Glossary

Maritime glossary, terms beginning with Q

All maritime glossary terms that begin with the letter Q, drawn from every subject section. 442 entries.

Showing 250 of 442 terms (page 1 of 2).

Q (Quick Flashing) X23. AIS, GMDSS, IALA Buoyage and Aids to Navigation: Light character at 50 to 79 flashes per minute, typically used on cardinal marks.
Q Flag F4. Recreational Boating, Yachting and Sport: Yellow signal flag flown on arrival to request pratique, also used by yachts entering foreign ports.
Q Value X172. IMDG Code: Classes, Divisions, Segregation, and Key UN Numbers: A summation calculation in 2.7.2.4.1.2 for Class 7 packages containing mixed radionuclides.
Q-band X68. Maritime Satcom and Telecommunications: Satellite frequency range above Ka-band, used for some feeder links and considered for future services.
Q-criterion (CFD) B1. Naval Architecture: Vortex identification method.
Q-Flex X20. LNG Operations and Custody Transfer: 210,000 to 217,000 m3 LNG carriers, 14 in fleet built for Qatargas, propelled by twin slow-speed engines with onboard reliquefaction.
Q-Flex LNG carrier B5. Ship Types and Individual Vessels: 210,000 m3 Qatari LNG carrier.
Q-Max X20. LNG Operations and Custody Transfer: 263,000 to 266,000 m3 LNG carriers, 14 in fleet for Qatargas, dual reliquefaction trains; world's largest LNGCs.
Q-Max LNG carrier B5. Ship Types and Individual Vessels: 266,000 m3 LNG carrier (Mozah class).
Q-route X77. Naval Mine Warfare and Mine Countermeasures: A surveyed and periodically reswept shipping lane established to provide assured passage through potentially mined waters.
Q-Ship E1. Maritime security, geopolitics and risk: Historic decoy armed merchantman; archaic but cited in doctrine.
Q-ship Heritage F2. Maritime Culture, Heritage, Archaeology, Art and Museums: Imperial War Museum interpretation of decoy vessels.
Q(3) X23. AIS, GMDSS, IALA Buoyage and Aids to Navigation: Cardinal East character: three quick flashes every 5 or 10 seconds.
Q(6)+LFl X23. AIS, GMDSS, IALA Buoyage and Aids to Navigation: Cardinal South character: six quick flashes followed by a long flash, repeated every 10 or 15 seconds.
Q(9) X23. AIS, GMDSS, IALA Buoyage and Aids to Navigation: Cardinal West character: nine quick flashes every 10 or 15 seconds.
Q&T X92. Marine Steel Suppliers and Shipbuilding Plate: Quenched and Tempered heat treatment used to achieve yield strengths of 460 MPa and above in heavy plate.
Q1 D2. Hydrography, tides, waves, bathymetry and marine geology: Lunar elliptic diurnal tidal constituent with period 26.87 hours.
Q1 FFA X44. Shipping Indices, FFAs and Freight Markets: First quarter Forward Freight Agreement covering January, February, and March settlement averages for a given route.
Q13a-A platform X57. Ocean Energy Beyond Wind: Neptune Energy operated platform in the Dutch North Sea that hosts the PosHYdon green hydrogen pilot.
Q2 FFA X44. Shipping Indices, FFAs and Freight Markets: Second quarter Forward Freight Agreement covering April, May, and June settlement averages.
Q3 FFA X44. Shipping Indices, FFAs and Freight Markets: Third quarter Forward Freight Agreement covering July, August, and September settlement averages.
Q4 X125. Superyacht Industry, Builders and Brokers: Boat International segment ranking of yachts in the top quartile of new builds.
Q4 FFA X44. Shipping Indices, FFAs and Freight Markets: Fourth quarter Forward Freight Agreement covering October, November, and December settlement averages.
Q4 FFA Strip X161. Shipbroking, Freight Derivatives, and Baltic Indices: Forward freight agreement covering October, November, and December of a year, commonly traded in dry and wet markets.
Q4000 X14. Offshore Oil and Gas Marine Operations: Helix multi-service vessel used at Macondo.
Q5000 X82. Saturation Diving and Offshore Diving Operations: Helix Energy Solutions deepwater intervention vessel.
Q7000 X82. Saturation Diving and Offshore Diving Operations: Helix Energy Solutions semi-submersible intervention vessel.
Q8 Mahler X61. Marine Lubricants and Cylinder Oils: Q8Oils cylinder oil line for two-stroke crosshead engines.
Q8 Mozart X61. Marine Lubricants and Cylinder Oils: Q8Oils trunk piston engine oil line for medium-speed engines.
Q88 X40. Tanker Vetting, SIRE and VIQ: The standard vessel particulars questionnaire format used industry-wide for tanker chartering and vetting.
Q88 Bunker X116. Global Bunker Anchorages, Hubs and Supply Infrastructure: Standardized bunker tanker particulars questionnaire used in vetting.
Q88 Compliance X101. Vessel Brokerage Software and Chartering Platforms: Q88 module supporting vetting, inspections, and incident tracking for tanker operators.
Q88 Connector X101. Vessel Brokerage Software and Chartering Platforms: Vessel data API offered by Q88 enabling integration of tanker particulars and questionnaires into customer systems.
Q88 LNG X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA: The Q88 platform's LNG-specific questionnaire variant used by LNG charterers and terminals.
Q88 LPG X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA: The Q88 platform's LPG-specific questionnaire variant used by LPG charterers and terminals.
Q88 Maritime X78. Voyage Optimization and Vessel Performance Software: A software vendor offering vessel management and chartering solutions building on the Q88 vessel questionnaire platform.
Q88 Marketplace X101. Vessel Brokerage Software and Chartering Platforms: Q88 fixtures and market data product aggregating tanker fixture reports.
Q88 PCM (Position Cargo Management) X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA: A Q88 module supporting voyage and cargo data exchange beyond particulars.
Q88 Questionnaire X101. Vessel Brokerage Software and Chartering Platforms: Industry-standard tanker vessel particulars questionnaire originating in the late 1990s and named after its 88 data sections.
Q88 Vessel Management X78. Voyage Optimization and Vessel Performance Software: A vessel management software product within the Q88 portfolio covering operations, compliance, and reporting needs.
Q88 Voyager X101. Vessel Brokerage Software and Chartering Platforms: Voyage management product offered by Q88 covering tanker chartering, operations, and post-fixture workflows.
Q88 VPQ X40. Tanker Vetting, SIRE and VIQ: The Q88 Vessel Particulars Questionnaire, the canonical electronic record of a vessel's commercial and technical particulars.
Q88 VPQ (Vessel Particulars Questionnaire) X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA: The Q88 platform's standardized particulars form, harmonized with the OCIMF HVPQ.
Q88.com X40. Tanker Vetting, SIRE and VIQ: The commercial platform operated by Q88 LLC that hosts vessel particulars and integrates with charterer workflows.
Q88VPQ X71. Shipbrokers and Brokerage Firms: Vessel Particulars Questionnaire developed within the Q88 ecosystem.
Q8Oils X61. Marine Lubricants and Cylinder Oils: Marine and industrial lubricants brand of Kuwait Petroleum International serving global shipping.
QAQC of Oil Samples X126. Marine Oil Spill Response and OPRC Regimes: Quality assurance and quality control protocols under CEN 15522-2 and MEPC.295(71).
Qarto X129. Hydrographic Offices, Survey Vessels and Marine Cartography: QPS application for compiling S-57 and S-101 ENC cells from validated hydrographic data.
Qastor X159. Marine Pilotage, Pilot Districts, and Pilots' Associations: PPU and decision-support software developed by Qastor (now part of OneOcean and AD Navigation distribution channels) used by harbor pilots.
Qatar Bunkering X116. Global Bunker Anchorages, Hubs and Supply Infrastructure: QatarEnergy Marketing handles bunker requirements at Ras Laffan and Mesaieed.
Qatar Energy LNG Fleet X110. LNG Bunkering Infrastructure and Vessels: LNG carrier fleet of Q-Flex and Q-Max vessels under long-term charter to support Qatari LNG exports.
Qatar Energy Marine X72. Bunkering Hubs and Bunker Suppliers: Bunker arm of Qatar Energy supplying bunkers at Ras Laffan, Mesaieed, and Doha.
Qatar Gas Pipeline X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines: Submarine pipeline carrying processed gas from offshore Qatar to UAE under the Dolphin Energy project.
Qatar International Sailing Federation F4. Recreational Boating, Yachting and Sport: National authority.
Qatar Marine X145. P&I Clubs, War Risk Insurers, and Marine Insurance Markets: Qatar Insurance Group marine line.
Qatar Maritime Academy X55. Marine Simulators, Training and Maritime Academies: Maritime training institute in Doha delivering STCW courses for Gulf-region operators.
Qatar Maritime Conference X119. Maritime Conferences, Trade Shows and Awards: Annual Doha event sponsored by Milaha and the Ministry of Transport.
Qatar PSC X66. Port State Control and Regional MOUs: Riyadh MOU member State.
Qatar QTerminals X138. Global Container Terminal Operators and Port Equipment: Joint venture of Mwani Qatar 51 percent and Milaha 49 percent operating Hamad Port.
Qatar Ship Registry X98. Ship Registries and Flag States: National registry administered by the Qatari Ministry of Transport.
Qatar Towing Co X141. Marine Salvage Industry and Wreck Removal Contractors: Persian Gulf operator, occasional partner on regional salvage tasks.
QatarEnergy Ammonia Plant X140. Ammonia as Marine Fuel and Hydrogen Shipping: Doha plan for 1.2 Mtpa blue ammonia at Mesaieed by 2026.
QatarEnergy LNG X56. LNG/LPG Carriers and IGC Code: Successor to Qatargas and RasGas, the integrated Qatari LNG producer.
QatarEnergy LNG NFE X134. LNG and LPG Carrier Operators and Containment Systems: North Field Expansion program adding 32 mtpa via Ras Laffan trains 7 to 10 by 2027.
Qatargas X56. LNG/LPG Carriers and IGC Code: Qatari state-owned LNG marketing entity, now part of QatarEnergy LNG.
Qatari LNG X124. Dredging Industry and Reclamation Contractors: Ras Laffan port deepening by Van Oord and Jan De Nul.
QBE X117. Marine Insurance Markets, Captives and Reinsurance: Australian global insurer with Lloyd's Syndicate 386 writing marine cargo, hull and energy.
QBE Marine X145. P&I Clubs, War Risk Insurers, and Marine Insurance Markets: QBE European Operations marine line, formerly British Marine.
QBO D1. Physical and chemical oceanography and marine meteorology: Quasi-Biennial Oscillation in tropical stratospheric winds.
Qbot / Qakbot X148. Maritime Cybersecurity, IACS Cyber Rules, and Incidents: A commodity banking trojan and loader used in 2020-2023 intrusion sets including some maritime sector victims.
QC (Quick-Reaction Cell) E2. Naval, defence and maritime law enforcement: Naval rapid-response watchfloor element.
QC sample X26. Reefer Containers and Cold Chain Logistics: Cargo subset removed at gate or load for quality inspection.
QC, Hydrographic X129. Hydrographic Offices, Survey Vessels and Marine Cartography: Quality control procedures applied to soundings, side-scan imagery, and metadata before submission to a hydrographic office.
QC, Quality Control F5. The Reference Layer: Glossary, Units, Signals and Information Sources: ISM-related shipboard quality control.
QCDC (Quick Connect/Disconnect Coupling) X20. LNG Operations and Custody Transfer: ISO 21593 type powered coupling used in LNG bunkering.
QCPS X159. Marine Pilotage, Pilot Districts, and Pilots' Associations: Queensland Coastal Pilot Service, one of the licensed providers for Great Barrier Reef and Torres Strait pilotage.
QFE X16. Nautical Science, Navigation and COLREGs: Atmospheric pressure at field elevation (aviation).
QFF X16. Nautical Science, Navigation and COLREGs: Sea-level pressure used in synoptic meteorology.
QGIS X129. Hydrographic Offices, Survey Vessels and Marine Cartography: Open-source GIS used for visualization of hydrographic data, supported by plugins such as the Qgis BAG reader.
QH-RTKM X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS: Generic term for RTK GNSS receivers used in survey and dredging applications adjacent to bridge GNSS systems.
QHSE Audit X141. Marine Salvage Industry and Wreck Removal Contractors: Quality, Health, Safety and Environment audit conducted before mobilising salvors.
Qhse Document F5. The Reference Layer: Glossary, Units, Signals and Information Sources: Quality, Health, Safety, Environment shipboard documentation.
QHSE Manager F3. Seafaring Life, Education, Professions and Institutions: Shipping company role in quality, health, safety, environment.
Qidong Plant X83. ISO Container Manufacturing and Leasing: Singamas container manufacturing site at Qidong near Shanghai.
Qimera X129. Hydrographic Offices, Survey Vessels and Marine Cartography: QPS post-processing application focused on multibeam cleaning and surface generation.
QinetiQ X133. Polar Research Vessels and Polar Code Regimes: UK defence-science company holding BAS instrumentation contracts.
Qinetiq Maritime X74. AIS Data, Vessel Tracking and Maritime Intelligence: UK defense firm offering RF surveillance products that can correlate with AIS feeds.
QinetiQ Maritime Underwater Defence Conference X119. Maritime Conferences, Trade Shows and Awards: Annual UK naval technology event.
Qing Maritime Bans F1. Maritime History: Haijin policies restricting Chinese seagoing trade.
Qingdao X124. Dredging Industry and Reclamation Contractors: CCCC home port expansion.
Qingdao Bunker Service X72. Bunkering Hubs and Bunker Suppliers: Bunker supply at the Port of Qingdao by Sinopec Marine, Chimbusco, and CNOOC Bunker.
Qingdao Discharge X44. Shipping Indices, FFAs and Freight Markets: Reference discharge port central to Capesize C3 and C5 iron ore route definitions.
Qingdao Plant X83. ISO Container Manufacturing and Leasing: CIMC and DFIC container manufacturing site in Qingdao, Shandong Province, also home to MCI reefer manufacturing.
Qingdao Port International X138. Global Container Terminal Operators and Port Equipment: SSE-listed parent operating Qingdao Qianwan and Dongjiakou, 28.8 million TEU handled in 2023.
Qingdao Qianwan X138. Global Container Terminal Operators and Port Equipment: Qingdao Port Group's automated facility, world's first fully automated 5G-enabled box terminal commissioned 2017.
QINSy X129. Hydrographic Offices, Survey Vessels and Marine Cartography: QPS hydrographic acquisition and online processing software used on a large fraction of commercial survey craft.
QM2 effect X125. Superyacht Industry, Builders and Brokers: Industry shorthand for the influence of cruise ship rule sets on large yacht regulation.
QMI Tugs X137. Harbour Tugs, Towage Operators and Tug Builders: Quality Marine Inc. type designation rarely used outside North America.
QNH X16. Nautical Science, Navigation and COLREGs: Altimeter setting giving elevation above MSL (aviation).
QoS (Quality of Service) X68. Maritime Satcom and Telecommunications: Traffic policy mechanisms that prioritize critical applications over satellite links.
QPL X88. Marine Surface Preparation and Coatings Application: Qualified Products List published by a procurement authority listing products that have passed performance qualification, including the US Naval Sea Systems Command QPLs for MIL-PRF specifications.
QPS (Quality Positioning Services) X129. Hydrographic Offices, Survey Vessels and Marine Cartography: Dutch software company in Zeist producing QINSy, Qimera, Qarto, and Fledermaus for hydrographic workflows.
QPS Qastor X74. AIS Data, Vessel Tracking and Maritime Intelligence: Pilotage and VTS tool that displays AIS targets over electronic charts.
QPSK X68. Maritime Satcom and Telecommunications: Quadrature Phase Shift Keying modulation widely used on satellite links.
QPSK (Quadrature Phase Shift Keying) X91. Submarines and Submarine Cable Systems: Modulation scheme used in coherent submarine cable optical transmission.
QR Code Phishing X148. Maritime Cybersecurity, IACS Cyber Rules, and Incidents: A delivery technique observed against seafarers using fake crewing portal codes.
QRadar X107. Maritime Cybersecurity and OT Security: Security information and event management platform from IBM.
QRH X169. Container Terminal Cranes, Yard Equipment, and Lashing: Quick Release Hook for shore mooring bollards, allowing remote release of a vessel line under load.
QSB (Cummins) X90. Marine Engine Specific Model Enumeration: Cummins inline six-cylinder common rail marine diesel family for small commercial and pleasure craft.
QSC (Cummins) X90. Marine Engine Specific Model Enumeration: Cummins inline six-cylinder common rail marine diesel family for commercial workboat propulsion.
QSCS X54. Naval Architecture Software and IACS Rules: Quality System Certification Scheme operated by IACS for its member societies.
QSL (Cummins) X90. Marine Engine Specific Model Enumeration: Cummins inline six-cylinder common rail marine diesel family for workboats and small commercial vessels.
QSM (Cummins) X90. Marine Engine Specific Model Enumeration: Cummins inline six-cylinder common rail marine diesel family for commercial propulsion ratings.
QSX (Cummins) X90. Marine Engine Specific Model Enumeration: Cummins inline six-cylinder common rail marine diesel family for higher horsepower commercial duty.
Quad (Quadrilateral Security Dialogue) E2. Naval, defence and maritime law enforcement: US-Japan-India-Australia consultative forum.
Quad cable X122. Submarine Cable Laying, Repair Vessels and Operators: Power cable construction with four conductors used in some niche subsea applications, distinct from fiber telecom cable.
Quad Cities X103. US Inland Waterway Towing and Barge: The Iowa-Illinois metropolitan area at and near Locks and Dam 15.
Quad Fuel X20. LNG Operations and Custody Transfer: Capability to burn HFO, MGO, BOG, and forced gas; common on TFDE installations.
Quad Hook QRH X173. Mooring, Anchoring, OCIMF MEG4, and Equipment Numeral: Quick Release Hook assembly with four hooks for very large mooring loads at deepwater berths.
Quad Joint X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines: Pipelay practice of welding four 12 m pipes into a 48 m quadruple joint to maximize lay rate on vessels such as Pioneering Spirit.
Quad packing X11. Naval Vessels, Warship Systems and Naval Architecture: Loading four ESSM in one Mk 41 cell.
Quad Rig Trawler X87. Fishing Vessels and Fisheries Management: Vessel towing four trawls simultaneously, used in some Gulf of Mexico shrimp and similar fisheries.
Quad Z-Drive Tug X137. Harbour Tugs, Towage Operators and Tug Builders: Tug with four Z-drives, very rare configuration explored in some compact designs.
Quad-Redundant Power Feed X91. Submarines and Submarine Cable Systems: Submarine cable system architecture with multiple redundant power feed paths.
Quad-tow X166. Inland Waterways, Ferries, RoRo, and Short Sea Shipping: A push-tow of four barges, common configuration on the Upper Mississippi above Lock 27.
Quad9 X25. Maritime Cybersecurity, OT and IT: Public recursive DNS service providing malware blocking.
Quadrant X3. Ship Handling, Seamanship and Deck Vocabulary: Brass arc on the rudder head to which steering chains are attached.
Quadrant cell (marine spatial) X57. Ocean Energy Beyond Wind: Sub block used in offshore licensing for CCS and hydrocarbon activities in the UK and Norwegian sectors.
Quadrant Chambers X51. Maritime Arbitration, Law and BIMCO Clauses: A leading London barristers' set with a substantial international shipping and trade practice.
Quadrant Search X80. Maritime Search and Rescue Coordination: Subdivision of a circular search area into quadrants.
Quadrant, Davis F1. Maritime History: Late sixteenth century altitude-measuring instrument.
Quadrantal correctors B3. Nautical Science: Soft-iron spheres on magnetic compass binnacle.
Quadrature Droop X67. Marine Electrical Systems and Shore Power: Reactive power droop characteristic on the AVR enabling stable reactive load sharing between paralleled generators.
Quadrilateral Shell Element X54. Naval Architecture Software and IACS Rules: Standard plate element type used in MAESTRO, Ansys, Abaqus, and Sesam GeniE for hull FEM.
Quadripod X42. Offshore Wind Installation and Cable Lay: Reference foundation concept; not in commercial offshore wind use, listed for completeness.
Quadruple Activity Drillship X153. Offshore Drilling Rigs, FPSOs, and Offshore Vessels: Conceptual ultra-high-spec drillship arrangement extending the dual activity concept.
Quadruple-Screw Towboat X103. US Inland Waterway Towing and Barge: A pushboat with four propellers, typically a large line-haul boat exceeding 10,000 horsepower.
Quagga mussel (Dreissena rostriformis bugensis) X18. Ballast Water, Biofouling and Antifouling: Freshwater invasive bivalve related to zebra mussel.
Quahog X10. Marine Biology, Fisheries and Oceanography: Hard clam *Mercenaria mercenaria* of the U.S. east coast.
Qualifications and Credit Framework, MNTB F3. Seafaring Life, Education, Professions and Institutions: UK Merchant Navy Training Board framework.
Qualified Coating Inspector X142. Classification Societies and Class Notations: NACE Level II or FROSIO Level III certified individual required under PSPC.
Qualified flag X7. Flag State, Port State Control and Detention Vocabulary: A flag State recognized by the regional MOU as having an audited and compliant administration.
Qualified Inspector X75. IMDG Code, Classes, Packing and Segregation: Person authorized to perform periodic inspection of pressure receptacles per IMDG 6.2.
Qualified Institutional Buyer X49. Ship Finance, Leasing and Maritime Capital Markets: Investor category eligible under Rule 144A for restricted US bond purchases.
Qualified Member of the Engineering Department (QMED) F3. Seafaring Life, Education, Professions and Institutions: US Coast Guard engine rating endorsement.
Qualified Recycling Facility X28. Ship Recycling and End-of-Life: Yard authorized by competent authority under HKC and approved on the European List for EU vessels.
Qualified Simulator Instructor X144. Bridge Simulators, Engine Room Simulators, and Maritime Training Equipment: STCW A-I/12 paragraph 5 qualification requirement.
Qualified Surveyor Booking X86. Port Agency, Husbandry and Disbursement: Booking of properly qualified surveyors for specific cargoes or events.
Qualified Yacht Captain (QYC) X156. Superyacht Industry, Builders, and Yacht Charter Market: Industry term for a captain holding the MCA Master Yacht qualification at the appropriate tonnage and trade for the vessel commanded.
Qualifying Sea Service X160. Maritime Academies, Universities, and STCW Certification: Documented sea time required for issuance or revalidation of STCW certificates of competency, recorded in seafarer discharge books and sea service testimonials.
Qualifying test X165. Marine Coatings, Antifouling, and Hull Husbandry: PSPC Annex 1 type-approval procedure subjecting a candidate coating to seawater immersion and condensation in cyclic temperature regimes.
Quality Acceptance Standard (Yard) B4. Shipbuilding, Materials, Sea Trials, Retrofits and Recycling: IACS Rec. 47-based standard.
Quality Assurance Audit X54. Naval Architecture Software and IACS Rules: IACS Quality System Certification Scheme audit of member societies.
Quality Assurance Audit (TMSA) X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA: The external or internal audit verifying TMSA self-assessment accuracy.
Quality Assurance for Cable Termination (QACT) X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines: Industry process verifying field-jointed terminations on submarine power cables.
Quality assurance plan X45. Marine Paints, Coatings and Antifouling: Document defining inspection, documentation, and acceptance criteria for coating work.
Quality Assurance Program X75. IMDG Code, Classes, Packing and Segregation: System maintained by packaging manufacturers under IMDG 6.1.1.4 to ensure consistent test compliance.
Quality Certificate X115. Marine Bunker and Cargo Surveying: Laboratory certificate accompanying bunker delivery summarizing test results against ISO 8217 or contract specification.
Quality Certificate (Chandler) X120. Marine Catering, Provisions and Ship Chandlers: Self-issued statement of compliance with order specification, increasingly backed by third-party audit.
Quality Certificate Verification X5. Marine Surveying and Inspection: Cross check of laboratory certificate against ship and shore samples.
Quality circle C2. Ship operations, crewing and technical management: Crew team for continuous improvement.
Quality claim X2. Marine Bunker Fuels, Lubricants and Bunkering Operations: Commercial dispute alleging the fuel does not meet contractual or ISO 8217 limits.
Quality control plan X58. Shipbuilding Yards and Construction: Yard plan specifying inspection points and acceptance criteria during construction.
Quality control sample X47. Marine Fuel Quality and ISO 8217: Reference fuel of known composition run alongside customer samples in a bunker laboratory to verify analytical performance.
Quality Crewing Standard (MLC Regulation 1.4) X102. Seafarer Welfare and Maritime Charities: MLC 2006 standard for recruitment and placement services, including grievance handling for seafarers.
Quality Dispute X115. Marine Bunker and Cargo Surveying: Commercial dispute over alleged off-specification fuel or cargo, investigated through cross-laboratory testing and forensic surveys.
Quality Inspection X5. Marine Surveying and Inspection: Sampling and laboratory analysis of liquid or bulk cargo.
Quality Management System X7. Flag State, Port State Control and Detention Vocabulary: QMS for ROs and flag administrations under the RO Code and III Code.
Quality Management System (QMS) A7. Compliance, certification and enforcement: Required of ROs under the RO Code, MSC.349(92) and MEPC.237(65).
Quality Management System (QMS) for Recycling X118. Ship Recycling Yards, Beaches and Regulation: Many HKC-compliant yards implement ISO 9001 alongside the SRFP, audited at SoC renewal.
Quality Management System Compliance X86. Port Agency, Husbandry and Disbursement: Compliance with quality management standards such as ISO 9001.
Quality manual C2. Ship operations, crewing and technical management: Document under ISO 9001 part of integrated SMS.
Quality of Bathymetric Data X73. Marine Hydrography, Charting and ENC: ENC meta object M_QUAL conveying CATZOC values per coverage area.
Quality of Bathymetric Data (QoBD) X129. Hydrographic Offices, Survey Vessels and Marine Cartography: Metadata in S-101 conveying source survey accuracy, replacing the older Zones of Confidence concept.
Quality of Data X73. Marine Hydrography, Charting and ENC: The general S-57 concept covering source, accuracy, and survey age metadata.
Quality of evidence X12. Maritime Casualties and Investigation: Investigator's assessment of reliability and weight of each evidence element.
Quality of ice information (PWOM) X27. Polar Code, Ice Navigation and Polar Operations: Master is required to assess quality and timeliness of ice charts used.
Quality of Life at Sea Survey X154. Maritime Welfare, Seafarer Charities, and MLC Rights: Multi-charity initiative tracking welfare indicators across global crew.
Quality of Position X73. Marine Hydrography, Charting and ENC: The S-57 attribute QUAPOS describing the certainty of a feature's position.
Quality of Service (QoS) (Satcom) E3. Technology, digitalization and smart shipping: Service-level guarantees for ship comms.
Quality Plan, Yard IHM Validation X50. Ship Recycling, Demolition and Hong Kong Convention: The yard procedure for verifying the IHM against actual material findings during dismantling.
Quality Shipping Award X146. Port State Control Regimes, MoUs, and Inspection Systems: The Paris MoU's recognition for shipowners and managers with consistent White List performance.
Quality Standard for Marine Fuel D6. Decarbonization, emissions and alternative fuels: ISO 8217 quality grades.
Quality standards X21. STCW Certificates, Crewing and Seafarer Welfare: STCW Regulation I/8 requirement for monitoring of training, assessment, and certification activities.
Quality Survey X43. Marine Surveying and Warranty Surveying: An inspection focused on the chemical or physical quality of cargo, often by sampling and laboratory testing.
Quality system audit X7. Flag State, Port State Control and Detention Vocabulary: External audit of ROs and ISM companies under SOLAS and ISM Code.
Quality System Certification Scheme X142. Classification Societies and Class Notations: QSCS, IACS internal audit programme.
Quality System Certification Scheme (QSCS) X8. IACS, Class Rules and Class Notations: IACS scheme for accreditation of member quality management systems.
Quality System Requirements X158. IMO Conventions, Protocols, Codes, and Resolutions: Provisions under STCW Article IX requiring administrations to apply quality standards to training, assessment, certification, and endorsement.
QualShip 21 X66. Port State Control and Regional MOUs: USCG quality program recognizing foreign-flag vessels with consistent superior safety performance.
Qualys VMDR X107. Maritime Cybersecurity and OT Security: Vulnerability management, detection, and response platform from Qualys.
Quantification Addendum (IMGS) X36. Shipboard Medical, Telemedicine and Seafarer Health: WHO 2010 publication specifying medicine and equipment quantities per ship category.
Quantitative determination X47. Marine Fuel Quality and ISO 8217: Numerical analytical result distinguished from qualitative observations such as spot test ratings.
Quantitative Risk Assessment (QRA) D6. Decarbonization, emissions and alternative fuels: Risk assessment used for new-fuel safety cases.
Quantity Certificate X155. Marine Surveying Practice and Cargo Inspection: A document issued by the surveyor stating the measured quantity loaded or discharged, including the basis of measurement.
Quantity claim X2. Marine Bunker Fuels, Lubricants and Bunkering Operations: Dispute over delivered mass or volume, often resolved by surveyor measurements.
Quantity dispute X149. Marine Fuels, Bunkering, and Alternative Fuels: A bunker dispute focused on delivered mass rather than quality, generally addressed via Coriolis records and bunker quantity surveys.
Quantity Disputes Singapore X72. Bunkering Hubs and Bunker Suppliers: Dispute resolution under MPA framework relying on certified mass flow meter records and bunker survey reports.
Quantity Limit per Inner Packaging X75. IMDG Code, Classes, Packing and Segregation: Column 7a value in the Dangerous Goods List for LQ.
Quantity Limit per Outer Packaging X75. IMDG Code, Classes, Packing and Segregation: Maximum outer packaging mass for LQ shipments, often 30 kg.
Quantity Limitations X172. IMDG Code: Classes, Divisions, Segregation, and Key UN Numbers: Limits per package for passenger versus cargo aircraft mirrored in IMDG for limited quantity and excepted quantity thresholds.
Quantity per Package Limit (LQ) X172. IMDG Code: Classes, Divisions, Segregation, and Key UN Numbers: The maximum inner packaging quantity per 3.4.6 for limited quantity transport.
Quantity Reconciliation X115. Marine Bunker and Cargo Surveying: Comparison of barge, vessel, and surveyor figures to derive an agreed delivered quantity and quantify any difference.
Quantity Statement X115. Marine Bunker and Cargo Surveying: Document recording opening, closing, and delivered quantities for a bunker or cargo operation, jointly signed.
Quantity Survey X43. Marine Surveying and Warranty Surveying: A measurement-focused attendance to determine cargo quantities for custody transfer, bill of lading, or claim purposes.
Quantity Tolerance (MOLOO / MOLCO) X17. Chartering, Shipbroking and Freight Trading: More or less in owner's or charterer's option, defining cargo quantity flexibility.
Quantum X53. Marine Insurance, P&I and Hull Clauses: The amount of a claim, distinguished from issues of liability.
Quantum (Salvage Award) X99. Marine Salvage Awards and SCOPIC: Monetary amount of the salvage award, fixed by application of Article 13 criteria.
Quantum Blue X125. Superyacht Industry, Builders and Brokers: 104 m Lurssen delivered 2014, designed by Tim Heywood.
Quantum Cable Project X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines: Generic placeholder name occasionally used in cable industry presentations.
Quantum class X24. Cruise, Passenger Ship and Ferry Operations: Royal Caribbean class introduced 2014, around 168,666 GT.
Quantum Computing Services Ban X151. Maritime Sanctions, Dark Fleet, and Price Cap Regimes: A specific category covered by EO 14071 prohibiting U.S. provision of quantum services to Russia.
Quantum Hearing X51. Maritime Arbitration, Law and BIMCO Clauses: A hearing or phase of the reference devoted to the assessment of damages following a liability determination.
Quantum Key Distribution (QKD) X139. Maritime Cybersecurity, OT Threats and Standards: Emerging cryptographic technique under exploration by ITU for satellite communications.
Quantum Meruit A5. Maritime Law, private and commercial: Restitutionary measure where contract fails but services rendered.
Quantum Meruit (Salvage) X143. Landmark Maritime Law Cases and Doctrines: Equitable basis for compensation in absence of agreement.
Quantum of the Seas X64. Cruise Industry Operators, Brands and Ships: First Royal Caribbean Quantum-class ship delivered in 2014.
Quantum Park X110. LNG Bunkering Infrastructure and Vessels: 1,300 m3 LNG bunker articulated tug barge built by Fincantieri Bay Shipbuilding for Crowley and entering Jacksonville service in 2021 as the first US-built LNG bunker barge.
QuantumX MX1615B X96. Hull Integrity Monitoring and Strain Gauges: Sixteen channel strain gauge amplifier module from HBM within the QuantumX system family.
Quarantinable Disease X41. Cruise Ship Public Health and VSP/USPH: Communicable disease designated by Executive Order, including cholera and severe acute respiratory syndromes.
Quarantine X48. Maritime Cybersecurity: Isolation of a suspect file, device, or network segment to prevent further harm.
Quarantine Anchorage E1. Maritime security, geopolitics and risk: Designated area for health/security-screened arrivals.
Quarantine area (port) X18. Ballast Water, Biofouling and Antifouling: Designated berth or anchorage where biosecurity inspection or treatment occurs.
Quarantine Cargo X1. Cargo Science, Commodities and Cargo Care: Cargo isolated for biosecurity inspection.
Quarantine Clause 2022 (BIMCO) X51. Maritime Arbitration, Law and BIMCO Clauses: The BIMCO clause allocating consequences of quarantine measures imposed on vessels at port.
Quarantine Clearance X86. Port Agency, Husbandry and Disbursement: Health clearance allowing the vessel to enter port from quarantine status.
Quarantine Expenses X108. Marine Insurance and P&I Clubs: Costs of port detention and disinfection imposed on shipowners, recoverable under P&I cover for fines and expenses.
Quarantine flag C2. Ship operations, crewing and technical management: Yellow Q flag indicating request for free pratique.
Quarantine flag (Q) X36. Shipboard Medical, Telemedicine and Seafarer Health: International Code of Signals yellow flag indicating vessel requesting free pratique.
Quarantine Inspection X86. Port Agency, Husbandry and Disbursement: Inspection of the vessel by quarantine officers on arrival.
Quarantine Network X25. Maritime Cybersecurity, OT and IT: Isolated segment used to contain suspect devices pending investigation.
Quarantine of Cargo Residues X118. Ship Recycling Yards, Beaches and Regulation: Pre-acceptance holding of vessels with prohibited cargo residues for cleaning before plot allocation.
Quarantine Officer X41. Cruise Ship Public Health and VSP/USPH: CDC officer authorized under 42 CFR 71 to take action regarding ill travelers aboard arriving vessels.
Quarantine Period, Final Survey X50. Ship Recycling, Demolition and Hong Kong Convention: The interval between final survey and recycling commencement, during which no operational changes to the ship are permitted.
Quarantine Pilot X159. Marine Pilotage, Pilot Districts, and Pilots' Associations: Historical role designating a pilot also authorized to enforce yellow flag observation on vessels suspected of disease.
Quarantine procedures X36. Shipboard Medical, Telemedicine and Seafarer Health: IHR 2005 measures applied at port of entry for suspected communicable disease.
Quarantine Provisions X120. Marine Catering, Provisions and Ship Chandlers: Ship's stores may be sealed by quarantine authority where pest risk or notifiable disease applies; common in Australia and New Zealand.
Quarantine waste (Polar Code) X27. Polar Code, Ice Navigation and Polar Operations: Discharge restricted in polar waters per MARPOL Annex V Polar amendments.
Quarantine Welfare X154. Maritime Welfare, Seafarer Charities, and MLC Rights: Welfare response to crews under quarantine, prominent during COVID-19 and Ebola outbreaks.
Quark Expeditions X97. Polar Expedition Cruise and IAATO Operations: Polar specialist operator founded in 1991 by Mike McDowell and Lars Wikander, part of Travelopia since 2007.
Quarry Bank Maritime Connections F2. Maritime Culture, Heritage, Archaeology, Art and Museums: National Trust mill heritage with port linkages.
Quarry Slag Substitution Records X50. Ship Recycling, Demolition and Hong Kong Convention: A representative downstream construction industry consumer of demolition steel.
Quarter X3. Ship Handling, Seamanship and Deck Vocabulary: Side of the ship abaft the beam.
Quarter Approach X22. Piracy, Maritime Security and Armed Protection: Common skiff attack vector from a vessel's port or starboard quarter exploiting blind spots.
Quarter Bridge Configuration X96. Hull Integrity Monitoring and Strain Gauges: Wheatstone bridge arrangement with one active strain gauge and three fixed resistors used in many basic strain measurements.
Quarter Contract X161. Shipbroking, Freight Derivatives, and Baltic Indices: FFA tenor covering a three-month calendar quarter, settling against the average of monthly settlement prices.
Quarter Lashing X9. Cargo Securing, Lashing and Stability Vocabulary: Lashing at a 45-degree angle to two principal axes.
Quarter Lift X60. Marine Salvage and Wreck Removal: Hoisting of a vessel at the quarters during salvage to control trim during refloating.
Quarter Tonner F4. Recreational Boating, Yachting and Sport: IOR class popular in the 1970s.
Quarter Tow X13. Marine Salvage and Wreck Removal: Towing arrangement where a salvor pulls from the casualty quarter for steering control.