right of Way, Pilot Boat X159. Marine Pilotage, Pilot Districts, and Pilots' Associations
- Operational convention that approaching vessels yield steerage and speed to pilot boats engaged in transfer operations.
- Right of withdrawal C1. Commercial shipping, chartering, economics and finance
- Owner's right to withdraw the vessel on charterer default.
- Right rudder X3. Ship Handling, Seamanship and Deck Vocabulary
- Helm to starboard.
- Right Ship Star Rating X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA
- The 1-to-5-star score RightShip assigns combining safety, environmental, technical, and operator data.
- Right Ship Vetting X135. Chemical Tanker Operators and IBC Code Cargoes
- Australian-originated commercial vetting platform increasingly applied to chemical-tanker dry-cargo terminal calls.
- Right to be heard X152. Maritime Arbitration and Dispute Resolution
- Mandatory due process right protected under section 33 English Arbitration Act 1996 and Article V(1)(b) NYC.
- Right to Communicate X154. Maritime Welfare, Seafarer Charities, and MLC Rights
- 2022 MLC amendment guaranteeing reasonable seafarer access to shore communication.
- Right to Cure X51. Maritime Arbitration, Law and BIMCO Clauses
- A contractual or implied right to remedy a breach within a defined period before termination.
- Right to Withdraw X51. Maritime Arbitration, Law and BIMCO Clauses
- The owner's contractual right under a time charter to withdraw the vessel for non-payment of hire.
- Right whale X10. Marine Biology, Fisheries and Oceanography
- Slow-swimming baleen whales of the genus *Eubalaena*; North Atlantic right whale is critically endangered.
- Right Whale Slow Zone D6. Decarbonization, emissions and alternative fuels
- Speed restriction also reducing fuel use and emissions.
- Right-of-way X15. Ports, Terminals and Stevedoring
- priority rules for terminal equipment movements.
- Right-of-Way Rules X84. Yacht Racing, Regattas and Sailing Governance
- The portion of the Racing Rules of Sailing governing which yacht must give way.
- Righting arm (GZ) B1. Naval Architecture
- Horizontal distance between weight and buoyancy verticals at heel.
- Righting moment B1. Naval Architecture
- Δ*GZ, restoring moment at given heel.
- Rights Based Management X87. Fishing Vessels and Fisheries Management
- Fisheries management using transferable or non-transferable property style rights such as ITQs.
- RightShip A7. Compliance, certification and enforcement
- Vetting and risk-management platform for dry bulk and other sectors.
- RightShip GHG Rating X40. Tanker Vetting, SIRE and VIQ
- A vessel greenhouse-gas efficiency rating from A to G, calculated from design data and used by charterers in tonnage selection.
- RightShip Inspection X43. Marine Surveying and Warranty Surveying
- A standardized condition inspection scheme operated by RightShip used by major dry bulk charterers as part of vetting.
- RightShip Inspection Questionnaire (RISQ) X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA
- The RightShip-administered inspection questionnaire used for non-OCIMF inspections.
- RightShip Inspection Report X40. Tanker Vetting, SIRE and VIQ
- A vessel inspection report generated under RightShip's own inspection regime, distinct from SIRE.
- RightShip Risk Assessment X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA
- The composite risk score combining technical, operator, and environmental factors used in RightShip recommendations.
- RightShip vetting overlay X71. Shipbrokers and Brokerage Firms
- Risk management platform used by chartering brokers to screen tonnage.
- Rigid Body Motion Solver X54. Naval Architecture Software and IACS Rules
- DFBI-type module in CFD codes resolving ship motions in waves.
- Rigid Containment Boom X60. Marine Salvage and Wreck Removal
- Boom with rigid floats suitable for harbor and inshore use.
- Rim of Pressure Hull X91. Submarines and Submarine Cable Systems
- Junction zone between cylindrical and dome-end portions of a submarine pressure hull.
- RIM-116 RAM X106. Naval Surface Combatants
- Rolling Airframe Missile produced by Raytheon and Diehl, used in Mk 49 and SeaRAM launchers.
- RIM-156 X11. Naval Vessels, Warship Systems and Naval Architecture
- SM-2 Block IV with Mk 72 booster.
- RIM-161 X11. Naval Vessels, Warship Systems and Naval Architecture
- SM-3 ABM interceptor.
- RIM-162 ESSM X11. Naval Vessels, Warship Systems and Naval Architecture
- Evolved Sea Sparrow Missile.
- RIM-174 ERAM X11. Naval Vessels, Warship Systems and Naval Architecture
- SM-6 long-range air defense and anti-ship missile.
- RIM-66 X11. Naval Vessels, Warship Systems and Naval Architecture
- Standard Missile family designation, SM-1 and SM-2 base.
- RIM-67 X11. Naval Vessels, Warship Systems and Naval Architecture
- Long-range SM-2ER variant.
- RIM-7 Sea Sparrow X106. Naval Surface Combatants
- Raytheon medium-range surface-to-air missile derived from the AIM-7, deployed on numerous NATO ships.
- Rim-driven thruster X38. Propellers, Stern Gear and Shaft Lines
- Electric motor integrated in a duct rim driving a hubless propeller (Voith Inline Thruster, Brunvoll RDT, Schottel SRT).
- RINA F3. Seafaring Life, Education, Professions and Institutions
- Royal Institution of Naval Architects, London, founded 1860.
- RINA AUT-CCS X19. Engine Room Watchkeeping and UMS Operations
- Notation for centralized control with attendance.
- RINA AUT-UMS X19. Engine Room Watchkeeping and UMS Operations
- Italian classification society notation for unattended machinery space.
- RINA C X142. Classification Societies and Class Notations
- RINA Class principal symbol.
- RINA C HULL MACH X8. IACS, Class Rules and Class Notations
- RINA main class symbol for hull and machinery surveyed under RINA Rules.
- RINA Cube X112. IMO GHG Strategy, CII, EEXI and EU Maritime Regulation
- Decarbonization and compliance digital service from the Italian classification society RINA.
- RINA Cyber Resilience X48. Maritime Cybersecurity
- RINA notation addressing cyber resilience of shipboard systems.
- RINA Escort Notation X79. Tugs and Towage Industry
- Class notation issued by RINA certifying compliance with escort tug requirements.
- RINA Leonardo Hull X54. Naval Architecture Software and IACS Rules
- RINA suite for rule-based and direct hull structural assessment.
- RINA Membership X155. Marine Surveying Practice and Cargo Inspection
- Membership of the Royal Institution of Naval Architects, a London-based learned society whose corporate members include surveyors specializing in hull strength and structural matters.
- RINA Notation (GREEN PLUS) D6. Decarbonization, emissions and alternative fuels
- Class society environmental notation.
- RINA Rules for the Classification of Ships X142. Classification Societies and Class Notations
- Italian class rulebook updated each January.
- RINA Surveyor X43. Marine Surveying and Warranty Surveying
- A field surveyor employed by Registro Italiano Navale for classification and statutory work on Italian-flag and other vessels.
- RINA Yard Audit X50. Ship Recycling, Demolition and Hong Kong Convention
- HKC-compliant yard certifications conducted by Registro Italiano Navale, particularly in Turkey.
- Ring anchor X175. Port Engineering, Dredging, Breakwaters, and Quays
- Anchor or tie system that distributes anchor loads around a circular sheet pile cell or similar structure.
- Ring Crane X104. Project Cargo Forwarders and Heavy Transport
- Crane rotating on a large diameter ring of rails, exemplified by SGC-250 and PTC 200-DS.
- Ring Groove Measurement X174. Marine Engine Maintenance, Overhaul, and Condition Monitoring
- Verification of piston ring axial and radial clearances by feeler gauge and groove micrometre during overhauls.
- Ring Laser Gyro X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS
- Solid-state heading sensor using counter-propagating laser beams in a closed cavity.
- Ring Main Distribution X67. Marine Electrical Systems and Shore Power
- Closed loop distribution arrangement used on some HV cruise ships for redundancy.
- Ring pack X61. Marine Lubricants and Cylinder Oils
- Set of compression and oil control rings fitted to an engine piston, whose sealing depends on adequate cylinder lubrication.
- Ring Topology X68. Maritime Satcom and Telecommunications
- Satellite network design in which traffic can flow through alternate hubs for resilience.
- Ring valve X19. Engine Room Watchkeeping and UMS Operations
- Plate valve in reciprocating compressor.
- Ringed seal X10. Marine Biology, Fisheries and Oceanography
- *Pusa hispida*, the most widespread Arctic seal.
- Ringer (Purse Seine) X87. Fishing Vessels and Fisheries Management
- Steel ring along the bottom of a purse seine through which the purse line is drawn.
- Ringhorne field X57. Ocean Energy Beyond Wind
- Norwegian North Sea field referenced in regional CO2 storage screening studies.
- Ringing (propulsion shaft) B2. Marine Engineering
- Torsional resonance in shafting.
- Ringlock X169. Container Terminal Cranes, Yard Equipment, and Lashing
- Type of lashing-bar end fitting that engages in a corner casting ring on the container.
- RINL X92. Marine Steel Suppliers and Shipbuilding Plate
- Rashtriya Ispat Nigam Limited, operator of the Visakhapatnam Steel Plant in Andhra Pradesh, India.
- Rio Cable System X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines
- Brazilian submarine cable references in regional connectivity studies.
- Rio Mean Dynamic Topography D1. Physical and chemical oceanography and marine meteorology
- CNES-CLS product of mean dynamic ocean topography.
- Rio Pilots X159. Marine Pilotage, Pilot Districts, and Pilots' Associations
- Practicos do Rio de Janeiro serving the Guanabara Bay and Sepetiba terminals in Brazil.
- Rio Yard Cluster X113. Drydock and Ship Repair Yards
- Brazilian shipbuilding concentration in Rio de Janeiro including EISA and other historic yards.
- Riot, Strikes and Civil Commotions (RSCC) X53. Marine Insurance, P&I and Hull Clauses
- The category of perils added to cargo cover by Institute Strikes Clauses.
- Rip Channel D2. Hydrography, tides, waves, bathymetry and marine geology
- Channel through a longshore bar created by a rip current.
- Rip Current D1. Physical and chemical oceanography and marine meteorology
- Strong narrow seaward flow through the surf zone.
- RIPI X6. Container, Intermodal and Trade Codes
- Reversed Inland Point Intermodal, US service via an East Coast port to an inland West-of-Mississippi destination originally tariffed via the West Coast.
- Riprap C4. Ports, terminals and coastal/marine civil engineering
- Stone armour protection for slopes.
- RIRS X98. Ship Registries and Flag States
- Russian International Register of Ships.
- RIS X33. Inland Navigation and Barge Operations
- River Information Services, harmonized information services for inland waterway traffic under Directive 2005/44/EC.
- RIS COMEX X33. Inland Navigation and Barge Operations
- Pan-European RIS corridor management execution project.
- RIS Index X33. Inland Navigation and Barge Operations
- Reference database of objects on the waterway used by RIS services.
- Risdon Beazley X167. Major Salvage Companies, Wreck Removals, and Equipment
- Historic UK deep ocean salvage company based in Southampton, recoverer of valuable cargoes including from HMS Edinburgh.
- Rise (Mid-Ocean) D2. Hydrography, tides, waves, bathymetry and marine geology
- Broad axial uplift along a fast-spreading ridge.
- Riser X14. Offshore Oil and Gas Marine Operations
- Conduit from seabed to surface; drilling, production, export, or workover.
- Riser (offshore) X57. Ocean Energy Beyond Wind
- Vertical pipeline component used for hydrocarbon, hydrogen, or CO2 transfer between seabed and surface facilities.
- Riser Base Manifold X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines
- Subsea structure at the foot of a riser connecting multiple pipelines.
- Riser cable X42. Offshore Wind Installation and Cable Lay
- Synonym for dynamic cable on a floating wind platform.
- Riser Cutting X60. Marine Salvage and Wreck Removal
- Severance of risers from a platform during decommissioning.
- Riser Survey X43. Marine Surveying and Warranty Surveying
- A specialist inspection of offshore production risers including flexible, rigid, and umbilical lines, often using ROV-mounted equipment.
- Riser Tensioner X14. Offshore Oil and Gas Marine Operations
- Compensator maintaining tension on drilling riser.
- Riser Tower (FPSO) E4. Cruise, offshore energy and auxiliary/specialised fleets
- Vertical riser support structure.
- Riserless lay X122. Submarine Cable Laying, Repair Vessels and Operators
- Cable lay technique without a stern chute, used by some power cable vessels with overboarding wheel.
- Riserless Light Well Intervention X153. Offshore Drilling Rigs, FPSOs, and Offshore Vessels
- Subsea well intervention performed without a marine riser, using a subsea lubricator stack.
- Risers X3. Ship Handling, Seamanship and Deck Vocabulary
- Vertical ropes of the side ladder.
- Rising Tide D2. Hydrography, tides, waves, bathymetry and marine geology
- Period when tidal level is increasing.
- Risk Acceptance X48. Maritime Cybersecurity
- Documented decision to bear a specific risk without further treatment.
- Risk Appetite X48. Maritime Cybersecurity
- Amount and type of risk a shipping company is willing to pursue or retain.
- Risk assessment C2. Ship operations, crewing and technical management
- Documented evaluation of hazards.
- Risk Assessment (NIST SP 800-30) E3. Technology, digitalization and smart shipping
- Methodology often adopted shipboard.
- Risk assessment (Regulation A-4) X18. Ballast Water, Biofouling and Antifouling
- Procedure for granting BWM exemptions based on biogeographic and operational analysis.
- Risk Assessment (SSA) E1. Maritime security, geopolitics and risk
- Ship Security Assessment underpinning the SSP.
- Risk Assessment for Recycling X28. Ship Recycling and End-of-Life
- SRP component identifying hazards from materials, methods, and environment.
- Risk assessment for ship-specific hazards X147. Ship Recycling, Hong Kong Convention, and Recycling Yards
- A mandatory component of the SRP for each ship received.
- Risk Assessment Project X104. Project Cargo Forwarders and Heavy Transport
- Documented analysis of risks at each step of a project lift or move.
- Risk Assessment Register X40. Tanker Vetting, SIRE and VIQ
- The operator's master register of identified risks and controls, reviewed under VIQ Chapter 1 and TMSA Element 9.
- Risk Assessment Review X5. Marine Surveying and Inspection
- Surveyor review of operational risk assessments during ISM audits.
- Risk Assessment, Polar X52. Polar Code, Arctic and Antarctic Shipping
- Hazard identification and risk assessment required under Polar Code Chapter 1 to support PWOM operational limits.
- Risk Assessment, Ship Recycling Plan X50. Ship Recycling, Demolition and Hong Kong Convention
- The ship-specific hazard identification required under MEPC.222(64).
- Risk Assessment, Transfer X159. Marine Pilotage, Pilot Districts, and Pilots' Associations
- Master and pilot evaluation of sea state, vessel motions, and lighting before commencing pilot transfer.
- Risk Based Inspection (Galley) X120. Marine Catering, Provisions and Ship Chandlers
- Approach used by P&I clubs during pre-employment vessel surveys.
- Risk Based Salvage X13. Marine Salvage and Wreck Removal
- Decision framework weighing cost, environment, and time on casualty options.
- Risk Code X53. Marine Insurance, P&I and Hull Clauses
- The classification code identifying the type of marine risk for regulatory and market reporting.
- Risk Group X75. IMDG Code, Classes, Packing and Segregation
- WHO classification of pathogens used as input for Class 6.2 categorization.
- Risk Inception X4. Marine Insurance, P&I and Claims
- time and date risk attaches.
- Risk Index Outcome X133. Polar Research Vessels and Polar Code Regimes
- RIO under POLARIS, ship class-by-ice-type score determining go/no-go.
- Risk Intelligence X127. Maritime Security, Anti-Piracy and PMSCs
- Danish maritime security analyst firm founded 2001, publishes MaRisk database covering 100 countries.
- Risk Management Plan X127. Maritime Security, Anti-Piracy and PMSCs
- Ship-specific document required under ISO 28007 for each PCASP transit.
- Risk of collision X16. Nautical Science, Navigation and COLREGs
- COLREGs Rule 7 concept of imminent danger of contact.
- Risk of Liability (Article 13(1)(g)) X99. Marine Salvage Awards and SCOPIC
- Criterion recognizing the legal and financial risks assumed by the salvor.
- Risk Quotient D3. Marine environmental science, pollution and conservation
- Ratio of expected exposure to PNEC in risk assessment.
- Risk Register X25. Maritime Cybersecurity, OT and IT
- Living record of identified risks, controls and treatments.
- Risk Retention Group (RRG) X117. Marine Insurance Markets, Captives and Reinsurance
- A US captive form authorized by the Liability Risk Retention Act 1986, used for liability lines only.
- Risk Surveyor X4. Marine Insurance, P&I and Claims
- surveyor appointed by underwriters before binding to assess condition.
- Risk Transfer X48. Maritime Cybersecurity
- Treatment in which risk is shifted to another party, for example through insurance.
- Risk-Based Approach X151. Maritime Sanctions, Dark Fleet, and Price Cap Regimes
- The FATF-aligned compliance posture in which due-diligence intensity scales with assessed risk, including for maritime counterparties.
- Risk-based assessment (POLARIS) X27. Polar Code, Ice Navigation and Polar Operations
- Methodology used to determine operability of a ship in given ice.
- Risk-Based Design X54. Naval Architecture Software and IACS Rules
- Approach using formal safety assessment to justify equivalents under SOLAS and IMO MSC Circ.1455.
- Risk-based inspection C2. Ship operations, crewing and technical management
- Approach used by class and Port State Control.
- Risk-Based Inspection (SIRE 2.0) X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA
- The core SIRE 2.0 design principle that inspection scope and depth flex according to vessel, operator, and trade risk.
- Risk-based investigation X12. Maritime Casualties and Investigation
- Approach prioritizing systemic lessons over individual blame.
- Risk-Based PSC Targeting X154. Maritime Welfare, Seafarer Charities, and MLC Rights
- Port-state inspection regime under which abandonment-prone vessels can be flagged for enhanced welfare scrutiny.
- Risk-based targeting X7. Flag State, Port State Control and Detention Vocabulary
- PSC selection of inspection candidates by ship risk profile, age, type and flag performance.
- RITHM X126. Marine Oil Spill Response and OPRC Regimes
- REMPEC Information for Hazardous Materials.
- RITM-200 X133. Polar Research Vessels and Polar Code Regimes
- Russian OKBM reactor powering LK-60Ya icebreakers, 175 MW thermal per reactor, two per ship.
- Ritz Carlton Yacht Collection X164. Cruise Industry, Brands, Ship Classes, and Terminals
- The luxury yacht cruising brand of Marriott International operating Evrima, Ilma, and the planned Luminara.
- RIV (Risk Index Value) X27. Polar Code, Ice Navigation and Polar Operations
- Tabulated POLARIS value for ice class and ice type combination.
- Riva X35. Yacht and Superyacht Industry
- Italian builder in Sarnico, founded 1842, famed for runabouts including the Aquarama and Aquariva; part of the Ferretti Group.
- River class X11. Naval Vessels, Warship Systems and Naval Architecture
- Royal Navy OPV, Batches 1 and 2.
- River Crossing Subsea Cable X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines
- Cable installed under inland waterways using HDD or trenching, often included in MSP for estuarine areas.
- River Information Services (RIS) X166. Inland Waterways, Ferries, RoRo, and Short Sea Shipping
- The harmonized European information services for inland navigation under EU Directive 2005/44/EC, comprising Inland AIS, Inland ECDIS, electronic ship-reporting, and notices to skippers.
- River Information Services Directive X33. Inland Navigation and Barge Operations
- Directive 2005/44/EC mandating harmonized RIS in EU member states.
- River Kilometer X33. Inland Navigation and Barge Operations
- Linear distance measured along a river from a defined origin.
- River Lea Maritime Heritage F2. Maritime Culture, Heritage, Archaeology, Art and Museums
- London inland waterway heritage.
- River Mile X33. Inland Navigation and Barge Operations
- US convention for linear distance along a river measured in statute miles.
- River Pilot F3. Seafaring Life, Education, Professions and Institutions
- Pilot for inland waterways such as the Elbe or Mississippi.
- River Pilotage X86. Port Agency, Husbandry and Disbursement
- Pilotage for river transits with separate fees and timing.
- River plume X10. Marine Biology, Fisheries and Oceanography
- Buoyant freshwater discharge spreading from a river mouth into coastal waters.
- River Salvage X60. Marine Salvage and Wreck Removal
- Operations in inland waters with constraints of width, depth, and current.
- River Stage X103. US Inland Waterway Towing and Barge
- The water surface elevation at a gauge, reported in feet on local datums.
- River Thames X124. Dredging Industry and Reclamation Contractors
- DEME TSHD of 11,300 m3, dual-fuel methanol pioneer.
- River training works C4. Ports, terminals and coastal/marine civil engineering
- Structures controlling river morphology.
- River Tug Coordination X86. Port Agency, Husbandry and Disbursement
- Coordination of river tugs for inland passage.
- River-sea vessel X166. Inland Waterways, Ferries, RoRo, and Short Sea Shipping
- A vessel certified for both inland river and limited coastal sea operation, common on the Volga-Don, Rhine, and Yangtze estuary trades.
- Riverside Campus Glasgow X121. Maritime Education, Academies and Universities
- See City of Glasgow College Riverside Campus.
- Riverstone X79. Tugs and Towage Industry
- US private equity firm whose maritime investments have included PSA Marine-related transactions.
- Riviera X156. Superyacht Industry, Builders, and Yacht Charter Market
- Australian builder at Coomera, Queensland, producing composite motor yachts including the Sport Yacht and SUV lines.
- Riviera Maritime Media X71. Shipbrokers and Brokerage Firms
- UK-based publisher of LNG Journal, Tanker Shipping & Trade, and related titles.
- Riviera Maritime Media events portfolio X119. Maritime Conferences, Trade Shows and Awards
- Includes Offshore Support Journal Conference, Sulphur Cap Conference, LNG Shipping Conference, Tanker Shipping and Trade Conference, Container Shipping and Trade Conference, and Marine Propulsion…
- Riviera Yachting Network X35. Yacht and Superyacht Industry
- French Riviera cluster of yacht services and yards.