Glossary
Maritime glossary, terms beginning with A (page 9)
All maritime glossary terms that begin with the letter A, drawn from every subject section. 3739 entries.
Showing 250 of 3739 terms (page 9 of 15).
- AN/SPY-1D X11. Naval Vessels, Warship Systems and Naval Architecture
- Single deckhouse variant for Arleigh Burke DDGs Flight I/II.
- AN/SPY-1D(V) X11. Naval Vessels, Warship Systems and Naval Architecture
- Littoral upgrade with improved low-altitude performance for Flight IIA.
- AN/SPY-6 X62. Naval Warships and Combat Systems
- Raytheon active electronically scanned array radar fitted on Arleigh Burke Flight III destroyers and Constellation-class frigates.
- AN/SPY-6(V) X11. Naval Vessels, Warship Systems and Naval Architecture
- Air and Missile Defense Radar (AMDR), GaN-based AESA on DDG Flight III and Ford CVN.
- AN/SQQ-89 X11. Naval Vessels, Warship Systems and Naval Architecture
- Integrated undersea warfare combat system on USN surface combatants.
- AN/SQS-53 X11. Naval Vessels, Warship Systems and Naval Architecture
- Hull-mounted active/passive low-frequency sonar on Ticonderoga and Arleigh Burke.
- AN/SSQ-53 X11. Naval Vessels, Warship Systems and Naval Architecture
- DIFAR passive directional sonobuoy.
- AN/SSQ-62 X11. Naval Vessels, Warship Systems and Naval Architecture
- DICASS active directional sonobuoy.
- Anabatic wind X16. Nautical Science, Navigation and COLREGs
- Upslope wind caused by daytime heating.
- Anac Marine X174. Marine Engine Maintenance, Overhaul, and Condition Monitoring
- TotalEnergies lube oil condition monitoring laboratory service providing trend analysis for system oil and cylinder drain oil samples.
- Anaconda Cargo Handling System X81. Project Cargo, Heavy-Lift and Module Carriers
- BBC Chartering's twin-crane synchronized tandem-lift control system for heavy modules.
- Anacortes X85. Ferries, Ro-Pax Operators and Routes
- Washington State Ferries terminal serving the San Juan Islands and historically Sidney, British Columbia.
- Anadromous X10. Marine Biology, Fisheries and Oceanography
- Life history in which fish spawn in fresh water but mature at sea, as in salmon.
- Anaerobic conditions X18. Ballast Water, Biofouling and Antifouling
- Oxygen-depleted conditions inside ballast tanks created by deoxygenation BWMS such as inert gas injection.
- Anaerobic digestion X34. Decarbonization, Alternative Fuels and Carbon Pricing
- Biological process producing biogas (CH4 + CO2) upgradable to bio-LNG.
- Anaerobic Treatment X63. Marine Auxiliary Machinery and Pumps
- Sewage process operating without free oxygen, sometimes used in retention or holding tanks.
- Analog-to-Digital Converter X96. Hull Integrity Monitoring and Strain Gauges
- Component within a strain interrogator or data acquisition unit that digitizes conditioned analog signals for processing and logging.
- Analox X82. Saturation Diving and Offshore Diving Operations
- UK manufacturer of gas analysis instrumentation used in saturation systems.
- Analox DR 800 X82. Saturation Diving and Offshore Diving Operations
- Diver gas reclaim analyzer monitoring oxygen and carbon dioxide.
- Analysis section X163. Marine Accident Investigation Agencies and Landmark Inquiries
- Part of a marine safety investigation report that examines the factual information to identify the contributing factors and underlying causes of the casualty.
- Analyzer Calibration Gas X82. Saturation Diving and Offshore Diving Operations
- Certified gas mixture used to span and zero analyzers.
- Ananian-Cooper X114. Maritime Arbitration and Shipping Law Firms
- Maritime barrister practising from London commercial chambers in shipping arbitration matters.
- Anaphylaxis kit X36. Shipboard Medical, Telemedicine and Seafarer Health
- Adrenaline, antihistamine, hydrocortisone, oxygen, and airway adjuncts grouped for rapid access.
- Anchor X3. Ship Handling, Seamanship and Deck Vocabulary
- Heavy device dropped on a cable to hold the ship to the seabed.
- Anchor and Chain X66. Port State Control and Regional MOUs
- Inspection items under 02000 structural conditions and 10000 safety of navigation.
- Anchor and Chain Recovery X50. Ship Recycling, Demolition and Hong Kong Convention
- The unshackling and removal of bower anchors and stud-link chain cable for resale as marine equipment rather than scrap.
- Anchor ball X3. Ship Handling, Seamanship and Deck Vocabulary
- Black ball hoisted forward to indicate the vessel is at anchor.
- Anchor barge X124. Dredging Industry and Reclamation Contractors
- Pontoon equipped with crane and winches that lays and shifts the eight to fourteen anchors typical of a large CSD.
- Anchor bend X3. Ship Handling, Seamanship and Deck Vocabulary
- Knot for securing a rope to the ring of an anchor.
- Anchor berth X15. Ports, Terminals and Stevedoring
- designated anchorage position assigned by port control.
- Anchor buoy X3. Ship Handling, Seamanship and Deck Vocabulary
- Small buoy attached by a tripping line to mark the anchor's position.
- Anchor cable X3. Ship Handling, Seamanship and Deck Vocabulary
- Chain or rope connecting the anchor to the vessel.
- Anchor Cable Survey X5. Marine Surveying and Inspection
- Class inspection of anchor chain links, shackles, and joining components.
- Anchor chain X3. Ship Handling, Seamanship and Deck Vocabulary
- Stud-link chain used between anchor and ship.
- Anchor Chain Cable X28. Ship Recycling and End-of-Life
- Recovered ferrous item sold by length and grade after detachment from windlass.
- Anchor Chain Recovery X118. Ship Recycling Yards, Beaches and Regulation
- Recovered windlass chain and stockless anchors sold separately as second-hand marine outfitting, a recognized revenue line at Alang.
- Anchor Chaser X14. Offshore Oil and Gas Marine Operations
- Grapnel-like device dragged to recover lost anchor pendant wires.
- Anchor Crown X173. Mooring, Anchoring, OCIMF MEG4, and Equipment Numeral
- Lowermost part of an anchor where the shank meets the arms and where the tripping ring or anchor buoy is attached.
- Anchor Drop Test X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines
- Trial in which an anchor is intentionally dropped on a cable protection system to verify impact resistance during cable engineering qualification.
- Anchor Equipment Number X54. Naval Architecture Software and IACS Rules
- Dimensionless number defined by IACS UR A1 governing the size and number of anchors, chain cable, and mooring lines.
- Anchor Handling X13. Marine Salvage and Wreck Removal
- Deployment and recovery of ground tackle, beach gear, and mooring spreads.
- Anchor Handling Survey X43. Marine Surveying and Warranty Surveying
- An inspection of the rigging, winches, and deck arrangements of an anchor handling tug supply vessel prior to a mooring deployment campaign.
- Anchor Handling Trial X96. Hull Integrity Monitoring and Strain Gauges
- Sea trial procedure verifying the ability of an anchor handling vessel to deploy, hold, and recover anchors under specified conditions.
- Anchor handling tug X15. Ports, Terminals and Stevedoring
- tug fitted with stern roller and winch for setting and lifting anchors.
- Anchor handling tug supply X42. Offshore Wind Installation and Cable Lay
- Vessel class used to position spread moorings for cable-lay barges and floating accommodation units.
- Anchor Handling Tug Supply (AHTS) X30. Tug Operations and Harbour Towage
- Offshore vessel designed for towing, anchor handling, and supply duties.
- Anchor handling tug supply vessel X57. Ocean Energy Beyond Wind
- Offshore support vessel class used to set moorings for floating tidal, wave, and floating solar platforms.
- Anchor Handling Tug Supply Vessel (AHTS) X173. Mooring, Anchoring, OCIMF MEG4, and Equipment Numeral
- Offshore vessel fitted with a stern roller, large winches, and shark jaws for deploying and retrieving anchors of mobile offshore units.
- Anchor Handling Winch X14. Offshore Oil and Gas Marine Operations
- Heavy double-drum winch on AHTS for chain/wire deployment.
- Anchor ice X27. Polar Code, Ice Navigation and Polar Operations
- Submerged ice attached to the seabed in shallow polar waters.
- Anchor Lashing X83. ISO Container Manufacturing and Leasing
- Fitting cast into corner posts or rails of flatracks and platforms for securing breakbulk cargo.
- Anchor light X3. Ship Handling, Seamanship and Deck Vocabulary
- All-round white light shown by a vessel at anchor.
- Anchor Pattern X14. Offshore Oil and Gas Marine Operations
- Geometric layout of mooring legs around a moored unit.
- Anchor Pattern (Mooring) E4. Cruise, offshore energy and auxiliary/specialised fleets
- Designed array of anchors for moored MODU.
- Anchor pilot X32. Marine Pilotage and Pilot Operations
- Pilot engaged specifically to assist with anchoring or weighing anchor in a port roadstead.
- Anchor Pilotage X159. Marine Pilotage, Pilot Districts, and Pilots' Associations
- Pilotage service for vessels arriving at or departing from designated anchorage areas inside compulsory pilotage waters.
- Anchor pocket X3. Ship Handling, Seamanship and Deck Vocabulary
- Recess in the hull plating to house the anchor flukes when stowed.
- Anchor Point X104. Project Cargo Forwarders and Heavy Transport
- Engineered attachment on a vessel deck or transport beam used to secure a project unit.
- Anchor pole X175. Port Engineering, Dredging, Breakwaters, and Quays
- Auxiliary spud-like pole at the stern of a cutter suction dredger used to step the vessel forward between working positions.
- Anchor Seine X87. Fishing Vessels and Fisheries Management
- Net deployed in a pear shape from a fixed anchor point and hauled to encircle demersal fish, the basis of Danish seining.
- Anchor Shackle X173. Mooring, Anchoring, OCIMF MEG4, and Equipment Numeral
- End connector that secures the chain to the anchor crown, traditionally a D-shape with a forelock pin.
- Anchor Stock X173. Mooring, Anchoring, OCIMF MEG4, and Equipment Numeral
- Transverse bar on traditional stocked anchors that orients the flukes to bite the seabed.
- Anchor Strike X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines
- Mechanical damage to a submarine cable or pipeline caused by a vessel anchor, a leading cause of subsea cable faults worldwide.
- Anchor Survey X5. Marine Surveying and Inspection
- Examination of stockless or stocked anchors, including weighing and lay out on jetty.
- Anchor Swivel X173. Mooring, Anchoring, OCIMF MEG4, and Equipment Numeral
- Rotatable link inserted near the anchor or in the chain to relieve twist when the vessel swings around its anchor.
- Anchor watch B3. Nautical Science
- Watch maintained on anchored vessel.
- Anchor Windlass X94. Port Machinery and Quay Equipment Makers
- Deck machinery for raising and lowering the ship's anchor and chain cable, supplied by makers such as MacGregor Pusnes, IHC Hytop, and Rolls-Royce.
- Anchor's aweigh X3. Ship Handling, Seamanship and Deck Vocabulary
- Report that the anchor has just broken out of the ground.
- Anchorage X15. Ports, Terminals and Stevedoring
- water area where vessels can safely anchor while awaiting berth.
- Anchorage A1 (Fujairah) X116. Global Bunker Anchorages, Hubs and Supply Infrastructure
- Outer anchorage off the Port of Fujairah used for tanker waiting and bunker barge attendance, typically holding 100 to 200 vessels at peak.
- Anchorage Allocation X86. Port Agency, Husbandry and Disbursement
- Assignment of a specific anchorage position by port control, communicated through the agent.
- Anchorage Area X73. Marine Hydrography, Charting and ENC
- ENC object ACHARE representing a designated area where vessels may anchor.
- Anchorage Bunkering X86. Port Agency, Husbandry and Disbursement
- Delivery of bunker fuel to a vessel at anchor rather than alongside a terminal.
- Anchorage Clearance X86. Port Agency, Husbandry and Disbursement
- Permission for the vessel to depart its anchorage position for berthing or onward sailing.
- Anchorage of Hope Maritime Training Center X160. Maritime Academies, Universities, and STCW Certification
- Indian seafarer welfare and pre-sea training initiative supporting underprivileged candidates entering the merchant navy.
- Anchorage Operations X86. Port Agency, Husbandry and Disbursement
- Cargo, crew, or supply activities conducted while the vessel is at anchor.
- Anchorage Restriction X69. EGCS Scrubbers, SCR and Marine Air Emissions
- Local prohibition on open-loop scrubber discharge at certain port anchorages such as Fujairah outer roads.
- Anchorage Survey X86. Port Agency, Husbandry and Disbursement
- Inspection performed at anchor to determine vessel condition or cargo quantity.
- Anchorage Watch E1. Maritime security, geopolitics and risk
- Continuous bridge watch at anchor for drift, security, and traffic.
- Anchored AtoN X23. AIS, GMDSS, IALA Buoyage and Aids to Navigation
- Floating aid (buoy) moored to the seabed with chain and sinker.
- Anchored Drift X80. Maritime Search and Rescue Coordination
- SAR datum assumption for an object held by sea anchor under wind and current.
- Anchored sheet pile wall X175. Port Engineering, Dredging, Breakwaters, and Quays
- Sheet pile quay restrained near the top by horizontal tie rods or strands connected to an anchor wall or pile group.
- Anchoveta X10. Marine Biology, Fisheries and Oceanography
- *Engraulis ringens*, the Peruvian anchovy, target of the largest single-species fishery in tonnage.
- Anchoveta (Engraulis ringens) X131. Commercial Fisheries, Trawler Fleets and Seafood Processors
- Peruvian anchovy, the world's largest single-species fishery, with landings of 4 to 7 million tonnes per year directed almost entirely to fishmeal and fish oil.
- Anchovy X10. Marine Biology, Fisheries and Oceanography
- Small pelagic schooling fish of the family Engraulidae.
- Ancient Mariner, The Rime of F2. Maritime Culture, Heritage, Archaeology, Art and Museums
- 1798 poem by Samuel Taylor Coleridge.
- Ancona X85. Ferries, Ro-Pax Operators and Routes
- Italian Adriatic port served by Superfast Ferries, ANEK Lines, and Minoan Lines on routes to Patras and Igoumenitsa.
- Andernach X92. Marine Steel Suppliers and Shipbuilding Plate
- ThyssenKrupp Rasselstein tinplate and processing site on the Rhine in Germany.
- Anderson turn X3. Ship Handling, Seamanship and Deck Vocabulary
- Quickest single-turn man-overboard maneuver, used when the casualty is in sight.
- Anderton Boat Lift X33. Inland Navigation and Barge Operations
- Victorian-era boat lift in Cheshire, England, connecting the Trent and Mersey Canal with the River Weaver.
- Andesite Line D2. Hydrography, tides, waves, bathymetry and marine geology
- Petrologic boundary marking the change from basaltic to andesitic volcanism around the Pacific.
- Andrea Doria F2. Maritime Culture, Heritage, Archaeology, Art and Museums
- Italian liner sunk in 1956, subject of subsequent salvage and exhibition.
- Andrea Doria (1956) X12. Maritime Casualties and Investigation
- Italian liner that collided with MS Stockholm off Nantucket on 25 July 1956 and sank with 46 deaths; foundational case in radar-assisted collision study.
- Andrea Doria casualty (1956) X163. Marine Accident Investigation Agencies and Landmark Inquiries
- Italian Line passenger ship that collided with the MS Stockholm off Nantucket on 25 July 1956 and sank with 46 fatalities, leading to joint Italian and Swedish board of inquiry proceedings later…
- Andrea Doria class X11. Naval Vessels, Warship Systems and Naval Architecture
- Italian Horizon-class air-defense destroyer with PAAMS.
- Andrea Doria, SS X167. Major Salvage Companies, Wreck Removals, and Equipment
- Italian Line passenger ship that sank on 25 July 1956 after collision with Stockholm off Nantucket, lying at 73 meters and never refloated.
- Andrew Baker KC X114. Maritime Arbitration and Shipping Law Firms
- Former judge of the Admiralty Court of England and Wales, succeeded by Mr Justice Bright.
- Andrew Winch X35. Yacht and Superyacht Industry
- British yacht and aviation designer, founder of Winch Design (London).
- Andritz Hydro X38. Propellers, Stern Gear and Shaft Lines
- Austrian manufacturer of large cast and welded propellers and hydraulic machinery, including marine CP units.
- Andritz Hydro Hammerfest X57. Ocean Energy Beyond Wind
- Norwegian subsidiary of Andritz Hydro that developed the HS1000 tidal stream turbine deployed at EMEC and licensed for the MeyGen project.
- Andritz Marine Scrubber X69. EGCS Scrubbers, SCR and Marine Air Emissions
- Wet scrubber product line from Andritz AG for marine SOx abatement and washwater treatment.
- Ane Maersk X111. Methanol, Ammonia and Alternative Marine Fuels
- First A-class 16,200 TEU methanol dual-fuel container ship delivered to A.P. Moller-Maersk by Hyundai Heavy Industries in 2024.
- ANEK Lines X85. Ferries, Ro-Pax Operators and Routes
- Cretan ferry company founded 1967 operating Piraeus to Heraklion and Piraeus to Chania alongside Adriatic services to Italy.
- Anemoi rotor sail X34. Decarbonization, Alternative Fuels and Carbon Pricing
- Flettner rotor wind-assist product line by Anemoi Marine Technologies.
- Anemometer F5. The Reference Layer: Glossary, Units, Signals and Information Sources
- Instrument for measuring wind speed.
- Aneroid barometer X16. Nautical Science, Navigation and COLREGs
- Barometer using a partial vacuum cell rather than mercury.
- Angelicoussis Group X134. LNG and LPG Carrier Operators and Containment Systems
- Greek shipping family parent of Maran Gas Maritime, controlling one of the largest private LNG fleets globally.
- Angle bar X58. Shipbuilding Yards and Construction
- Rolled L-section used as longitudinal or transverse stiffening on shell, deck, and bulkhead plating.
- Angle of attack (blade section) X38. Propellers, Stern Gear and Shaft Lines
- Geometric angle between the local inflow and the chord line of a propeller blade section.
- Angle of cut B3. Nautical Science
- Angle between two LOPs on a chart.
- Angle of downflooding X162. Naval Architecture, Stability, Resistance, and Structural Design
- Heel angle at which any unprotected opening through which progressive flooding could occur becomes submerged, a key stability cutoff in the IS Code.
- Angle of Heel X9. Cargo Securing, Lashing and Stability Vocabulary
- Static or dynamic transverse inclination, considered in stability and lashing calculations.
- Angle of loll B1. Naval Architecture
- Static heel of a vessel with negative initial GM that has rolled to a position of positive righting arm.
- Angle of Repose X1. Cargo Science, Commodities and Cargo Care
- Maximum slope (degrees from horizontal) a granular cargo holds without sliding; <=30 degrees triggers IMSBC trimming and shifting checks.
- Angle of vanishing stability X162. Naval Architecture, Stability, Resistance, and Structural Design
- Heel angle at which the righting arm GZ returns to zero on the static stability curve, beyond which the ship will capsize.
- Angle of vanishing stability (AVS) B1. Naval Architecture
- Heel angle at which the righting arm GZ returns to zero on the static stability curve.
- Angler fish X10. Marine Biology, Fisheries and Oceanography
- Deep-sea fish of order Lophiiformes that use a bioluminescent lure (esca).
- Anglican Mission to Seafarers X102. Seafarer Welfare and Maritime Charities
- Common shorthand for The Mission to Seafarers, the Anglican Communion's port chaplaincy network founded 1856.
- Angling Vessel (Commercial) X87. Fishing Vessels and Fisheries Management
- Small vessel using rod and reel for commercial line caught species such as US Atlantic tilefish.
- Anglo-Eastern Maritime Academy X55. Marine Simulators, Training and Maritime Academies
- DGS-approved pre-sea training institute in Karjat, Maharashtra, operated by the Anglo-Eastern ship management group.
- Anglo-Eastern Maritime Academy (AEMA) X160. Maritime Academies, Universities, and STCW Certification
- Indian DG Shipping approved cadet training college at Karjat near Mumbai operated by Anglo-Eastern Univan Group since 2010.
- Anglo-Eastern Training Centres X160. Maritime Academies, Universities, and STCW Certification
- Global network of training facilities operated by Anglo-Eastern Ship Management for cadets, officers, and ratings in India, China, Manila, Hong Kong, and Singapore.
- Anglo-Eastern Univan (AEUM) X29. Ship Sale and Purchase, Management Contracts and Valuation
- Hong Kong based third-party ship manager formed by 2015 merger.
- Anglo-Eastern Univan Group F3. Seafaring Life, Education, Professions and Institutions
- Hong Kong-based ship management and seafarer training group.
- Anglo-Saxon investigative model X12. Maritime Casualties and Investigation
- No-blame safety investigation tradition exemplified by MAIB, NTSB, and TSBC.
- Anguilla X35. Yacht and Superyacht Industry
- British Overseas Territory and member of the Red Ensign Group.
- Anholt X123. Offshore Wind Installation Vessels and Operators
- 400 MW Danish offshore wind farm commissioned 2013, Siemens SWT-3.6-120 turbines, operated by Orsted.
- Anholt Offshore Wind Farm X105. Offshore Wind Farm Installation and Vessels
- 400 MW Danish wind farm in the Kattegat developed by Ørsted and commissioned in 2013.
- Anhui Heavy Industry X46. Container Terminal Operations
- A Chinese manufacturer producing rubber-tyred gantries, reach stackers, and empty container handlers for port and inland terminal markets.
- Anhydrous X75. IMDG Code, Classes, Packing and Segregation
- Descriptor meaning without water, critical for accurate classification of substances such as anhydrous hydrofluoric acid UN 1052.
- Anhydrous Ammonia X140. Ammonia as Marine Fuel and Hydrogen Shipping
- Pure NH3 without water content, the form transported and burned as marine fuel.
- Anhydrous Ammonia Barge X103. US Inland Waterway Towing and Barge
- A pressure-vessel tank barge built to carry liquefied anhydrous ammonia under refrigeration or pressure for fertilizer service.
- Anik F2 X68. Maritime Satcom and Telecommunications
- Telesat Ka-band satellite, historically referenced as an early commercial Ka-band platform influencing maritime Ka adoption.
- Aniline X93. IBC Code and Chemical Tanker Operations
- Aromatic amine C6H5NH2 assigned UN 1547, carried as a Type 2 ship cargo, Category Y under Annex II, with strict skin absorption precautions.
- Animal Carcasses (Category G) X171. MARPOL 73/78: Annex-by-Annex Detailed Glossary
- The Annex V garbage category covering bodies of livestock or other animals that died during carriage, prohibited from discharge inside special areas under regulation 6.
- Anjana X91. Submarines and Submarine Cable Systems
- Microsoft-sponsored trans-Atlantic submarine cable system planned between Virginia Beach and Sopelana, Spain.
- ANL Container Line X86. Port Agency, Husbandry and Disbursement
- Australian National Line container subsidiary of CMA CGM operating in Australasia.
- Ann McKim X39. Pre-1900 Maritime History
- American merchant ship launched at Baltimore in 1833, regarded as a precursor of the clipper type.
- Anna Nery FPSO X153. Offshore Drilling Rigs, FPSOs, and Offshore Vessels
- Yinson FPSO operating on the Marlim revitalization for Petrobras offshore Brazil.
- Annapolis Royal Generating Station X57. Ocean Energy Beyond Wind
- 20 MW tidal barrage on the Annapolis River in Nova Scotia, Canada, commissioned in 1984 and decommissioned in 2019.
- Annapolis Sailboat Show F4. Recreational Boating, Yachting and Sport
- Major United States boat show held each October.
- Annelies Ilena X87. Fishing Vessels and Fisheries Management
- Netherlands flagged pelagic factory trawler regarded as among the largest fishing vessels in the world by capacity.
- Annex 1 of HKC X50. Ship Recycling, Demolition and Hong Kong Convention
- Controls on hazardous materials prohibited or restricted for installation or use on ships, covering asbestos, PCBs, ODS, AFS, and PFOS substances.
- Annex 13 X9. Cargo Securing, Lashing and Stability Vocabulary
- CSS Code annex titled "Methods to Assess the Efficiency of Securing Arrangements for Non-Standardized Cargoes."
- Annex 13, CSS Code X76. Stevedoring, Lashing and Cargo Securing
- Methodology in the IMO Code of Safe Practice for Cargo Stowage and Securing for calculating lashing forces on non-standardized cargo.
- Annex 14 X9. Cargo Securing, Lashing and Stability Vocabulary
- CSS Code annex providing guidance on safe stowage and securing of coiled sheet steel.
- Annex 2 of HKC X50. Ship Recycling, Demolition and Hong Kong Convention
- The minimum list of items for the Inventory of Hazardous Materials, used to scope the Visual and Sampling Check Plan.
- Annex 3 of HKC X50. Ship Recycling, Demolition and Hong Kong Convention
- The Authorization of Ship Recycling Facilities template format adopted by competent authorities.
- Annex 4 of HKC X50. Ship Recycling, Demolition and Hong Kong Convention
- The Ship Recycling Facility Plan format and minimum contents required for HKC-compliant yards.
- Annex 5 of HKC X50. Ship Recycling, Demolition and Hong Kong Convention
- The Ship Recycling Plan format covering ship-specific dismantling procedures.
- Annex 6 of HKC X50. Ship Recycling, Demolition and Hong Kong Convention
- The International Certificate on Inventory of Hazardous Materials format.
- Annex 7 of HKC X50. Ship Recycling, Demolition and Hong Kong Convention
- The International Ready for Recycling Certificate format.
- Annex A (SCOPIC Form) X99. Marine Salvage Awards and SCOPIC
- Standard form by which the salvor invokes SCOPIC and the contractor and shipowner record incorporation into the LOF.
- Annex A Controls X107. Maritime Cybersecurity and OT Security
- List of reference information security controls published in ISO/IEC 27001 for ISMS scoping.
- Annex B (SCOPIC Tariff) X99. Marine Salvage Awards and SCOPIC
- Schedule of agreed daily and hourly tariff rates for personnel, tugs, and equipment used in SCOPIC compensation calculations.
- Annex C (SCR Provisions) X99. Marine Salvage Awards and SCOPIC
- Schedule setting out terms of appointment, duties, and reporting requirements of the Special Casualty Representative.
- Annex I A3. Marine environmental legislation: MARPOL and its annexes
- Regulations for the Prevention of Pollution by Oil.
- Annex I (COLREGs) X16. Nautical Science, Navigation and COLREGs
- Positioning and technical details of lights and shapes.
- Annex I Cargo (MARPOL) X1. Cargo Science, Commodities and Cargo Care
- Oil and oily mixtures.
- Annex I Madrid Protocol X97. Polar Expedition Cruise and IAATO Operations
- Environmental Impact Assessment annex requiring prior evaluation of activities in Antarctica based on potential impact.
- Annex I MARPOL X158. IMO Conventions, Protocols, Codes, and Resolutions
- Regulations for the Prevention of Pollution by Oil, entered into force 2 October 1983 with the rest of MARPOL 73/78.
- Annex I PSC inspection X7. Flag State, Port State Control and Detention Vocabulary
- Inspection focused on oil pollution prevention requirements of MARPOL Annex I.
- Annex I substances (IHM) X147. Ship Recycling, Hong Kong Convention, and Recycling Yards
- Materials whose installation or use is prohibited or restricted under MARPOL and the Hong Kong Convention, including asbestos, PCBs, ODS, and TBT antifoulings.
- Annex I to MARPOL X56. LNG/LPG Carriers and IGC Code
- Pollution prevention regulations covering oil cargoes, generally not applicable to gas carriers whose cargoes fall under the IGC Code rather than MARPOL Annex I.
- Annex II A3. Marine environmental legislation: MARPOL and its annexes
- Regulations for the Control of Pollution by Noxious Liquid Substances in Bulk.
- Annex II (COLREGs) X16. Nautical Science, Navigation and COLREGs
- Additional signals for fishing vessels fishing in close proximity.
- Annex II Cargo (MARPOL) X1. Cargo Science, Commodities and Cargo Care
- Noxious liquid substances in bulk (Categories X, Y, Z, OS).
- Annex II Madrid Protocol X97. Polar Expedition Cruise and IAATO Operations
- Conservation of Antarctic Fauna and Flora annex regulating native species protection and non-native species introduction.
- Annex II MARPOL X158. IMO Conventions, Protocols, Codes, and Resolutions
- Regulations for the Control of Pollution by Noxious Liquid Substances in Bulk, entered into force 6 April 1987.
- Annex II substances (IHM) X147. Ship Recycling, Hong Kong Convention, and Recycling Yards
- Materials present onboard for which an inventory must be maintained because they pose hazards during recycling, such as cadmium, lead, mercury, and hexavalent chromium.
- Annex III A3. Marine environmental legislation: MARPOL and its annexes
- Regulations for the Prevention of Pollution by Harmful Substances in Packaged Form.
- Annex III (COLREGs) X16. Nautical Science, Navigation and COLREGs
- Technical details of sound signal appliances.
- Annex III Madrid Protocol X97. Polar Expedition Cruise and IAATO Operations
- Waste Disposal and Waste Management annex governing handling and removal of waste from Antarctic operations.
- Annex III MARPOL X158. IMO Conventions, Protocols, Codes, and Resolutions
- Regulations for Prevention of Pollution by Harmful Substances in Packaged Form, entered into force 1 July 1992.
- Annex III substances (IHM) X147. Ship Recycling, Hong Kong Convention, and Recycling Yards
- Operationally generated wastes and stores aboard a ship, listed in Part II of the IHM at the point of recycling readiness.
- Annex IV A3. Marine environmental legislation: MARPOL and its annexes
- Regulations for the Prevention of Pollution by Sewage from Ships.
- Annex IV (COLREGs) X16. Nautical Science, Navigation and COLREGs
- Distress signals.
- Annex IV Madrid Protocol X97. Polar Expedition Cruise and IAATO Operations
- Prevention of Marine Pollution annex aligning Antarctic shipping with MARPOL discharge standards.
- Annex IV MARPOL X158. IMO Conventions, Protocols, Codes, and Resolutions
- Regulations for the Prevention of Pollution by Sewage from Ships, entered into force 27 September 2003.
- Annex of the Casualty Investigation Code X163. Marine Accident Investigation Agencies and Landmark Inquiries
- Mandatory annex to Resolution MSC.255(84) containing the international standards applied to marine safety investigations.
- Annex V A3. Marine environmental legislation: MARPOL and its annexes
- Regulations for the Prevention of Pollution by Garbage from Ships.
- Annex V Madrid Protocol X97. Polar Expedition Cruise and IAATO Operations
- Area Protection and Management annex establishing ASPA and ASMA designations within the Antarctic Treaty area.
- Annex V MARPOL X158. IMO Conventions, Protocols, Codes, and Resolutions
- Regulations for the Prevention of Pollution by Garbage from Ships, entered into force 31 December 1988.
- Annex VI A3. Marine environmental legislation: MARPOL and its annexes
- Regulations for the Prevention of Air Pollution from Ships.
- Annex VI (Cape Town Agreement) X87. Fishing Vessels and Fisheries Management
- Chapter of the agreement covering protection of the crew and life saving appliances on fishing vessels of 24 meters and above.
- Annex VI Compliance X40. Tanker Vetting, SIRE and VIQ
- Demonstrated conformity with MARPOL Annex VI air-pollution requirements, verified through certificates and engine records under VIQ chapters on pollution prevention.
- Annex VI Madrid Protocol X97. Polar Expedition Cruise and IAATO Operations
- Liability annex addressing environmental emergencies arising from activities in the Antarctic Treaty area.
- Annex VI MARPOL D6. Decarbonization, emissions and alternative fuels
- IMO regulations on air pollution from ships.
- Annex VII Arbitration A1. The IMO and the international regulatory framework
- UNCLOS dispute mechanism cross-referenced in IMO compliance practice.
- Annex VII Party X28. Ship Recycling and End-of-Life
- Basel Convention category covering OECD, EU member states, and Liechtenstein for the Ban Amendment.
- Annex VII Tribunal A6. Public international law of the sea
- Ad hoc arbitral tribunal constituted under UNCLOS Annex VII.
- Anniversary Date X142. Classification Societies and Class Notations
- The day and month corresponding to the expiry date of the relevant class or statutory certificate.
- Annual Catch Limit (ACL) D4. Fisheries, aquaculture, blue economy and marine resources
- Annual quantity of fish allowed to be removed from a stock.
- Annual Crew Wage Settlement F3. Seafaring Life, Education, Professions and Institutions
- ITF and JNG negotiated international rates.
- Annual Hold Inspection X96. Hull Integrity Monitoring and Strain Gauges
- Class-required yearly survey of bulk carrier cargo holds checking corrosion, cracking, and coating condition.
- Annual leave X21. STCW Certificates, Crewing and Seafarer Welfare
- MLC Regulation 2.4 minimum 2.5 calendar days of paid leave per month of employment.
- Annual Performance Test (APT) X95. GMDSS Equipment and Survival Craft Communications
- Yearly shore-based test of a Voyage Data Recorder performed by a certified service supplier per IMO MSC.1/Circ.1222.
- Annual Report (Paris MOU) X66. Port State Control and Regional MOUs
- Published each year listing White, Grey, and Black flag lists and RO performance.
- Annual service X59. Offshore Wind O&M, CTVs and SOVs
- Scheduled maintenance visit performed each calendar year on every wind turbine, comprising oil sampling, torque checks, and component inspections.
- Annual Survey A2. Maritime safety legislation: SOLAS and its codes
- Survey required at intervals not exceeding three months either side of each anniversary date of a certificate.
- Annual Survey (AS) X5. Marine Surveying and Inspection
- Statutory or class survey performed yearly within a three-month window of anniversary date.
- Annual throughput X15. Ports, Terminals and Stevedoring
- total cargo or TEU handled in a calendar year.
- Annual Verification (TMSA) X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA
- The yearly internal audit cycle confirming that TMSA Stage levels claimed by the operator remain substantiated by evidence.
- Annular Furnace X63. Marine Auxiliary Machinery and Pumps
- Combustion space of vertical cylindrical auxiliary boilers such as the Aalborg OL series.
- Annular Space X20. LNG Operations and Custody Transfer
- Insulated void between primary and secondary barriers in membrane containment, monitored for nitrogen purity and pressure.
- Annulment (ICSID) X152. Maritime Arbitration and Dispute Resolution
- Limited post-award remedy under Article 52 of the ICSID Convention; not applicable to commercial maritime awards which proceed under the New York Convention.
- Annunciator X19. Engine Room Watchkeeping and UMS Operations
- Panel of indicator lamps and audible signal alerting watchkeeper to abnormal conditions.
- Anny von Hamburg X128. Sail Training Ships and Tall Ship Associations
- 1911 German topsail schooner used in heritage sail training charters in the North Sea and Baltic.
- Anode X45. Marine Paints, Coatings and Antifouling
- Metallic component sacrificed or driven electrochemically to protect a steel structure from corrosion.
- Anode (Sacrificial) X63. Marine Auxiliary Machinery and Pumps
- Zinc or aluminum element fitted in coolers, fresh water generators, and pump casings to limit galvanic corrosion.
- Anode Bank X100. Marine Cathodic Protection and Anodes
- A grouping of multiple anodes wired in parallel to a common ICCP rectifier output.
- Anode Bracket X100. Marine Cathodic Protection and Anodes
- The steel support welded to a hull or jacket that mechanically retains a bracelet or stand-off anode.
- Anode Cable X100. Marine Cathodic Protection and Anodes
- The insulated conductor that connects an ICCP anode to the positive terminal of the transformer-rectifier.
- Anode cage X42. Offshore Wind Installation and Cable Lay
- Steel framework securing sacrificial anodes around the splash zone of a monopile foundation.
- Anode Capacity X100. Marine Cathodic Protection and Anodes
- The total charge in ampere-hours that a unit mass of anode material can deliver before being consumed.
- Anode Consumption Rate X100. Marine Cathodic Protection and Anodes
- The mass of anode lost per ampere-year of current output, used to size anode mass against design life.
- Anode Core X100. Marine Cathodic Protection and Anodes
- The steel insert cast inside a sacrificial anode that provides structural attachment and electrical continuity.
- Anode Current Output X100. Marine Cathodic Protection and Anodes
- The instantaneous current in amperes flowing from a single anode or anode bank into the seawater.
- Anode Depletion X100. Marine Cathodic Protection and Anodes
- The progressive loss of anode mass over service life that ultimately limits cathodic protection availability.
- Anode Design Life X100. Marine Cathodic Protection and Anodes
- The intended service period, often 5 years for ship hulls or 25 to 30 years for offshore jackets, on which anode mass is calculated.
- Anode Distribution X100. Marine Cathodic Protection and Anodes
- The placement pattern of anodes across a structure to achieve uniform potential coverage.
- Anode Driving Voltage X100. Marine Cathodic Protection and Anodes
- The potential difference between the anode closed-circuit potential and the protected steel potential that drives the protective current.
- Anode Insert X100. Marine Cathodic Protection and Anodes
- The steel reinforcement, usually pipe or strap, cast into a sacrificial anode for handling and attachment.
- Anode Inspection X5. Marine Surveying and Inspection
- Visual check of sacrificial anodes in ballast tanks and on underwater hull.
- Anode Lead Wire X100. Marine Cathodic Protection and Anodes
- A short flexible cable joining an ICCP anode pigtail to the main feeder cable.
- Anode Mass X100. Marine Cathodic Protection and Anodes
- The net weight of active anode material excluding the steel core, used as the basis of design-life calculations.
- Anode Pigtail X100. Marine Cathodic Protection and Anodes
- The factory-installed cable stub on an ICCP anode that exits through the hull penetration to the cable box.
- Anode Polarization Period X100. Marine Cathodic Protection and Anodes
- The interval of about two to four weeks after immersion during which steel and anodes settle to steady-state potentials.
- Anode Resistance X100. Marine Cathodic Protection and Anodes
- The combined Faradaic and electrolyte resistance that limits the current output of a sacrificial anode.
- Anode Shield X88. Marine Surface Preparation and Coatings Application
- Dielectric coating applied around a hull-mounted impressed-current or sacrificial anode to prevent cathodic disbondment of adjacent paint.
- Anode Stand-Off X100. Marine Cathodic Protection and Anodes
- The radial distance between a sacrificial anode surface and the structure, set to improve current spread and reduce resistance.
- Anode Stud X100. Marine Cathodic Protection and Anodes
- The threaded fastener welded to the hull onto which a bolt-on anode is secured.
- Anode Tail X100. Marine Cathodic Protection and Anodes
- The pigtail conductor protruding from an ICCP anode body.
- Anode Utilization Factor X100. Marine Cathodic Protection and Anodes
- A dimensionless factor near 0.9 for slab anodes and 0.85 for bracelets that derates anode mass to account for the unusable fragment at end of life.
- Anode Well X100. Marine Cathodic Protection and Anodes
- A recessed pocket in the hull plating that houses an ICCP anode and its dielectric shield assembly.
- Anodic dissolution X18. Ballast Water, Biofouling and Antifouling
- Mechanism by which copper-based antifouling biocides are released into seawater.
- Anomalistic month B3. Nautical Science
- Time between successive perigees of the Moon.
- Anomaly D1. Physical and chemical oceanography and marine meteorology
- Departure of an observed value from a long-term climatological mean.
- Anomaly Detection X48. Maritime Cybersecurity
- Security monitoring technique that flags deviations from a learned baseline of shipboard network or process behavior.
- Anoxia D3. Marine environmental science, pollution and conservation
- Complete absence of dissolved oxygen in water or sediment.
- Anoxic X10. Marine Biology, Fisheries and Oceanography
- Containing no dissolved oxygen.
- ANP X73. Marine Hydrography, Charting and ENC
- Area to be Avoided, a charted routeing measure adopted under IMO Resolution A.572.
- Anqing CSSC Marine Power X90. Marine Engine Specific Model Enumeration
- Chinese medium-speed engine builder under China State Shipbuilding Corporation producing licensed four-stroke marine engines.
- ANS Simulator (Aboa) X144. Bridge Simulators, Engine Room Simulators, and Maritime Training Equipment
- Advanced Navigation Simulator at Aboa Mare for ECDIS and ice navigation.
- ANSCATT (Antarctic Bottom Scatter) D5. Coastal processes, sea-level, cryosphere and ocean observation science
- Not standard.
- Anschutz Standard 14 X89. ECDIS and Bridge Equipment Makers
- Legacy mechanical gyrocompass produced by Anschutz of Kiel, predecessor to the Standard 20 and Standard 22 series.
- Anschutz Standard 20 X89. ECDIS and Bridge Equipment Makers
- Twin sphere gyrocompass introduced by Anschutz in the 1980s and widely fitted to merchant tonnage built in that era.
- Anschutz Standard 22 X89. ECDIS and Bridge Equipment Makers
- Liquid suspended gyrocompass from Raytheon Anschutz with type approval to IMO Resolution A.424(XI), one of the most widely installed marine gyrocompasses.
- Anschutz Standard 30 MF X89. ECDIS and Bridge Equipment Makers
- High latitude gyrocompass from Raytheon Anschutz designed to maintain accuracy above 70 degrees north or south.
- Anschutz STD 14 X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS
- Compact Anschutz spherical gyrocompass series used on smaller commercial vessels and yachts.