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Glossary

Maritime glossary, terms beginning with A (page 13)

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

Showing 250 of 3739 terms (page 13 of 15).

ASD-Tug 3413 (Robert Allan) X30. Tug Operations and Harbour Towage
34 m by 13 m Robert Allan ASD design used by several global operators.
ASEAN Cableship Pte Ltd X91. Submarines and Submarine Cable Systems
Singapore-based joint venture cable ship operator whose fleet includes CS Asean Restorer.
ASEAN Ports and Shipping X119. Maritime Conferences, Trade Shows and Awards
Annual conference rotating among ASEAN capitals since 2003, organized by Transport Events.
ASEAN Regional Forum (ARF) E1. Maritime security, geopolitics and risk
Multilateral security dialogue including maritime confidence-building.
ASF X127. Maritime Security, Anti-Piracy and PMSCs
Atalanta Shared Awareness and De-confliction Mechanism, EU NAVFOR coordination forum with industry and other naval forces.
Asgard II X128. Sail Training Ships and Tall Ship Associations
Irish national sail training brigantine built 1981 at Arklow, 25.7 m length, owned by Coiste an Asgard, sank in the Bay of Biscay on 11 September 2008, all 25 crew rescued.
Asgard Transport System X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines
Norwegian gas pipeline from the Åsgard field complex in the Norwegian Sea to the Kårstø processing plant.
Ash content X2. Marine Bunker Fuels, Lubricants and Bunkering Operations
Inorganic residue after combustion of a fuel sample, measured per ISO 6245, capped at 0.100% m/m for most residual grades.
Ash Residue (Stowage) X172. IMDG Code: Classes, Divisions, Segregation, and Key UN Numbers
Reference for organic peroxides where residues must be segregated to avoid catalytic decomposition; relevant to Class 5.2 stowage planning.
Ashdod port deepening X124. Dredging Industry and Reclamation Contractors
Israeli capital project to deepen the southern container terminal, executed in part by Jan De Nul.
ASHRAE 15 X26. Reefer Containers and Cold Chain Logistics
Safety standard for refrigeration systems, governs refrigerant charge limits and machinery room ventilation.
ASHRAE 34 X26. Reefer Containers and Cold Chain Logistics
Refrigerant designation and safety classification standard defining A1, A2L, A3, B1 etc.
Ashurst X114. Maritime Arbitration and Shipping Law Firms
Anglo-Australian law firm with shipping and offshore practice in London, Singapore, and Sydney.
Asia Average Adjusters Association X86. Port Agency, Husbandry and Disbursement
Regional body of average adjusters whose work intersects with agency port stay records.
Asia Capital Reinsurance X145. P&I Clubs, War Risk Insurers, and Marine Insurance Markets
Singapore-based reinsurer historically active in marine treaty business.
Asia Captive Conference X117. Marine Insurance Markets, Captives and Reinsurance
Annual captive insurance event held in Singapore and Labuan for Asia-Pacific captive owners.
Asia Clean Fuel Index D6. Decarbonization, emissions and alternative fuels
Generic index for clean marine fuel pricing in Asia.
Asia Logistics, Maritime and Aviation Conference X119. Maritime Conferences, Trade Shows and Awards
Annual Hong Kong event known as ALMAC, organized by HKTDC since 2011.
Asia Pacific Gateway (APG) X122. Submarine Cable Laying, Repair Vessels and Operators
10,400 km consortium cable activated 2016 linking Malaysia, Singapore, Thailand, Vietnam, Hong Kong, China, Taiwan, Korea and Japan, built by NEC and HMN Technologies.
Asia Pacific Maritime (APM) X119. Maritime Conferences, Trade Shows and Awards
See APM Singapore; biennial trade exhibition for the Asia Pacific shipbuilding and marine equipment sector.
Asia Pacific Maritime Institute X121. Maritime Education, Academies and Universities
APMI in Manila, Philippines, founded 1996, an MTC providing STCW deck, engine and ratings courses.
Asia Submarine Cable Express (ASE) X122. Submarine Cable Laying, Repair Vessels and Operators
NTT-led 7,800 km system from Japan to Singapore via the Philippines, completed 2012 by NEC.
Asia Tug and Salvage Convention (AsiaTUG) X119. Maritime Conferences, Trade Shows and Awards
Biennial event of the ITS family rotating across Asian ports, organized by The ABR Company.
Asia-Pacific Region X66. Port State Control and Regional MOUs
Geographic scope of Tokyo MOU PSC activities.
Asian clam (Corbicula fluminea) X18. Ballast Water, Biofouling and Antifouling
Freshwater bivalve invasive in North America and Europe, partly spread through ballast water.
Asian Hercules III X167. Major Salvage Companies, Wreck Removals, and Equipment
Floating sheerleg crane operated by Smit Singapore with 5,000 tonne lift capacity, used in heavy lift salvage and offshore installation.
Asian Logistics, Maritime and Aviation Conference (ALMAC) X119. Maritime Conferences, Trade Shows and Awards
HKTDC flagship logistics event each November in Hong Kong.
Asian Marine Services X115. Marine Bunker and Cargo Surveying
Singapore-based inspection firm providing bunker surveying, cargo surveying, and ship condition reports across Southeast Asia.
Asian Renewable Energy Hub X140. Ammonia as Marine Fuel and Hydrogen Shipping
CWP-led 26 GW wind and solar project in Western Australia's Pilbara targeting 1.6 Mtpa green ammonia exports.
Asian Seafarers Welfare Federation X154. Maritime Welfare, Seafarer Charities, and MLC Rights
Regional network coordinating welfare delivery across major Asian crewing nations.
Asian Settlement X44. Shipping Indices, FFAs and Freight Markets
FFA settlement convention referencing Singapore-time index publication used in container and selected dry bulk derivatives.
Asian Shipowners Association X98. Ship Registries and Flag States
Regional industry body representing shipowners from Asian flag states.
Asian shore crab (Hemigrapsus sanguineus) X18. Ballast Water, Biofouling and Antifouling
Invasive crab established along the US east coast from ballast and hull fouling vectors.
AsiaPacific LRIT Cooperative Data Centre X74. AIS Data, Vessel Tracking and Maritime Intelligence
Regional LRIT data centre serving participating Asia-Pacific flag states.
ASKO Maritime X109. Maritime Autonomous Surface Ships and MASS Code
The Norwegian logistics company operating the Therese and Marit autonomous electric container barges in the Oslofjord.
ASMA X97. Polar Expedition Cruise and IAATO Operations
Antarctic Specially Managed Area, a Madrid Protocol designation for collaborative management of areas hosting multiple Antarctic activities.
ASMAR X113. Drydock and Ship Repair Yards
Astilleros y Maestranzas de la Armada, the Chilean state naval shipyard headquartered in Talcahuano with additional sites at Valparaíso and Punta Arenas.
ASME B30.10 X104. Project Cargo Forwarders and Heavy Transport
US standard covering hooks used in lifting service.
ASME B30.20 X104. Project Cargo Forwarders and Heavy Transport
US standard for below-the-hook lifting devices such as spreader bars and lifting beams.
ASME B30.9 X104. Project Cargo Forwarders and Heavy Transport
US standard governing the design, inspection, and use of slings for lifting.
ASME B31.3 X20. LNG Operations and Custody Transfer
Process Piping code commonly applied to onshore LNG terminal cryogenic piping design.
ASMS X107. Maritime Cybersecurity and OT Security
Augmented Safety Management System concept describing integration of cyber risk into existing ISM documentation.
ASN Calais plant X122. Submarine Cable Laying, Repair Vessels and Operators
Primary ASN manufacturing facility on the Boulevard des Allies, producing repeaters, BUs and cable since 1891, formerly the SAT cable works.
ASN Greenwich X122. Submarine Cable Laying, Repair Vessels and Operators
Repeater and BU manufacturing site at Christchurch Way, Greenwich, London, the historic Standard Telephones and Cables plant.
ASN Marine X59. Offshore Wind O&M, CTVs and SOVs
Submarine cable repair vessel operator providing fault locating and joint replacement services on offshore wind array and export cables.
ASN North Highland Works X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines
Greenock-area facility in Scotland that manufactures and tests submarine cable systems for Alcatel Submarine Networks.
ASNT Level II/III X5. Marine Surveying and Inspection
NDT certification levels required for technicians performing class-relevant inspections.
ASNT NDT Inspector X93. IBC Code and Chemical Tanker Operations
Coating and weld inspector certified by the American Society for Nondestructive Testing, frequently engaged for chemical cargo tank surveys.
ASOG X14. Offshore Oil and Gas Marine Operations
Activity Specific Operating Guidelines used by DP operators per IMCA M220.
ASPA X97. Polar Expedition Cruise and IAATO Operations
Antarctic Specially Protected Area, a Madrid Protocol designation requiring a permit for entry into ecologically or scientifically sensitive zones.
Asparagopsis armata X18. Ballast Water, Biofouling and Antifouling
Invasive red alga transported via hull fouling and ballast.
Asparagus reefer carriage X70. Reefer Containers and Cold Chain Shipping
Perishable vegetable carried at about plus two degrees Celsius with high humidity and elevated air exchange to prevent spear toughening.
Aspect (target) B3. Nautical Science
Relative bearing of own vessel from target.
Aspect ratio (foil) B1. Naval Architecture
Ratio of span squared to planform area for rudders, foils, and fins.
Aspect ratio (of a fin) X10. Marine Biology, Fisheries and Oceanography
Ratio of fin span squared to area; high values typify fast-cruising pelagic fishes.
Asphalt X75. IMDG Code, Classes, Packing and Segregation
Not regulated unless transported hot, in which case UN 3257 Class 9 elevated temperature substance applies.
Asphalt (Bitumen) X1. Cargo Science, Commodities and Cargo Care
Heated liquid cargo carried at ~150-180 C in insulated tankers.
Asphalt Carrier E4. Cruise, offshore energy and auxiliary/specialised fleets
Specialized tanker for bitumen products.
Asphalt Tank Container X83. ISO Container Manufacturing and Leasing
Heated tank for bitumen and asphalt products, fitted with steam or electric tracing.
Asphalt/Bitumen tanker B5. Ship Types and Individual Vessels
Heated tanker for bitumen and asphalt.
Asphaltene X2. Marine Bunker Fuels, Lubricants and Bunkering Operations
High-molecular-weight polar fraction insoluble in n-heptane, central to fuel stability and incompatibility.
Asphaltene Deposit X5. Marine Surveying and Inspection
Heavy hydrocarbon residue often found in crude oil tanks during cleanliness surveys.
Asphaltenes X47. Marine Fuel Quality and ISO 8217
High molecular weight polar fractions of residual fuel insoluble in n-heptane, central to fuel stability and sludge formation.
Asphyxiant Gas X172. IMDG Code: Classes, Divisions, Segregation, and Key UN Numbers
Subsidiary characteristic of Class 2.2 gases such as nitrogen UN 1066 that displace oxygen in enclosed spaces.
Asphyxiation Hazard X13. Marine Salvage and Wreck Removal
Oxygen depletion risk in flooded or inerted tanks during salvage entry.
Aspida Training X160. Maritime Academies, Universities, and STCW Certification
Greek maritime training provider offering STCW Basic, Advanced, tanker, and security courses to Greek-flag and Greek-managed crews.
Aspirante Pilot X159. Marine Pilotage, Pilot Districts, and Pilots' Associations
Trainee pilot grade used in several Latin American jurisdictions during the apprenticeship period before commissioning.
Aspirated Hat X82. Saturation Diving and Offshore Diving Operations
Diving helmet with free-flow oxygen built for treatment of contaminated diver casualties.
Aspirational Target 30 by 30 D3. Marine environmental science, pollution and conservation
CBD goal to protect 30 percent of land and sea by 2030.
Aspirator X63. Marine Auxiliary Machinery and Pumps
Venturi-based eductor used to draw vacuum on fresh water generators by motive seawater flow.
Aspirin 300 mg chewable X36. Shipboard Medical, Telemedicine and Seafarer Health
Antiplatelet dose given on suspected acute myocardial infarction per IMGS cardiac protocol.
ASR Aircraft X80. Maritime Search and Rescue Coordination
Air Sea Rescue aircraft, a historical term retained in some national services.
ASRY X113. Drydock and Ship Repair Yards
Arab Shipbuilding and Repair Yard in Sitra, Bahrain, established 1977 with four graving docks and four floating docks for VLCC and offshore work.
Assembly A1. The IMO and the international regulatory framework
Highest IMO governing body, composed of all Member States, meeting biennially.
Assembly stage X58. Shipbuilding Yards and Construction
Phase between subassembly and grand-assembly in which panels and webs are joined into blocks.
Assessment Survey X43. Marine Surveying and Warranty Surveying
A high-level technical appraisal of a vessel's condition, often commissioned by financiers, buyers, or managers contemplating acquisition or refinancing.
Assessor X21. STCW Certificates, Crewing and Seafarer Welfare
Person qualified under STCW Section A-I/6 to evaluate seafarer competence at sea or in an approved center.
Asset Backed Finance X49. Ship Finance, Leasing and Maritime Capital Markets
Lending or leasing in which the vessel itself is the primary credit support.
Asset Cover Covenant X49. Ship Finance, Leasing and Maritime Capital Markets
Loan covenant requiring vessel market value to exceed outstanding debt by a defined ratio.
Asset Freeze X151. Maritime Sanctions, Dark Fleet, and Price Cap Regimes
A sanctions measure prohibiting transactions in property owned or controlled by a designated person, the core legal effect of SDN listing under U.S. law and Annex I listing under EU law.
Asset Heavy Owner X49. Ship Finance, Leasing and Maritime Capital Markets
Shipowner whose strategy emphasizes vessel ownership over chartered in tonnage.
Asset integrity management X59. Offshore Wind O&M, CTVs and SOVs
Systematic program of inspections, monitoring, and interventions that preserves turbine and balance of plant reliability through the operating life.
Asset Inventory X25. Maritime Cybersecurity, OT and IT
Documented list of hardware, software and firmware required by NIST CSF Identify and IEC 62443 ZCR 1.
Asset Light Operator X49. Ship Finance, Leasing and Maritime Capital Markets
Shipping company that controls tonnage primarily through time charters and leases rather than ownership.
Asset Owner X48. Maritime Cybersecurity
Per IEC 62443, the organization accountable for the secure operation of an industrial automation and control system, typically the shipowner or operator.
Asset Performance Management (APM) E3. Technology, digitalization and smart shipping
Predictive maintenance platform category.
Asset Play X29. Ship Sale and Purchase, Management Contracts and Valuation
Buying a ship for resale gain rather than for trading income.
Asset Tracking Module (ATM) X53. Marine Insurance, P&I and Hull Clauses
A vessel data-capture component used by insurers and operators to monitor location, speed, and operational status of insured assets in real time.
Assigned Berth X86. Port Agency, Husbandry and Disbursement
Specific berth designated by the terminal or port authority for a given vessel call.
Assigned Stowage Category X75. IMDG Code, Classes, Packing and Segregation
Letter A, B, C, D or E given in column 16a of the Dangerous Goods List for each UN entry.
Assignment A5. Maritime Law, private and commercial
Transfer of contractual rights, common in bill-of-lading and insurance contexts.
Assignment Clause X51. Maritime Arbitration, Law and BIMCO Clauses
A charterparty provision regulating the transfer of contractual rights or benefits to a third party.
Assignment of arbitration agreement X152. Maritime Arbitration and Dispute Resolution
Transfer of rights under a contract including the embedded arbitration clause, generally permitted but raising questions of consent in chain charterparty disputes.
Assignment of earnings C1. Commercial shipping, chartering, economics and finance
Security taken by ship finance lenders over freight, hire, and insurance proceeds.
Assignment of Insurances X29. Ship Sale and Purchase, Management Contracts and Valuation
Security over hull, machinery, and P&I cover in favor of lender.
Assignment of Policy X4. Marine Insurance, P&I and Claims
transfer of the benefit of a marine policy under section 50 of the Marine Insurance Act 1906.
Assignment, lashing crew X76. Stevedoring, Lashing and Cargo Securing
Allocation of stevedore gangs to specific bays for securing or unsecuring work during port operations.
Assist tug X15. Ports, Terminals and Stevedoring
tug supporting a vessel during berthing or unberthing.
Assistance Entity X80. Maritime Search and Rescue Coordination
Any agency or vessel capable of rendering aid during a SAR case.
Assistance Provider (MLC) X102. Seafarer Welfare and Maritime Charities
Welfare body recognized under MLC 2006 Regulation 4.4 to deliver shore-based welfare services in seafarers' centers.
Assistance to Vessel in Distress X99. Marine Salvage Awards and SCOPIC
Master's duty under SOLAS and the Salvage Convention to render assistance to persons in danger at sea.
Assistant Engineer X21. STCW Certificates, Crewing and Seafarer Welfare
Junior engineer officer rank below Third Engineer, often a cadet posting on US ships.
Assistant Expedition Leader X97. Polar Expedition Cruise and IAATO Operations
Deputy to the Expedition Leader on a polar expedition ship, supporting landings, logistics, and team coordination.
Assisting Tug X60. Marine Salvage and Wreck Removal
Tug providing routine maneuvering assistance, distinguished by intent and circumstance from a salvage tug.
ASSO.STAR X123. Offshore Wind Installation Vessels and Operators
Cable-lay vessel operated by Asso.subsea, used for inter-array cable installation on multiple Mediterranean and North Sea projects.
Asso.subsea X123. Offshore Wind Installation Vessels and Operators
Greek subsea cable installation contractor with offices in Athens and Bristol, fleet includes ASSO.STAR and Asso Trident.
Asso.Subsea Athena X105. Offshore Wind Farm Installation and Vessels
Cable lay vessel operated by Asso.Subsea for inter-array and export cable installation in offshore wind projects.
Asso.Subsea Helios X105. Offshore Wind Farm Installation and Vessels
Cable lay vessel in the Asso.Subsea fleet supporting submarine cable installation in European wind farms.
Associated Branch Pilots X159. Marine Pilotage, Pilot Districts, and Pilots' Associations
Louisiana state-commissioned pilots handling vessels between the Gulf of Mexico sea buoy and Pilottown at the Mississippi River mouth.
Associated Marine Surveyors Conference X119. Maritime Conferences, Trade Shows and Awards
Annual professional gathering of IIMS branches, hosted in London or other branch cities.
Associated Ship X51. Maritime Arbitration, Law and BIMCO Clauses
A vessel under common ownership or control with the wrongdoing ship, against which arrest may be permitted under the 1999 Arrest Convention and some national laws.
Association of Average Adjusters X108. Marine Insurance and P&I Clubs
The London based professional body, founded 1869, that publishes rules of practice for general average adjustment.
Association of Ship Brokers and Agents (ASBA) X161. Shipbroking, Freight Derivatives, and Baltic Indices
New York-based broker association that maintains the Asbatankvoy form and runs the annual ASBA Cargo Conference.
Assumed latitude X16. Nautical Science, Navigation and COLREGs
Latitude chosen near the DR for tabular sight reduction.
Assumed longitude X16. Nautical Science, Navigation and COLREGs
Longitude chosen so LHA is a whole degree for sight reduction.
Assumed position (AP) B3. Nautical Science
Reference position for sight reduction.
Assured X4. Marine Insurance, P&I and Claims
the party named in the policy entitled to claim under it.
ASTA (American Sail Training Association) X128. Sail Training Ships and Tall Ship Associations
Founded 1973 in Newport Rhode Island, rebranded as Tall Ships America in 2007, the US member national sail training organization affiliated with Sail Training International.
Astaara X107. Maritime Cybersecurity and OT Security
Cyber insurance and risk monitoring provider focused on the maritime sector.
Aster 15 X11. Naval Vessels, Warship Systems and Naval Architecture
MBDA short-to-medium range surface-to-air missile with 30 km range.
Aster 30 X11. Naval Vessels, Warship Systems and Naval Architecture
MBDA long-range SAM with 120 km class range, Block 1NT for ABM.
Aster 30 Block 1NT X106. Naval Surface Combatants
New-technology variant of Aster 30 providing exo-atmospheric ballistic missile defense capability for European navies.
Aster-class X77. Naval Mine Warfare and Mine Countermeasures
The Belgian Naval Component designation for its Tripartite-class minehunters such as BNS Aster (M915).
Astern X3. Ship Handling, Seamanship and Deck Vocabulary
Behind the vessel; engine order for reverse propulsion.
Astern Drive (RA ASD-Tug Series) X30. Tug Operations and Harbour Towage
Robert Allan Ltd family of conventional twin azimuth stern drive tug designs.
Astern guardian valve X19. Engine Room Watchkeeping and UMS Operations
Valve in maneuvering system preventing astern starting air admission when ahead direction is selected.
Astern operation (DAS) X27. Polar Code, Ice Navigation and Polar Operations
Operation of double-acting ships stern-first to break heavier ice.
Astern Propulsion Failure X60. Marine Salvage and Wreck Removal
Loss of reverse thrust capability, a common precipitating factor in grounding casualties.
Astern Pump X63. Marine Auxiliary Machinery and Pumps
Service pump arranged for reversed flow during astern operation of certain steam turbine systems.
Astern thrust X38. Propellers, Stern Gear and Shaft Lines
Thrust generated when the propeller turns in reverse rotation (FPP) or with negative pitch (CPP).
Astern Trial X5. Marine Surveying and Inspection
Sea trial element verifying astern propulsion performance during sea or commissioning surveys.
Asters X114. Maritime Arbitration and Shipping Law Firms
Ukrainian law firm with a maritime practice in Kyiv and Odessa.
Astilleros Armon X79. Tugs and Towage Industry
Spanish shipbuilder in Asturias known for ocean-going tugs and offshore vessels.
Astilleros Cantábricos X113. Drydock and Ship Repair Yards
Spanish ship repair group active on the Cantabrian coast with yards historically focused on fishing, offshore, and small commercial tonnage.
Astilleros de Cadiz X58. Shipbuilding Yards and Construction
Navantia yard in southern Spain historically building offshore platforms and naval vessels.
Astilleros de Mallorca X156. Superyacht Industry, Builders, and Yacht Charter Market
Refit yard in Palma de Mallorca with dry docks and quayside berths used by large sail and motor yachts for class and warranty work.
Astilleros Gondan X58. Shipbuilding Yards and Construction
Spanish private yard at Figueras building tugs, ferries, and offshore support vessels.
Astilleros Las Palmas X113. Drydock and Ship Repair Yards
Canary Islands ship repair company operating in the Port of Las Palmas serving the West African and mid-Atlantic trades.
Astilleros Murueta X58. Shipbuilding Yards and Construction
Basque shipyard at Murueta and Erandio constructing dry cargo and multipurpose vessels.
Astilleros Navantia X58. Shipbuilding Yards and Construction
Spanish state shipbuilder operating yards at Ferrol, Cartagena, San Fernando, and Cadiz.
Astilleros Zamakona X58. Shipbuilding Yards and Construction
Basque yard at Bilbao and Las Palmas building tugs, fishing vessels, and patrol craft.
ASTM A370 X92. Marine Steel Suppliers and Shipbuilding Plate
Standard test methods and definitions for mechanical testing of steel products including tensile properties.
ASTM A578 X92. Marine Steel Suppliers and Shipbuilding Plate
Standard specification for straight beam ultrasonic examination of rolled steel plates for special applications.
ASTM D1250 X115. Marine Bunker and Cargo Surveying
Standard guide for petroleum measurement tables that provides volume correction factors used to bring observed volumes to 15 degrees C.
ASTM D1250-19 X155. Marine Surveying Practice and Cargo Inspection
The current edition of the Standard Guide for the Use of the Petroleum Measurement Tables, jointly maintained by ASTM, API, and IP, defining the calculation of volume correction factors.
ASTM D1298 X47. Marine Fuel Quality and ISO 8217
Density, relative density, or API gravity by hydrometer.
ASTM D1655 X31. Helicopter Operations on Ships
Standard Specification for Aviation Turbine Fuels, including Jet A-1.
ASTM D1796 X47. Marine Fuel Quality and ISO 8217
Water and sediment in fuel oils by centrifuge.
ASTM D189 X47. Marine Fuel Quality and ISO 8217
Conradson carbon residue test method.
ASTM D1945 X20. LNG Operations and Custody Transfer
Standard test method for analysis of natural gas by gas chromatography, basis for GIIGNL custody transfer composition.
ASTM D2270 X61. Marine Lubricants and Cylinder Oils
Standard practice for calculating viscosity index from kinematic viscosities at 40 and 100 degrees Celsius.
ASTM D240 X47. Marine Fuel Quality and ISO 8217
Bomb calorimeter test method for gross heat of combustion.
ASTM D2622 X47. Marine Fuel Quality and ISO 8217
Sulfur in petroleum products by wavelength dispersive X-ray fluorescence.
ASTM D2709 X47. Marine Fuel Quality and ISO 8217
Water and sediment in middle distillate fuels by centrifuge.
ASTM D287 X47. Marine Fuel Quality and ISO 8217
Hydrometer method for API gravity of crude and petroleum products.
ASTM D2896 X61. Marine Lubricants and Cylinder Oils
Standard test method for Base Number of petroleum products by potentiometric perchloric acid titration, the reference method for fresh cylinder oils.
ASTM D3279 X47. Marine Fuel Quality and ISO 8217
Standard test method for n-heptane insolubles.
ASTM D3359 X88. Marine Surface Preparation and Coatings Application
Standard test method for rating adhesion by tape test, including the X-cut and cross-hatch procedures.
ASTM D3588 X20. LNG Operations and Custody Transfer
Standard practice for calculating heat value, compressibility factor, and relative density of gaseous fuels.
ASTM D4052 X47. Marine Fuel Quality and ISO 8217
Density and relative density of liquids by digital density meter.
ASTM D4057 X115. Marine Bunker and Cargo Surveying
Standard practice for manual sampling of petroleum and petroleum products, the reference for spot sampling on bunker barges.
ASTM D4138 X88. Marine Surface Preparation and Coatings Application
Standard practice for measurement of dry film thickness of protective coating systems by destructive cross-sectional means using a Tooke gauge.
ASTM D4176 X47. Marine Fuel Quality and ISO 8217
Free water and particulate contamination in distillate fuels by visual inspection.
ASTM D4177 X115. Marine Bunker and Cargo Surveying
Standard practice for automatic sampling of petroleum and petroleum products, the reference for flow-proportional bunker line sampling.
ASTM D4285 X88. Marine Surface Preparation and Coatings Application
Standard test method for indicating oil or water in compressed air using a white blotter held downstream of the air supply.
ASTM D4294 X2. Marine Bunker Fuels, Lubricants and Bunkering Operations
Energy-dispersive X-ray fluorescence (EDXRF) test for sulphur in petroleum products.
ASTM D4414 X88. Marine Surface Preparation and Coatings Application
Standard practice for measurement of wet film thickness by notched gauge.
ASTM D4417 X88. Marine Surface Preparation and Coatings Application
Standard test methods for field measurement of surface profile of blast-cleaned steel, covering Method A depth micrometer, Method B comparator, and Method C replica tape.
ASTM D445 X2. Marine Bunker Fuels, Lubricants and Bunkering Operations
Standard test method for kinematic viscosity of transparent and opaque liquids.
ASTM D4530 X47. Marine Fuel Quality and ISO 8217
Micro method for determining carbon residue.
ASTM D4541 X88. Marine Surface Preparation and Coatings Application
Standard test method for pull-off strength of coatings using portable adhesion testers such as the PosiTest AT or Elcometer 506.
ASTM D473 X47. Marine Fuel Quality and ISO 8217
Sediment in crude oils and fuel oils by extraction.
ASTM D4737 X47. Marine Fuel Quality and ISO 8217
Calculated cetane index by four-variable equation.
ASTM D4739 X47. Marine Fuel Quality and ISO 8217
Base number determination by potentiometric titration.
ASTM D4740 X2. Marine Bunker Fuels, Lubricants and Bunkering Operations
Spot test for fuel cleanliness and compatibility using a filter paper procedure.
ASTM D482 X47. Marine Fuel Quality and ISO 8217
Standard test method for ash from petroleum products.
ASTM D4870 X47. Marine Fuel Quality and ISO 8217
Determination of total sediment in residual fuels.
ASTM D4951 X61. Marine Lubricants and Cylinder Oils
Standard test method for additive elements in lubricating oils by inductively coupled plasma atomic emission spectrometry.
ASTM D5162 X88. Marine Surface Preparation and Coatings Application
Standard practice for discontinuity (holiday) testing of nonconductive protective coatings on metallic substrates, covering low-voltage wet sponge Type I and high-voltage spark Type II procedures.
ASTM D5185 X61. Marine Lubricants and Cylinder Oils
Standard test method for multielement determination of used and unused lubricating oils by ICP-OES, the primary wear metals method.
ASTM D524 X47. Marine Fuel Quality and ISO 8217
Ramsbottom carbon residue test method.
ASTM D5291 X47. Marine Fuel Quality and ISO 8217
Instrumental determination of carbon, hydrogen, and nitrogen.
ASTM D5402 X88. Marine Surface Preparation and Coatings Application
Standard practice for assessing the solvent resistance of an organic coating using solvent rubs.
ASTM D5800 X61. Marine Lubricants and Cylinder Oils
Standard test method for evaporation loss of lubricating oils by the Noack method.
ASTM D6132 X88. Marine Surface Preparation and Coatings Application
Standard test method for nondestructive measurement of dry film thickness of applied organic coatings using an ultrasonic coating thickness gauge.
ASTM D6304 X47. Marine Fuel Quality and ISO 8217
Karl Fischer coulometric water determination.
ASTM D6469 X47. Marine Fuel Quality and ISO 8217
Standard guide for microbial contamination in fuels and fuel systems.
ASTM D6595 X61. Marine Lubricants and Cylinder Oils
Standard test method for determination of wear metals and contaminants in used lubricating oils by rotating disc electrode atomic emission spectrometry.
ASTM D664 X47. Marine Fuel Quality and ISO 8217
Standard test method for acid number of petroleum products by potentiometric titration.
ASTM D7039 X47. Marine Fuel Quality and ISO 8217
Sulfur in gasoline and diesel fuel by monochromatic wavelength dispersive XRF.
ASTM D7091 X88. Marine Surface Preparation and Coatings Application
Standard practice for nondestructive measurement of dry film thickness of nonmagnetic coatings on ferrous metals and nonconductive coatings on nonferrous metals.
ASTM D7094 X47. Marine Fuel Quality and ISO 8217
Flash point by modified continuously closed cup tester.
ASTM D7112 X149. Marine Fuels, Bunkering, and Alternative Fuels
Spot test method for determining compatibility and stability of residual fuel blends using a spot on filter paper.
ASTM D7212 X47. Marine Fuel Quality and ISO 8217
Low-sulfur determination by energy dispersive XRF.
ASTM D7393 X88. Marine Surface Preparation and Coatings Application
Standard practice for indicating oil in abrasives.
ASTM D7619 X2. Marine Bunker Fuels, Lubricants and Bunkering Operations
Particle count by optical microscopy for cat fines and other solids in middle distillates and residual fuel.
ASTM D86 X47. Marine Fuel Quality and ISO 8217
Standard test method for atmospheric distillation of petroleum products, used for distillate marine fuels.
ASTM D92 X61. Marine Lubricants and Cylinder Oils
Standard test method for flash and fire points by Cleveland open cup tester.
ASTM D93 X47. Marine Fuel Quality and ISO 8217
Pensky-Martens closed cup test method for flash point of petroleum products.
ASTM D97 X47. Marine Fuel Quality and ISO 8217
Standard test method for pour point of petroleum products.
ASTM D976 X47. Marine Fuel Quality and ISO 8217
Calculated cetane index method for distillate fuels.
ASTM E23 X92. Marine Steel Suppliers and Shipbuilding Plate
Standard test method for notched bar impact testing of metallic materials including Charpy V notch.
ASTM E337 X88. Marine Surface Preparation and Coatings Application
Standard test method for measuring humidity with a psychrometer using wet- and dry-bulb temperatures.
ASTM F-1523 X126. Marine Oil Spill Response and OPRC Regimes
Standard guide for selection and use of oil spill containment booms, the primary North American boom specification.
ASTM F-1737 X126. Marine Oil Spill Response and OPRC Regimes
Standard guide for use of fire boom in situ burning operations.
ASTM F-2152 X126. Marine Oil Spill Response and OPRC Regimes
Standard guide for in situ burning of spilled oil in marshes.
ASTM F-625 X126. Marine Oil Spill Response and OPRC Regimes
Standard practice for classifying water bodies for spill control systems, defining calm, protected, open, and rough water categories.
ASTM F-715 X126. Marine Oil Spill Response and OPRC Regimes
Standard test methods for coated fabrics used in oil spill boom construction.
ASTM F-818 X126. Marine Oil Spill Response and OPRC Regimes
Standard terminology of equipment for use with oil spill response.
ASTM F1145 X173. Mooring, Anchoring, OCIMF MEG4, and Equipment Numeral
ASTM standard for cast or fabricated bollards used aboard ships, covering geometry, loading, and welding for bitts and cruciform bollards.
ASTM F3445 X109. Maritime Autonomous Surface Ships and MASS Code
The ASTM International standard providing guidance for the design and operation of autonomous and remotely operated vessels.
ASTM G42 X88. Marine Surface Preparation and Coatings Application
Standard test method for cathodic disbonding of pipeline coatings subjected to elevated temperatures.
ASTM G62 X88. Marine Surface Preparation and Coatings Application
Standard test methods for holiday detection in pipeline coatings.
ASTM G8 X88. Marine Surface Preparation and Coatings Application
Standard test methods for cathodic disbonding of pipeline coatings.
ASTM Table 24 X155. Marine Surveying Practice and Cargo Inspection
The metric companion to Table 6, correcting volume to 15 degrees Celsius against density at 15 degrees C for generalized products.
ASTM Table 26 X155. Marine Surveying Practice and Cargo Inspection
The volume correction table for lubricating oils, distinguishing them from generalized products and crude oils.
ASTM Table 52 X155. Marine Surveying Practice and Cargo Inspection
Generalized products volume correction against density at 15 degrees C, the metric counterpart to the older imperial tables.
ASTM Table 54B X115. Marine Bunker and Cargo Surveying
Historical volume correction table for generalized petroleum products at 15 degrees C, now superseded by tables embedded in ISO 91:2017.
ASTM Table 6 X155. Marine Surveying Practice and Cargo Inspection
Generalized petroleum products correction of volume to 60 degrees Fahrenheit against API gravity at 60 degrees F.
Astondoa X124. Dredging Industry and Reclamation Contractors
Santa Pola, Spain builder founded in 1916, producing motoryachts up to 121 feet.
Astrid Maersk X111. Methanol, Ammonia and Alternative Marine Fuels
16,200 TEU methanol dual-fuel container ship delivered to A.P. Moller-Maersk by Hyundai Heavy Industries in 2024.
Astrolabe F1. Maritime History
Medieval Arab and European altitude-measuring instrument adapted as the mariner's astrolabe in the fifteenth century.
Astrolabe Reef X141. Marine Salvage Industry and Wreck Removal Contractors
Bay of Plenty reef where MV Rena grounded on 5 October 2011, generating a NZD 660 million wreck removal contract.
Astronomical refraction X16. Nautical Science, Navigation and COLREGs
Bending of light through Earth's atmosphere when observing celestial bodies.
Astronomical Tide D2. Hydrography, tides, waves, bathymetry and marine geology
Tide produced solely by gravitational forcing of the Sun and Moon.
Astronomical triangle B3. Nautical Science
Celestial PZX triangle for sight reduction.
Astronomical twilight X16. Nautical Science, Navigation and COLREGs
Period when the Sun is between 12 degrees and 18 degrees below the horizon.
Astrup Fearnley X49. Ship Finance, Leasing and Maritime Capital Markets
Norwegian shipbroking and investment banking group with a long established project finance desk.
Astute class X11. Naval Vessels, Warship Systems and Naval Architecture
Royal Navy SSN with Spearfish and Tomahawk Block IV.
ASV C-Worker X129. Hydrographic Offices, Survey Vessels and Marine Cartography
Autonomous surface vessel range from L3Harris ASV used for hydrographic survey, sometimes deployed alongside crewed survey ships to extend swath coverage.
ASV Global X109. Maritime Autonomous Surface Ships and MASS Code
A United Kingdom autonomous surface vessel developer acquired by L3 in 2018 and later integrated into BAE Systems Maritime.
ASV Global C-Cat X65. ROVs, AUVs, USVs and Marine Robotics
Catamaran-hulled survey USV from ASV Global used for shallow water bathymetric work.
ASV Global C-Enduro X65. ROVs, AUVs, USVs and Marine Robotics
Long-endurance solar and wind assisted USV from ASV Global designed for persistent ocean monitoring missions.
ASV Global C-Stat X65. ROVs, AUVs, USVs and Marine Robotics
Station-keeping USV from ASV Global designed to hold position over a subsea asset for extended monitoring.
ASV Global C-Target X65. ROVs, AUVs, USVs and Marine Robotics
Family of remote-controlled high-speed surface targets used for naval gunnery and missile training.
ASV Global C-Worker X65. ROVs, AUVs, USVs and Marine Robotics
Family of work-class unmanned surface vessels developed by ASV Global, later acquired by L3Harris Technologies.
ASView X109. Maritime Autonomous Surface Ships and MASS Code
The autonomy control software developed by ASV Global for tasking and supervising unmanned surface vehicles.
ASW Frigate E2. Naval, defence and maritime law enforcement
Frigate optimized for submarine hunting.
Asyad Bunkering X72. Bunkering Hubs and Bunker Suppliers
Bunkering arm of Oman state logistics group Asyad operating at Sohar, Salalah, and Duqm.
Asymmetric Spinnaker X84. Yacht Racing, Regattas and Sailing Governance
A downwind sail tacked to the bow or a bowsprit and trimmed without a pole, often called a gennaker.
Asymmetric stern B1. Naval Architecture
Hull form with port/starboard asymmetry tuned for propeller wake.
Asynchronous Motor X67. Marine Electrical Systems and Shore Power
Induction motor commonly used for pumps, fans, and auxiliary drives aboard ship.
Asynchronous Telemetry X109. Maritime Autonomous Surface Ships and MASS Code
A communications mode in which sensor or status messages are transmitted on event rather than at fixed intervals, often used over Iridium backhaul.
At and from C1. Commercial shipping, chartering, economics and finance
Marine insurance clause covering the vessel both in port and on voyage.
At-the-Market FFA X44. Shipping Indices, FFAs and Freight Markets
A Forward Freight Agreement transacted at the current cleared forward curve level for the relevant route and tenor.
ATA X15. Ports, Terminals and Stevedoring
Actual Time of Arrival at the pilot station or berth.
Atago class X11. Naval Vessels, Warship Systems and Naval Architecture
JMSDF Aegis DDG with SPY-1D(V), lead ship DDG-177.
Atago-class destroyer X106. Naval Surface Combatants
JMSDF Aegis-equipped guided-missile destroyer class, JS Atago DDG-177 commissioned 2007 and JS Ashigara DDG-178 commissioned 2008.