Glossary

Maritime glossary, terms beginning with V (page 3)

All maritime glossary terms that begin with the letter V, drawn from every subject section. 1066 entries.

Showing 250 of 1066 terms (page 3 of 5).

Vetting Rejection X40. Tanker Vetting, SIRE and VIQ: An unfavorable screening outcome under which a vessel is not approved for the proposed employment.
Vetting Survey X43. Marine Surveying and Warranty Surveying: A condition and operational inspection performed under industry vetting schemes such as SIRE 2.0 or CDI for major charterer acceptance.
VFD (Variable Frequency Drive) X94. Port Machinery and Quay Equipment Makers: Power electronics drive that controls AC motor speed and torque on cranes and conveyors.
VFD propulsion drive X38. Propellers, Stern Gear and Shaft Lines: Variable-frequency drive feeding an electric propulsion motor, used in podded and conventional electric propulsion.
VFR X31. Helicopter Operations on Ships: Visual Flight Rules, flight by external visual reference.
VGM X6. Container, Intermodal and Trade Codes: Verified Gross Mass.
VGM (Verified Gross Mass) X170. SOLAS 1974 Convention: Chapter-by-Chapter Glossary: SOLAS VI/2 requirement for packed containers, effective 1 July 2016 (MSC.380(94)), via Method 1 (weighing whole container) or Method 2 (calculated sum).
VGM Plate X83. ISO Container Manufacturing and Leasing: Plate or sticker affixed to a container recording its verified gross mass declaration.
VGM Project Cargo X104. Project Cargo Forwarders and Heavy Transport: Verified gross mass declaration required for packed containers in project consignments.
VGM Requirement X158. IMO Conventions, Protocols, Codes, and Resolutions: Verified Gross Mass requirement under SOLAS VI Regulation 2 effective 1 July 2016.
VHF (Very High Frequency) X16. Nautical Science, Navigation and COLREGs: 156 to 174 MHz maritime band including DSC Channel 70.
VHF Channel X32. Marine Pilotage and Pilot Operations: Designated voice channel for pilot station, varies by port.
VHF Channel 13 X103. US Inland Waterway Towing and Barge: The bridge-to-bridge navigation safety radio channel monitored by US inland tows and lock masters.
VHF Channel 16 X22. Piracy, Maritime Security and Armed Protection: International distress, urgency and calling frequency monitored by ships and shore stations.
VHF Communication Coordination X86. Port Agency, Husbandry and Disbursement: Coordination of VHF communication between vessel, pilot, and terminal.
VHF Data Exchange System (VDES) X148. Maritime Cybersecurity, IACS Cyber Rules, and Incidents: The successor to AIS, introducing IP-based payloads and explicit security provisions in ITU-R M.2092.
VHF Data Link X74. AIS Data, Vessel Tracking and Maritime Intelligence: General term for the 161.975 and 162.025 MHz channels carrying AIS messages.
VHF DSC X80. Maritime Search and Rescue Coordination: Channel 70 Digital Selective Calling for short range distress alerting.
VHF DSC Controller X23. AIS, GMDSS, IALA Buoyage and Aids to Navigation: Module compliant with ITU-R M.493-15 integrated in marine VHFs.
VHF DSC Watch X95. GMDSS Equipment and Survival Craft Communications: Continuous automatic monitoring of VHF Channel 70 required of GMDSS equipped vessels in sea area A1 and above.
VHF Intercept X22. Piracy, Maritime Security and Armed Protection: Monitoring of pirate communications on Channel 16 and working channels.
VHF Marine Band F5. The Reference Layer: Glossary, Units, Signals and Information Sources: 156 to 174 MHz radio band used for maritime communications.
VHF Marine Channel X31. Helicopter Operations on Ships: Radio frequency used by helicopter to communicate with ship before landing.
VHF medical relay X36. Shipboard Medical, Telemedicine and Seafarer Health: Coast radio station relays medical traffic to TMAS where Inmarsat unavailable.
VHF Radio X23. AIS, GMDSS, IALA Buoyage and Aids to Navigation: Maritime VHF in the 156 to 174 MHz band per ITU Appendix 18.
VHF Radio (Fishing Vessel) X87. Fishing Vessels and Fisheries Management: Marine VHF set required by SOLAS Chapter IV for larger vessels and by national rules for smaller fishing vessels.
VHF Radio Operator X21. STCW Certificates, Crewing and Seafarer Welfare: Holder of a Short Range Certificate or higher, qualified to use marine VHF.
VHF Watch X80. Maritime Search and Rescue Coordination: Continuous monitoring of Channel 16 by GMDSS-equipped vessels.
VHP (Vapor Handling Plant) X20. LNG Operations and Custody Transfer: Onshore equipment set including BOG compressor, recondenser, and HP pump.
Viability (organism) X18. Ballast Water, Biofouling and Antifouling: Capacity of an organism to reproduce after treatment; the basis for D-2 compliance assessment.
Viareggio X35. Yacht and Superyacht Industry: Tuscan port that hosts Benetti, Codecasa, Perini Navi, Rossinavi, and other Italian yards.
Viasat X68. Maritime Satcom and Telecommunications: American satellite operator with maritime Ka-band offerings, including services formerly branded as Inmarsat Global Xpress after the 2023 Viasat acquisition of Inmarsat.
Viasat KA-SAT X139. Maritime Cybersecurity, OT Threats and Standards: Satellite network suffering the 24 February 2022 AcidRain wiper attack, disrupting modems across Europe.
Viasat Maritime X68. Maritime Satcom and Telecommunications: Combined Viasat and Inmarsat maritime portfolio following the acquisition completed in 2023.
Vibrating Hammer Pile Extraction X60. Marine Salvage and Wreck Removal: Use of vibratory hammers to extract piles during decommissioning.
Vibrating Wire Strain Gauge X96. Hull Integrity Monitoring and Strain Gauges: Strain gauge employing a tensioned wire whose resonant frequency varies with applied strain.
Vibration absorber (torsional) X38. Propellers, Stern Gear and Shaft Lines: Geislinger or Hasse & Wrede torsional damper installed at the free end of the engine or on the shaft.
Vibration acceptance test B4. Shipbuilding, Materials, Sea Trials, Retrofits and Recycling: ISO 6954 measurement at trial.
Vibration analysis X19. Engine Room Watchkeeping and UMS Operations: Spectral monitoring of machinery vibration for bearing and unbalance defects.
Vibration Class Notation X54. Naval Architecture Software and IACS Rules: Class notation such as DNV COMF-V addressing onboard vibration comfort.
Vibration isolator B2. Marine Engineering: Spring/elastomeric isolator for machinery foundations.
Vibration mode shape B1. Naval Architecture: Spatial distribution of an eigenvibration.
Vibration monitoring X59. Offshore Wind O&M, CTVs and SOVs: Continuous measurement of drivetrain vibration to detect bearing or gear degradation.
Vibration monitoring (shaft) X38. Propellers, Stern Gear and Shaft Lines: Continuous measurement of lateral and torsional vibration on the shaft line, often via accelerometers and strain gauges.
Vibration sensor X19. Engine Room Watchkeeping and UMS Operations: Accelerometer or proximity probe feeding online monitoring system.
Vibration Severity X174. Marine Engine Maintenance, Overhaul, and Condition Monitoring: ISO 10816 and ISO 20816 zone classification A, B, C, D defining acceptable, restricted, and unacceptable vibration levels.
Vibration Survey X5. Marine Surveying and Inspection: Measurement of vibration on machinery and structures.
Vibration Trial X113. Drydock and Ship Repair Yards: Post-drydock measurement of hull and machinery vibration following major propulsion modifications.
Vibrio X10. Marine Biology, Fisheries and Oceanography: Genus of marine bacteria that includes pathogens such as *Vibrio cholerae* and *Vibrio parahaemolyticus*.
Vibrio cholerae X18. Ballast Water, Biofouling and Antifouling: Pathogenic bacterium regulated under D-2 (toxigenic O1 and O139) at less than 1 cfu per 100 mL.
Vibrio parahaemolyticus X41. Cruise Ship Public Health and VSP/USPH: Pathogen associated with raw shellfish, addressed through approved-source and time-temperature controls.
Vibrocoring X42. Offshore Wind Installation and Cable Lay: Geotechnical sampling technique using vibratory penetration for shallow seabed sampling.
Vibrohammer X105. Offshore Wind Farm Installation and Vessels: Vibratory pile-driving tool used to install suction caissons, anchor piles, and reduce noise during initial pile penetration.
Vicki Lyn X128. Sail Training Ships and Tall Ship Associations: Class C Bermudan ketch type names appear in STI registers from multiple flags.
Vicksburg X103. US Inland Waterway Towing and Barge: A Mississippi city on the Lower Mississippi River and home of Magnolia Marine Transport.
Vicksburg District X103. US Inland Waterway Towing and Barge: The US Army Corps of Engineers district responsible for a reach of the Lower Mississippi River.
VICT Victoria International Container Terminal X138. Global Container Terminal Operators and Port Equipment: Webb Dock East Melbourne facility operated by ICTSI subsidiary, Australia's first fully automated container terminal commissioned 2016.
Victor Flag F5. The Reference Layer: Glossary, Units, Signals and Information Sources: International Code of Signals letter V, meaning "I require assistance."
Victor III class X11. Naval Vessels, Warship Systems and Naval Architecture: Soviet Project 671RTMK SSN.
Victor Marine X63. Marine Auxiliary Machinery and Pumps: UK manufacturer of marine OWS units.
Victor Marine OWS X63. Marine Auxiliary Machinery and Pumps: Coalescer-based oily water separator from Victor Marine.
Victoria Cable X122. Submarine Cable Laying, Repair Vessels and Operators: NKT Victoria's industry shortname.
Victoria I X85. Ferries, Ro-Pax Operators and Routes: Tallink ro-pax built 2004 deployed on Tallinn to Stockholm.
Victorian Institute of Marine Sciences X121. Maritime Education, Academies and Universities: Australian institutional umbrella for fisheries oceanography.
Victory Ship F1. Maritime History: Improved Second World War American cargo vessel succeeding the Liberty design.
Victory, HMS F1. Maritime History: Nelson's flagship at Trafalgar, launched 1765, preserved at Portsmouth.
Victualling Officer F3. Seafaring Life, Education, Professions and Institutions: Stores officer historically on Royal Navy and large merchant ships.
Victualling Standards X154. Maritime Welfare, Seafarer Charities, and MLC Rights: Detailed shipowner obligations under MLC 3.2 on food quantity, quality, and variety.
VIDA X61. Marine Lubricants and Cylinder Oils: Vessel Incidental Discharge Act establishing the framework for US incidental discharge standards including stern tube oil requirements.
Vidar X42. Offshore Wind Installation and Cable Lay: Subsea7 wind turbine installation vessel under construction by Vard for delivery to Subsea7's offshore wind business.
Video Conferencing at Sea X68. Maritime Satcom and Telecommunications: Use of FleetBroadband, Fleet Xpress, VSAT, or Starlink links to support video calls from vessels.
VideoRay X65. ROVs, AUVs, USVs and Marine Robotics: US manufacturer of compact tethered observation-class ROVs widely used in defense, infrastructure and search and rescue.
VideoRay Defender X65. ROVs, AUVs, USVs and Marine Robotics: See Defender.
VideoRay Mission Specialist Defender X65. ROVs, AUVs, USVs and Marine Robotics: Modular member of the VideoRay Mission Specialist family in the Defender configuration.
VideoRay Pro 4 X65. ROVs, AUVs, USVs and Marine Robotics: Earlier generation VideoRay Pro family observation-class ROV.
VideoRay Pro 5 X65. ROVs, AUVs, USVs and Marine Robotics: See Pro 5.
Videotel CBT X144. Bridge Simulators, Engine Room Simulators, and Maritime Training Equipment: Computer-based training library used alongside simulators.
Vidsel TMAS Sweden X36. Shipboard Medical, Telemedicine and Seafarer Health: Swedish telemedical advisory service for ships.
Vienna Convention X145. P&I Clubs, War Risk Insurers, and Marine Insurance Markets: Influence on Austrian marine insurance, niche.
Vienna Convention on the Law of Treaties 1969 X51. Maritime Arbitration, Law and BIMCO Clauses: The convention governing interpretation of treaties, applied to maritime conventions.
Vietnam Maritime Administration X98. Ship Registries and Flag States: Vinamarine, flag administration of the Socialist Republic of Vietnam.
Vietnam Maritime Conference X119. Maritime Conferences, Trade Shows and Awards: Annual Hanoi or Ho Chi Minh City event by Transport Events.
Vietnam Maritime University X55. Marine Simulators, Training and Maritime Academies: Public university in Haiphong, Vietnam, offering navigation and marine engineering programs.
Vietnam Pangasius Reefer X136. Reefer Vessels and Cool Chain Operators: Reefer container export trade of pangasius from Ho Chi Minh City to the United States and EU.
Vietnam PSC X66. Port State Control and Regional MOUs: Tokyo MOU member State; PSC conducted by Vietnam Maritime Administration.
Vigan X169. Container Terminal Cranes, Yard Equipment, and Lashing: Belgian maker of pneumatic continuous ship unloaders for grain, soybean meal, and other free-flowing bulks, headquartered in Nivelles.
Vigan Engineering X94. Port Machinery and Quay Equipment Makers: Belgian manufacturer of pneumatic and mechanical continuous shipunloaders for grain and other free-flowing bulks.
Vigilant, HMC X130. National Coast Guards and Cutter Fleets: UK Border Force 42-meter Damen Stan 4207 cutter, commissioned 2003, homeported Portsmouth.
Vigo Port X87. Fishing Vessels and Fisheries Management: Major Spanish fishing port and headquarters of the European Fisheries Control Agency.
Vigor Industrial X113. Drydock and Ship Repair Yards: US Pacific Northwest ship repair group with yards at Portland, Seattle Harbor Island, and Swan Island.
Vigraha-class X130. National Coast Guards and Cutter Fleets: Indian Coast Guard 98-meter OPV built by Goa Shipyard, lead ship ICGS Vigraha commissioned 2021.
VIIRS D5. Coastal processes, sea-level, cryosphere and ocean observation science: Visible Infrared Imaging Radiometer Suite on NOAA satellites.
VIIRS Boat Detection X74. AIS Data, Vessel Tracking and Maritime Intelligence: Satellite optical method that complements AIS by detecting illuminated fishing fleets at night.
Vijayanagar X92. Marine Steel Suppliers and Shipbuilding Plate: JSW Steel integrated steelworks at Bellary in Karnataka, India, the company's largest plant.
Viking Age F1. Maritime History: Roughly 793 to 1066, marked by Norse seafaring expansion.
Viking Cinderella X24. Cruise, Passenger Ship and Ferry Operations: Viking Line cruise ferry operating Stockholm overnight cruises.
Viking Cruises X24. Cruise, Passenger Ship and Ferry Operations: Cruise brand operating river and ocean ships.
Viking Expeditions X64. Cruise Industry Operators, Brands and Ships: Expedition cruise division of Viking operating Viking Octantis and Viking Polaris.
Viking Glory X85. Ferries, Ro-Pax Operators and Routes: Viking Line LNG dual-fuel cruise-ferry built 2022 deployed on Turku to Stockholm via Mariehamn.
Viking Grace X85. Ferries, Ro-Pax Operators and Routes: Viking Line LNG dual-fuel cruise-ferry built 2013 and the world's first LNG-fueled passenger cruise-ferry, deployed on Turku to Stockholm.
Viking Jupiter X64. Cruise Industry Operators, Brands and Ships: Viking Ocean Cruises ship delivered in 2019.
Viking Line X24. Cruise, Passenger Ship and Ferry Operations: Finnish ferry operator on the northern Baltic, owner of Viking Cinderella.
Viking Link X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines: 1,400 MW HVDC submarine cable between Bicker Fen, England, and Revsing, Denmark, in service since 2023.
Viking Longship X33. Inland Navigation and Barge Operations: Class of 135 m European river cruise ships operated by Viking River Cruises.
Viking Maritime Training Center Denmark X121. Maritime Education, Academies and Universities: Industry STCW provider with simulators in Esbjerg.
Viking Mars X64. Cruise Industry Operators, Brands and Ships: Viking Ocean Cruises ship delivered in 2022.
Viking Neptune X64. Cruise Industry Operators, Brands and Ships: Viking Ocean Cruises ship delivered in 2022.
Viking Ocean Cruises X64. Cruise Industry Operators, Brands and Ships: Ocean division of Viking, founded in 2015 with Viking Star.
Viking Octantis X64. Cruise Industry Operators, Brands and Ships: Viking Expeditions vessel delivered in 2022.
Viking Orion X64. Cruise Industry Operators, Brands and Ships: Viking Ocean Cruises ship delivered in 2018.
Viking Polaris X64. Cruise Industry Operators, Brands and Ships: Viking Expeditions vessel delivered in 2022.
Viking River Cruises X64. Cruise Industry Operators, Brands and Ships: River cruise division of Viking, founded in 1997.
Viking Saturn X64. Cruise Industry Operators, Brands and Ships: Viking Ocean Cruises ship delivered in 2023.
Viking Sea X64. Cruise Industry Operators, Brands and Ships: Viking Ocean Cruises ship delivered in 2016.
Viking Ship Museum, Oslo F2. Maritime Culture, Heritage, Archaeology, Art and Museums: Houses the Oseberg, Gokstad, and Tune ships, now part of Museum of the Viking Age.
Viking Sky X24. Cruise, Passenger Ship and Ferry Operations: Viking Ocean Cruises ship that lost propulsion off Hustadvika, Norway on 23 March 2019 and was airlifted.
Viking Star X64. Cruise Industry Operators, Brands and Ships: First Viking Ocean Cruises ship delivered in 2015.
Viking Sun X64. Cruise Industry Operators, Brands and Ships: Former Viking Ocean Cruises ship transferred to Viking China operations.
Viking Venus X64. Cruise Industry Operators, Brands and Ships: Viking Ocean Cruises ship delivered in 2021.
Viking XPRS X85. Ferries, Ro-Pax Operators and Routes: Viking Line ro-pax built 2008 deployed on Helsinki to Tallinn.
Viking Yachts X156. Superyacht Industry, Builders, and Yacht Charter Market: American builder at New Gretna, New Jersey, producing composite convertible sportfish and motor yachts.
Vikings X39. Pre-1900 Maritime History: Scandinavian seafarers of the eighth to eleventh centuries whose longships ranged from the Mediterranean to North America.
Vikoma X60. Marine Salvage and Wreck Removal: UK based manufacturer of oil spill response equipment.
Vikram-class X130. National Coast Guards and Cutter Fleets: Indian Coast Guard 97-meter OPV built by L and T Kattupalli, seven hulls commissioned 2017-2024.
Vikramaditya X11. Naval Vessels, Warship Systems and Naval Architecture: Indian Navy STOBAR carrier.
Vikramaditya (INS) X106. Naval Surface Combatants: Indian Navy aircraft carrier converted from the former Soviet Admiral Gorshkov, commissioned 2013.
Vikrant X11. Naval Vessels, Warship Systems and Naval Architecture: Indian Navy indigenous aircraft carrier.
Vikrant (IAC-1) X62. Naval Warships and Combat Systems: Indian Navy indigenous aircraft carrier with pennant R11.
Vikrant (INS) X106. Naval Surface Combatants: First indigenously designed Indian aircraft carrier IAC-1, commissioned 2022.
Vina del Mar Agreement A7. Compliance, certification and enforcement: Latin American PSC arrangement.
Vina del Mar Member States X66. Port State Control and Regional MOUs: Argentina, Bolivia, Brazil, Chile, Colombia, Cuba, Ecuador, Honduras, Mexico, Panama, Peru, Uruguay, and Venezuela.
Vinalines X138. Global Container Terminal Operators and Port Equipment: Vietnam National Shipping Lines, parent of multiple Vietnamese port joint ventures including TCIT and Cai Mep.
Vinashin X58. Shipbuilding Yards and Construction: Vietnamese state shipbuilding group, restructured as SBIC after 2010.
Vincent Mungai Foundation F3. Seafaring Life, Education, Professions and Institutions: Sample of regional seafarer welfare initiative.
Vinegar (White) X120. Marine Catering, Provisions and Ship Chandlers: IMPA 550407 5 L jerrycan, ambient store.
Vineyard Wind 1 X42. Offshore Wind Installation and Cable Lay: US offshore wind project off Massachusetts developed by Avangrid and Copenhagen Infrastructure Partners using GE Haliade-X turbines.
Vineyard Wind 2 X123. Offshore Wind Installation Vessels and Operators: Proposed extension project, contract status under review post 2024 election.
Vinh Hoan Corporation X131. Commercial Fisheries, Trawler Fleets and Seafood Processors: Vietnamese pangasius processor based in Dong Thap, the largest single producer.
Vinland X39. Pre-1900 Maritime History: Norse name for the part of North America reached by Leif Erikson around the year 1000.
Vinland Map Controversy F2. Maritime Culture, Heritage, Archaeology, Art and Museums: Disputed Pre-Columbian map associated with Norse exploration.
Vinson and Elkins X114. Maritime Arbitration and Shipping Law Firms: United States firm with offshore and shipping practice in Houston.
Vinyl Acetate Monomer X93. IBC Code and Chemical Tanker Operations: Vinyl ester assigned UN 1301, Type 2 ship, Category Y, inhibited monomer requiring an Inhibitor Certificate.
Vinyl Acetate Monomer (VAM) X135. Chemical Tanker Operators and IBC Code Cargoes: Category Y reactive monomer (C4H6O2) requiring stainless tanks, hydroquinone inhibitor and tight temperature control.
Vinyl Acetate Stabilized X75. IMDG Code, Classes, Packing and Segregation: UN 1301, Class 3 flammable liquid Packing Group II.
Vinyl Bromide Stabilized X75. IMDG Code, Classes, Packing and Segregation: UN 1085, Class 2.1 flammable gas.
Vinyl chloride monomer X147. Ship Recycling, Hong Kong Convention, and Recycling Yards: An IHM listed hazardous substance present in some onboard polymers and resins.
Vinyl Chloride Stabilized X75. IMDG Code, Classes, Packing and Segregation: UN 1086, Class 2.1 flammable liquefied gas.
Vinyl ester X45. Marine Paints, Coatings and Antifouling: Resin chemistry used in chemical-resistant tank linings.
Vinyl ester coating X18. Ballast Water, Biofouling and Antifouling: Hard, non-biocidal coating chemistry used in some IWC-friendly products.
Vinyl Ethyl Ether Stabilized X75. IMDG Code, Classes, Packing and Segregation: UN 1302, Class 3 flammable liquid Packing Group I.
Vinyl Methyl Ether Stabilized X75. IMDG Code, Classes, Packing and Segregation: UN 1087, Class 2.1 flammable gas.
Vinyl tar antifouling X45. Marine Paints, Coatings and Antifouling: Older antifouling chemistry largely replaced by SPC and CDP systems.
Vinylidene Chloride Monomer X93. IBC Code and Chemical Tanker Operations: Halogenated vinyl monomer assigned UN 1303, Type 2 ship, Category Y, inhibited cargo under Annex II.
Vinylidene Chloride Stabilized X75. IMDG Code, Classes, Packing and Segregation: UN 1303, Class 3 flammable liquid Packing Group I.
Violence on the High Seas Act X127. Maritime Security, Anti-Piracy and PMSCs: US 18 USC 1651 to 1661, statutory basis for prosecution of pirates in US federal courts.
VIP cabin X125. Superyacht Industry, Builders and Brokers: Guest stateroom typically equivalent in size to the master, usually located on the main deck.
Vipers Class F4. Recreational Boating, Yachting and Sport: Generic example of multihull sportboat class.
VIQ X93. IBC Code and Chemical Tanker Operations: Vessel Inspection Questionnaire used in the OCIMF SIRE programme to structure ship inspections.
VIQ (Vessel Inspection Questionnaire) X146. Port State Control Regimes, MoUs, and Inspection Systems: The OCIMF SIRE questionnaire used in tanker vetting, distinct from but often aligned with PSC checks.
VIQ 7 X25. Maritime Cybersecurity, OT and IT: See OCIMF VIQ 7.
VIQ Chapter 1 X40. Tanker Vetting, SIRE and VIQ: General Information, covering vessel identification, operator details, and inspection logistics.
VIQ Chapter 1 General Information X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA: The questionnaire chapter covering vessel particulars, certificates, and registry.
VIQ Chapter 10 X40. Tanker Vetting, SIRE and VIQ: Engine and Steering Compartments, covering machinery condition and maintenance.
VIQ Chapter 10 Engine and Steering X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA: The chapter covering propulsion, steering, and engine room operations.
VIQ Chapter 11 X40. Tanker Vetting, SIRE and VIQ: General Appearance and Condition, covering housekeeping, paint, and structural cleanliness.
VIQ Chapter 11 General Appearance X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA: The chapter capturing overall vessel condition and housekeeping.
VIQ Chapter 12 X40. Tanker Vetting, SIRE and VIQ: Ice Operations, covering vessel readiness for ice trading where applicable.
VIQ Chapter 13 X40. Tanker Vetting, SIRE and VIQ: LNG/LPG/Chemical Specifics, covering equipment and procedures specific to gas and chemical carriers.
VIQ Chapter 2 X40. Tanker Vetting, SIRE and VIQ: Certification and Documentation, covering statutory and class certificates.
VIQ Chapter 2 Certification and Documentation X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA: The chapter covering statutory certificates, ISM/ISPS documentation, and class records.
VIQ Chapter 3 X40. Tanker Vetting, SIRE and VIQ: Crew Management, covering manning, qualifications, familiarization, fatigue, and welfare.
VIQ Chapter 3 Crew Management X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA: The chapter covering manning, qualifications, training, and welfare.
VIQ Chapter 4 X40. Tanker Vetting, SIRE and VIQ: Navigation and Communications, covering bridge equipment, procedures, and watchkeeping.
VIQ Chapter 4 Navigation X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA: The chapter covering passage planning, bridge equipment, and ECDIS.
VIQ Chapter 5 X40. Tanker Vetting, SIRE and VIQ: Safety Management, covering enclosed-space entry, hot work, fire safety, lifesaving appliances, and permits.
VIQ Chapter 5 Safety Management X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA: The chapter covering SMS, risk assessment, and permit to work.
VIQ Chapter 6 X40. Tanker Vetting, SIRE and VIQ: Pollution Prevention, covering MARPOL compliance and emergency response equipment.
VIQ Chapter 6 Pollution Prevention X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA: The chapter covering MARPOL Annexes I, IV, V, and VI compliance.
VIQ Chapter 7 X40. Tanker Vetting, SIRE and VIQ: Maritime Security, covering ISPS implementation and security planning.
VIQ Chapter 7 Maritime Security X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA: The chapter covering ISPS implementation and cyber security.
VIQ Chapter 8 X40. Tanker Vetting, SIRE and VIQ: Cargo and Ballast Systems, covering cargo operations, inert gas, venting, and tank atmospheres.
VIQ Chapter 8 Cargo and Ballast Operations X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA: The chapter covering loading, discharge, COW, and IGS.
VIQ Chapter 9 X40. Tanker Vetting, SIRE and VIQ: Mooring, covering mooring equipment condition, line management, and MEG4 alignment.
VIQ Chapter 9 Mooring X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA: The chapter covering MEG4 compliance and mooring system management.
VIQ7 A7. Compliance, certification and enforcement: Vessel Inspection Questionnaire 7 under SIRE, replaced by SIRE 2.0 question set in 2024.
Virgin Voyages X24. Cruise, Passenger Ship and Ferry Operations: Adult-only cruise brand of Virgin Group launched 2021 with Scarlet Lady.
Virginia class X11. Naval Vessels, Warship Systems and Naval Architecture: USN SSN-774 nuclear attack submarine, Blocks I through V in service or construction.
Virginia Payload Module (VPM) X91. Submarines and Submarine Cable Systems: Hull plug fitted to Block V Virginia-class submarines providing additional Tomahawk capacity.
Virginia Pilots X32. Marine Pilotage and Pilot Operations: Virginia State Pilots' Association covering Chesapeake Bay approaches and Hampton Roads.
Virtual AIS Aids to Navigation X148. Maritime Cybersecurity, IACS Cyber Rules, and Incidents: AtoN broadcast by shore stations rather than physically present, a category exploitable for spoofing.
Virtual AIS AtoN X23. AIS, GMDSS, IALA Buoyage and Aids to Navigation: AIS Message 21 broadcast representing an aid that does not physically exist, used to mark new wrecks or hazards.
Virtual arrival X34. Decarbonization, Alternative Fuels and Carbon Pricing: Practice in which speed is reduced based on confirmed berth availability to lower emissions.
Virtual Bridge Wing X109. Maritime Autonomous Surface Ships and MASS Code: A camera and sensor representation on a remote workstation that emulates the bridge wing view for berthing.
Virtual hearing X152. Maritime Arbitration and Dispute Resolution: Hearing conducted by video conference, now standard in maritime arbitration following 2020 protocols and reflected in SCMA Rules 2022 and SIAC Rules 2025 update drafts.
Virtual LAN X48. Maritime Cybersecurity: Logical segmentation of a switched network used in shipboard architectures.
Virtual LAN (VLAN) X139. Maritime Cybersecurity, OT Threats and Standards: Network segmentation primitive used in IEC 62443-3-2 zone implementations.
Virtual Mass Coefficient (Cm) X173. Mooring, Anchoring, OCIMF MEG4, and Equipment Numeral: PIANC 2002 WG33 factor accounting for entrained water mass in berthing energy calculations.
Virtual NOC X68. Maritime Satcom and Telecommunications: Cloud-hosted operations center used by some integrators to monitor vessel terminals.
Virtual power plant X42. Offshore Wind Installation and Cable Lay: Aggregation of distributed energy resources; included for grid context.
Virtual Private Network X48. Maritime Cybersecurity: Encrypted tunnel between two networks or between a remote user and a network.
Virtual Private Network (VPN) X139. Maritime Cybersecurity, OT Threats and Standards: Encrypted tunnel often used for vendor remote access, requiring strong authentication per IACS UR E26.
Virtual Salt Flux D1. Physical and chemical oceanography and marine meteorology: Equivalent salt flux representing freshwater input in rigid-lid models.
Virtualization X48. Maritime Cybersecurity: Use of hypervisors to run multiple guest systems on shared hardware, used on some modern ship bridges.
Virus (marine) X10. Marine Biology, Fisheries and Oceanography: Most abundant biological entities in the ocean, important in microbial loop turnover.
Vis-A-Pix X169. Container Terminal Cranes, Yard Equipment, and Lashing: Container OCR system supplier providing gate and crane-mounted recognition for terminals.
Visa Coordination X86. Port Agency, Husbandry and Disbursement: Coordination of crew visas with consulates and immigration.
Visa-Free Shore Leave X154. Maritime Welfare, Seafarer Charities, and MLC Rights: Concept supported by missions and unions to streamline shore leave; partial implementations exist at major US, UK, and EU ports.
Visa, seafarer X21. STCW Certificates, Crewing and Seafarer Welfare: Transit or C-1/D visa for crew travel, separate from STCW certification.
Visakhapatnam X116. Global Bunker Anchorages, Hubs and Supply Infrastructure: Indian east coast bunker call attended by IOCL and HPCL.
Visakhapatnam Pilots X159. Marine Pilotage, Pilot Districts, and Pilots' Associations: Pilotage cadre of the Visakhapatnam Port Authority handling tankers and bulk carriers at India's deepest east-coast port.
Visakhapatnam Steel Plant X92. Marine Steel Suppliers and Shipbuilding Plate: RINL integrated steelworks at Vizag in Andhra Pradesh, India.
Visatron X174. Marine Engine Maintenance, Overhaul, and Condition Monitoring: Schaller Automation oil mist detector brand widely fitted to two-stroke and large four-stroke marine engines.
Visby class X11. Naval Vessels, Warship Systems and Naval Architecture: Swedish Navy stealth corvette with carbon-fiber composite hull.
Visby Maritime Cluster F3. Seafaring Life, Education, Professions and Institutions: Swedish island maritime hub.
Visby Protocol 1968 X51. Maritime Arbitration, Law and BIMCO Clauses: The protocol amending the Hague Rules to produce the Hague-Visby Rules.
Viscoelastic Oil X126. Marine Oil Spill Response and OPRC Regimes: Highly weathered crude or HFO whose rheology resists pumping and dispersion.
Viscometer X19. Engine Room Watchkeeping and UMS Operations: Online viscosity controller adjusting fuel heater to maintain injection viscosity, brand examples Vaf Viscosense.
Viscosity X1. Cargo Science, Commodities and Cargo Care: Resistance to flow; cargo pumpability parameter.
Viscosity at 100 C X47. Marine Fuel Quality and ISO 8217: Property reported for very heavy residues alongside the 50 C value.
Viscosity at 40 C X2. Marine Bunker Fuels, Lubricants and Bunkering Operations: Reference viscosity for distillate marine fuels.
Viscosity at 40 degrees C X149. Marine Fuels, Bunkering, and Alternative Fuels: The reporting temperature for distillate marine fuel kinematic viscosity in ISO 8217.
Viscosity at 50 C X2. Marine Bunker Fuels, Lubricants and Bunkering Operations: Reference viscosity for residual marine fuels.
Viscosity at 50 degrees C X149. Marine Fuels, Bunkering, and Alternative Fuels: The reporting temperature for residual marine fuel kinematic viscosity in ISO 8217.
Viscosity blending index X47. Marine Fuel Quality and ISO 8217: Logarithmic transformation enabling linear blending calculations for kinematic viscosity.
Viscosity cup X45. Marine Paints, Coatings and Antifouling: Flow cup used in the field to verify thinned coating viscosity.
Viscosity grade X61. Marine Lubricants and Cylinder Oils: Designation of lubricant viscosity range per ISO VG or SAE J300.
Viscosity index X47. Marine Fuel Quality and ISO 8217: Measure of viscosity change with temperature, more relevant to lubricants than fuels.
Viscosity index (VI) X2. Marine Bunker Fuels, Lubricants and Bunkering Operations: Measure of viscosity change with temperature, important for lube oils.
Viscotherm X47. Marine Fuel Quality and ISO 8217: Trade designation for a class of in-line marine viscometers and viscosity control fuel heaters.
Viscous resistance X162. Naval Architecture, Stability, Resistance, and Structural Design: Sum of frictional and viscous-pressure resistance components, dominant at high Reynolds and low Froude numbers.
Viscous Substance Exemption X172. IMDG Code: Classes, Divisions, Segregation, and Key UN Numbers: An exemption in 2.3.2.5 from Class 3 for certain viscous liquids meeting solvent separation and flashpoint criteria.
Viscous Wake Fraction X54. Naval Architecture Software and IACS Rules: Effective inflow reduction at the propeller plane used in powering prediction.
Vishal (INS) X106. Naval Surface Combatants: Planned Indian Navy aircraft carrier IAC-2 of about 65,000 tons.
Vishay Measurements Group X96. Hull Integrity Monitoring and Strain Gauges: Historical name associated with the Vishay strain gauge and instrumentation business.
Vishay Micro-Measurements X96. Hull Integrity Monitoring and Strain Gauges: American strain gauge and bonding accessories manufacturer within the Vishay Precision Group.
Visibility X16. Nautical Science, Navigation and COLREGs: Greatest distance at which an object can be seen.
Visibility (meteorological) B3. Nautical Science: Maximum horizontal distance objects can be seen.
Visibility (Polar Code) X27. Polar Code, Ice Navigation and Polar Operations: Bridge design must provide adequate visibility considering icing and lighting conditions.
Visibility line X76. Stevedoring, Lashing and Cargo Securing: Required forward sight line from the bridge over the stowed containers, a stack height constraint.
Visible Plume X69. EGCS Scrubbers, SCR and Marine Air Emissions: Wet plume sometimes seen from wet scrubber outlets, primarily condensed water vapor.
Vision Class X164. Cruise Industry, Brands, Ship Classes, and Terminals: A Royal Caribbean class of six ships including Vision, Legend, Splendour, Enchantment, Grandeur, and Rhapsody of the Seas.
Vision of the Seas X64. Cruise Industry Operators, Brands and Ships: Royal Caribbean Vision-class ship delivered in 1998.
VisionMaster FT X89. ECDIS and Bridge Equipment Makers: Sperry Marine integrated bridge platform combining ECDIS, radar, and conning multi function displays.
Visit Permit for Family X86. Port Agency, Husbandry and Disbursement: Permit allowing family members to visit crew on board.
Visit, Board, Search and Seizure (VBSS) E2. Naval, defence and maritime law enforcement: Naval boarding tactic.
Visitor Health Screening X41. Cruise Ship Public Health and VSP/USPH: Pre-boarding questionnaire applied to non-passenger visitors during outbreaks to limit introduction.
Vismara Marine X156. Superyacht Industry, Builders, and Yacht Charter Market: Italian designer and builder at Viareggio producing custom carbon sailing yachts.
Vista Class X164. Cruise Industry, Brands, Ship Classes, and Terminals: A Carnival Cruise Line class of three ships including Carnival Vista, Carnival Horizon, and Carnival Panorama.
Visual acuity test X36. Shipboard Medical, Telemedicine and Seafarer Health: Snellen chart and color vision testing at PEME.
Visual alarm X19. Engine Room Watchkeeping and UMS Operations: Lamp indication accompanying audible alarm on ECR mimic.