Glossary

Maritime glossary, terms beginning with A (page 4)

All maritime glossary terms that begin with the letter A, drawn from every subject section. 3739 entries.

Showing 250 of 3739 terms (page 4 of 15).

Adhesives Containing Asbestos X50. Ship Recycling, Demolition and Hong Kong Convention: Older bonding compounds used on pipe joints, gaskets, and panel fixings that fall under threshold reporting in IHM Part I.
Adiabatic cooling X26. Reefer Containers and Cold Chain Logistics: Heat removal by evaporation; pre-cooling technique for some perishable cargoes before stuffing.
Adiabatic Heating X82. Saturation Diving and Offshore Diving Operations: Temperature rise in chamber gas during rapid compression.
Adiabatic Lapse Rate D1. Physical and chemical oceanography and marine meteorology: Rate at which an air parcel cools or warms as it rises or descends without exchanging heat with surroundings.
ADIPEC X119. Maritime Conferences, Trade Shows and Awards: Abu Dhabi International Petroleum Exhibition and Conference, held annually at ADNEC since 1984, organized by dmg events under ADNOC patronage.
ADIPEC Awards X119. Maritime Conferences, Trade Shows and Awards: Annual recognition program at ADIPEC honoring excellence across oil, gas, and energy companies, established 2014.
ADIPEC Maritime and Logistics X119. Maritime Conferences, Trade Shows and Awards: Dedicated maritime zone within ADIPEC introduced in 2018, covering offshore vessels, port logistics, and shipping.
ADIS (Auto-Identification Data Inspector) E3. Technology, digitalization and smart shipping: Verification utility for AIS feeds.
Adjacent Satellite Interference X68. Maritime Satcom and Telecommunications: Unwanted signal energy received from a neighboring geostationary satellite operating on the same frequency.
Adjudicator X51. Maritime Arbitration, Law and BIMCO Clauses: An individual appointed under a dispute resolution clause to render a binding interim decision, distinct from an arbitrator under most maritime contracts.
Adjustable Gooseneck X104. Project Cargo Forwarders and Heavy Transport: Detachable front section of a lowbed trailer that allows the deck to be lowered for loading.
Adjustable Rate Loan X49. Ship Finance, Leasing and Maritime Capital Markets: Shipping loan whose interest rate floats over a reference benchmark such as SOFR plus a margin.
Adjustable Stacker X9. Cargo Securing, Lashing and Stability Vocabulary: Container fitting permitting deck stowage at variable heights.
Adjusted Density X115. Marine Bunker and Cargo Surveying: Density at 15 degrees C derived from a measured observed density and temperature using ASTM D1250 / ISO 91 tables, used in mass conversion.
Adjusted Disbursement X86. Port Agency, Husbandry and Disbursement: Revised account incorporating corrections to tariffs, services rendered, or third-party invoices.
Adjusted Draft Survey X43. Marine Surveying and Warranty Surveying: A draft survey corrected for trim, list, hog or sag, density of dock water, and deductibles to derive the true displacement-based cargo quantity.
Adjuster X4. Marine Insurance, P&I and Claims: see Average Adjuster; the practitioner who calculates general average or particular average claims.
Adjuster, Average X117. Marine Insurance Markets, Captives and Reinsurance: A professional who apportions general average and salvage between hull, cargo, and freight interests under York-Antwerp Rules.
Adjuster's Certificate X157. Marine Loss Adjusters, GA Practice, and Casualty Firms: Document issued by an average adjuster certifying the amount due in respect of a general average or particular average claim.
Adjustment X4. Marine Insurance, P&I and Claims: the calculation prepared by an average adjuster apportioning loss between interests.
ADM X103. US Inland Waterway Towing and Barge: Archer Daniels Midland, the agricultural processor whose ARTCO subsidiary operates one of the largest US grain barge fleets.
Administration X7. Flag State, Port State Control and Detention Vocabulary: Government of the State whose flag the ship is entitled to fly, per SOLAS and MARPOL definitions.
Administration of the Northern Sea Route X52. Polar Code, Arctic and Antarctic Shipping: Russian Federal State Budgetary Institution Glavsevmorput, the authority issuing NSR navigation permits and ice pilot assignments.
Administrative Authority X50. Ship Recycling, Demolition and Hong Kong Convention: The flag state office responsible for issuing the International Certificate on the Inventory of Hazardous Materials and the International Ready for Recycling Certificate.
Administrative Detention X66. Port State Control and Regional MOUs: Detention based on documentation or certification failures rather than physical deficiencies.
Administrative inquiry X163. Marine Accident Investigation Agencies and Landmark Inquiries: Non-judicial fact-finding process used by flag State maritime administrations to determine the circumstances of a casualty for safety purposes only.
Administrative investigation X12. Maritime Casualties and Investigation: Inquiry conducted by a maritime administration, distinct from a judicial or criminal proceeding.
Admirable-class X130. National Coast Guards and Cutter Fleets: Indian Coast Guard fast patrol vessels built by Goa Shipyard, used for EEZ surveillance and anti-piracy along the Arabian Sea.
Admiral Gorshkov class X11. Naval Vessels, Warship Systems and Naval Architecture: Russian Project 22350 frigate armed with Poliment-Redut and Tsirkon.
Admiral Gorshkov-class frigate X106. Naval Surface Combatants: Russian Project 22350 multi-role frigate of approximately 5,400 tons; lead ship Admiral Gorshkov commissioned 2018, followed by Admiral Kasatonov 2020.
Admiral Kuznetsov X11. Naval Vessels, Warship Systems and Naval Architecture: Russian Project 1143.5 STOBAR aircraft carrier commissioned 1990.
Admiral Makarov State University of Maritime and Inland Shipping X121. Maritime Education, Academies and Universities: Russian university in St Petersburg, founded 1876 as the Imperial School of Commercial Navigation, training deck officers, marine engineers and inland waterway specialists.
Admiral Nakhimov X106. Naval Surface Combatants: Kirov-class nuclear-powered battlecruiser undergoing extensive modernization at Sevmash since 1999.
Admiral Ushakov Maritime State University X121. Maritime Education, Academies and Universities: Russian maritime university in Novorossiysk on the Black Sea, founded 1975, providing STCW-compliant deck, engine and port management programs.
Admiral Yachts X125. Superyacht Industry, Builders and Brokers: The Italian Sea Group brand producing custom steel and aluminum yachts up to 80 m at La Spezia.
Admiral's Cup F4. Recreational Boating, Yachting and Sport: Royal Ocean Racing Club international team-keelboat series, dormant and revived.
Admiralty X73. Marine Hydrography, Charting and ENC: The UKHO trademarked brand under which UK official nautical charts and publications have been issued since 1795.
Admiralty ARCS X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS: Admiralty Raster Chart Service, a UKHO raster product based on scanned BA paper charts for use in RCDS mode.
Admiralty AVCS X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS: UKHO Admiralty Vector Chart Service, a worldwide ENC distribution covering over 18,000 official electronic charts.
Admiralty Board X39. Pre-1900 Maritime History: The British naval administration body that managed warship construction, manning, and operations from the seventeenth century.
Admiralty Chart D2. Hydrography, tides, waves, bathymetry and marine geology: Nautical chart issued by the UK Hydrographic Office.
Admiralty Chart 5011 X73. Marine Hydrography, Charting and ENC: The official UKHO booklet of symbols and abbreviations used on Admiralty paper charts.
ADMIRALTY Charts X129. Hydrographic Offices, Survey Vessels and Marine Cartography: UKHO paper and digital chart series covering global waters, distributed through certified ADMIRALTY chart agents and updated weekly by Notices to Mariners.
Admiralty coefficient B1. Naval Architecture: Empirical powering relation P = (D^(2/3) V^3)/C used for first-cut shaft-power estimates.
Admiralty Court X4. Marine Insurance, P&I and Claims: the Admiralty division of the English High Court hearing maritime claims in rem and in personam.
Admiralty Court (England and Wales) X51. Maritime Arbitration, Law and BIMCO Clauses: A specialist division of the King's Bench Division of the High Court hearing in rem and in personam maritime claims under the Senior Courts Act 1981.
Admiralty Court Rules X114. Maritime Arbitration and Shipping Law Firms: Procedural rules in CPR Part 61 and Practice Direction 61 governing admiralty proceedings in England and Wales.
Admiralty Digital Catalogue X73. Marine Hydrography, Charting and ENC: The electronic index of all Admiralty paper charts, ENCs, and publications, updated weekly.
Admiralty Digital List of Lights X73. Marine Hydrography, Charting and ENC: ADLL, the UKHO digital equivalent of the paper List of Lights and Fog Signals.
Admiralty Digital Publications X73. Marine Hydrography, Charting and ENC: ADP, the UKHO suite of electronic nautical publications including ADLL, ADRS, and e-NP.
ADMIRALTY Distance Tables (NP 350) X129. Hydrographic Offices, Survey Vessels and Marine Cartography: UKHO publication tabulating great-circle and rhumb-line distances between commercial ports, used for voyage planning and freight calculations.
Admiralty e-Navigator X73. Marine Hydrography, Charting and ENC: The UKHO desktop planning and chart management application for managing ENC and publication holdings.
Admiralty e-NP X73. Marine Hydrography, Charting and ENC: Electronic Nautical Publications, the UKHO PDF and software replacements for printed Sailing Directions, ALRS, and ALL.
Admiralty EasyTide X73. Marine Hydrography, Charting and ENC: The free UKHO online tidal prediction service for ports worldwide.
Admiralty Information Overlay X73. Marine Hydrography, Charting and ENC: AIO, an ENC overlay distributed by UKHO containing T&P NMs and ENC preliminary information.
Admiralty Information Overlay (AIO) X16. Nautical Science, Navigation and COLREGs: ENC overlay supplied by UKHO showing Temporary and Preliminary Notices and ENC Preliminary Notices.
Admiralty Jurisdiction A5. Maritime Law, private and commercial: Court jurisdiction over maritime claims, often in rem.
Admiralty List of Lights X23. AIS, GMDSS, IALA Buoyage and Aids to Navigation: UK Hydrographic Office publication NP74 to NP84 listing lights, fog signals and Racons worldwide.
Admiralty List of Lights and Fog Signals X73. Marine Hydrography, Charting and ENC: ALL, the eleven-volume UKHO publication listing maritime lights worldwide.
Admiralty List of Lights and Fog Signals (ALL) X16. Nautical Science, Navigation and COLREGs: UKHO publications NP74 to NP84, volumes A through L, listing lighted aids worldwide.
ADMIRALTY List of Lights and Fog Signals (NP 74 to NP 84) X129. Hydrographic Offices, Survey Vessels and Marine Cartography: Eleven-volume UKHO series listing characteristics, ranges, and structures of lit aids to navigation worldwide.
Admiralty List of Radio Signals X73. Marine Hydrography, Charting and ENC: ALRS, a UKHO publication in six volumes covering GMDSS, port operations, satellite, and meteorological radio services.
Admiralty List of Radio Signals (ALRS) X16. Nautical Science, Navigation and COLREGs: UKHO series NP281 to NP286 covering radio communications, satellite services, radio aids, meteorology, GMDSS and pilot services.
Admiralty Manual of Navigation X133. Polar Research Vessels and Polar Code Regimes: UK Hydrographic Office reference required on British polar vessels alongside the Polar Water Operational Manual.
Admiralty Manual of Seamanship X60. Marine Salvage and Wreck Removal: British naval reference historically consulted for ship handling and emergency response practices.
Admiralty Marshal X51. Maritime Arbitration, Law and BIMCO Clauses: The officer of the English Admiralty Court responsible for executing arrest warrants, taking custody of arrested property, and conducting judicial sales.
ADMIRALTY Nautical Publications (ANPs) X129. Hydrographic Offices, Survey Vessels and Marine Cartography: Digital editions of UKHO Sailing Directions, Lists of Lights, Lists of Radio Signals, Tide Tables, and Mariner's Handbook delivered via AVCS workflows.
Admiralty Notices to Mariners X73. Marine Hydrography, Charting and ENC: The weekly UKHO bulletin promulgating chart corrections to Admiralty charts and publications.
Admiralty Notices to Mariners (NTM) X16. Nautical Science, Navigation and COLREGs: Weekly UKHO bulletin promulgating chart and publication corrections.
Admiralty Pattern Anchor X173. Mooring, Anchoring, OCIMF MEG4, and Equipment Numeral: Traditional stocked anchor with a transverse stock at the crown that forces a fluke to bite, largely superseded on commercial ships but retained on small craft and as kedges.
Admiralty Practice Direction 61 X51. Maritime Arbitration, Law and BIMCO Clauses: The Civil Procedure Rules supplement governing in rem claims, arrest, caution against arrest, and judicial sales in the English Admiralty Court.
Admiralty Raster Chart Service X73. Marine Hydrography, Charting and ENC: ARCS, the UKHO raster equivalent of paper charts, encrypted for use in Type Approved systems.
Admiralty Sailing Directions X16. Nautical Science, Navigation and COLREGs: UKHO Pilots, NP1 to NP72, giving coastal descriptions and navigational information.
ADMIRALTY Sailing Directions (Pilots) X129. Hydrographic Offices, Survey Vessels and Marine Cartography: UKHO Pilot books NP 1 to NP 72 describing coastal features, port approaches, and navigational hazards for the world's oceans.
Admiralty Sailing Directions NP11 X27. Polar Code, Ice Navigation and Polar Operations: Arctic Pilot Volume 1; UKHO publication covering general remarks on Arctic navigation.
Admiralty Sailing Directions NP12 X27. Polar Code, Ice Navigation and Polar Operations: Arctic Pilot Volume 2; covers Greenland and Canadian Arctic waters.
Admiralty Sailing Directions NP13 X27. Polar Code, Ice Navigation and Polar Operations: Arctic Pilot Volume 3; covers eastern Arctic and Russian sectors.
Admiralty Shipyard X58. Shipbuilding Yards and Construction: Saint Petersburg yard within Russia's United Shipbuilding Corporation, building diesel-electric submarines and surface vessels.
Admiralty Solicitors Group X114. Maritime Arbitration and Shipping Law Firms: Network of London admiralty practitioners that publishes standard form Collision Jurisdiction and Salvage agreements.
Admiralty Surveyor X43. Marine Surveying and Warranty Surveying: An older British term for a government-appointed surveyor of merchant shipping, the role now largely held by the Maritime and Coastguard Agency.
Admiralty Tide Tables X73. Marine Hydrography, Charting and ENC: ATT, the four-volume UKHO publication of daily tidal predictions for standard and secondary ports.
Admiralty Tide Tables (ATT) X16. Nautical Science, Navigation and COLREGs: UKHO publications NP201 to NP204 giving tidal predictions worldwide.
Admiralty TotalTide X73. Marine Hydrography, Charting and ENC: ATT software providing seven-day tidal height and stream predictions for over 7,000 ports.
Admiralty Vector Chart Service X73. Marine Hydrography, Charting and ENC: AVCS, the official UKHO worldwide ENC distribution service covering virtually all commercial routes.
ADMIRALTY Vector Chart Service (AVCS) X129. Hydrographic Offices, Survey Vessels and Marine Cartography: UKHO official ENC distribution service holding more than 17,000 charts from 70 producing nations, sold by license through chart agents.
Admiralty Yard X113. Drydock and Ship Repair Yards: Former Sembcorp Marine site in Singapore at Sembawang, integrated into Seatrium after the 2023 merger with Keppel Offshore & Marine.
Admissibility of safety investigation evidence X163. Marine Accident Investigation Agencies and Landmark Inquiries: Question of whether material gathered under the no-blame Casualty Investigation Code regime may be used in subsequent civil, criminal, or disciplinary proceedings.
ADN X33. Inland Navigation and Barge Operations: Accord europeen relatif au transport international des marchandises Dangereuses par voies de Navigation interieures, concluded 2000, in force 28 February 2008, governing dangerous goods on inland…
ADN Agreement X33. Inland Navigation and Barge Operations: UNECE-administered treaty applying to international inland waterway carriage of dangerous goods in Europe.
ADN Certificate of Approval X33. Inland Navigation and Barge Operations: Vessel certificate confirming compliance with ADN construction and equipment rules for tankers and dry cargo vessels.
ADN Expert Certificate X33. Inland Navigation and Barge Operations: Personal certificate for ADN expert, gas expert, or chemical expert required on dangerous goods vessels.
ADNOC Bunker Sales Desk X72. Bunkering Hubs and Bunker Suppliers: Trading desk inside ADNOC Logistics and Services that quotes ex wharf and delivered bunker prices at Fujairah, Jebel Dhanna, and Ruwais.
ADNOC Distribution Marine X72. Bunkering Hubs and Bunker Suppliers: Retail marine fuels arm of ADNOC Distribution serving small craft and offshore support vessels in UAE waters.
Adnoc Fertilisers Blue Ammonia X140. Ammonia as Marine Fuel and Hydrogen Shipping: Abu Dhabi National Oil Company subsidiary that produced the first certified blue ammonia cargo from Ruwais in 2021 for delivery to Japan's Itochu.
ADNOC L&S Vetting X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA: The ship vetting function operated by ADNOC Logistics and Services for crude, product, LNG, and LPG carriers calling Abu Dhabi terminals.
ADNOC Logistics and Services X72. Bunkering Hubs and Bunker Suppliers: Abu Dhabi based shipping subsidiary of ADNOC operating bunker barges and the Fujairah supply chain since the 2022 IPO.
ADNOC Marine Gasoil X72. Bunkering Hubs and Bunker Suppliers: Distillate grade lifted from ADNOC Ruwais refinery and delivered into Fujairah and Khor Fakkan anchorages.
ADNOC Refining Ruwais X72. Bunkering Hubs and Bunker Suppliers: Refining complex supplying low sulfur fuel oil and gasoil into the Fujairah bunker market.
ADNOC VLSFO X72. Bunkering Hubs and Bunker Suppliers: Very low sulfur fuel oil grade marketed by ADNOC at Fujairah anchorage since the IMO 2020 sulfur cap entered force.
ADNR X33. Inland Navigation and Barge Operations: Reglement pour le transport de matieres dangereuses sur le Rhin, the historical Rhine-specific dangerous goods regime superseded for international traffic by ADN.
ADOMS X98. Ship Registries and Flag States: Antigua and Barbuda Department of Marine Services and Merchant Shipping, the country's flag administration.
Adopted Text Date X50. Ship Recycling, Demolition and Hong Kong Convention: 15 May 2009, the date the Hong Kong International Convention for the Safe and Environmentally Sound Recycling of Ships was adopted by the IMO diplomatic conference in Hong Kong, China.
Adoption A1. The IMO and the international regulatory framework: Formal act by which an IMO body settles the final text of an instrument or amendment.
Adoption Date X158. IMO Conventions, Protocols, Codes, and Resolutions: The formal date on which a diplomatic conference or IMO governing body votes to accept the final text of an instrument, distinct from entry into force.
Adoption Date (MARPOL) X171. MARPOL 73/78: Annex-by-Annex Detailed Glossary: The date the International Convention for the Prevention of Pollution from Ships was adopted, namely 2 November 1973, later modified by the Protocol of 17 February 1978.
Adossat Wharf X164. Cruise Industry, Brands, Ship Classes, and Terminals: The principal cruise berth at the Port of Barcelona, hosting Moll Adossat terminals A through E used by major lines including MSC, Royal Caribbean, and Norwegian.
ADR X6. Container, Intermodal and Trade Codes: European Agreement concerning the International Carriage of Dangerous Goods by Road.
ADR Maritime X114. Maritime Arbitration and Shipping Law Firms: Alternative Dispute Resolution mechanisms adapted to shipping disputes, including expert determination and mediation under LMAA Mediation Terms.
Adrenaline auto-injector (EpiPen) X36. Shipboard Medical, Telemedicine and Seafarer Health: 0.3 mg IM device for anaphylaxis carried in Category A and B ships' chests.
Adria Ferries X132. High-Speed Craft, Hydrofoils and Ferry Operators: Italian operator headquartered in Ancona, running conventional ro-pax services between Italy and Albania, including Ancona to Durres.
Adriano Knutsen X134. LNG and LPG Carrier Operators and Containment Systems: Conventional LNG carrier of 173,400 m3 delivered 2013 by Hyundai Samho for Knutsen OAS Shipping, Spanish flag.
Adriatic cruising ground X35. Yacht and Superyacht Industry: Croatian and Montenegrin coast (Dubrovnik, Hvar, Korcula, Kotor) popular for summer charter.
Adriatic Demersal Trawl Fleet X87. Fishing Vessels and Fisheries Management: Italian and Croatian otter trawlers operating under GFCM management measures in GSA 17 and GSA 18.
Adriatic LNG X56. LNG/LPG Carriers and IGC Code: Offshore gravity-based-structure regasification terminal in the northern Adriatic Sea off Porto Levante, Italy, commissioned in 2009 and operated by Terminale GNL Adriatico.
Adriatic LNG Terminal X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines: Offshore gravity-based LNG regasification terminal off Porto Levante, Italy, connected to the national grid by a submarine pipeline.
Adriatic Sea X10. Marine Biology, Fisheries and Oceanography: Arm of the Mediterranean between Italy and the Balkan Peninsula.
Adrift F5. The Reference Layer: Glossary, Units, Signals and Information Sources: Floating without control.
ADS-B X89. ECDIS and Bridge Equipment Makers: Automatic Dependent Surveillance Broadcast, an aviation transponder protocol referenced in maritime drone and uncrewed surface vessel integration discussions.
Adsorbed Moisture X1. Cargo Science, Commodities and Cargo Care: Surface moisture on cargo particles, relevant to TML and caking behavior.
Adsorption X126. Marine Oil Spill Response and OPRC Regimes: Adhesion of oil molecules to a solid surface, the mechanism by which oleophilic skimmer discs and brushes recover oil from water.
Adsteam Marine X137. Harbour Tugs, Towage Operators and Tug Builders: Former Australian towage major acquired by Svitzer in 2007, which doubled Svitzer's global footprint overnight.
Advance X3. Ship Handling, Seamanship and Deck Vocabulary: Distance a turning ship makes good in the direction of her original course, measured from the moment the helm is put over.
Advance and allotment C2. Ship operations, crewing and technical management: Crew wage payments to family members or accounts.
Advance Call X108. Marine Insurance and P&I Clubs: The initial premium contribution set by a P&I club's underwriting committee at policy inception, payable by the member shipowner for the upcoming policy year.
Advance Cargo Survey X43. Marine Surveying and Warranty Surveying: A pre-loading inspection arranged by shippers, traders, or insurers to confirm cargo quality, packaging, and quantity before it leaves the supplier's premises.
Advance coefficient J X38. Propellers, Stern Gear and Shaft Lines: Non-dimensional propeller parameter J = Va / (n D), where Va is speed of advance, n is shaft rate, and D is diameter.
Advance freight C1. Commercial shipping, chartering, economics and finance: Freight paid before cargo delivery, typically on shipment.
Advance Funding Request X86. Port Agency, Husbandry and Disbursement: Agent's request to the principal for prepayment covering anticipated port expenses.
Advance Notice of Arrival X86. Port Agency, Husbandry and Disbursement: Communication to port authorities transmitted by the agent within statutory windows before vessel arrival.
Advance Notice of Arrival (ANOA) E1. Maritime security, geopolitics and risk: USCG-required pre-arrival report (96-hour rule) for vessels entering US ports.
Advance Notice of Recycling X50. Ship Recycling, Demolition and Hong Kong Convention: The formal communication from the shipowner to the flag administration and the recycling state competent authority before commencement of dismantling under EU SRR Article 9.
Advance Notification X66. Port State Control and Regional MOUs: Pre-arrival information transmitted to PSC authority for expanded inspection targeting under Paris MOU.
Advance Notification (EU SRR) X118. Ship Recycling Yards, Beaches and Regulation: Article 6(1)(b) requirement that an EU-flagged owner notify the competent authority in writing before sending a ship for recycling.
Advance Notification of Arrival X7. Flag State, Port State Control and Detention Vocabulary: Pre-arrival declaration submitted to PSC authorities, typically 24 to 72 hours before port entry.
Advance Notification Window X40. Tanker Vetting, SIRE and VIQ: The interval between an inspection request being raised on the SIRE platform and the inspector arriving on board, used by operators to prepare records and crew.
Advance Order of Movement X103. US Inland Waterway Towing and Barge: A scheduling notice filed with a lock master indicating the expected arrival, tow configuration and locking sequence of an approaching towboat.
Advance Provisioning Allowance (APA) X156. Superyacht Industry, Builders, and Yacht Charter Market: Sum, typically 25 to 35 percent of the charter fee, paid in advance by the charterer to the captain to cover fuel, food, dockage, and other voyage expenses under MYBA terms.
Advance ratio X38. Propellers, Stern Gear and Shaft Lines: Synonym for J used in open-water diagrams and Wageningen B-series polynomials.
Advance ratio J X162. Naval Architecture, Stability, Resistance, and Structural Design: Non-dimensional propeller operating parameter defined as J equals VA divided by (n times D), where VA is the speed of advance, n is revolutions per second, and D is propeller diameter.
Advance Salvage Award X60. Marine Salvage and Wreck Removal: Interim payment to a salvor pending final arbitration of a Lloyd's Open Form claim.
Advanced Calculation Method X9. Cargo Securing, Lashing and Stability Vocabulary: CSS Annex 13 method using balance of forces and moments for non-standardized cargo.
Advanced Chemical Tanker Training X55. Marine Simulators, Training and Maritime Academies: STCW Regulation V/1-1 course addressing IBC Code cargoes, compatibility, and parcel-tanker operations.
Advanced Driver Awareness System X109. Maritime Autonomous Surface Ships and MASS Code: A generic class of bridge alerting products that combine radar, AIS, and camera tracks to flag developing close-quarters situations.
Advanced Fire Fighting X21. STCW Certificates, Crewing and Seafarer Welfare: AFF, STCW Regulation VI/3 course required for officers and personnel designated to control firefighting operations.
Advanced Fire Fighting (AFF) X160. Maritime Academies, Universities, and STCW Certification: STCW A-VI/3 endorsement covering organization and command of fire fighting operations on board and refresher requirements every five years.
Advanced IGF Code Training X55. Marine Simulators, Training and Maritime Academies: STCW Regulation V/3 course for officers serving on ships using gases or low-flashpoint fuels, covering bunkering, gas-management, and emergency response.
Advanced Liquefied Gas Tanker Training X55. Marine Simulators, Training and Maritime Academies: STCW Regulation V/1-2 course for masters, officers, and ratings with specific responsibilities on LNG and LPG carriers.
Advanced Marine Engineering Officer Course X160. Maritime Academies, Universities, and STCW Certification: Pre-sea or post-sea program leading to certification as second engineer or chief engineer under A-III/2.
Advanced Oil Tanker Training X55. Marine Simulators, Training and Maritime Academies: STCW Regulation V/1-1 course covering crude and product tanker cargo operations, inert gas systems, and tank cleaning.
Advanced Persistent Threat X48. Maritime Cybersecurity: Well resourced adversary, often state aligned, that maintains long term covert access to shipping company networks for espionage or pre positioning.
Advanced Persistent Threat (APT) X25. Maritime Cybersecurity, OT and IT: Well resourced threat actor, often state aligned, that maintains long term covert access to a target network.
Advanced Polar Code Training X55. Marine Simulators, Training and Maritime Academies: STCW Regulation V/4 course required for masters and chief mates on ships operating in polar waters under the Polar Code.
Advanced Rescue Training X59. Offshore Wind O&M, CTVs and SOVs: GWO ATR module qualifying wind technicians to perform vertical and confined space rescues from hub, nacelle, tower, and blade locations.
AdvanFort X74. AIS Data, Vessel Tracking and Maritime Intelligence: Maritime security firm that historically integrated AIS feeds into armed escort coordination.
Advection D1. Physical and chemical oceanography and marine meteorology: Horizontal transport of a water property by ocean currents.
Advection fog X16. Nautical Science, Navigation and COLREGs: Fog formed when warm moist air moves over a colder surface.
Advection of Heat (Cryosphere) D5. Coastal processes, sea-level, cryosphere and ocean observation science: Ocean heat transport melting ice shelves.
Adventitious Water X5. Marine Surveying and Inspection: Free water present in cargo from sources other than the cargo itself.
Adventure X4. Marine Insurance, P&I and Claims: the marine adventure within section 3 of the Marine Insurance Act 1906.
Adventure (Brixham) X128. Sail Training Ships and Tall Ship Associations: Although primarily a Gloucester schooner, the name Adventure recurs in sail training; the Brixham sailing trawler Adventure was used for youth voyages along the English Channel.
Adventuress X128. Sail Training Ships and Tall Ship Associations: 1913 gaff schooner built in East Boothbay Maine, 41 m sparred length, owned by Sound Experience of Port Townsend Washington, US National Historic Landmark, runs Puget Sound youth programs.
Adversarial system X152. Maritime Arbitration and Dispute Resolution: Procedural model dominant in common law maritime arbitration where parties drive evidence gathering and the tribunal sits as a neutral umpire.
Adversary Emulation X25. Maritime Cybersecurity, OT and IT: Red team exercise that imitates a specific threat actor's known tactics, techniques and procedures.
Advisor status X32. Marine Pilotage and Pilot Operations: Legal characterization of the pilot's role under most jurisdictions, providing navigational advice while the master retains command.
Advisory X139. Maritime Cybersecurity, OT Threats and Standards: Non-binding circular issued by IMO, flag states, or class societies; MSC-FAL.1/Circ.3 is the principal maritime cyber advisory.
Advisory (OFAC Maritime, May 14 2020) X151. Maritime Sanctions, Dark Fleet, and Price Cap Regimes: The U.S. Treasury guidance titled "Sanctions Advisory for the Maritime Industry, Energy and Metals Sectors, and Related Communities" which catalogued seven deceptive shipping practices and…
Advisory Committee on Pollution of the Sea (ACOPS) X99. Marine Salvage Awards and SCOPIC: Independent body historically consulted on salvage and pollution policy in the United Kingdom.
Advisory Opinion A1. The IMO and the international regulatory framework: Non-binding legal opinion that may be sought from ITLOS on questions referred under treaty provisions.
Advisory pilot X32. Marine Pilotage and Pilot Operations: Pilot whose function is solely to advise the master, common in US federal pilotage and PEC waters.
Advokatfirmaet Wikborg Rein X114. Maritime Arbitration and Shipping Law Firms: Norwegian law firm with a leading shipping practice in Oslo, Bergen, London, Singapore, and Shanghai.
AE X19. Engine Room Watchkeeping and UMS Operations: Auxiliary engine, the medium speed diesel driving a ship's electrical generator.
AE Sensor Pico X96. Hull Integrity Monitoring and Strain Gauges: Compact piezoelectric acoustic emission transducer in the Mistras Group sensor family used for localized monitoring.
AE Sensor R15a X96. Hull Integrity Monitoring and Strain Gauges: Resonant 150 kHz piezoelectric acoustic emission sensor from Mistras Group widely used in structural integrity monitoring.
AE Sensor R30a X96. Hull Integrity Monitoring and Strain Gauges: Resonant 300 kHz piezoelectric acoustic emission sensor from Mistras Group used where higher frequency content is required.
AECC X57. Ocean Energy Beyond Wind: Aberdeen Energy and Climate Change cluster, an industrial grouping in northeast Scotland focused on energy transition projects including CCS and offshore hydrogen.
AECO X97. Polar Expedition Cruise and IAATO Operations: Association of Arctic Expedition Cruise Operators, founded 2003 in Norway as the Arctic counterpart to IAATO with 80+ member operators.
AECO Guidelines X97. Polar Expedition Cruise and IAATO Operations: Mandatory operating procedures for member vessels covering wildlife distance, community visits, biosecurity, and cultural heritage in the Arctic.
AECO Member X97. Polar Expedition Cruise and IAATO Operations: Tour operator that has signed AECO bylaws and agreed to follow site-specific guidelines across Svalbard, Greenland, and other Arctic regions.
AECO Observer Scheme X97. Polar Expedition Cruise and IAATO Operations: Independent observer program embedded on member vessels to audit compliance with AECO operational guidelines.
AECO Site Guidelines X97. Polar Expedition Cruise and IAATO Operations: Location-specific landing protocols published by AECO for sensitive Arctic sites in Svalbard, Greenland, and Jan Mayen.
AED (Automated External Defibrillator) X36. Shipboard Medical, Telemedicine and Seafarer Health: Portable defibrillator with adult and pediatric pad sets recommended for all merchant ships and required on cruise ships.
Aegean cruising ground X35. Yacht and Superyacht Industry: Greek-island circuit through the Cyclades (Mykonos, Santorini, Paros) and Dodecanese.
Aegean Marine Petroleum Network X72. Bunkering Hubs and Bunker Suppliers: Greek bunker supplier that filed Chapter 11 in November 2018 following an accounting fraud disclosure and was subsequently acquired by Mercuria.
Aegean Sea X10. Marine Biology, Fisheries and Oceanography: Embayment of the Mediterranean between Greece and Turkey.
Aegean Shipbreaking Zone X118. Ship Recycling Yards, Beaches and Regulation: Informal designation for the Aliaga industrial coast in Izmir Province, Turkey, where roughly 22 licensed recycling plots operate north of Foca.
Aegean Speed Lines X132. High-Speed Craft, Hydrofoils and Ferry Operators: Greek high-speed operator (defunct 2015) that ran Speedrunner monohull HSCs from Piraeus to the Western Cyclades.
Aegean University Department of Shipping X121. Maritime Education, Academies and Universities: Greek faculty at Chios within the University of the Aegean, founded 1998, offering Shipping, Trade and Transport bachelor and master degrees.
Aegir X39. Pre-1900 Maritime History: In Old Norse seafaring tradition, the giant personifying the sea, invoked by Viking mariners.
Aegir Marine X100. Marine Cathodic Protection and Anodes: A Netherlands-based supplier of cathodic protection hardware, sterntube seals, and propulsion services to merchant and offshore vessels.
Aegir Wave Power X57. Ocean Energy Beyond Wind: Joint venture formed in Shetland by Pelamis Wave Power and Vattenfall to develop a wave farm prior to Pelamis going into administration.
Aegis Ashore X11. Naval Vessels, Warship Systems and Naval Architecture: Land-based variant deployed in Romania and Poland for European missile defense.
AEGIS Ballistic Missile Defense (BMD) E2. Naval, defence and maritime law enforcement: Sea-based missile defense capability.
AEGIS Baseline 10 X62. Naval Warships and Combat Systems: AEGIS computer program designed for the SPY-6 radar and Arleigh Burke Flight III destroyers.
AEGIS Baseline 9 X62. Naval Warships and Combat Systems: Combat system version introducing Integrated Air and Missile Defense capability with simultaneous anti-air warfare and ballistic missile defense.
Aegis BMD X11. Naval Vessels, Warship Systems and Naval Architecture: Ballistic missile defense variant of Aegis using SM-3 interceptors.
Aegis Combat System E1. Maritime security, geopolitics and risk: Although naval, integrates with maritime domain awareness picture for high-end threats.
Aegis Defence Services X127. Maritime Security, Anti-Piracy and PMSCs: UK PMSC founded 2002 by Tim Spicer, acquired by GardaWorld in 2015, historically active in maritime escort tasks.
AEO C3. Logistics, freight forwarding and multimodal trade: Authorised Economic Operator under EU and WCO frameworks.
Aeolus X42. Offshore Wind Installation and Cable Lay: Jack-up installation vessel owned by Van Oord, used widely for monopile and turbine installation across European offshore wind farms.
AEP X59. Offshore Wind O&M, CTVs and SOVs: Annual energy production, the total electrical energy a wind turbine or wind farm delivers to the grid in a calendar year, expressed in megawatt hours or gigawatt hours.
AER X112. IMO GHG Strategy, CII, EEXI and EU Maritime Regulation: Annual Efficiency Ratio expressed in grams of CO2 per deadweight-ton-nautical-mile, the default carbon intensity metric used for CII rating under MEPC.336(76).
AER (Annual Efficiency Ratio) D6. Decarbonization, emissions and alternative fuels: Carbon intensity metric used in early shipping efficiency reporting.
Aerating X20. LNG Operations and Custody Transfer: Replacing inert gas in a cargo tank with air to permit safe human entry, after gas freeing reduces hydrocarbon content below LFL.
Aeration X1. Cargo Science, Commodities and Cargo Care: Forced air movement through cargo to control temperature, gas, or moisture.
Aeration Allowance X115. Marine Bunker and Cargo Surveying: Quantitative correction applied during quantity surveys to account for entrained air in residual fuel that inflates volumetric readings without adding mass.
Aeration Tank X63. Marine Auxiliary Machinery and Pumps: Compartment in a biological sewage treatment plant where activated sludge is mixed with diffused or mechanically supplied air.
Aeration vent X26. Reefer Containers and Cold Chain Logistics: Adjustable fresh-air opening on reefer container for respiring cargo gas exchange.
Aerial Application X126. Marine Oil Spill Response and OPRC Regimes: Dispersant spraying from fixed-wing aircraft such as the Oil Spill Response Limited Boeing 727 fleet or US Coast Guard ADDS-Pack equipped C-130s.
Aerial Datum X80. Maritime Search and Rescue Coordination: Reference point used by SAR aircraft to commence a search pattern.
Aerial Dispersant Spraying X60. Marine Salvage and Wreck Removal: Application of oil spill dispersants from fixed wing aircraft or helicopters over offshore slicks.
Aerial pilot transfer X32. Marine Pilotage and Pilot Operations: Helicopter transfer of pilots to and from vessels in lieu of pilot boat boarding.
Aerial Surveillance X126. Marine Oil Spill Response and OPRC Regimes: Use of fixed-wing aircraft, helicopters, or UAVs equipped with SLAR, IR/UV scanners, and cameras to map slicks under EMSA CleanSeaNet or Bonn Agreement programs.
Aerial Survey X104. Project Cargo Forwarders and Heavy Transport: Drone or helicopter inspection of a haul route or jetty before a major project move.
Aero light B3. Nautical Science: Aeronautical light reported on charts.
Aero-Maritime Surveillance Division X130. National Coast Guards and Cutter Fleets: Philippine Coast Guard air wing operating BN-2 Islander, Bo-105 and AW109 helicopters out of Sangley Point.
Aerobic treatment X18. Ballast Water, Biofouling and Antifouling: Treatment relying on dissolved oxygen, generally not used for ballast water disinfection because BWMS often deoxygenate water.
Aerodynamic balance X59. Offshore Wind O&M, CTVs and SOVs: Condition in which a turbine rotor produces equal lift across each blade, monitored during O&M to detect pitch misalignment.
Aeromedical evacuation X36. Shipboard Medical, Telemedicine and Seafarer Health: Fixed-wing or rotary-wing transfer of a sick or injured seafarer to definitive care ashore.
Aerosol can repair X45. Marine Paints, Coatings and Antifouling: Touch-up paint supplied in pressurized cans for spot repair of small damage on accommodation and deck areas.
Aerosol Canisters X50. Ship Recycling, Demolition and Hong Kong Convention: Pressurized stores aboard the ship that must be inventoried in IHM Part III and segregated for safe disposal at the recycling facility.
Aerosol Dispenser X172. IMDG Code: Classes, Divisions, Segregation, and Key UN Numbers: A non-refillable receptacle meeting 6.2.4 requirements, distinguished from gas cartridges UN 2037 by design.
Aerosol Optical Depth (AOD) D1. Physical and chemical oceanography and marine meteorology: Measure of aerosols distributed within a vertical column of the atmosphere.
Aerosol Optical Thickness (Ocean Color) D5. Coastal processes, sea-level, cryosphere and ocean observation science: Atmospheric correction parameter in ocean color retrievals.
Aerosols X75. IMDG Code, Classes, Packing and Segregation: UN 1950, Class 2 articles regulated under IMDG with specific pressure and capacity limits per packaging.
Aerosols UN 1950 X172. IMDG Code: Classes, Divisions, Segregation, and Key UN Numbers: Non-refillable receptacles containing compressed, liquefied, or dissolved gas with or without a liquid, paste, or powder, assigned to Class 2 with subsidiary risks based on contents.
AES (Aircraft Earth Station) X68. Maritime Satcom and Telecommunications: Inmarsat terminal class historically used in aviation but referenced in shared maritime ground infrastructure.
AES-256 X107. Maritime Cybersecurity and OT Security: Advanced Encryption Standard with 256-bit key, used to encrypt shipboard data at rest and in transit.
AESA X11. Naval Vessels, Warship Systems and Naval Architecture: Active electronically scanned array radar with transmit/receive modules per element.
AET Tankers X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA: A major Malaysian VLCC and Aframax owner whose fleet is regularly screened by oil major vetting departments.
AET Tankers Ammonia Dual-Fuel Aframax X140. Ammonia as Marine Fuel and Hydrogen Shipping: 2024 newbuild order placed by AET with Samsung Heavy for delivery in 2026, fitted with MAN B and W ME-LGIA engine.
AET Tankers ammonia order X90. Marine Engine Specific Model Enumeration: Initial fleet commitment placed with WinGD for X72DF-A two-stroke ammonia dual-fuel main engines for Aframax tanker newbuildings.
AEW X11. Naval Vessels, Warship Systems and Naval Architecture: Airborne early warning capability, embarked as E-2 Hawkeye on CATOBAR carriers.
AFAM+ X70. Reefer Containers and Cold Chain Shipping: Maersk Container Industry active fresh air management system that automates ventilation rate based on carbon dioxide buildup inside a reefer container.
AFB Marine Hull Wording X117. Marine Insurance Markets, Captives and Reinsurance: The Antwerp Marine Hull form used in the continental European hull market as an alternative to Institute Time Clauses Hulls.
AFC (antifouling coating) X45. Marine Paints, Coatings and Antifouling: Generic abbreviation for antifouling coating systems.
AFC Fully Automatic Combustion X174. Marine Engine Maintenance, Overhaul, and Condition Monitoring: Aalborg burner control concept enabling unattended boiler operation with continuous flame monitoring and fuel-air ratio trim.
AFCAN Congress X119. Maritime Conferences, Trade Shows and Awards: Annual gathering of the French Association of Ship Captains (Association Francaise des Capitaines de Navires), held in Paris since 1989.
AFEDO X126. Marine Oil Spill Response and OPRC Regimes: French Association des Fournisseurs d'Equipements de Depollution, a trade body of pollution response equipment suppliers.
AFF X21. STCW Certificates, Crewing and Seafarer Welfare: Advanced Fire Fighting, STCW Table A-VI/3 competence in commanding fire parties and tactics.
AFFF X31. Helicopter Operations on Ships: Aqueous Film Forming Foam, the primary fire-fighting agent for helideck deluge systems, typically 6% concentrate.
AFFF compatible coating X45. Marine Paints, Coatings and Antifouling: Tank lining suitable for service with aqueous film-forming foam concentrates in firefighting tanks.
Affinity Research X29. Ship Sale and Purchase, Management Contracts and Valuation: London shipbroker and research firm publishing valuations and reports.
Affinity Shipping X44. Shipping Indices, FFAs and Freight Markets: London-based shipbroker active in wet, dry, and FFA broking and a recognized panellist on several Baltic Exchange route assessments.
Affinity Shipping LLP X29. Ship Sale and Purchase, Management Contracts and Valuation: Tanker and dry bulk broker and consultancy.
Affinity Tankers X71. Shipbrokers and Brokerage Firms: Tanker desk of Affinity Shipping LLP covering crude, clean, and dirty product chartering.
Affirmation (oath alternative) X152. Maritime Arbitration and Dispute Resolution: Solemn non-religious declaration to tell the truth, used interchangeably with an oath when a witness gives evidence in maritime arbitration.
Affreightment A5. Maritime Law, private and commercial: Contract for the carriage of goods by sea.
Affreightment Contract X51. Maritime Arbitration, Law and BIMCO Clauses: An agreement by which a carrier undertakes to transport goods by sea for freight, embracing both charterparties and bills of lading.
Affreightment Contract Notice X86. Port Agency, Husbandry and Disbursement: Notification by agent that a vessel call is performed under a contract of affreightment rather than spot charter.
Affreightment Survey X43. Marine Surveying and Warranty Surveying: An inspection carried out under a contract of affreightment to verify that vessel and cargo comply with the agreed commercial and technical terms.