Glossary
Maritime glossary, terms beginning with L (page 3)
All maritime glossary terms that begin with the letter L, drawn from every subject section. 1899 entries.
Showing 250 of 1899 terms (page 3 of 8).
- Lease Adjusted Leverage X49. Ship Finance, Leasing and Maritime Capital Markets
- Leverage metric that capitalizes operating lease commitments.
- Lease area X42. Offshore Wind Installation and Cable Lay
- Geographic block awarded to an offshore wind developer by a seabed manager.
- Lease Berth Notice X86. Port Agency, Husbandry and Disbursement
- Notification of berth lease arrangements affecting vessel calls.
- Lease in Lease out X49. Ship Finance, Leasing and Maritime Capital Markets
- Cross border tax structure historically used in transportation, since restricted.
- Leasing X6. Container, Intermodal and Trade Codes
- Long-term or short-term hire of containers from a leasing company.
- Leasing Master Agreement X83. ISO Container Manufacturing and Leasing
- Framework contract between lessor and lessee setting commercial and operational terms.
- Least Privilege X25. Maritime Cybersecurity, OT and IT
- Principle that users and processes have only the permissions necessary.
- Leatherback turtle X10. Marine Biology, Fisheries and Oceanography
- *Dermochelys coriacea*, the largest living turtle.
- Leave In Place X14. Offshore Oil and Gas Marine Operations
- Decommissioning option leaving subsea structures in situ.
- Lebanese American University Department of Civil Engineering Marine Track X160. Maritime Academies, Universities, and STCW Certification
- LAU Byblos campus marine and coastal engineering electives within civil engineering bachelor.
- Lebanese Ship Registry X98. Ship Registries and Flag States
- National registry administered by the Directorate General of Land and Maritime Transport.
- Lebanon PSC X66. Port State Control and Regional MOUs
- Mediterranean MOU member State.
- Lecithin X93. IBC Code and Chemical Tanker Operations
- Phospholipid mixture derived chiefly from soybeans, carried as a food-grade liquid under hygienic protocols.
- LeClaire X103. US Inland Waterway Towing and Barge
- An Iowa town on the Upper Mississippi River adjacent to Lock and Dam 14.
- LeClanche Marine X67. Marine Electrical Systems and Shore Power
- Swiss battery manufacturer supplying lithium-ion energy storage systems to passenger ferries and tugs.
- Lectern X97. Polar Expedition Cruise and IAATO Operations
- Lecture-room podium used by naturalists for onboard talks on wildlife, geology, and history during expedition voyages.
- LED indicator X19. Engine Room Watchkeeping and UMS Operations
- Solid state lamp replacing incandescent indication on modern alarm panels.
- LED inspection light X45. Marine Paints, Coatings and Antifouling
- Cold-light source used during tank coating inspection to identify defects without heating surface.
- Leduc v Ward (1888) 20 QBD 475 X143. Landmark Maritime Law Cases and Doctrines
- English Court of Appeal held that deviation defeats the carrier's contractual exemptions.
- Lee X3. Ship Handling, Seamanship and Deck Vocabulary
- Side or direction sheltered from the wind.
- Lee helm X3. Ship Handling, Seamanship and Deck Vocabulary
- Helm action required when a vessel tends to bear away from the wind.
- Lee Shore F5. The Reference Layer: Glossary, Units, Signals and Information Sources
- Shore onto which the wind is blowing; hazardous in heavy weather.
- Lee shore approach X32. Marine Pilotage and Pilot Operations
- Approach made by pilot boat to the lee side of the ship to provide a sheltered boarding area.
- LEEA X76. Stevedoring, Lashing and Cargo Securing
- Lifting Equipment Engineers Association, the trade body for lifting equipment inspectors and trainers.
- Leech X3. Ship Handling, Seamanship and Deck Vocabulary
- After edge of a fore-and-aft sail; outer edge of a square sail.
- Leela Group X147. Ship Recycling, Hong Kong Convention, and Recycling Yards
- A long-standing plot operator at Alang, operating multiple plots and an early adopter of HKC SoC.
- Leela Shipbreaking X118. Ship Recycling Yards, Beaches and Regulation
- Alang plot operator with reported HKC Statement of Compliance from IACS member classification societies; confirm current status via the issuing society.
- Leeuwin II X128. Sail Training Ships and Tall Ship Associations
- Australian three masted barquentine built 1986 at Fremantle, 55 m length, operated by Leeuwin Ocean Adventure Foundation, Western Australia's official tall ship.
- Leeward X3. Ship Handling, Seamanship and Deck Vocabulary
- Downwind.
- Leeward apron X175. Port Engineering, Dredging, Breakwaters, and Quays
- Rubble apron placed on the harbor side of a vertical or composite breakwater to protect the foundation from overtopping flows.
- Leeward Cable Project X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines
- Proposed regional cable in Caribbean basin.
- Leeward Yacht Club F4. Recreational Boating, Yachting and Sport
- Generic example of recreational sailing club.
- Leeway X3. Ship Handling, Seamanship and Deck Vocabulary
- Lateral drift of a vessel caused by wind.
- Leftbank dolphin X15. Ports, Terminals and Stevedoring
- mooring dolphin to port-side of berth.
- LEG (Liquefied Ethylene Gas) carrier B5. Ship Types and Individual Vessels
- Semi-refrigerated ethylene carrier.
- Leg (race) X84. Yacht Racing, Regattas and Sailing Governance
- A segment of a race course between two marks or waypoints.
- LEG Committee A1. The IMO and the international regulatory framework
- Legal Committee, dealing with private and public international maritime law issues.
- Leg distance B3. Nautical Science
- Distance between two waypoints on the passage plan.
- LEG/CONF A1. The IMO and the international regulatory framework
- Numbering for diplomatic conferences convened by the Legal Committee.
- Legacy System X48. Maritime Cybersecurity
- Equipment that has reached end of vendor support, common on board ships with long lifecycles.
- Legal 500 X114. Maritime Arbitration and Shipping Law Firms
- Directory ranking maritime law firms, used as benchmark within the profession.
- Legal Defence Fund X154. Maritime Welfare, Seafarer Charities, and MLC Rights
- ITF and union fund covering legal costs for seafarers in arrest, detention, or criminalization cases.
- Legare, USCGC (WMEC-912) X130. National Coast Guards and Cutter Fleets
- Famous-class medium endurance cutter homeported Portsmouth, Virginia.
- Legend of the Seas X164. Cruise Industry, Brands, Ship Classes, and Terminals
- A Vision class Royal Caribbean ship delivered in 1995 and sold to TUI Cruises in 2017 as Mein Schiff Herz; the name will be reused for the third Icon class ship.
- Legend-class X130. National Coast Guards and Cutter Fleets
- USCG 418-foot National Security Cutter, 11 hulls built by Ingalls Shipbuilding Pascagoula, Mississippi.
- Legionella pneumophila X41. Cruise Ship Public Health and VSP/USPH
- Waterborne bacterium controlled by maintaining hot water at 60 C (140 F) and free chlorine residual at distal points.
- Legionella Risk Assessment X41. Cruise Ship Public Health and VSP/USPH
- Documented evaluation of dead legs, low-flow lines, and tank stratification on cruise potable systems.
- Legionnaires' Disease X41. Cruise Ship Public Health and VSP/USPH
- Severe pneumonia caused by Legionella, with cruise-associated cases tracked by CDC and Public Health England historically.
- Legitimacy of Trade Union X154. Maritime Welfare, Seafarer Charities, and MLC Rights
- MLC Title 3 protection of freedom of association on board.
- Lehmkuhl (Statsraad Lehmkuhl) X128. Sail Training Ships and Tall Ship Associations
- See Statsraad Lehmkuhl; Norwegian three masted barque built 1914, 98 m length, world's largest privately owned sail training ship.
- Leistritz X63. Marine Auxiliary Machinery and Pumps
- German manufacturer of screw pumps and screw extruders, used for cargo and fuel duty.
- Leistritz L2 X63. Marine Auxiliary Machinery and Pumps
- Twin-screw pump series for cargo and stripping service on tankers.
- Leistritz L3 X63. Marine Auxiliary Machinery and Pumps
- Three-screw pump series for fuel oil and lube oil duty.
- Leistritz L4 X63. Marine Auxiliary Machinery and Pumps
- Four-screw pump series for high-flow cargo and process service.
- Leiv Eiriksson X124. Dredging Industry and Reclamation Contractors
- Jan De Nul TSHD of 46,000 m3 hopper, sister to Cristobal Colon.
- Lekki X116. Global Bunker Anchorages, Hubs and Supply Infrastructure
- New Nigerian deepwater port with Dangote Refinery commissioning bunker capacity from 2024.
- Lemaire Channel X97. Polar Expedition Cruise and IAATO Operations
- Narrow scenic passage on the Antarctic Peninsula between Booth Island and the mainland, nicknamed Kodak Gap.
- LEMINS C1. Commercial shipping, chartering, economics and finance
- Letter excluding marine insurance subjects.
- Lemon carriage X26. Reefer Containers and Cold Chain Logistics
- 12 C, 85 to 90% RH; chilling injury below 10 C.
- Lemon Reefer X136. Reefer Vessels and Cool Chain Operators
- Reefer container chain for lemons, particularly from Argentina, Spain, and Turkey, with strict cold treatment for some destinations.
- LEMUR X74. AIS Data, Vessel Tracking and Maritime Intelligence
- Spire Global nanosatellite bus carrying AIS, ADS-B and GNSS-RO payloads.
- Lender of Record X49. Ship Finance, Leasing and Maritime Capital Markets
- Institution shown on the loan agreement as the formal lender.
- Length at first maturity (Lm) X10. Marine Biology, Fisheries and Oceanography
- Body length at which 50 percent of individuals are reproductively mature.
- Length Between Perpendiculars X54. Naval Architecture Software and IACS Rules
- LBP, distance between forward and aft perpendiculars used in ship rule formulas.
- Length between perpendiculars (LBP) B1. Naval Architecture
- Length from FP to AP.
- Length displacement ratio X162. Naval Architecture, Stability, Resistance, and Structural Design
- See Slenderness ratio.
- Length frequency X10. Marine Biology, Fisheries and Oceanography
- Distribution of body lengths in a catch or population.
- Length of Day Variation D1. Physical and chemical oceanography and marine meteorology
- Small fluctuations linked partly to atmospheric and oceanic angular momentum.
- Length on Load Line (LH) X35. Yacht and Superyacht Industry
- Length measured at the loaded waterline; basis for "superyacht" 24 m threshold.
- Length on waterline (LWL) B1. Naval Architecture
- Length measured at the design waterline.
- Length overall X3. Ship Handling, Seamanship and Deck Vocabulary
- Greatest length of the vessel.
- Length overall (LOA) B1. Naval Architecture
- Maximum length including overhangs.
- Length Waterline X125. Superyacht Industry, Builders and Brokers
- LWL, used in design and stability calculations.
- Length-Frequency Analysis D4. Fisheries, aquaculture, blue economy and marine resources
- Estimation of growth and mortality from length data.
- Leningrad Higher Engineering Marine School X121. Maritime Education, Academies and Universities
- Former Soviet-era school in St Petersburg, now within Admiral Makarov State University of Maritime and Inland Shipping.
- LEO X68. Maritime Satcom and Telecommunications
- Low Earth Orbit, generally below 2,000 km altitude, used by Iridium and Starlink constellations.
- LEO Satcom (Starlink, OneWeb) E3. Technology, digitalization and smart shipping
- Low-earth-orbit broadband constellations.
- Leonardo da Vinci X42. Offshore Wind Installation and Cable Lay
- Prysmian cable lay vessel delivered in 2021 with two carousels and DP3 capability.
- Leonardo da Vinci (CLV) X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines
- Prysmian cable-lay vessel commissioned in 2021, with 17,000 t main turntable capacity for HVDC export cables.
- Leonardo Sperry Marine X89. ECDIS and Bridge Equipment Makers
- Current ownership of the Sperry Marine product line following Leonardo's acquisition from Northrop Grumman in 2017.
- Leopard X65. ROVs, AUVs, USVs and Marine Robotics
- Saab Seaeye electric work-class ROV with eleven thrusters and high power for deep water construction support.
- Leopard Seal X97. Polar Expedition Cruise and IAATO Operations
- Solitary Antarctic predator seal (Hydrurga leptonyx) often observed near penguin colonies.
- LEOSAR X23. AIS, GMDSS, IALA Buoyage and Aids to Navigation
- Low Earth Orbit segment of Cospas-Sarsat providing Doppler localization.
- Lepanto X39. Pre-1900 Maritime History
- See Battle of Lepanto, 1571.
- Leptocephalus X10. Marine Biology, Fisheries and Oceanography
- Transparent ribbon-like larva of eels and tarpons.
- Lerici class X11. Naval Vessels, Warship Systems and Naval Architecture
- Italian Intermarine GRP minehunter, exported as Osprey class.
- Lerow (Lerøy Seafood Group) X87. Fishing Vessels and Fisheries Management
- Norwegian salmon farming and seafood company operating well boats and processing vessels.
- Leroy Seafood Group X131. Commercial Fisheries, Trawler Fleets and Seafood Processors
- Bergen-listed integrated Norwegian seafood group.
- LES X54. Naval Architecture Software and IACS Rules
- Large Eddy Simulation, scale-resolving turbulence approach available in STAR-CCM+, Fluent, and OpenFOAM.
- Les Abeilles X79. Tugs and Towage Industry
- French ocean salvage and emergency towage operator headquartered in Brest, now part of Boluda Marine France.
- Les Abeilles International X79. Tugs and Towage Industry
- International salvage and ocean towage subsidiary of the Les Abeilles group.
- Les Alizes X105. Offshore Wind Farm Installation and Vessels
- Jan De Nul floating heavy-lift vessel delivered in 2022 with a 5,000-tonne main crane for foundation installation.
- Less Detailed Inspection X146. Port State Control Regimes, MoUs, and Inspection Systems
- Not formally defined; in practice the result of an inspection that did not progress beyond document checks.
- Less serious casualty X12. Maritime Casualties and Investigation
- Casualty category in MSC.255(84) below serious, used for trend data.
- Less serious marine casualty X163. Marine Accident Investigation Agencies and Landmark Inquiries
- Casualty Investigation Code category covering marine casualties not classified as very serious or serious.
- Lessee X83. ISO Container Manufacturing and Leasing
- Carrier or shipper taking containers on lease from a leasing company.
- Lessons learned X59. Offshore Wind O&M, CTVs and SOVs
- Documented insights captured after a campaign or incident and circulated within the O&M organization.
- Lessons learned bulletins X163. Marine Accident Investigation Agencies and Landmark Inquiries
- Industry-facing summaries (used by MAIB, BSU, DMAIB, ATSB and others) that distil safety lessons from individual investigations for circulation to operators.
- Lessor X83. ISO Container Manufacturing and Leasing
- Container leasing company that owns and leases out containers and chassis.
- Let fly X3. Ship Handling, Seamanship and Deck Vocabulary
- Release the sheets so the sail flutters.
- Let go X3. Ship Handling, Seamanship and Deck Vocabulary
- Order to release an anchor or mooring line.
- Let-Go Pilot X30. Tug Operations and Harbour Towage
- Stage at which the pilot leaves the assisted ship.
- Lethal Concentration (LC50) X1. Cargo Science, Commodities and Cargo Care
- Toxicity reference for IMDG classification.
- Lethal Inhalation Concentration X75. IMDG Code, Classes, Packing and Segregation
- See LC50.
- LeTourneau 116E X153. Offshore Drilling Rigs, FPSOs, and Offshore Vessels
- Enhanced version of the classic LeTourneau 116-C jackup, a widely deployed Gulf of Mexico design.
- LeTourneau 240C X153. Offshore Drilling Rigs, FPSOs, and Offshore Vessels
- Marathon LeTourneau deepwater jackup design rated to 400 foot water depth.
- LeTourneau Super 116 X153. Offshore Drilling Rigs, FPSOs, and Offshore Vessels
- Marathon LeTourneau 350 foot independent leg cantilever jackup design with high variable load.
- LeTourneau Super Gorilla X153. Offshore Drilling Rigs, FPSOs, and Offshore Vessels
- Class of harsh-environment jackups including ENSCO 100-series rigs built for North Sea conditions.
- Letter of Authorization X22. Piracy, Maritime Security and Armed Protection
- Flag state document permitting embarkation of specific PCASP weapons on a named vessel.
- Letter of Authorization (LOA) E1. Maritime security, geopolitics and risk
- Flag-state permit for PCASP embarkation.
- Letter of Compliance (LOC) A7. Compliance, certification and enforcement
- Sometimes issued by USCG for foreign vessels engaged in OCS activities.
- Letter of credit C1. Commercial shipping, chartering, economics and finance
- Bank instrument guaranteeing payment under specified document conditions.
- Letter of indemnity C1. Commercial shipping, chartering, economics and finance
- LOI, undertaking to indemnify carrier for actions taken without bills of lading.
- Letter of Indemnity (LOI) A5. Maritime Law, private and commercial
- Counter-promise to compensate for action taken at requester's request.
- Letter of Indemnity (Sanctions) E1. Maritime security, geopolitics and risk
- Indemnity addressing potential sanctions exposure.
- Letter of Indemnity (Stores) X120. Marine Catering, Provisions and Ship Chandlers
- Issued by owner where chandler delivery proceeds without full documentation.
- Letter of indemnity broker note X71. Shipbrokers and Brokerage Firms
- Confirmation that an LOI has been provided in lieu of bills of lading.
- Letter of Intent (LOI) X29. Ship Sale and Purchase, Management Contracts and Valuation
- Pre-MoA expression of intent to negotiate, usually non-binding.
- Letter of Marque F1. Maritime History
- Royal commission authorizing private vessels to attack enemy shipping.
- Letter of Marque (Historic) E2. Naval, defence and maritime law enforcement
- Sovereign authorization to engage in privateering.
- Letter of Protest X15. Ports, Terminals and Stevedoring
- LOP, document issued during disputes at the cargo interface.
- Letter of Protest (LOP) X5. Marine Surveying and Inspection
- Formal written objection issued during cargo operations.
- Letter of Protest (Stores) X120. Marine Catering, Provisions and Ship Chandlers
- Issued by master for short delivery, damaged goods, or expired items.
- Letter of Quiet Enjoyment X49. Ship Finance, Leasing and Maritime Capital Markets
- Lender undertaking to a charterer that quiet enjoyment will be preserved if security is enforced.
- Letter of Undertaking X108. Marine Insurance and P&I Clubs
- A written guarantee from a P&I club to secure release of an arrested vessel, accepted by claimants in lieu of bail bond.
- Letter of Undertaking (LOU) X4. Marine Insurance, P&I and Claims
- security letter issued by a P&I club to secure release of a ship from arrest.
- Letter of Warning X146. Port State Control Regimes, MoUs, and Inspection Systems
- A written warning issued by Paris MoU authorities indicating that a ship is at risk of refusal of access.
- Lettuce reefer carriage X70. Reefer Containers and Cold Chain Shipping
- Leafy vegetable shipped at about zero degrees Celsius with high humidity and modified atmosphere to delay browning.
- Letzer Towage X30. Tug Operations and Harbour Towage
- European tug operator.
- Levant X124. Dredging Industry and Reclamation Contractors
- Mediterranean dredging market, with frequent Boskalis and Jan De Nul involvement.
- Levantine Sea X10. Marine Biology, Fisheries and Oceanography
- Easternmost basin of the Mediterranean.
- Levee X175. Port Engineering, Dredging, Breakwaters, and Quays
- Earth or rock embankment built to contain water or dredged spoil within reclamation areas.
- Levee (Submarine) D2. Hydrography, tides, waves, bathymetry and marine geology
- Raised bank along a submarine channel.
- Leveed Cutting Zone X28. Ship Recycling and End-of-Life
- Bunded area of a yard preventing oil and water runoff during cutting.
- Level Alarms X20. LNG Operations and Custody Transfer
- Hi-Hi (typically 98.5 percent), Hi (95 percent), and Lo (1 percent) per IGC Chapter 13.
- Level Sensor X20. LNG Operations and Custody Transfer
- Primary system is microwave radar (Saab Marine TankRadar, Honeywell Enraf, Whessoematic) with float or capacitance backup.
- Level Switch X63. Marine Auxiliary Machinery and Pumps
- Sensor signaling high or low liquid level in tanks, sumps, or sealing chambers.
- Levelized cost of hydrogen X57. Ocean Energy Beyond Wind
- LCOH metric used to compare offshore green hydrogen with onshore alternatives.
- Levelling X73. Marine Hydrography, Charting and ENC
- Geodetic measurement of orthometric heights, used to relate land benchmarks to chart datum.
- Levels of Ambition X112. IMO GHG Strategy, CII, EEXI and EU Maritime Regulation
- Five targets set by the 2023 Revised IMO GHG Strategy MEPC.377(80) covering carbon intensity, total emissions, and zero or near-zero fuel uptake.
- Lever Arm X9. Cargo Securing, Lashing and Stability Vocabulary
- Horizontal distance between buoyancy and gravity forces; basis of righting moment.
- Lever turnbuckle X76. Stevedoring, Lashing and Cargo Securing
- Turnbuckle tightened by a hinged handle rather than a wrench, common in container lashing.
- Leverage Covenant X49. Ship Finance, Leasing and Maritime Capital Markets
- Covenant capping the ratio of debt to a defined denominator such as fleet value.
- Leviathan X123. Offshore Wind Installation Vessels and Operators
- Seajacks jack-up vessel built 2008, NG-2500X design, used for Sheringham Shoal and Greater Gabbard.
- Lewek Connector X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines
- Subsea construction vessel operated by EMAS-AMC, configured for reel-lay and heavy ROV operations.
- Lewek Constellation X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines
- Heavy-lift, pipelay, and subsea construction vessel of EMAS Chiyoda Subsea.
- Lewis and Clark class X11. Naval Vessels, Warship Systems and Naval Architecture
- USN T-AKE dry cargo ship.
- Lewis and Clark-class T-AKE X106. Naval Surface Combatants
- US Navy Military Sealift Command dry cargo and ammunition ship class of fourteen ships.
- Lewis B. Puller-class ESB X106. Naval Surface Combatants
- US Navy expeditionary sea base auxiliary class, designated T-ESB, built on commercial Alaska-class tanker hull.
- Lewis form B1. Naval Architecture
- Two-parameter family of cross sections used in strip theory.
- Lewis wave power site X57. Ocean Energy Beyond Wind
- Outer Hebrides wave resource area historically targeted by multiple WEC developers.
- Lex Arbitri X51. Maritime Arbitration, Law and BIMCO Clauses
- The procedural law governing the arbitration, generally that of the seat.
- Lex Causae X51. Maritime Arbitration, Law and BIMCO Clauses
- The substantive law governing the merits of the dispute.
- Lex Fori X51. Maritime Arbitration, Law and BIMCO Clauses
- The law of the forum in which proceedings are brought.
- Lex Fori Arbitri X51. Maritime Arbitration, Law and BIMCO Clauses
- The law of the seat of the arbitration, equivalent in practice to the curial law.
- Lex Loci Contractus X51. Maritime Arbitration, Law and BIMCO Clauses
- The law of the place where the contract was made, historically relevant to choice of law.
- Lex Maritima X51. Maritime Arbitration, Law and BIMCO Clauses
- The body of customary international maritime law applied in admiralty courts and arbitrations.
- Leyal Ship Recycling X50. Ship Recycling, Demolition and Hong Kong Convention
- A Turkish recycling facility at Aliaga listed on the EU List of approved ship recycling facilities.
- Leyal-Demtas X118. Ship Recycling Yards, Beaches and Regulation
- Aliaga ship recycling facility operated by Leyal Gemi Sokum, EU-listed under successive Commission Implementing Decisions.
- LFl (Long Flash) X23. AIS, GMDSS, IALA Buoyage and Aids to Navigation
- Light character with a single flash of at least 2 seconds duration.
- LFL (low flash fuel) B2. Marine Engineering
- Fuels with flash point < 60 °C addressed by IGF Code.
- LFL (Lower Flammability Limit) X2. Marine Bunker Fuels, Lubricants and Bunkering Operations
- Lowest vapor concentration that supports combustion in air.
- LFL (Lower Flammable Limit) X20. LNG Operations and Custody Transfer
- Methane in air 5 percent v/v; trigger for ventilation interlocks in compressor rooms.
- LFO X47. Marine Fuel Quality and ISO 8217
- Light fuel oil, an informal regional term broadly equivalent to MDO or RMA grades depending on market.
- LFP (Lithium Iron Phosphate) X34. Decarbonization, Alternative Fuels and Carbon Pricing
- Battery chemistry common in maritime ESS due to thermal stability.
- LFP Battery X67. Marine Electrical Systems and Shore Power
- Lithium iron phosphate chemistry favored in marine applications for thermal stability and cycle life.
- LH2 X111. Methanol, Ammonia and Alternative Marine Fuels
- Liquid hydrogen at approximately minus 253 degrees Celsius and 71 kg/m3 used as cryogenic marine fuel.
- LH2 (Liquid Hydrogen) X34. Decarbonization, Alternative Fuels and Carbon Pricing
- Hydrogen liquefied at approximately minus 253 C; demonstrated by Suiso Frontier (Kawasaki).
- LHA X11. Naval Vessels, Warship Systems and Naval Architecture
- Landing Helicopter Assault, USN Tarawa and America classes.
- LHA (Local Hour Angle) X16. Nautical Science, Navigation and COLREGs
- GHA combined with longitude (east added, west subtracted).
- Lhasa X106. Naval Surface Combatants
- People's Liberation Army Navy Type 055 Renhai-class destroyer, second of class.
- LHD X11. Naval Vessels, Warship Systems and Naval Architecture
- Landing Helicopter Dock, USN Wasp and Australian Canberra classes.
- LHM 420 X94. Port Machinery and Quay Equipment Makers
- Liebherr mobile harbor crane with 124-tonne maximum lifting capacity and 48-meter outreach.
- LHM 550 X94. Port Machinery and Quay Equipment Makers
- Liebherr mobile harbor crane with 144-tonne maximum capacity, widely used for general cargo and feeders.
- LHM 600 X94. Port Machinery and Quay Equipment Makers
- Liebherr mobile harbor crane with 208-tonne capacity and 58-meter outreach for Panamax-class vessels.
- LHM 800 X94. Port Machinery and Quay Equipment Makers
- Liebherr's largest mobile harbor crane offering 308-tonne capacity and a boom reach up to 64 meters.
- LHV X111. Methanol, Ammonia and Alternative Marine Fuels
- Lower Heating Value, the net energy released per unit mass of fuel after subtracting the latent heat of water vapor in combustion products.
- LHV gas heater B4. Shipbuilding, Materials, Sea Trials, Retrofits and Recycling
- Component of LNG fuel system on retrofit.
- Lhyfe X57. Ocean Energy Beyond Wind
- French green hydrogen developer that operates an offshore hydrogen production pilot off Le Croisic, France.
- Liability Allocation, Demolition MoA X50. Ship Recycling, Demolition and Hong Kong Convention
- The contractual division of risk between owner and cash buyer for IHM, voyage, and yard delivery.
- Liability cap C1. Commercial shipping, chartering, economics and finance
- Contractual or statutory limit of owner liability.
- Liability convention C1. Commercial shipping, chartering, economics and finance
- Convention such as LLMC 1976/1996 limiting maritime claims.
- Liability Convention 1969/1992 CLC E1. Maritime security, geopolitics and risk
- Civil liability for oil pollution from tankers.
- Liability Convention 1971 X53. Marine Insurance, P&I and Hull Clauses
- The Convention on the Establishment of an International Fund for Compensation for Oil Pollution Damage, supplementing the CLC.
- Liability limit X6. Container, Intermodal and Trade Codes
- Maximum carrier liability per package or kilogram under Hague-Visby and similar regimes.
- Liability Limitation Fund X51. Maritime Arbitration, Law and BIMCO Clauses
- A constituted fund under the LLMC or CLC by which a shipowner secures and caps liability.
- Liability Salvage X99. Marine Salvage Awards and SCOPIC
- Concept by which salvage may rescue an owner from liability rather than property, recognized in part by SCOPIC.
- Liability to Cargo X4. Marine Insurance, P&I and Claims
- P&I head of cover for the shipowner's liability under bills of lading and similar contracts.
- Lianyungang COSCO X113. Drydock and Ship Repair Yards
- COSCO Shipping Heavy Industry repair yard at Lianyungang in Jiangsu, China.
- Liaoning X11. Naval Vessels, Warship Systems and Naval Architecture
- Chinese PLAN Type 001 CV-16 STOBAR carrier, ex-Varyag.
- Liaoning Yard Cluster X50. Ship Recycling, Demolition and Hong Kong Convention
- A historical Chinese recycling district that has substantially reduced in activity.
- LIBA X4. Marine Insurance, P&I and Claims
- London and International Insurance Brokers' Association.
- Liberation X132. High-Speed Craft, Hydrofoils and Ferry Operators
- See Condor Liberation.
- Liberia X7. Flag State, Port State Control and Detention Vocabulary
- Open registry administered by the Liberian International Ship and Corporate Registry, LISCR, second largest flag by tonnage.
- Liberia accession X147. Ship Recycling, Hong Kong Convention, and Recycling Yards
- One of the two accessions (with Bangladesh) on 26 June 2023 that triggered the HKC's entry into force criteria.
- Liberia Flag (LISCR) X151. Maritime Sanctions, Dark Fleet, and Price Cap Regimes
- A major open registry that has progressively tightened sanctions screening and deregistered identified dark-fleet vessels.
- Liberia Flag Recycling Notification X28. Ship Recycling and End-of-Life
- Notification required by the Liberian Registry for last-voyage flag retention.
- Liberia Maritime Mortgage X49. Ship Finance, Leasing and Maritime Capital Markets
- Mortgage registered under Liberian law for vessels on the Liberian flag.
- Liberia Ship Registry X98. Ship Registries and Flag States
- Second largest open registry with approximately 250 million GT and 5,500 vessels, administered by LISCR.
- Liberian Bunker Brokerage X72. Bunkering Hubs and Bunker Suppliers
- Brokerage activity routed through Monrovia for vessels carrying Liberian flag.
- Liberian International Ship and Corporate Registry F3. Seafaring Life, Education, Professions and Institutions
- Flag-state registry administrator.
- Liberian Maritime Training Council Approved Centres X160. Maritime Academies, Universities, and STCW Certification
- Network of training centers approved by the Liberian Registry to deliver STCW courses for Liberian flag CoC issuance.
- Liberian Registry X21. STCW Certificates, Crewing and Seafarer Welfare
- LISCR administered open registry issuing STCW endorsements widely accepted in trade.
- Liberian Registry Investigation X163. Marine Accident Investigation Agencies and Landmark Inquiries
- Investigation function carried out for the Republic of Liberia by the Liberian Maritime Authority and its Deputy Commissioner of Maritime Affairs.
- Liberian Registry Stellar Daisy support X163. Marine Accident Investigation Agencies and Landmark Inquiries
- Liberian Registry participation in flag State coordination with the Marshall Islands during the Stellar Daisy investigation given crew nationalities and operational context.
- Libertad (ARA) X128. Sail Training Ships and Tall Ship Associations
- Argentine Navy three masted full rigged ship built 1956 to 1963 at Astillero Rio Santiago, 103.7 m length, 2,652 sq m sail area, holds the 1966 transatlantic sail record Cape Race to Dublin.
- Liberte X85. Ferries, Ro-Pax Operators and Routes
- P&O Ferries hybrid ro-pax of the Fusion class delivered for Dover to Calais.
- Liberty of the Seas X64. Cruise Industry Operators, Brands and Ships
- Royal Caribbean Freedom-class ship delivered in 2007.
- Liberty Ship F1. Maritime History
- Mass-produced EC2-S-C1 emergency cargo ship of the Second World War, 2,710 built.
- Liberty Specialty Markets X117. Marine Insurance Markets, Captives and Reinsurance
- Liberty Mutual's London specialty operation, including marine hull and cargo, with Lloyd's Syndicate 4472.
- LIBOR Discounting X44. Shipping Indices, FFAs and Freight Markets
- Legacy interest rate convention used by some clearing houses for FFA margining, since transitioned to risk-free rate alternatives.
- LIBOR replacement clauses C3. Logistics, freight forwarding and multimodal trade
- Replacement of LIBOR in finance and trade docs.
- License builder X90. Marine Engine Specific Model Enumeration
- Term for shipyards or engine works producing two-stroke and four-stroke designs under license from MAN Energy Solutions or WinGD.
- License to Trade X86. Port Agency, Husbandry and Disbursement
- License held by the agent under national law to perform agency services.
- License-by-tonnage X32. Marine Pilotage and Pilot Operations
- Pilot license endorsement restricted to vessels up to a stated gross tonnage.
- Licensed Asbestos Handler X28. Ship Recycling and End-of-Life
- Worker certified to remove and pack ACM at the yard.
- Lid, lashing pot X76. Stevedoring, Lashing and Cargo Securing
- Removable cover protecting a recessed lashing pot when not in use.
- LIDAR (Light Detection and Ranging) X129. Hydrographic Offices, Survey Vessels and Marine Cartography
- Laser ranging technique used for shoreline mapping and shallow bathymetry, central to topobathy products from NOAA and others.
- LIDAR (marine) X57. Ocean Energy Beyond Wind
- Light detection and ranging instrument used for wind and resource measurement at offshore renewable sites.
- LiDAR (Maritime) E3. Technology, digitalization and smart shipping
- Laser ranging for situational awareness/autonomy.
- Lidar Altimetry D5. Coastal processes, sea-level, cryosphere and ocean observation science
- Satellite laser altimetry as on ICESat-2.
- Lidar Bathymetry D2. Hydrography, tides, waves, bathymetry and marine geology
- Airborne or vessel-based laser scanning of shallow seabed.
- Lidar Marine Hardened X109. Maritime Autonomous Surface Ships and MASS Code
- A LiDAR sensor designed to operate in marine spray, vibration, and temperature ranges, used on autonomous workboats and USVs.
- Lider Aviacao X31. Helicopter Operations on Ships
- Brazilian helicopter operator serving offshore oil and gas industry.
- Lider, Project 10510 X52. Polar Code, Arctic and Antarctic Shipping
- Russian nuclear icebreaker class, also designated LK-120Ya, lead ship Rossiya laid down at Zvezda Shipyard on 5 July 2021.
- Lido buffet X24. Cruise, Passenger Ship and Ferry Operations
- Casual self-service dining venue, typically on the lido deck.
- Lido deck X24. Cruise, Passenger Ship and Ferry Operations
- Pool deck on cruise ships.
- Liebherr X46. Container Terminal Operations
- A Swiss-headquartered industrial group whose maritime cranes division supplies mobile harbor cranes, ship cranes, ship-to-shore quay cranes, and rubber-tyred gantries.
- Liebherr CBG X169. Container Terminal Cranes, Yard Equipment, and Lashing
- Liebherr Maritime Cranes deck crane series with low pedestal and slewing platform.
- Liebherr CBW X169. Container Terminal Cranes, Yard Equipment, and Lashing
- Liebherr cargo crane series for general cargo and project vessels.
- Liebherr Container Cranes X94. Port Machinery and Quay Equipment Makers
- Liebherr subsidiary in Killarney, Ireland producing STS, ASC, and RMG cranes for terminals worldwide.
- Liebherr LG 1550 X104. Project Cargo Forwarders and Heavy Transport
- Lattice boom mobile crane in the 550 tonne class on a wheeled chassis.
- Liebherr LG 1750 X104. Project Cargo Forwarders and Heavy Transport
- Lattice boom mobile crane in the 750 tonne class.
- Liebherr LHM X169. Container Terminal Cranes, Yard Equipment, and Lashing
- Liebherr Mobile Harbour Crane series, wheeled multipurpose cranes ranging from LHM 180 to LHM 800.
- Liebherr LR 11000 X104. Project Cargo Forwarders and Heavy Transport
- Crawler crane in the 1,000 tonne class.
- Liebherr LR 13000 X104. Project Cargo Forwarders and Heavy Transport
- Crawler crane in the 3,000 tonne class for refinery and nuclear lifts.
- Liebherr LR 1500 X104. Project Cargo Forwarders and Heavy Transport
- Crawler crane in the 500 tonne class used in industrial and wind work.
- Liebherr LR 1750 X104. Project Cargo Forwarders and Heavy Transport
- Crawler crane in the 750 tonne class.
- Liebherr LRS X94. Port Machinery and Quay Equipment Makers
- Liebherr reach stacker series including the LRS 545 with 45-tonne first-row capacity.
- Liebherr LRTG X94. Port Machinery and Quay Equipment Makers
- Liebherr rubber-tired gantry available in diesel-electric and hybrid configurations.
- Liebherr LTM 11200-9.1 X104. Project Cargo Forwarders and Heavy Transport
- Nine-axle all-terrain crane with 1,200 tonne capacity, the largest of its type.
- Liebherr Maritime Cranes X169. Container Terminal Cranes, Yard Equipment, and Lashing
- Liebherr business unit producing STS cranes, RTGs, RMGs, mobile harbour cranes, and shipboard cranes from facilities in Killarney, Ireland and Rostock, Germany.
- Lien X29. Ship Sale and Purchase, Management Contracts and Valuation
- Charge over vessel for unpaid debts, must be cleared at delivery.
- Lien clause C1. Commercial shipping, chartering, economics and finance
- Clause allowing owner to retain cargo for freight, demurrage, or hire.
- Lien for Salvage X60. Marine Salvage and Wreck Removal
- Maritime lien attaching to salved property as security for the salvor's reward.
- Lien Notice Service X86. Port Agency, Husbandry and Disbursement
- Service of a lien notice on cargo through the agent.
- Lien on Cargo X17. Chartering, Shipbroking and Freight Trading
- Carrier's right to retain cargo as security for freight, demurrage or general average.
- Lien on Sub-Freights X17. Chartering, Shipbroking and Freight Trading
- Owner's right to claim hire by intercepting sub-charterer's freight payments.
- Lien Subordination Agreement X49. Ship Finance, Leasing and Maritime Capital Markets
- Agreement subordinating one lien to another among shipping creditors.
- Life Cycle Analysis, Ship Recycling X50. Ship Recycling, Demolition and Hong Kong Convention
- The cradle-to-grave assessment of environmental impacts including the recycling stage.