Glossary

Maritime glossary, terms beginning with T (page 7)

All maritime glossary terms that begin with the letter T, drawn from every subject section. 2313 entries.

Showing 250 of 2313 terms (page 7 of 10).

Toyo Construction X175. Port Engineering, Dredging, Breakwaters, and Quays: Japanese marine and dredging contractor headquartered in Tokyo and Osaka.
Toyota Material Handling X94. Port Machinery and Quay Equipment Makers: Japanese KION-rival producing forklifts and reach trucks used in container freight stations.
TP ICAP X161. Shipbroking, Freight Derivatives, and Baltic Indices: London-listed interdealer broker formed by the 2016 merger of Tullett Prebon and ICAP, with a shipping desk active in FFAs.
TP52 X84. Yacht Racing, Regattas and Sailing Governance: The Transpac 52 grand prix one-design class.
TPA X133. Polar Research Vessels and Polar Code Regimes: Thermal Protective Aid, mandatory at one per person aboard polar lifeboats.
TPC X42. Offshore Wind Installation and Cable Lay: Reference Taiwan Power Company.
TPC-5 X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines: Trans-Pacific Cable 5, an older fiber system connecting Japan and the US West Coast, retired in 2006.
TPEO X61. Marine Lubricants and Cylinder Oils: Trunk Piston Engine Oil used in four-stroke medium and high-speed marine diesel engines.
TPEO (Trunk Piston Engine Oil) X2. Marine Bunker Fuels, Lubricants and Bunkering Operations: Lubricant for medium-speed engines combining bearing lubrication and cylinder oil duty.
TPI Composites X42. Offshore Wind Installation and Cable Lay: US blade manufacturer historically supplying onshore platforms, with limited offshore exposure.
TPL X45. Marine Paints, Coatings and Antifouling: Theoretical paint loss, used in shipyard estimation.
TPL (Total Power Loss) B3. Nautical Science: Operational concept in blackout response.
TPL drilling X57. Ocean Energy Beyond Wind: Generic reference to top-hole drilling phases used for CCS injection well construction.
TPL-B Turbocharger X174. Marine Engine Maintenance, Overhaul, and Condition Monitoring: ABB axial-flow turbocharger basic variant for medium-power two-stroke applications.
TPL-C Turbocharger X174. Marine Engine Maintenance, Overhaul, and Condition Monitoring: ABB axial-flow turbocharger compact variant for low to medium-power two-stroke engines.
TPM X114. Maritime Arbitration and Shipping Law Firms: Trans-Pacific Maritime Conference where shipping disputes are discussed.
TPM Asia Conference X119. Maritime Conferences, Trade Shows and Awards: Annual JOC Trans-Pacific Maritime conference held in Shenzhen since 2009.
TPM Long Beach X119. Maritime Conferences, Trade Shows and Awards: Annual Trans-Pacific Maritime Conference convened by JOC and S and P Global since 2001.
TPS (Total Pressure System) X20. LNG Operations and Custody Transfer: Type C tank vessel pressure control approach.
TPU (Total Propagated Uncertainty) X129. Hydrographic Offices, Survey Vessels and Marine Cartography: Combined uncertainty of a hydrographic sounding from positioning, motion, sound velocity, tide, and sonar contributions, used in CUBE and S-101 quality reporting.
TPV X124. Dredging Industry and Reclamation Contractors: Tipping vessel, alternative term for hopper barge.
TR48 X2. Marine Bunker Fuels, Lubricants and Bunkering Operations: See Singapore TR48.
Trabzon Karadeniz Technical University Surmene Maritime Faculty X121. Maritime Education, Academies and Universities: Turkish Black Sea maritime faculty.
TRAC Intermodal X83. ISO Container Manufacturing and Leasing: US chassis pool operator and intermodal chassis lessor.
Trace Heating X67. Marine Electrical Systems and Shore Power: Resistive heating cables used to keep pipes and panels above the freezing point in marine installations.
Trace Metal D3. Marine environmental science, pollution and conservation: Metal present in low concentrations, sometimes bioessential or toxic.
Trace metals X47. Marine Fuel Quality and ISO 8217: Vanadium, sodium, aluminum, silicon, iron, nickel, calcium, zinc, phosphorus, and others reported on bunker analysis certificates.
Trace Sample X5. Marine Surveying and Inspection: Small sample for tracing source of contamination.
Traceability D4. Fisheries, aquaculture, blue economy and marine resources: Ability to trace seafood through the supply chain.
Tracer Sampling X41. Cruise Ship Public Health and VSP/USPH: Strategic water sampling pattern used during investigations to localize contamination within distribution.
TraceTogether / Crew Tracing Apps X148. Maritime Cybersecurity, IACS Cyber Rules, and Incidents: Pandemic-era tools that introduced new privacy and credential risks for ships.
Track X16. Nautical Science, Navigation and COLREGs: Path actually followed over the ground.
Track and trace C3. Logistics, freight forwarding and multimodal trade: Cargo tracking through the chain.
Track Control X89. ECDIS and Bridge Equipment Makers: Autopilot function steering along a planned ECDIS route, governed by IMO Resolution MSC.74(69) Annex 2 and IEC 62065.
Track control system B3. Nautical Science: ECDIS-coupled track autopilot per MSC.74(69).
Track Discontinuity X151. Maritime Sanctions, Dark Fleet, and Price Cap Regimes: An AIS analytics term for an unexplained gap in a vessel's track, a key dark-activity indicator.
Track Initiator X109. Maritime Autonomous Surface Ships and MASS Code: A perception module function that creates a new track when a new persistent detection is observed.
Track Line Search X80. Maritime Search and Rescue Coordination: Search pattern code TS along a probable track.
Track Spacing X80. Maritime Search and Rescue Coordination: Distance between parallel tracks in a search pattern.
Track spacing (sounding survey) B3. Nautical Science: Hydrographic survey line spacing per IHO S-44.
Tracker X124. Dredging Industry and Reclamation Contractors: Dredging-software brand for CSD position monitoring.
Tracker propeller (azimuth) X38. Propellers, Stern Gear and Shaft Lines: Tractor-type propeller in front of an azimuth thruster pod (Azipull, ZF AT-series).
Tracking Filter X68. Maritime Satcom and Telecommunications: Antenna control function used to maintain satellite lock during vessel maneuvers.
Tracking System X68. Maritime Satcom and Telecommunications: Combined hardware and software that keeps a maritime antenna pointed at the satellite.
Tracking System, Polar X52. Polar Code, Arctic and Antarctic Shipping: Vessel monitoring system used by NSR Administration and NORDREG to track ships in polar waters.
Tracking, real-time X26. Reefer Containers and Cold Chain Logistics: Continuous satellite or cellular reefer telematics.
Tractebel X123. Offshore Wind Installation Vessels and Operators: Engie subsidiary engineering consultancy, owner's engineer for multiple offshore wind projects.
Tractomas TR10 X104. Project Cargo Forwarders and Heavy Transport: Nicolas Industrie super heavy hauler tractor known for its high tractive force.
Tractor propeller (azimuth) X38. Propellers, Stern Gear and Shaft Lines: Pulling-type propeller upstream of the pod body in tractor thrusters.
Tractor Tug E4. Cruise, offshore energy and auxiliary/specialised fleets: High-maneuver tug using Voith Schneider or ASD propulsion.
Trade Agreement (Chandler Fleet) X120. Marine Catering, Provisions and Ship Chandlers: Multi-port master agreement granting agreed discount off chandler price book.
Trade Body ITCO X83. ISO Container Manufacturing and Leasing: International Tank Container Organisation, the principal global trade body for tank container operators and depots.
Trade Date X44. Shipping Indices, FFAs and Freight Markets: Calendar date on which an FFA is agreed between counterparties before clearing house novation.
Trade Effluent Monitoring X50. Ship Recycling, Demolition and Hong Kong Convention: The yard wastewater monitoring program required under MEPC.211(63).
Trade lane X15. Ports, Terminals and Stevedoring: liner service route between ports.
Trade Lane Imbalance X83. ISO Container Manufacturing and Leasing: Difference in laden flows between trade lanes driving empty repositioning costs.
Trade Name X75. IMDG Code, Classes, Packing and Segregation: Commercial name for a chemical; IMDG requires proper shipping name rather than trade name on documentation.
Trade routes (polar) X27. Polar Code, Ice Navigation and Polar Operations: NSR, NWP, Trans-Polar Sea Route, and Arctic Bridge.
Trade Sanctions X114. Maritime Arbitration and Shipping Law Firms: Regulatory regimes triggering disputes on frustration, illegality, and indemnity in shipping arbitration.
Trade Union Recognition X154. Maritime Welfare, Seafarer Charities, and MLC Rights: MLC Title 3 right of seafarers to organize and bargain collectively.
Trade Union, Seafarer F3. Seafaring Life, Education, Professions and Institutions: National unions such as RMT and Nautilus International.
Trade Winds D1. Physical and chemical oceanography and marine meteorology: Persistent easterly winds in the tropics.
Trade-Based Money Laundering (TBML) E1. Maritime security, geopolitics and risk: Use of shipping invoices/B/Ls to launder value.
Tradenet Singapore X15. Ports, Terminals and Stevedoring: original Singapore single window for trade declarations.
Trader X81. Project Cargo, Heavy-Lift and Module Carriers: Boskalis semi-submersible heavy-transport vessel.
Tradesman's Charges X4. Marine Insurance, P&I and Claims: invoiced repair costs, examined by hull surveyors.
Tradewind X128. Sail Training Ships and Tall Ship Associations: Sail Training vessel name applied to several heritage ketches and schooners; the Hayling Island based Tradewind 35 yachts have been used in UK youth voyages.
TradeWinds F5. The Reference Layer: Glossary, Units, Signals and Information Sources: International shipping newspaper published by NHST since 1990.
TradeWinds Operational Excellence Forum X119. Maritime Conferences, Trade Shows and Awards: Annual NHST event held in London or Athens.
TradeWinds Ship Recycling Forum X119. Maritime Conferences, Trade Shows and Awards: Annual ship recycling event held in Dubai.
TradeWinds Shipowners Forum X119. Maritime Conferences, Trade Shows and Awards: Annual flagship NHST event held during Posidonia.
TradeWinds Tankers Forum X119. Maritime Conferences, Trade Shows and Awards: Annual tanker market forum held in Athens.
Trading Certificate Survey X43. Marine Surveying and Warranty Surveying: A class attendance preparing or renewing the trading certificate that permits a vessel to engage on assigned voyages.
Trading History X40. Tanker Vetting, SIRE and VIQ: The vessel's record of past trades, voyages, and cargoes, reflected in the Q88 and reviewed by vetting analysts.
Trading Hub X101. Vessel Brokerage Software and Chartering Platforms: Veslink Trading Hub, the Veson Nautical communication layer connecting owners, charterers, and brokers around IMOS data.
Trading Pattern Restriction X40. Tanker Vetting, SIRE and VIQ: A charterer rule limiting acceptance based on prior calls at sanctioned or high-risk ports.
Trading Warranty X4. Marine Insurance, P&I and Claims: navigation warranty restricting the vessel's trading limits and forming the basis of breach trading warranty additional premium.
Trading with the Enemy Act (TWEA) X151. Maritime Sanctions, Dark Fleet, and Price Cap Regimes: A 1917 U.S. statute that remains a legal basis for the Cuba embargo and underpins parts of OFAC's framework.
Traditional registry X7. Flag State, Port State Control and Detention Vocabulary: National flag register of a long-established maritime nation, such as Greece, Japan, Norway or the UK.
Trafalgar X39. Pre-1900 Maritime History: See Battle of Trafalgar, 1805.
Trafalgar Maritime Agency X86. Port Agency, Husbandry and Disbursement: UK-based agency brand operating at British ports.
Trafalgar, Battle of F1. Maritime History: 1805 Nelson victory off Cape Trafalgar.
Traffic Light Protocol X48. Maritime Cybersecurity: Marking scheme governing sharing of sensitive cyber information among trusted partners.
Traffic Pattern X103. US Inland Waterway Towing and Barge: An organized scheme for lockage or fleeting movements.
Traffic Pattern Recognition X109. Maritime Autonomous Surface Ships and MASS Code: The use of machine learning to characterize local traffic behavior, supporting safer MASS maneuver planning.
Traffic Separation Scheme X73. Marine Hydrography, Charting and ENC: TSS, an IMO-adopted routeing measure charted via the TSSLPT, TSSCRS, and TSEZNE object classes.
Traffic Separation Scheme (TSS) B3. Nautical Science: Routeing measure per Ships' Routeing.
Traffic Separation Scheme (TSS) Compliance X146. Port State Control Regimes, MoUs, and Inspection Systems: Not a PSC deficiency code as such but a coastal-State enforcement matter occasionally crossing into PSC follow-up.
Trafficking in Persons (TIP) E1. Maritime security, geopolitics and risk: US State annual report relevant to crewing/fishing fleets.
Trafi X133. Polar Research Vessels and Polar Code Regimes: Finnish Transport and Communications Agency, custodian of Finnish-Swedish ice class rules.
Trafigura X57. Ocean Energy Beyond Wind: Commodities trader that has invested in CO2 shipping and offshore renewable projects.
Trafigura Ammonia Tanker Pilot X140. Ammonia as Marine Fuel and Hydrogen Shipping: Trafigura, Mitsui OSK, and Yara studying ammonia-fueled MR tanker.
Trafigura Marine X116. Global Bunker Anchorages, Hubs and Supply Infrastructure: Bunker trading desk distinct from TFG Marine physical operations.
Trafigura Marine Fuels X72. Bunkering Hubs and Bunker Suppliers: Marine fuels trading franchise of Trafigura merged into TFG Marine joint venture in 2020.
Trafigura Vetting X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA: The Geneva-based trading house's marine vetting function, complementing oil major screenings.
Trail oars X3. Ship Handling, Seamanship and Deck Vocabulary: Allow oars to trail alongside.
TRAILBLAZER X148. Maritime Cybersecurity, IACS Cyber Rules, and Incidents: A code-name unrelated to maritime, included here only as an example of why fictional code-names should not be cited; refer to verified incident reports.
Trailer Combination Drawing X104. Project Cargo Forwarders and Heavy Transport: Drawing showing exact axle and module configuration for a planned heavy haul.
Trailer interchange receipt X15. Ports, Terminals and Stevedoring: TIR, gate document for chassis condition.
Trailing arm X175. Port Engineering, Dredging, Breakwaters, and Quays: TSHD suction pipe assembly that trails behind or alongside the vessel along the seabed.
Trailing Beacon X80. Maritime Search and Rescue Coordination: 406 MHz beacon deployed astern of a search asset.
Trailing pipe X124. Dredging Industry and Reclamation Contractors: TSHD outboard pipe with draghead at lower end.
Trailing speed X124. Dredging Industry and Reclamation Contractors: TSHD ground speed during dredging, typically 1-3 knots.
Trailing suction hopper X59. Offshore Wind O&M, CTVs and SOVs: Dredger type sometimes deployed for cable burial or remedial works at wind farms.
Trailing suction hopper dredger C4. Ports, terminals and coastal/marine civil engineering: TSHD, main type of maintenance dredger.
Trailing Suction Hopper Dredger (TSHD) E4. Cruise, offshore energy and auxiliary/specialised fleets: Self-propelled dredger with trailing arm.
Train length restriction X15. Ports, Terminals and Stevedoring: rail siding length limit at terminal yards.
Trainee X21. STCW Certificates, Crewing and Seafarer Welfare: Cadet or apprentice in an STCW approved program.
Training and Doctrine (Navy) E2. Naval, defence and maritime law enforcement: Service training command (e.g., USN NETC).
Training and Qualification (MLC 1.3) X154. Maritime Welfare, Seafarer Charities, and MLC Rights: Standard requiring STCW-aligned training for seafarers.
Training Record Book F3. Seafaring Life, Education, Professions and Institutions: STCW required cadet record.
Training Records, Yard Workforce X50. Ship Recycling, Demolition and Hong Kong Convention: The HKC and EU SRR mandated documentation of worker training in hazardous material handling and hot work safety.
Training Ship X21. STCW Certificates, Crewing and Seafarer Welfare: School ship used by maritime academies for sea service, accepted under STCW Section A-II/1 within limits.
Training Ship Chanakya X121. Maritime Education, Academies and Universities: See Indian Maritime University TS Chanakya.
Trajectory Optimization X109. Maritime Autonomous Surface Ships and MASS Code: The mathematical process that produces an optimal vessel trajectory subject to constraints, used in advanced MASS planners.
Tralopyril X18. Ballast Water, Biofouling and Antifouling: Antifouling booster biocide marketed as Econea by Janssen PMP.
Trammel Net X87. Fishing Vessels and Fisheries Management: Three layer gillnet with inner panel of small mesh between two outer panels of larger mesh.
Trammo Inc X140. Ammonia as Marine Fuel and Hydrogen Shipping: New York-based world's third-largest ammonia trader, founder Ronnie Chopra.
Tramp shipping C1. Commercial shipping, chartering, economics and finance: Bulk shipping operating on charter rather than schedule.
Tramping F1. Maritime History: Charter-driven non-scheduled cargo trade of the late nineteenth and twentieth centuries.
Tranche A X49. Ship Finance, Leasing and Maritime Capital Markets: Senior tranche in a structured shipping financing.
Tranche B X49. Ship Finance, Leasing and Maritime Capital Markets: Junior or mezzanine tranche in a structured shipping financing.
Tranexamic acid X36. Shipboard Medical, Telemedicine and Seafarer Health: Antifibrinolytic for major hemorrhage where stocked.
Trans 1,2 Dichloroethylene X75. IMDG Code, Classes, Packing and Segregation: UN 1150, Class 3 flammable liquid Packing Group II.
Trans Re X117. Marine Insurance Markets, Captives and Reinsurance: Transatlantic Reinsurance Company, owned by Alleghany Corporation, with a marine reinsurance book.
Trans-Adriatic Cable Power Project (TACP) X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines: Proposed HVDC link between Italy and Albania, complementing TAP.
Trans-Alaska Pipeline System (TAPS) X27. Polar Code, Ice Navigation and Polar Operations: Subject of OPA 90 Section 7301 spill response requirements out of Valdez.
Trans-Antarctic Mountains X133. Polar Research Vessels and Polar Code Regimes: Continental backbone separating East and West Antarctica.
Trans-Atlantic Tidal Wave D2. Hydrography, tides, waves, bathymetry and marine geology: Free Kelvin and Poincare waves crossing the Atlantic basin.
Trans-Boundary Stock X87. Fishing Vessels and Fisheries Management: Stock occurring in the EEZs of two or more states, managed under bilateral or coastal state arrangements.
Trans-equatorial route X16. Nautical Science, Navigation and COLREGs: Route crossing the equator.
Trans-Mediterranean Pipeline (TransMed) X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines: 2,475 km natural gas pipeline from Algeria to Italy via Tunisia, with submarine sections across the Sicilian Channel.
Trans-Pacific Express (TPE) X91. Submarines and Submarine Cable Systems: Trans-Pacific submarine cable system between China, Korea, Taiwan, Japan, and the United States.
Trans-Polar Sea Route (TSR) X27. Polar Code, Ice Navigation and Polar Operations: Future Arctic shipping route crossing the central Arctic Ocean over or near the North Pole.
Trans-Suntech Hellas X55. Marine Simulators, Training and Maritime Academies: Greek developer of bridge and engine simulators used in several European maritime academies.
Trans-Tasman X124. Dredging Industry and Reclamation Contractors: Australian-NZ dredging market.
Transas X89. ECDIS and Bridge Equipment Makers: Russian and Irish bridge equipment maker acquired by Wartsila in 2018, producing Navi-Sailor and Navi-Planner.
Transas (Wartsila Voyage) X148. Maritime Cybersecurity, IACS Cyber Rules, and Incidents: An ECDIS, VDR, and bridge equipment supplier whose user base is broad enough to make supply-chain hygiene material.
TransAs Group X144. Bridge Simulators, Engine Room Simulators, and Maritime Training Equipment: Russian simulator manufacturer acquired by Wartsila in 2018, brand retired in favour of Wartsila Voyage.
Transas Navi-Harbour X74. AIS Data, Vessel Tracking and Maritime Intelligence: VTS suite originating with Transas and now part of Wartsila Voyage.
Transas Navigator X73. Marine Hydrography, Charting and ENC: The Navi-Sailor 4000 ECDIS product line, now part of Wartsila Voyage.
Transas NS5000 X107. Maritime Cybersecurity and OT Security: Integrated navigation system originally from Transas, now part of the Wartsila portfolio.
Transas NTPRO 5000 X55. Marine Simulators, Training and Maritime Academies: Transas full mission bridge simulator series, now under Wartsila Voyage.
Transat Jacques Vabre X84. Yacht Racing, Regattas and Sailing Governance: A biennial double-handed transatlantic race from Le Havre, first run in 1993.
Transatlantic Cable Ships F1. Maritime History: Mid-nineteenth century cable layers including the Great Eastern.
Transatlantic Round X44. Shipping Indices, FFAs and Freight Markets: Round voyage delivery and redelivery in the Atlantic basin, central to C8 and S4 route definitions.
Transboundary Movement Document (Basel) X147. Ship Recycling, Hong Kong Convention, and Recycling Yards: The notification and movement document accompanying hazardous waste shipments under Basel.
Transboundary Movement Notification X50. Ship Recycling, Demolition and Hong Kong Convention: The Basel Convention pre-shipment notification for hazardous waste exports.
Transboundary Movement of Wastes X28. Ship Recycling and End-of-Life: Basel Convention regulated movement of hazardous waste across borders.
Transboundary Pollution D3. Marine environmental science, pollution and conservation: Pollution crossing national boundaries.
Transducer X16. Nautical Science, Navigation and COLREGs: Echo-sounder element converting electrical to acoustic energy.
Transducer Well X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS: Hull penetration housing speed-log and echo-sounder transducers.
Transfennica X81. Project Cargo, Heavy-Lift and Module Carriers: Spliethoff group container and ro-ro operator on Baltic and North Sea trades.
Transfer X3. Ship Handling, Seamanship and Deck Vocabulary: Lateral displacement of a ship in a turn measured from the original course line.
Transfer of class X7. Flag State, Port State Control and Detention Vocabulary: Procedure for changing classification society, governed by IACS Procedural Requirement 1A.
Transfer of Risk X29. Ship Sale and Purchase, Management Contracts and Valuation: Passage of risk to buyers at delivery moment.
Transfer Procedure X103. US Inland Waterway Towing and Barge: A USCG-required written procedure governing cargo transfer between tank barges and shore facilities or vessels.
Transfer pump X19. Engine Room Watchkeeping and UMS Operations: Pump moving liquid between tanks, often gear or screw type.
Transferable Days (Effort Management) X87. Fishing Vessels and Fisheries Management: Reassignable allocations of days at sea between vessels.
Transform Fault D2. Hydrography, tides, waves, bathymetry and marine geology: Strike-slip boundary, especially along mid-ocean ridges.
Transformer X59. Offshore Wind O&M, CTVs and SOVs: Power transformer in the turbine base or offshore substation, a recurring fault category subject to oil analysis and electrical testing.
Transformer Lift X104. Project Cargo Forwarders and Heavy Transport: Lift of a power transformer, frequently above 300 tonnes for the largest grid units.
Transformer Rectifier X67. Marine Electrical Systems and Shore Power: Combined transformer and rectifier unit supplying DC to thrusters, drives, or shore conversion equipment.
Transhipment C3. Logistics, freight forwarding and multimodal trade: Transfer of cargo between vessels.
Transhipment Bill of Lading X51. Maritime Arbitration, Law and BIMCO Clauses: A bill of lading providing for transhipment between vessels in the course of carriage.
Transient electromagnetic survey X57. Ocean Energy Beyond Wind: Geophysical method occasionally used to monitor offshore CCS storage sites.
Transient Salvor X60. Marine Salvage and Wreck Removal: Vessel of opportunity that renders salvage without prior contractual engagement.
Transient Tracer D1. Physical and chemical oceanography and marine meteorology: Anthropogenic substance such as CFC-11 used to date water masses.
Transient Vibration X54. Naval Architecture Software and IACS Rules: Time-domain dynamic analysis required by IACS UR S11A for whipping in container ships.
Transit (range) X16. Nautical Science, Navigation and COLREGs: Line through two charted objects in line, used as a position line.
Transit Ban (EU) X151. Maritime Sanctions, Dark Fleet, and Price Cap Regimes: A prohibition under successive packages on the transit through Russia of certain dual-use and advanced-technology goods, with maritime cargo screening implications.
Transit Bunker Stop X86. Port Agency, Husbandry and Disbursement: Bunker stop performed during voyage with limited time alongside.
Transit Capability X80. Maritime Search and Rescue Coordination: Time and range an SRU can transit to the search area.
Transit Clause X4. Marine Insurance, P&I and Claims: ICC clause 8 defining duration of cover from leaving warehouse at origin until delivery at destination, subject to time and event limits.
Transit Corridor (IRTC) E1. Maritime security, geopolitics and risk: Recommended Gulf of Aden patrolled route.
Transit Encryption X107. Maritime Cybersecurity and OT Security: Cryptographic protection applied to data while it moves across a network.
Transit fix B3. Nautical Science: Position from two natural ranges in line.
Transit log X7. Flag State, Port State Control and Detention Vocabulary: Document issued by certain port states authorizing passage through their waters.
Transit Loss Survey X115. Marine Bunker and Cargo Surveying: Quantification of cargo loss during voyage by reconciling load port outturn against discharge port outturn.
Transit Mode X109. Maritime Autonomous Surface Ships and MASS Code: An autonomy operating mode in which the vessel follows a planned ocean route at a defined service speed.
Transit Passage A6. Public international law of the sea: Through straits used for international navigation under UNCLOS Article 38.
Transit Plan X22. Piracy, Maritime Security and Armed Protection: Voyage specific document addressing HRA entry, hardening, watches and reporting.
Transit satellite system X16. Nautical Science, Navigation and COLREGs: Predecessor of GPS, decommissioned 1996.
Transit shed C4. Ports, terminals and coastal/marine civil engineering: Cargo storage shed at port.
Transit Survey X43. Marine Surveying and Warranty Surveying: An in-transit attendance during a voyage to monitor cargo condition, equipment performance, or seakeeping behavior.
Transit time X59. Offshore Wind O&M, CTVs and SOVs: Period required for a CTV or SOV to travel between O&M port and wind farm.
Transit Visa Coordination X86. Port Agency, Husbandry and Disbursement: Coordination of transit visas for crew passing through countries.
Transition piece X42. Offshore Wind Installation and Cable Lay: Cylindrical steel structure connecting monopile to tower, housing access platform, boat landing, J-tube, and secondary steel.
TransJamaican Pipeline X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines: Caribbean subsea pipeline studies and existing assets.
Translift X169. Container Terminal Cranes, Yard Equipment, and Lashing: Translifter cassette tractor system used in RoRo and intermodal terminals to lift cassettes onto a roll trailer.
Translifter X46. Container Terminal Operations: A wheeled trailer that lifts and transports cassettes carrying containers or other unitized cargo.
Transmanche Ferries X85. Ferries, Ro-Pax Operators and Routes: French operator running Newhaven to Dieppe under DFDS Seaways branding for Syndicat Mixte de Promotion de l'Activite Transmanche.
Transmission asset X42. Offshore Wind Installation and Cable Lay: Offshore export system in UK regulatory framework transferred to OFTOs after construction.
Transmission Type Approval X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS: Wheelmark or equivalent flag-state certification under the Marine Equipment Directive 2014/90/EU.
Transnet Port Terminals X138. Global Container Terminal Operators and Port Equipment: South African state operator running Durban DCT, Port Elizabeth NCT, Ngqura CT and Cape Town CT.
Transocean X14. Offshore Oil and Gas Marine Operations: Major offshore drilling contractor; owned Deepwater Horizon.
Transocean Enabler X153. Offshore Drilling Rigs, FPSOs, and Offshore Vessels: CAT-D harsh-environment semisubmersible operated by Transocean.
Transocean Encourage X153. Offshore Drilling Rigs, FPSOs, and Offshore Vessels: CAT-D harsh-environment semisubmersible operated by Transocean.
Transocean Endurance X153. Offshore Drilling Rigs, FPSOs, and Offshore Vessels: GVA 7500 harsh-environment semisubmersible.
Transocean Norge X153. Offshore Drilling Rigs, FPSOs, and Offshore Vessels: CAT-D harsh-environment semisubmersible operated by Transocean for Equinor in Norway.
Transocean Spitsbergen X153. Offshore Drilling Rigs, FPSOs, and Offshore Vessels: Aker H-6e harsh-environment semisubmersible operated by Transocean in Norway.
Transom B1. Naval Architecture: Flat or curved stern surface above the waterline.
Transom block X58. Shipbuilding Yards and Construction: Aftermost block at the stern including the transom plate.
Transom Lashing X9. Cargo Securing, Lashing and Stability Vocabulary: Lashing across transom of project cargo or barge.
Transpac F4. Recreational Boating, Yachting and Sport: Biennial Los Angeles to Honolulu offshore race since 1906.
Transpacific Round X44. Shipping Indices, FFAs and Freight Markets: Round voyage delivery and redelivery in the Pacific basin, central to C10 and S2 route definitions.
Transpacific Yacht Race X84. Yacht Racing, Regattas and Sailing Governance: The biennial offshore race from Los Angeles to Honolulu, first run in 1906.
Transparency Reporting, Demolition X50. Ship Recycling, Demolition and Hong Kong Convention: The voluntary publication of recycling supply chain data by shipowners under industry initiatives.
Transparency Rules (UNCITRAL 2014) X152. Maritime Arbitration and Dispute Resolution: Rules on Transparency in Treaty-based Investor-State Arbitration; not applicable to most commercial maritime arbitration.
Transpolar Sea Route X52. Polar Code, Arctic and Antarctic Shipping: Prospective shipping route crossing the central Arctic Ocean near the geographic North Pole.
Transponder X68. Maritime Satcom and Telecommunications: Satellite payload subsystem that receives, frequency-translates, amplifies, and retransmits signals.
Transport Document X75. IMDG Code, Classes, Packing and Segregation: DGD or equivalent paper or electronic document conveying IMDG information through the chain.
Transport Encryption X48. Maritime Cybersecurity: Protection of data in transit using protocols such as TLS or IPsec.
Transport Engineer X104. Project Cargo Forwarders and Heavy Transport: Engineer designing trailer combinations, routes, and bridge crossings.
Transport in Bulk Forbidden X75. IMDG Code, Classes, Packing and Segregation: Statement in some entries of the Dangerous Goods List restricting to packaged transport only.
Transport Index X75. IMDG Code, Classes, Packing and Segregation: TI, single dimensionless number assigned to Class 7 packages, overpacks and CTUs reflecting external dose rate.
Transport Index (TI) X172. IMDG Code: Classes, Divisions, Segregation, and Key UN Numbers: The number expressing the maximum radiation dose rate at 1 m from the surface of a Class 7 package, divided by 0.01 mSv/h.
Transport Malta X98. Ship Registries and Flag States: Maltese authority administering the Malta Ship Registry under its Merchant Shipping Directorate.
Transport Plan X104. Project Cargo Forwarders and Heavy Transport: Document covering route, loading, and unloading of a project unit.
Transport Safety Investigation Act 2003 (Australia) X163. Marine Accident Investigation Agencies and Landmark Inquiries: Australian legislation governing the ATSB and the conduct of marine safety investigations.
Transport Work X112. IMO GHG Strategy, CII, EEXI and EU Maritime Regulation: Product of capacity and distance used as the denominator in EEDI and AER metrics.
Transrec Skimmer X126. Marine Oil Spill Response and OPRC Regimes: Frame Group offshore weir-disc skimmer system in widespread NOFO use.
Transshelf X81. Project Cargo, Heavy-Lift and Module Carriers: Boskalis semi-submersible heavy-transport vessel of about 173 m length.
Transshipment (RFMO) X87. Fishing Vessels and Fisheries Management: Transfer of catch from a fishing vessel to a carrier, regulated by RFMO observer programs.
Transshipment Coordination X86. Port Agency, Husbandry and Disbursement: Coordination of transshipment cargo movements through the agent.
Transshipment Hub Project X104. Project Cargo Forwarders and Heavy Transport: Port used to switch project cargo between long haul and feeder vessels.
Transtainer X46. Container Terminal Operations: A historic Paceco trademark, used generically in some markets for rubber-tyred gantry cranes.
Transverse Acceleration X9. Cargo Securing, Lashing and Stability Vocabulary: Side-to-side acceleration; CSS Annex 13 standard value about 0.6 g for transverse direction at deck level.
Transverse Arrest Mode X137. Harbour Tugs, Towage Operators and Tug Builders: Escort braking mode with tug perpendicular to the ship's heading, dragging hydrodynamic load.
Transverse Bulkhead X54. Naval Architecture Software and IACS Rules: Watertight structural division addressed by IACS UR S18 in bulk carriers.
Transverse Mercator X16. Nautical Science, Navigation and COLREGs: Cylindrical projection with cylinder tangent to a meridian.
Transverse metacenter (MT) B1. Naval Architecture: Metacenter for transverse heel.
Transverse stability X162. Naval Architecture, Stability, Resistance, and Structural Design: Stability of the ship about the longitudinal axis (roll), the primary intact stability concern.
Transverse thrust X3. Ship Handling, Seamanship and Deck Vocabulary: Sideways effect of a propeller on the stern.
Transverse web frame X58. Shipbuilding Yards and Construction: Heavy transverse frame with web plate and face flat.
Trap Fishery X87. Fishing Vessels and Fisheries Management: Capture using fixed traps such as pots, fyke nets, and pound nets.
Trap Line X87. Fishing Vessels and Fisheries Management: Series of pots connected by a ground line, deployed by lobster and crab vessels.
TraPac Los Angeles X138. Global Container Terminal Operators and Port Equipment: Mitsui OSK Lines subsidiary operating Berths 136-147 at LA, expanded 2015 with semi-automation.
Trapdoor X32. Marine Pilotage and Pilot Operations: Hinged opening in an accommodation ladder lower platform through which a pilot ladder is rigged in combination arrangement.
Trapdoor Arrangement X159. Marine Pilotage, Pilot Districts, and Pilots' Associations: Combination arrangement using a hull side door from which the pilot ladder is rigged, common on large container vessels and tankers.
Trapped Crew X22. Piracy, Maritime Security and Armed Protection: Mariners unable to disembark from sanctioned or abandoned vessels, often subject to ITF intervention.
Trash Macerator X41. Cruise Ship Public Health and VSP/USPH: Galley device that must drain to indirect waste and be cleaned to prevent vector attraction.
Trash Wheel D3. Marine environmental science, pollution and conservation: Floating device collecting riverine litter before it reaches the sea.
Trasmediterranea X85. Ferries, Ro-Pax Operators and Routes: Spanish Naviera Armas subsidiary operating Strait of Gibraltar, Balearic, and Canary services.
Trauma kit X36. Shipboard Medical, Telemedicine and Seafarer Health: Bandages, dressings, splints, tourniquet, and analgesia bundled for rapid scene response.
Travel Health Notice X41. Cruise Ship Public Health and VSP/USPH: CDC public-facing advisory ranging from Watch to Warning issued for specific destinations or vessels.
Travel Speed Crawler X104. Project Cargo Forwarders and Heavy Transport: Permitted traveling speed of a crawler crane carrying or rigged for a load.
Traveler X3. Ship Handling, Seamanship and Deck Vocabulary: Slider running on a horse to which a sheet block is shackled.
Travelers Ocean Marine X145. P&I Clubs, War Risk Insurers, and Marine Insurance Markets: US ocean marine line.
Travemunde X85. Ferries, Ro-Pax Operators and Routes: German Baltic Lubeck port hosting Finnlines, TT-Line, and Stena Line services to Sweden, Finland, and Latvia.