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Glossary

Maritime glossary, terms beginning with S (page 12)

All maritime glossary terms that begin with the letter S, drawn from every subject section. 4952 entries.

Showing 250 of 4952 terms (page 12 of 20).

Slot allocation X6. Container, Intermodal and Trade Codes
Distribution of vessel slots between partner carriers in an alliance.
Slot Charter A5. Maritime Law, private and commercial
Charter of a defined number of TEU slots on a containership.
Slot Cost X83. ISO Container Manufacturing and Leasing
Allocated cost per TEU slot on a vessel, a key economic driver of container ship operations.
Slot exchange X6. Container, Intermodal and Trade Codes
Reciprocal slot swap between carriers on different services.
Slot Jackup X153. Offshore Drilling Rigs, FPSOs, and Offshore Vessels
Jackup with a fixed drilling slot in the hull through which the well is drilled, common in older designs.
Slot Limit D4. Fisheries, aquaculture, blue economy and marine resources
Regulation allowing retention only within a size range.
Slot Reservation X23. AIS, GMDSS, IALA Buoyage and Aids to Navigation
SOTDMA mechanism for advertising future transmission slots.
Slovenia PSC X66. Port State Control and Regional MOUs
Paris MOU member State.
Slovenian Faculty of Maritime Studies and Transport X121. Maritime Education, Academies and Universities
FPP Portoroz, University of Ljubljana, founded 1960, with Navigation and Marine Engineering BSc.
Slow Steaming D6. Decarbonization, emissions and alternative fuels
Operating below design speed to save fuel and reduce emissions.
Slow Steaming Index D6. Decarbonization, emissions and alternative fuels
Indicator of fleet-average operating speeds.
Slow turning X19. Engine Room Watchkeeping and UMS Operations
Function commanding engine to rotate slowly on starting air before firing.
SLR (Satellite Laser Ranging) D2. Hydrography, tides, waves, bathymetry and marine geology
Geodetic technique used in maintaining the terrestrial reference frame.
SLTE X122. Submarine Cable Laying, Repair Vessels and Operators
Submarine Line Terminating Equipment at the landing station, supplied by Ciena, Infinera, Nokia or NEC.
Sludge X2. Marine Bunker Fuels, Lubricants and Bunkering Operations
Water, sediment, and cat fines discharged from purifiers, logged in Oil Record Book.
Sludge Disposal Coordination X86. Port Agency, Husbandry and Disbursement
Coordination of MARPOL Annex I sludge disposal at port reception facilities.
Sludge Formation X115. Marine Bunker and Cargo Surveying
Precipitation of asphaltenes and inorganic matter from incompatible residual fuels, screened by ASTM D4740 spot test.
Sludge Pump X63. Marine Auxiliary Machinery and Pumps
Positive displacement pump transferring sludge from the separator sludge tank for disposal or treatment.
Sludge Reception Facility X28. Ship Recycling and End-of-Life
Port facility receiving oily sludge under MARPOL Annex I.
Sludge tank B2. Marine Engineering
Tank for engine and separator sludges.
Slug catcher X19. Engine Room Watchkeeping and UMS Operations
Vessel in gas systems separating liquid slugs from gas, used on LNG vessels.
Sluiskil Yara X140. Ammonia as Marine Fuel and Hydrogen Shipping
Yara's flagship Dutch ammonia and urea complex with 1.8 Mtpa NH3 capacity.
Slurry X124. Dredging Industry and Reclamation Contractors
Mixture of dredged solids and water flowing through dredger pipelines, typically 10-30 percent solids by volume.
Slurry Blast X88. Marine Surface Preparation and Coatings Application
Surface preparation using a mixture of water and abrasive injected into a compressed air stream to reduce dust and embedment.
Slurry Ice X87. Fishing Vessels and Fisheries Management
Liquid suspension of small ice crystals used to cool pelagic catch quickly.
Slurry oil X149. Marine Fuels, Bunkering, and Alternative Fuels
A heavy aromatic refinery stream used as a VLSFO blendstock; high cat-fine risk.
Slush X27. Polar Code, Ice Navigation and Polar Operations
Snow saturated and mixed with water on land or floating on the surface of a water body.
SLXi X70. Reefer Containers and Cold Chain Shipping
Thermo King reefer truck and trailer refrigeration platform, related in technology to marine reefer offerings.
SM Line Agency X86. Port Agency, Husbandry and Disbursement
Agency network for SM Line at calling ports.
SM-1 X11. Naval Vessels, Warship Systems and Naval Architecture
RIM-66A/B medium-range SAM, retired from USN.
SM-2 X11. Naval Vessels, Warship Systems and Naval Architecture
RIM-66C/D and RIM-67 long-range SAM with semi-active homing.
SM-3 X11. Naval Vessels, Warship Systems and Naval Architecture
RIM-161 exoatmospheric BMD interceptor.
SM-6 X11. Naval Vessels, Warship Systems and Naval Architecture
RIM-174 ERAM dual-role air defense and anti-ship missile.
SM300 X109. Maritime Autonomous Surface Ships and MASS Code
The Sea Machines Robotics autonomous control system designed for tugs and workboats.
SMA X29. Ship Sale and Purchase, Management Contracts and Valuation
Society of Maritime Arbitrators, New York.
SMA (Society of Maritime Arbitrators) X152. Maritime Arbitration and Dispute Resolution
New York-based maritime arbitration body operating under its own Maritime Arbitration Rules.
SMA Award X51. Maritime Arbitration, Law and BIMCO Clauses
An award rendered under the Maritime Arbitration Rules of the Society of Maritime Arbitrators.
SMA Maritime Arbitration Rules 2016 X152. Maritime Arbitration and Dispute Resolution
Current SMA Rules effective 26 October 2016, codifying SMA practice including publication of awards.
SMA Mediation Rules X152. Maritime Arbitration and Dispute Resolution
SMA's mediation framework for maritime disputes preceding or alongside arbitration.
SMA Rules X114. Maritime Arbitration and Shipping Law Firms
Maritime Arbitration Rules of the Society of Maritime Arbitrators with the Shortened Arbitration Procedure for small claims.
SMA Short Form Procedure X152. Maritime Arbitration and Dispute Resolution
Streamlined SMA process for small claims with a sole arbitrator, documents-only determination, and capped fees.
SMA Shortened Arbitration Procedure X152. Maritime Arbitration and Dispute Resolution
Alternate expedited SMA process for mid-sized claims with single arbitrator and limited hearing time.
SMAG X94. Port Machinery and Quay Equipment Makers
Salzgitter Maschinenbau AG, German manufacturer of grabs, clamshells, and bulk handling cranes.
Small Bulk Carrier (Mini) B5. Ship Types and Individual Vessels
<10,000 DWT bulker.
Small craft X16. Nautical Science, Navigation and COLREGs
Vessels generally below SOLAS thresholds.
Small operational areas (Polar Code) X27. Polar Code, Ice Navigation and Polar Operations
Some operators may limit operational area to manage risk under Polar Ship Certificate.
Small Scale Fisheries X87. Fishing Vessels and Fisheries Management
Sector covered by FAO SSF Voluntary Guidelines endorsed in 2014.
Small-Scale Fisheries (SSF) D4. Fisheries, aquaculture, blue economy and marine resources
Artisanal and subsistence fisheries.
Small-Scale LNG X20. LNG Operations and Custody Transfer
Vessels typically 1,000 to 30,000 m3 using IMO Type C tanks for distribution.
Small-scale LNG carrier X56. LNG/LPG Carriers and IGC Code
LNG carrier in the approximate range of 1,000 to 30,000 cubic meters serving short-sea, bunker, and distribution markets.
SMAP (Soil Moisture Active Passive) D5. Coastal processes, sea-level, cryosphere and ocean observation science
NASA L-band mission also providing sea surface salinity.
Smart Buoy (Bunkering) D6. Decarbonization, emissions and alternative fuels
Floating bunkering installation, sometimes for LNG.
Smart Container E3. Technology, digitalization and smart shipping
Container with IoT for GPS, temperature, shock, door events.
Smart Cruise Ship E4. Cruise, offshore energy and auxiliary/specialised fleets
Heavily digitalized cruise vessel.
Smart Dredging X124. Dredging Industry and Reclamation Contractors
IADC and PIANC initiative on data-driven dredging operations.
Smart Fibres X96. Hull Integrity Monitoring and Strain Gauges
United Kingdom based supplier of fiber Bragg grating sensors and interrogators.
Smart Maritime Network Annual Conference X119. Maritime Conferences, Trade Shows and Awards
Annual digital shipping conference launched 2017.
Smart Maritime Network Awards X119. Maritime Conferences, Trade Shows and Awards
Annual recognition for shipping digitalization.
Smart Port E3. Technology, digitalization and smart shipping
Digitally orchestrated port operations.
Smart Port Conference X119. Maritime Conferences, Trade Shows and Awards
Annual conference held by Port of Rotterdam.
Smart Press Ship Engine (Wartsila) B2. Marine Engineering
Engine performance optimization.
Smart Sanctions X151. Maritime Sanctions, Dark Fleet, and Price Cap Regimes
A concept emphasizing targeted designations (over comprehensive embargoes) for proportionality, drawn from the late-1990s Interlaken/Bonn-Berlin processes.
Smart Ship X109. Maritime Autonomous Surface Ships and MASS Code
A class society term for a vessel with advanced digital and connectivity features that may include autonomy.
Smart Yacht X109. Maritime Autonomous Surface Ships and MASS Code
A Bureau Veritas concept extending Smart Ship principles to the yacht segment under NR 663.
SMART-L X11. Naval Vessels, Warship Systems and Naval Architecture
Thales long-range air search radar, modern MM variant with BMD mode.
Smart-S X62. Naval Warships and Combat Systems
Thales mid-range surveillance radar fitted on Holland-class OPVs and other warships.
Smart3D X54. Naval Architecture Software and IACS Rules
Hexagon 3D plant and marine design platform, evolution of Intergraph SmartMarine 3D.
SmartFind G8 X95. GMDSS Equipment and Survival Craft Communications
McMurdo Category I/II 406 MHz EPIRB with internal GPS.
SmartFind R5 AIS SART X95. GMDSS Equipment and Survival Craft Communications
McMurdo AIS Search and Rescue Transmitter.
SmartFind R5 SART X95. GMDSS Equipment and Survival Craft Communications
McMurdo 9 GHz X band radar SART.
SmartFind S5 PLB X95. GMDSS Equipment and Survival Craft Communications
McMurdo personal locator beacon transmitting on 406 MHz Cospas-Sarsat.
SmartMarine 3D X54. Naval Architecture Software and IACS Rules
Original Intergraph branding for the 3D marine design system now known as Hexagon Smart3D.
Smartmooring AAS X169. Container Terminal Cranes, Yard Equipment, and Lashing
Automated mooring system that secures vessels at berth without conventional lines, brand of Trelleborg.
SMAW X58. Shipbuilding Yards and Construction
Shielded metal arc welding, manual stick welding used for repairs and small joints.
SMB Server Message Block X25. Maritime Cybersecurity, OT and IT
File sharing protocol whose v1 was exploited by EternalBlue.
SMBC X49. Ship Finance, Leasing and Maritime Capital Markets
Sumitomo Mitsui Banking Corporation, a leading Japanese ship finance bank.
SMBC Leasing and Finance X49. Ship Finance, Leasing and Maritime Capital Markets
SMBC group entity engaged in operating lease and JOL transactions.
SMC X8. IACS, Class Rules and Class Notations
Safety Management Certificate issued to the ship under the ISM Code by RO on flag behalf.
SMC (Safety Management Certificate) X170. SOLAS 1974 Convention: Chapter-by-Chapter Glossary
Issued to ship under ISM Code, valid for five years with intermediate verification.
SMCP F5. The Reference Layer: Glossary, Units, Signals and Information Sources
IMO Standard Marine Communication Phrases, adopted 2001.
SMD X122. Submarine Cable Laying, Repair Vessels and Operators
Soil Machine Dynamics, UK supplier of cable burial ROVs and ploughs used by Global Marine, IT International Telecom and Subsea 7.
SMD Quasar Trencher X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines
Subsea trenching machine used on inter-array cable installation, capable of trenching cables to about 3 m depth.
Smeaton, John X39. Pre-1900 Maritime History
English engineer who built the third Eddystone Lighthouse from 1756 to 1759 using interlocking masonry.
Smedegaarden A/S X50. Ship Recycling, Demolition and Hong Kong Convention
A Danish ship recycling yard listed on the EU List of approved facilities, located in Esbjerg.
SMFF X126. Marine Oil Spill Response and OPRC Regimes
Salvage and Marine Firefighting requirements under USCG nontank vessel rule.
SMI X104. Project Cargo Forwarders and Heavy Transport
Society of Maritime Industries, the UK trade body for marine equipment and services.
Smishing X48. Maritime Cybersecurity
Phishing conducted through SMS or other mobile messaging channels.
Smit X124. Dredging Industry and Reclamation Contractors
Boskalis-owned salvage and towage brand, occasionally supporting dredging.
Smit (Boskalis) X137. Harbour Tugs, Towage Operators and Tug Builders
Dutch towage and salvage brand acquired by Royal Boskalis Westminster in 2010, integrated into Boskalis Salvage and Towage divisions.
Smit Borneo X60. Marine Salvage and Wreck Removal
Historic Smit accommodation barge with crane capability.
Smit bracket X3. Ship Handling, Seamanship and Deck Vocabulary
Welded steel bracket on the bow used as a strong point for emergency towing.
Smit Cyclone X60. Marine Salvage and Wreck Removal
Smit Salvage operated ocean tug with bollard pull suited to deep sea salvage.
Smit Hunter X79. Tugs and Towage Industry
Smit International ocean tug used for long-distance towage and salvage.
Smit IGG X93. IBC Code and Chemical Tanker Operations
Inert gas generator product line associated historically with Smit Gas Systems used aboard tankers.
Smit Inert Gas X20. LNG Operations and Custody Transfer
OEM of inert gas generators commonly fitted to LNGCs.
Smit International X79. Tugs and Towage Industry
Dutch towage and salvage company headquartered in Rotterdam, now Boskalis Smit.
Smit Internationale X99. Marine Salvage Awards and SCOPIC
Historic Dutch salvage company, now part of Boskalis Smit Salvage.
Smit Lamnalco X30. Tug Operations and Harbour Towage
Joint venture between Boskalis (Smit) and the Lamnalco group providing terminal and harbor services.
Smit Lion X60. Marine Salvage and Wreck Removal
Smit Salvage operated ocean tug.
Smit Lloyd X137. Harbour Tugs, Towage Operators and Tug Builders
Former Smit subsidiary in offshore towage.
Smit Lloyd Repair Berth X113. Drydock and Ship Repair Yards
Historical reference to Rotterdam-area repair berths historically associated with Smit operations.
Smit Rotterdam X30. Tug Operations and Harbour Towage
Long-established Dutch salvage and towage brand originating in the mid-19th century.
SMIT Salvage X13. Marine Salvage and Wreck Removal
Dutch salvage contractor founded 1842, part of Boskalis since 2010.
Smit Salvage New York X167. Major Salvage Companies, Wreck Removals, and Equipment
Donjon-Smit joint venture office serving the US East Coast under the SMFF regime.
Smit Sandy Cape X60. Marine Salvage and Wreck Removal
Smit Salvage operated ocean tug.
Smit Tak X60. Marine Salvage and Wreck Removal
Historic name of the Rotterdam salvage firm founded in 1842 and now within Boskalis.
Smith Cove Cruise Terminal X164. Cruise Industry, Brands, Ship Classes, and Terminals
Seattle's Pier 91 cruise terminal operated by the Port of Seattle since 2009.
Smith effect B1. Naval Architecture
Pressure reduction in waves affecting wave loads.
Smith Island chart X16. Nautical Science, Navigation and COLREGs
Local reference, not generic.
Smith-McTaggart sea trial correction X162. Naval Architecture, Stability, Resistance, and Structural Design
Wind, wave, and current corrections applied to measured trial power per ITTC and ISO 15016 procedures.
Smith, Christopher QC X99. Marine Salvage Awards and SCOPIC
Member of the Lloyd's Salvage Arbitrators panel.
Smithland Locks and Dam X103. US Inland Waterway Towing and Barge
An Ohio River navigation structure in Kentucky and Illinois.
SMM Awards X119. Maritime Conferences, Trade Shows and Awards
Includes the Maritime Future Summit (MFS) recognitions held during SMM.
SMM Hamburg X119. Maritime Conferences, Trade Shows and Awards
Biennial Shipbuilding, Machinery and Marine Technology trade fair, founded 1963 by Hamburg Messe.
SMM Istanbul (Exposhipping Europort Istanbul) X119. Maritime Conferences, Trade Shows and Awards
Biennial Istanbul international maritime exhibition.
SMM Pilot Pavilion X159. Marine Pilotage, Pilot Districts, and Pilots' Associations
Reference to the SMM Hamburg trade fair area dedicated to pilot equipment manufacturers held biennially.
Smoke alarm (cabin) X170. SOLAS 1974 Convention: Chapter-by-Chapter Glossary
Required by SOLAS II-2/7.5.5 in all cabins on passenger ships.
Smoke detector X19. Engine Room Watchkeeping and UMS Operations
Optical or ionization sensor in machinery spaces under SOLAS II-2/7.
Smoke Detector (Galley) X120. Marine Catering, Provisions and Ship Chandlers
SOLAS II-2 Regulation 7 requirement, photoelectric type standard.
Smoke indicator X19. Engine Room Watchkeeping and UMS Operations
Funnel mounted opacity meter such as Bosch or Sigrist.
Smoke Test X5. Marine Surveying and Inspection
Functional test of smoke detection on cargo holds and machinery spaces.
Smolt X131. Commercial Fisheries, Trawler Fleets and Seafood Processors
Juvenile salmon physiologically ready for transfer to seawater, typically 70 to 200 g body weight.
Smolt Carrier (Aquaculture) X87. Fishing Vessels and Fisheries Management
Well boat transporting juvenile salmon from hatchery to sea cage farm, distinct from capture fishing vessels.
SMOS (Soil Moisture and Ocean Salinity) D5. Coastal processes, sea-level, cryosphere and ocean observation science
ESA L-band radiometer mission.
SMP Sacrificial Marine Anodes X100. Marine Cathodic Protection and Anodes
A commercial supplier of sacrificial anodes for the marine sector.
SMPA X32. Marine Pilotage and Pilot Operations
Singapore Maritime Pilots' Association.
SMPEP X40. Tanker Vetting, SIRE and VIQ
The Shipboard Marine Pollution Emergency Plan required under MARPOL Annex II, reviewed under VIQ Chapter 6.
SMPEP (Shipboard Marine Pollution Emergency Plan for NLS) X171. MARPOL 73/78: Annex-by-Annex Detailed Glossary
The plan required under MARPOL Annex II Reg 17 for ships of 150 GT and above carrying NLS in bulk; may be combined with SOPEP into a Shipboard Marine Pollution Emergency Plan.
SMR (Steam Methane Reforming) X34. Decarbonization, Alternative Fuels and Carbon Pricing
Standard route for gray hydrogen; blue hydrogen adds CCS.
SMS C2. Ship operations, crewing and technical management
Safety management system required by ISM Code.
SMS (Safety Management System) X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA
The ISM-mandated management system whose maturity is examined under TMSA and SIRE.
SMS (Surge Management System) X173. Mooring, Anchoring, OCIMF MEG4, and Equipment Numeral
MEG4-recognised system for managing passing-vessel surge at exposed berths via active tension control or shore tensioners.
SMS Inspection Group X115. Marine Bunker and Cargo Surveying
Inspection group providing bunker and cargo survey services across selected hub ports.
SMST X59. Offshore Wind O&M, CTVs and SOVs
Dutch supplier of motion compensated gangways, cranes, and offshore handling equipment used on SOVs and CSOVs.
Smulders X42. Offshore Wind Installation and Cable Lay
Belgian fabricator producing transition pieces, jackets, and offshore substations.
SMW6 X122. Submarine Cable Laying, Repair Vessels and Operators
Common abbreviation for SEA-ME-WE 6.
Smyril Line X85. Ferries, Ro-Pax Operators and Routes
Faroese operator running Norrona between Hirtshals, Torshavn, and Seydisfjordur.
Snake Island X124. Dredging Industry and Reclamation Contractors
Boskalis project location reference.
Snake mooring X15. Ports, Terminals and Stevedoring
alternative for chemical jetties using flexible hose strings.
Snake-class X77. Naval Mine Warfare and Mine Countermeasures
A historical UK minesweeping motor launch designation.
Snake-Columbia Waterway X166. Inland Waterways, Ferries, RoRo, and Short Sea Shipping
The 465 mi inland navigation route from Lewiston, Idaho via the Snake and Columbia rivers to the Pacific at Astoria, with eight federal lock-and-dam projects.
Snake-Lay X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines
Cable or pipeline installation profile incorporating planned curves to absorb thermal expansion.
Snam X81. Project Cargo, Heavy-Lift and Module Carriers
Italian midstream operator owning FSRUs deployed in Italian regasification.
SNAM Method X20. LNG Operations and Custody Transfer
Italian method for LNG density (Klosek-McKinley variant).
SNAME F3. Seafaring Life, Education, Professions and Institutions
Society of Naval Architects and Marine Engineers, US-based.
SNAME Awards X119. Maritime Conferences, Trade Shows and Awards
Including the David W. Taylor Medal and Davidson Medal presented at the SNAME Maritime Convention.
SNAME Maritime Convention X119. Maritime Conferences, Trade Shows and Awards
Annual Society of Naval Architects and Marine Engineers conference, founded 1893.
Snap-back zone X3. Ship Handling, Seamanship and Deck Vocabulary
Hazardous area into which a parting mooring line may recoil.
Snapper X10. Marine Biology, Fisheries and Oceanography
Reef-associated fish of the family Lutjanidae.
Snatch block X3. Ship Handling, Seamanship and Deck Vocabulary
Block with a hinged side allowing a rope to be inserted without reeving.
SNAV X132. High-Speed Craft, Hydrofoils and Ferry Operators
Italian operator running fast monohull HSCs Naples to Aeolian Islands, Croatia and Sicily, now part of MSC group.
Sneeze Guard X41. Cruise Ship Public Health and VSP/USPH
Transparent barrier at buffet stations protecting food from contamination by guest droplets.
Snefrid Nord Pipeline X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines
Subsea tie-back to the Aasta Hansteen field in the Norwegian Sea.
Snell's law X16. Nautical Science, Navigation and COLREGs
Law governing refraction of light.
Sniffer test X26. Reefer Containers and Cold Chain Logistics
Refrigerant leak inspection using electronic halogen detector.
Snipe F4. Recreational Boating, Yachting and Sport
International two-person one-design dinghy designed by William Crosby in 1931.
SNNM Method X78. Voyage Optimization and Vessel Performance Software
A semi empirical formulation for predicting added resistance in waves used in performance correction calculations.
Snorkel X91. Submarines and Submarine Cable Systems
Submarine air induction and exhaust mast enabling diesel engine operation at periscope depth.
Snow X39. Pre-1900 Maritime History
A two-masted square-rigged vessel similar to a brig but with a small trysail mast abaft the mainmast.
Snow Crab (Chionoecetes opilio) X131. Commercial Fisheries, Trawler Fleets and Seafood Processors
Cold-water crab targeted by Canadian, Norwegian, Russian and US pot fleets.
Snow Hill Island X97. Polar Expedition Cruise and IAATO Operations
Remote Weddell Sea island near an Emperor penguin colony, accessed by ice-capable cruises and helicopter operations.
Snow Petrel X97. Polar Expedition Cruise and IAATO Operations
Pure white Antarctic seabird (Pagodroma nivea) closely associated with sea ice.
Snowmelt drainage (deck) X27. Polar Code, Ice Navigation and Polar Operations
Drainage systems on Polar Code ships should handle melt water without freezing.
SNSM X80. Maritime Search and Rescue Coordination
Société Nationale de Sauvetage en Mer, French sea rescue society since 1967.
Snub X3. Ship Handling, Seamanship and Deck Vocabulary
Suddenly check the running of a rope or cable.
Snubbing X15. Ports, Terminals and Stevedoring
controlled deceleration of a mooring line.
Snurrevod X87. Fishing Vessels and Fisheries Management
Danish name for the anchor seine, the original gear of Danish seiners.
SO2 generator pad X26. Reefer Containers and Cold Chain Logistics
Sulfur dioxide-releasing sheet packed with grapes to control Botrytis cinerea.
SO2 Monitor X69. EGCS Scrubbers, SCR and Marine Air Emissions
Stack analyzer measuring sulfur dioxide concentration under Scheme B.
SO3 Aerosol X69. EGCS Scrubbers, SCR and Marine Air Emissions
Sulfuric acid mist formed when SO3 condenses with moisture in cool exhaust paths.
SOAR X48. Maritime Cybersecurity
Security Orchestration, Automation, and Response platforms used to automate incident workflows.
SOAR Security Orchestration, Automation and Response X25. Maritime Cybersecurity, OT and IT
Platforms automating SOC playbooks.
SOC X6. Container, Intermodal and Trade Codes
Shipper-Owned Container, used in lieu of carrier equipment.
SOC (Security Operations Center) X139. Maritime Cybersecurity, OT Threats and Standards
24x7 monitoring facility; maritime examples include Marlink's NOC and DNV's Cyber Operations Center.
SoC (Statement of Compliance) X34. Decarbonization, Alternative Fuels and Carbon Pricing
Flag-issued document confirming DCS reporting compliance under MARPOL Annex VI regulation 27.
SOC Container X75. IMDG Code, Classes, Packing and Segregation
Shipper Owned Container, accepted for IMDG if CSC compliant and structurally sound.
SOC2 Type II X107. Maritime Cybersecurity and OT Security
Service Organization Control attestation report covering the operating effectiveness of controls over time.
SoCalEdison Catalina Cable X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines
Submarine power cable serving Catalina Island from the Southern California mainland.
Social Connectivity Amendment X154. Maritime Welfare, Seafarer Charities, and MLC Rights
See MLC 2022 amendment.
Social Engineering X48. Maritime Cybersecurity
Manipulation of people to disclose information or take actions that compromise security.
Social Security (MLC Regulation 4.5) X102. Seafarer Welfare and Maritime Charities
MLC 2006 entitlement covering sickness, maternity, old-age, employment injury, family, invalidity, and survivors' benefits.
Social Security Protection (MLC 4.5) X154. Maritime Welfare, Seafarer Charities, and MLC Rights
Standard requiring nine branches of social security with at least three covered by the flag or supplying state.
Societe Generale X112. IMO GHG Strategy, CII, EEXI and EU Maritime Regulation
French bank and founding Poseidon Principles signatory.
Societe Generale Shipping X49. Ship Finance, Leasing and Maritime Capital Markets
French bank shipping franchise.
Society of Lloyd's X117. Marine Insurance Markets, Captives and Reinsurance
The legal entity of Lloyd's under the Lloyd's Act 1982, the regulator and franchise body of the market.
Society of Maritime Arbitrators Inc X51. Maritime Arbitration, Law and BIMCO Clauses
The Society of Maritime Arbitrators incorporated in New York, administering SMA arbitrations.
Sock Lashing X83. ISO Container Manufacturing and Leasing
Specialty lashing arrangement for unitized cargo inside an open-top container.
Soda Blasting X88. Marine Surface Preparation and Coatings Application
Surface preparation using sodium bicarbonate as a non-aggressive abrasive that fractures on impact to clean without significant profile generation.
Soda Lime X82. Saturation Diving and Offshore Diving Operations
Calcium hydroxide-based CO2 absorbent used in scrubbers.
Sodena X73. Marine Hydrography, Charting and ENC
A French ECDIS and electronic chart system manufacturer.
Sodium X2. Marine Bunker Fuels, Lubricants and Bunkering Operations
Element in fuel acting alongside vanadium to cause high-temperature corrosion.
Sodium Aluminate Solid X75. IMDG Code, Classes, Packing and Segregation
UN 2812, Class 8 corrosive solid Packing Group III.
Sodium Chlorate X75. IMDG Code, Classes, Packing and Segregation
UN 1495, Class 5.1 oxidizer Packing Group II.
Sodium Content X115. Marine Bunker and Cargo Surveying
Sodium concentration in residual marine fuels measured per ISO 10478, linked to corrosion when combined with vanadium.
Sodium Cyanide Solid X75. IMDG Code, Classes, Packing and Segregation
UN 1689, Class 6.1 Packing Group I.
Sodium Hydroxide Solid X75. IMDG Code, Classes, Packing and Segregation
UN 1823, Class 8 corrosive solid Packing Group II.
Sodium Hydroxide Solution X1. Cargo Science, Commodities and Cargo Care
IBC Category Y; corrosive.
Sodium Hypochlorite Solution X75. IMDG Code, Classes, Packing and Segregation
UN 1791, Class 8 corrosive liquid.
Sodium Methylate X75. IMDG Code, Classes, Packing and Segregation
UN 1431 dry Class 4.2 with Class 8 subsidiary risk, or UN 1289 solution Class 3 with Class 8 subsidiary risk.
Sodium Na X174. Marine Engine Maintenance, Overhaul, and Condition Monitoring
Lube oil contamination element indicating seawater ingress, typically from cooler tube leaks or scavenge air water carry-over.
Sodium Nitrate X75. IMDG Code, Classes, Packing and Segregation
UN 1498, Class 5.1 oxidizer Packing Group III.
Sodium Peroxide X75. IMDG Code, Classes, Packing and Segregation
UN 1504, Class 5.1 oxidizer Packing Group I.
SOF X71. Shipbrokers and Brokerage Firms
Statement of Facts recording port events, central to broker-supported laytime calculations.
SOFAR Channel D5. Coastal processes, sea-level, cryosphere and ocean observation science
Sound Fixing And Ranging channel where sound travels long distances.
SOFC X111. Methanol, Ammonia and Alternative Marine Fuels
Solid Oxide Fuel Cell technology evaluated for marine ammonia and natural gas applications due to high electrical efficiency.
SOFC (Solid Oxide Fuel Cell) X34. Decarbonization, Alternative Fuels and Carbon Pricing
High-temperature fuel cell capable of running on methane, methanol, or ammonia; tested by ShipFC and others.
SOFIA X10. Marine Biology, Fisheries and Oceanography
FAO's biennial State of World Fisheries and Aquaculture report.
Soft Boom X60. Marine Salvage and Wreck Removal
Lightweight oil containment boom suitable for sheltered waters.
Soft coating X45. Marine Paints, Coatings and Antifouling
Coating that remains flexible and may be removed without difficulty, used in some MARPOL tank applications.
Soft Patch X5. Marine Surveying and Inspection
Temporary patch noted by surveyor for condition record.
Soft Serve Machine X41. Cruise Ship Public Health and VSP/USPH
Frozen dessert dispenser whose disassembly and sanitizing schedule is closely audited under VSP.
Soft Yoke Mooring (SYMS) X20. LNG Operations and Custody Transfer
Permanent mooring system used for some FSRUs.
Soft-iron stern-tube bearing (historic) X38. Propellers, Stern Gear and Shaft Lines
Early stern-tube bearing material, superseded by white metal, lignum vitae, and modern elastomers.
Software Bill of Materials X48. Maritime Cybersecurity
Inventory of software components within a product, increasingly required for shipboard equipment.
Software Bill of Materials (SBOM) E3. Technology, digitalization and smart shipping
Inventory of components in shipboard software.
Software Supply Chain X48. Maritime Cybersecurity
Sequence of activities and parties producing software used on board.
Software, lashing X76. Stevedoring, Lashing and Cargo Securing
See lashing computer.
SOG X23. AIS, GMDSS, IALA Buoyage and Aids to Navigation
Speed Over Ground transmitted in AIS in tenths of a knot; 1023 indicates not available.
Sohar X124. Dredging Industry and Reclamation Contractors
Omani port expansion executed by DEME.
Sohar Bunker Service X72. Bunkering Hubs and Bunker Suppliers
Bunker supply at the Port of Sohar Oman by Asyad Bunkering and Shell Oman.
Soil Index X41. Cruise Ship Public Health and VSP/USPH
VSP term for the type and amount of soil expected on equipment, influencing required sanitizer strength.
Sok Denizcilik X50. Ship Recycling, Demolition and Hong Kong Convention
A Turkish recycling facility at Aliaga, also referenced in some sources as Sok Denmark in error; the Danish yard is Smedegaarden and the Turkish yard is Sok.
Sokana Shipyard X113. Drydock and Ship Repair Yards
Reference smaller Mediterranean yard; specific scope subject to verification before publication.
Sokol X124. Dredging Industry and Reclamation Contractors
Russian Sakhalin oil export terminal requiring dredging support.
SOL Continent Line X85. Ferries, Ro-Pax Operators and Routes
Swedish ro-ro operator on Wallhamn and Oxelosund to Travemunde and Tilbury routes.
SOL Line X85. Ferries, Ro-Pax Operators and Routes
Common name for Swedish Orient Line ro-ro and short-sea operations.
Solace Global X127. Maritime Security, Anti-Piracy and PMSCs
UK risk management firm founded 2007 headquartered in Poole, ISO 28007 certified PCASP provider.
Solandge X125. Superyacht Industry, Builders and Brokers
85.1 m Lurssen delivered 2013.
Solar Constant D1. Physical and chemical oceanography and marine meteorology
Mean solar irradiance at the top of the atmosphere, about 1361 watts per square meter.
Solar day X16. Nautical Science, Navigation and COLREGs
Interval between two successive transits of the Sun.
Solar gain X26. Reefer Containers and Cold Chain Logistics
Heat absorbed from sunlight by deck-stowed reefers; reflective paint reduces impact.
Solar time X16. Nautical Science, Navigation and COLREGs
Time measured by the Sun.
Solar yacht X125. Superyacht Industry, Builders and Brokers
Yachts with significant photovoltaic input, examples being the Arcadia Sherpa and Silent Yachts catamarans.
SolarDuck X57. Ocean Energy Beyond Wind
Netherlands-Norway floating solar developer focused on offshore-grade floating photovoltaic systems.
SolarWinds 2020 X107. Maritime Cybersecurity and OT Security
Supply chain compromise disclosed in December 2020 in which the Orion software update mechanism was used to distribute the SUNBURST backdoor.
SolarWinds Sunburst X25. Maritime Cybersecurity, OT and IT
Trojanized Orion update discovered December 2020 affecting US federal agencies and global enterprises.
SOLAS A2. Maritime safety legislation: SOLAS and its codes
International Convention for the Safety of Life at Sea, 1974; the IMO treaty setting minimum construction, equipment, and operation standards for merchant ships.
SOLAS (Safety of Life at Sea) X35. Yacht and Superyacht Industry
IMO convention applied in modified form to commercial yachts via flag-state yacht codes.
SOLAS 1914 X158. IMO Conventions, Protocols, Codes, and Resolutions
First International Convention for the Safety of Life at Sea, adopted 20 January 1914 in London after the Titanic disaster but never entered into force due to World War I.
SOLAS 1929 X158. IMO Conventions, Protocols, Codes, and Resolutions
Second SOLAS Convention adopted 31 May 1929 and entered into force 1 January 1933.
SOLAS 1948 X158. IMO Conventions, Protocols, Codes, and Resolutions
Third SOLAS Convention adopted 10 June 1948 and entered into force 19 November 1952.
SOLAS 1960 X158. IMO Conventions, Protocols, Codes, and Resolutions
Fourth SOLAS Convention adopted 17 June 1960 under IMO auspices and entered into force 26 May 1965.
SOLAS 1974 X146. Port State Control Regimes, MoUs, and Inspection Systems
The International Convention for the Safety of Life at Sea, the principal convention enforced through PSC.
SOLAS Carriage Requirement X129. Hydrographic Offices, Survey Vessels and Marine Cartography
SOLAS Chapter V regulation 19 requirement for nautical charts and nautical publications, met by paper or ECDIS-with-ENC.
SOLAS Chapter I X158. IMO Conventions, Protocols, Codes, and Resolutions
General Provisions covering applicability, definitions, surveys, and certificates.
SOLAS Chapter II-1 X24. Cruise, Passenger Ship and Ferry Operations
Construction, subdivision, and stability, machinery and electrical installations.