Please enter a keyword to search or click a letter below to browse the list of abbreviations and definitions through our glossary index.


Search Results for S
  • South; Summer loadline 
  • S & P or SANDP 
    Sale and purchase 
  • S d/k 
    Shelter deck 
  • S&P 
    Sale and purchase 
  • S+R 
    Signing and Releasing 
  • S-57/S-63 
    S-57/S-63 is the primary format for all type-approved ECDIS systems that meet IMO/SOLAS chart carriage requirements. 
  • s.G 
    An abbreviation of specific gravity. 
  • s.s. & c. or SS and C 
    Same sea and country coast 
  • S.T.C. 
    Said to contain 
  • S.THR. 
    Side Thruster 
  • S/A 
    Safe Arrival or Subject to Approval 
  • S/A or SA 
    South America; South Australia; South Africa; Safe Anchorage; Salvage Association 
  • S/D 
    Sight Draft or Sea Damage 
  • S/FA 
    Shipping and Forwarding Agent 
  • S/N 
    Shipping note 
  • S/O 
    Ship owner 
  • S/R 
  • S/R B/L or S+R B/L or SRBL 
    Signing and Releasing Bill(s) of Lading 
  • S/S 
    Service Speed or Special Survey or Steamship 
  • S/S/R/CMA 
    Stem, suppliers, receivers, charterers management 
  • SA 
    Safe Anchorage or South Atlantic or South America or South Africa or South Australia or Sociéte Anonyme 
  • SA/SHEX 
    Saturday afternoon/Sundays and holidays excepted.(Excluded) 
  • SABIO 
    Stem and Berth in order 
  • SAE 
    Stamped and addressed envelope 
  • SAFE Port Act 
    Is the Security and Accountability For Every Port Act of 2006 which is an Act of Congress in the United States that covers port security. 
  • Safety Case 
    Some countries such as Canada, Australia, Norway and the UK require a Safety Case to be developed before permission is given to develop and operate an oil field. Various safety studies are conducted and reviewed. If approved, the oil company is allowed to
  • Sail Training Ship 
    A sailing vessel used to train merchant/naval seamen or youth training. 
  • Sailing Draft 
    the vertical depth below the water surface in which the vessel moves in 
  • Sailing Vessel 
    A sailing vessel of unspecified function 
  • SAL 
    Single Anchor Loading - Consists of a single or double mooring line attached to a suction anchor or pile on the seabed. A swivel stands on top of anchor. The oil flow is carried through a flexible hose up to the ship, which "weathervanes" freely around th
    Salvage Convention 1989, (IMO) 
  • SALM 
    Single Anchor Leg Mooring 
  • Salvage Ship 
    A vessel equipped for salvage operations 
  • Salvage Vessel, Naval Auxiliary 
    A naval auxiliary vessel fitted with salvage equipment. 
  • SAN 
    Styrene-acrylonitrile. SAN is a transparent, rigid styrenic plastic offering high chemical resistance, used mainly in the automotive, electrical and electronics industry, as well as in household applications and building products.. 
  • Sanction 
    An embargo imposed by a Government against another country. 
  • SAP 
    Single Anchor Production - Involves placing a multi-path production swivel on a seabed anchor. Can be used in most water depths and is expected to have a large potential in combination with subsea production equipment. 
  • Saponification Value 
    The saponification value is defined as the number of milligrams of potassium hydroxide required to saponify completely one gram of the substance. It is a measure of the free and combined fatty acids present. By deducting the acid value from the saponifica
  • SAR 
    Search And Rescue 
  • SART 
    Search and Rescue Transponder 
    Satellite Communication 
    Sattelite communications 
    Satellite Navigation 
  • SATPM 
    Saturday P.M 
    Saturdays PM Sundays and holidays excluded 
    Saturdays, Sundays and holidays excluded 
    Saturdays, Sundays, Holidays Included 
  • Saturated Acids 
    Important components of fats and oils. The most common saturated fatty acids are palmitic, stearic, lauric and myristic. 
  • saturates 
    Hydrocarbons with no multiple bonds. Paraffins and naphthenes. 
  • SATV 
    Safe Access to Vessels Working Group 
  • SB 
    Safe berth 
  • SB 
    Safe berth or Southbound 
  • SB or SBS 
    Safe berth 
  • SBA 
    Secondary Butyl Alcohol 
  • SBE 
    Standby engine 
  • SBM 
    Single Buoy Mooring or Soy Bean Meal 
  • SBP 
    Safe berth-port 
  • SBR 
    Styrene-Butadiene Rubber. SBR is a rubber manufactured from styrene. Because of its excellent abrasion resistance, it is widely used in automobile and truck tires, as well as for carpet backing and paper coating. Other applications are in belting, floorin
  • SBT 
    Segregated Ballast Tanks: These are tanks that are completely segregated from the cargo oil and fuel oil systems and which are permanently allocated to the carriage of ballast. Requirements for meeting the SBT criteria are detailed in MARPOL 13. 
  • SBT/PL 
    Segregated Ballast Tanks Protectively Located  
  • SC&S 
    Strapped, corded and sealed 
  • SCAC 
    Standard Carrier Alpha Code 
  • SCAC Code 
    See Owner Code. 
  • Scaling Temperature 
    The temperature, above which steel oxidizes at a high rate 
  • Scantling Draft 
    the maximum draft at which a vessel complies with the governing strength requirements of classification societies. 
  • SCBRA 
    Speed Reduction and Bunker Consumption Algorithm 
  • Schedule B 
    The Statistical Classification of Domestic and Foreign Commodities Exported from the United States. 
  • SCM 
    Stern to Center Manifold 
  • SCNT 
    Suez Canal Net Tonnage 
  • SCOS 
    Submerged Crude Oil Storage - This Teekay-designed system stores crude oil underwater in an inflatable balloon-type structure made of a flexible polyester fabric, with a coating impervious to seawater and oil. 
  • SCP 
    Sub-area Contingency Plan (10 regional plans that supplement the AK Unified Plan) 
  • screen 
    Oil trading jargon for the electronic network quotes of futures market prices. Other nicknames include "the TV" and "the print." The industry discusses physical market activity and does business at levels which sound like "screen plus 25" and "85 points u
  • SCUBA 
    Self-Contained Underwater Breathing Apparatus 
  • Scuttlebutt 
    A butt was a barrel. Scuttle meant to chop a hole in something. The scuttlebutt was a water barrel with a hole cut into it so that sailors could reach in and dip out drinking water. The scuttlebutt was the place where the ship's gossip was exchanged. 
  • SD 
    Self-Discharging or Single Deck or Sight Draft or Short Delivery 
    Self Discharging 
  • SD or SID 
    Single decker 
  • SDBC 
    Single Decker bulk carrier 
  • SDBL 
    Sight draft, B/L attached 
  • SDD 
    Store door delivery 
  • SDG 
  • SDR 
    Special Drawing Rights (IMF) 
    Single Decker Self-trimming bulk carrier 
  • SDWT 
    Summer deadweight 
  • SEA 
    South East Asia 
  • Sea Waybill 
    Document indicating the goods were loaded onboard when a document of title (b/L) is not needed. Typically used when a company is shipping goods to itself. 
  • Sea–Bee Vessels 
    Ocean vessels constructed with heavy–duty submersible hydraulic lift or elevator system at the stern of the vessel. The Sea–Bee system facilitates forward transfer and positioning of barges. Sea–Bee barges are larger than LASH barges. The Sea–Bee system i
    Costs charged for transporting goods over the sea. This SEAFREIGHT does not cover any haulage or loading/discharging costs but the sea transport only. 
  • Seagoing (voyage) 
    The part of a voyage that is not wholly within inland waterways or harbour walls / port limits. 
  • Seagoing Barges 
    Self-propelled barges or towed/pushed dumb barges which are classed for sea-going trade, or which may be classified for estuarial or restricted seagoing voyages between nominated ports. Seagoing barges may be mandated by international conventions, and ma
  • Simple Triglyceride 
    A triglyceride comprised of three identical fatty acids. 
  • SIR 
    Ship SIR (Chemical) and (Gas) 
  • SIRC 
    Styrene Information and Research Council (USA) 
  • SIRE 
    Ship Inspection Report Exchange: The OCIMF managed database system that will hold the Inspection Reports carried out by participating members. The aim is to reduce the duplication of the number of inspections carried out on vessels. 
  • SIT 
    Stopping in transit 
    Simplification of International Trade Procedures (Board) 
  • SKIDS 
    Are bearers (timber or steel) positioned under cargo to enable fork lift handling at port, and for ease of rigging and lashing on board ship 
  • SKO 
    Superior kerosene oil 
  • SKOR 
    South Korea 
  • Skyscraper 
    A small triangular sail set above the skysail in order to maximize effect in a light wind. 
  • SL 
    Sailed or Salvage Loss 
  • SL&C 
    Shipper's load and count 
  • SL&T 
    Shipper's Load and Tally 
  • SL/W 
    Shippers load and count.All three clauses are used as needed on the bill of lading to exclude the carrier from liability when the cargo is loaded by the shipper. 
  • SLD 
  • Sleepers 
    Loaded containers moving within the railroad system that are not clearly identified on any internally generated reports. 
  • SLF 
    Stability and Load Lines and on Fishing Vessels' Safety 
  • Sling 
    A wire or rope contrivance placed around cargo and used to load or discharge it to/from a vessel. 
  • Slip 
    A vessel’s berth between two piers. 
  • Slip Point 
    Fats consist of a complex mixture of glycerides and therefore do not have sharp melting points, unlike pure chemical substances. The slip point of a fat is the temperature at which a column of fat in an open capillary tube moves up the tube when it is sub
  • Slop Tank Charging Operations 
    Whereby a dedicated slop handling vessel supplies a quantity of oil to a vessel for tank washing and/or line flushing purposes. 
  • Slop tanks 
    A tank utilized to store the COW medium and receipt of tank washings. 
  • Slot Charter 
    A time or voyage charter under which the slot charterer has the right to use only a specified amount of the ship's container carrying capacity. In container liner trades, such charters may be reciprocal ("cross slot charters") between operators / carriers
  • SLPTA 
    Slop Tanks 
  • SLS&C 
    Shipper's load, stow and count 
  • SLSD 
    Stowed, lashed, secured, dunnaged 
  • SLT 
    Sludge Tank 
  • Sludge 
    That element of the material in a ship's cargo tank which is essentially not free flowing. It consists or hydrocarbon waxes and may contain water/oil emulsions and sediments. 
  • Slush Fund 
    A slushy slurry of fat was obtained by boiling or scraping the empty salted meat storage barrels. This stuff called "slush" was often sold ashore by the ship's cook for the benefit of himself or the crew. The money so derived became known as a slush fund.
  • SM 
    Styrene Monomer 
  • Small 
    Tankers often used in coastal waters -Size: 10,001 dwt - 19,000 dwt 
  • SMC 
    Ship Management Certificate (ISM) 
  • SME 
    Small and medium-sized enterprise  
  • Smell  
    Tank Cleaning: Minor residues of a smell-producing cargo left in lines, valves and pumps (including pump cofferdams) can contaminate a sensitive cargo. To neutralise the smell of some chemicals (e.g. Acrylate, Nitrobenzene or Pygas) the use of a smell kil
  • SMM 
    Safety Management Manual (ISM) 
  • Smoke Point 
    The temperature at which smoke is visibly evolved from an oil as it is being heated. The smoke point is highly dependent on the content of free fatty acids in the oil. A high smoke point is desirable, particularly when using an oil for frying. 
  • smoke point 
    An indication of how cleanly kerosene burns. The test reports how high a flame can extend above a wick-fed lamp without making soot. 
  • SMS 
    Safety Management System 
  • SO 
    Ship's option or Shipping order 
  • Soap 
    Soap is commonly used to describe the chemical compound formed by the reaction of an alkali or a metal with fat or fatty acids. Sodium soaps are the most usual products used for toilet and laundry washing. Calcium, potassium and ammonium salts have some s
  • Soap Stock 
    The aqueous by-product from the chemical refining operation that is comprised of soap, hydrated gums, water, oil and other impurities. 
  • Soapstock 
    In the chemical refining of crude oils, free fatty acids are removed by neutralisation with alkali and settle to the bottom as alkali soaps, known as soapstock. 
  • SOB 
    Shipped on board 
  • SOC 
    Shipper Owned Container 
  • SOCPF 
    Statement of Compliance for Port Facility 
  • SOF or S/F 
    Statement of facts. At the end of the stay of the ship in the port the agent will make up the history with all data which are important for the Ship Owner and for the Charterer and that are related to the loading and the discharging of the ship. This hist
  • SOL 
    Shipowner's liability or Shipper owned/leased 
  • SOLAS 
    International Convention for Safety Of Life At Sea (1974/78): The International regulations which relates to the safe construction and safety equipment to be carried on all sea going self propelled vessels. 
  • Solid Fat Content 
    Fats such as butter, margarine, bakery shortening, beef tallow and cocoa butter appear to be solid but are, in fact, a mixture of solid and liquid components. The proportion of solid present at various temperatures of use is often of interest in relation
  • Solubility 
    The extent to which a substance mixes with a liquid to produce a solution 
  • Solvent 
    A solvent is a liquid that has the ability to dissolve, suspend or extract other materials, without chemical change to the material or solvent. Solvents make it possible to process, apply, clean or separate materials. Water is an inorganic solvent. Organi
  • Solvent Extraction 
    A process which usually uses hexane as a solvent to extract oil from oil-bearing materials. The residual oil left in extracted soyabean flakes or meal can be reduced to one percent or less. In the United States, nearly all soyabeans are processed by solve
  • SOM 
    Swedish Official Measure 
  • Son of a Gun 
    When in port, and with the crew restricted to the ship for any extended period of time, wives and ladies of easy virtue often were allowed to live aboard along with the crew. Infrequently, but not uncommonly, children were born aboard, and a convenient pl
  • SOP 
    Standard Operating Procedures 
  • SOPEP 
    Shipboard Oil Pollution Emergency Plan (ISM) 
  • SOSC 
    State On-Scene (On-Site) Commander 
  • sour 
    High in sulfur content. Sour vacuum gasoils, for example, contain more than about 0.5 sulfur, the common limit for sweet vacuum gasoils. Application of this term to natural gasolines tends to focus on mercaptan sulfur concentration. Sour natural gasolines
  • sour crude 
    Petroleum with high sulfur content. In this case, high commonly means more than 1.0 weight percent. 
  • Sour Crude 
    Crude oil with a high sulphur content. 
    Under hook 
    Under hook discharge 
  • southern grade 
    see Northern grade. Motor gasoline that meets Colonial pipeline specifications for product delivered to points south of Greensboro, North Carolina 
  • Soyabean Oil 
    Soyabean oil is obtained by solvent extraction of the soyabean. The oil content of the bean is about 18%, but the residue is a valuable high protein feed meal and represents about 60% of the sale value of the crop. 
  • SP 
    Safe Port 
  • sp. Gr. 
    An abbreviation of specific gravity. 
  • SPA 
    Subject to Particular Average. See also Particular Average. 
  • Space Charter 
    A voyage charterparty under which the space charterer has the right to use only part of the vessel's capacity. 
  • SPASS 
    Skaw - Passero range 
  • SPB 
    St. PetersBurg 
  • SPD 
    Speed or Ship Pays Dues 
  • SPD/CONS. 
    Speed and Consumption 
  • Specific Gravity 
    The specific gravity of a substance is the ratio of the mass of a given volume of the substance to the mass of an equal volume of water at a specific temperature. In the AOCS Methods Cc 10a-25 for oils and liquid fats (Cc 10b-25 for solid fats), the ratio
  • specific gravity 
    An expression of materials' density in terms of their relationship to a reference substance. Water at 4 C serves as the reference for hydrocarbons, both liquid and solid. Water has specific gravity of 1.0, as 1 cc of its weighs 1 gram. The specific gravit
  • SPI 
    Society of Plastics Industry (USA) 
  • spike 
    Injection of one stream into another for later recovery. Transportation of some condensates, for instance, takes place by spiking them into crude oil cargoes. 
  • Spine Car 
    An articulated five–platform railcar. Used where height and weight restrictions limit the use of stack cars. It holds five 40–foot containers or combinations of 40– and 20–foot containers. 
  • SPM 
    Saturday P.M. or Single Point Mooring 
    SPM Operating & Maintenance Guidelines 
  • SPN 
  • SPORE 
  • Spot Charter 
    A type of arrangement when a charterer fixes a vessel for a single laden voyage from one or more load ports to one or more discharge ports. The owner receives freight either on a dollar per ton basis or on a lump sum basis. 
  • spot Charter 
    Arrangement for a ship to carry a certain cargo on a particular route. Such deals, sometimes called voyage charters, usually cover a single trip. Commitments for two or more consecutive voyages do happen, though, occasionally. In a spot charter, the shipo
  • spot Deal 
    An isolated sale. In transactions of this kind, a specific quantity of oil, usually a convenient unit like a cargo, a bargeload, or a pipeline batch, changes from seller's hands to buyer's. The notion once assumed promptness. That element has vanished now
  • Spot Vessel 
    Spot vessel means vessels contracted for a single voyage and not included in a COA. 
  • Spotting 
    Placing a container where required to be loaded or unloaded. 
  • Spreader 
    A piece of equipment designed to lift containers by their corner castings. 
  • SPT 
  • SQAS 
    Safety and Quality Assessment System 
  • Squat 
    the tendency of a ship to draw more water astern than when stationary, this amounts to less available underkeel clearance 
  • SR 
    Soviet Register 
  • SR 
    Stabilizer Room (OCIMF acronym) 
  • SRBL 
    Signing and Releasing Bill of Lading 
  • SRC 
    Slops Receiving Station 
  • SRML 
    Single Rope Maximum Loading 
  • SRT 
    Spill Response Team 
  • SS 
    Suez Laden, Suez Ballast 
  • SS 
    Shipside or Self-Sustained or Screw Steamer or Stainless Steel 
  • SS, S.S. or S/S 
    A steamboat or steamship, sometimes called a steamer, is a ship in which the primary method of propulsion is steam power, typically driving propellers or paddlewheels. The term steamboat is usually used to refer to smaller steam-powered boats working on l
  • SSA 
    Ship Security Assessment 
  • SSB 
    Single Side Band 
  • SSBA 
    Surface Supplied Breathing Apparatus 
  • SSC 
    Scientific Support Coordinator 
  • sSF 
    saybolt seconds, Furol. The unit of Saybolt Furol viscosity, a method of determining liquids resistance to flow. An alternate acronym, SFS, for Saybolt Furol seconds, remains in use. 
    Saturdays, Sundays and holidays included 
  • SSO 
    Ship Security Officer 
  • SSP 
    Ship Security Plan 
  • SSSCL 
    Ship/Shore Safety Checklist for Safe Transport, Handling and Storage of Dangerous Substances in Port Areas 
  • SST 
    Short ton (2000 lb. Avoirpois) 
  • SSTG 
    ICS/OCIMF Ship to Ship Transfer Guide 
  • sSU 
    saybolt seconds, Universal. The units of an empirical flow resistance measurement (Saybolt Universal viscosity). The acronym sometimes appears as SUS, Saybolt Universal seconds. 
  • SSW 
    Summer salt water 
  • ST 
    Side tank 
  • ST 
    Sidethruster room (OCIMF acronym) 
  • stability 
    Crude and products which will not change spontaneously or readily have this attribute. Jet fuels, for instance, need thermal stability. They must resist decomposition when heated. 
  • Stability 
    Ship Stability: The tendency of a vessel to return to an erect position after being inclined by an exterior force.Also known as positive stability. 
    It is paramount that a vessel is stable in all respects at all times. When cargo is loaded / discharged, the stability is monitored by a computer, which takes into account the weight and position of cargo within the vessel 
  • Stabilization 
    An addition of titanium or niobium, making stainless steels less sensitive to intergranular corrosion 
  • stabilized Crude 
    Crude and condensates come from the ground mixed with gas and light gas liquids. Removal of these volatile materials leaves a stabilized stream--one with a vapor pressure ordinary storage and transportation vessels can safely handle. 
  • Stabilizer 
    A stabilizer is a substance added to another substance to prevent an alteration of its physical state. Stabilizers are added to plastics so as to allow them to have a long and useful life in any application, by keeping their properties stable. 
  • stable 
    The notion of constancy and steadiness has several applications in the oil industry. Frequently it describes crude freed of volatile light ends--stabilized crude. Other times, it refers to blends of compatible components, mixtures which will not spontaneo
  • Stack Car 
    An articulated five–platform rail car that allows containers to be double stacked. A typical stack car holds ten 40–foot equivalent units (FEU’s). 
  • Stacktrain 
    A rail service whereby rail cars carry containers stacked two high on specially operated unit trains. Each train includes up to 35 articulated multi–platform cars. Each car is comprised of 5 well–type platforms upon which containers can be stacked. No cha
  • standard Export Quality 
    A common description of crude oils sold on the world market. The normal run of a crude grade as available at a loading point. 
  • Standard Industrial Classification (SIC) 
    A standard numerical code used by the U.S. Government to classify products and services. 
  • Standard International Trade Classification (SITC) 
    A standard numeric code developed by the United Nations to classify commodities used in international trade, based on a hierarchy. 
  • Standby Safety Vessel 
    A vessel primarily equipped to perform safety standby duties. Will be fitted with accommodation and facilities for the rescue, reception and initial care of survivors from offshore installations accidents 
  • Starboard 
    Right side of a ship when facing the front or forward end 
  • Start Over with a Clean Slate 
    A slate tablet was kept near the helm on which the watch keeper would record the speeds, distances, headings and tacks during the watch. If there were no problems during the watch, the slate would be wiped clean so that the new watch could start over with
  • Statute Of Limitation 
    A law limiting the time in which claims or suits may be instituted. 
  • STB(D) 
  • STBC 
    Self-trimming bulk carrier 
  • STBD 
  • STBL 
    Ship To Be Lightered 
  • STC 
    Said to contain. 
  • STCC 
    Standard Transportation Commodity Code 
  • STCW 
    Standards of Training, Certification and Watchkeeping 
  • STCW 95 
    Standards of Training Certification and Watchkeeping Convention (IMO) 
  • STCW V Para 1 
    Completed basic tanker training that applies to junior officers who have cargo-handling responsibilities 
  • STCW V Para 2 
    Completed specialized training that is required for officers who have operational responsibility for cargo transfer 
  • STDS 
  • steam Cracker 
    A petrochemical plant unit which produces olefins, particularly ethylene, and in some cases aromatics, by pyrolysis. The trade often calls these plants ethylene crackers, after their primary product. Some units, called light liquids crackers, crack ethane
  • Steam cracking-Steam cracker 
    Steam cracking, a further application of thermal cracking, is a petrochemical process used to produce olefinic raw materials (e.g. propylene, ethylene) from various feedstocks for petrochemicals manufacture. The feedstocks range from ethane to vacuum gas
  • Steam Supply Pontoon, non propelled 
    A non propelled pontoon used for the purpose of generating a steam supply 
  • Steamship Conference 
    A group of vessel operators joined together for the purpose of establishing freight rates. 
  • Steamship Guarantee 
    An indemnity issued to the carrier by a bank; protects the carrier against any possible losses or dam- ages arising from release of the merchandise to the receiving party. This instrument is usually issued when the bill of lading is lost or is not availab
  • Stearic Acid 
    Chemically, an 18 carbon chain saturated acid. Commercially, the term is used for mixed solid acids of various compositions. Stearic acid is used for industrial purposes such as in the rubber and oleochemical industries. Beef tallow is the principal sourc
  • Stearin  
    The term refers to the solid fraction of an oil obtained by filtration or centrifugation after the oil has been crystallised at a controlled temperature. Stearins are characterised by being more saturated than the oils from which they are derived. Fractio
  • STEL 
    Short Term Exposure Limit. See Threshold Limit Value 
  • STEM 
    Referring to the readiness of cargo which is often a prerequisite to the fixing of a vessel 
  • stem 
    A parcel of crude or product made available by a supplier. Sometimes a lot provided to a term lifter. Sometimes a spot availability. 
  • stem dates 
    see LAYDAYS 
  • Sterilization  
    Sterilisation is the first process carried out at the oil mill. Fresh fruit bunches are loaded into cages as soon as possible after arrival at the mill, and the cages, which run on rails, are loaded into a horizontal cylindrical pressure vessel. The load
  • STERN 
    At or towards the rear of a ship 
  • Stern Trawler 
    A vessel for catching fish by trawling with nets handled over the stern 
  • Sterol 
    A compound made up of the sterol nucleus and 8-10 carbon side chain and an alcohol group. 
  • Stevedore 
    Individual or firm that employs longshoremen and who contracts to load or unload the ship. 
    International convention on standards of training certification and watch-keeping for seafarers 
    International Convention on Standards of Training, Certification, and Watchkeeping for Seafarers, 1978 
    Seafarers training certification and watch-keeping 
  • STG 
    Salvage tug 
  • Still 
    Informal, familiar abbreviations of distillation unit. 
  • STL 
  • STOF 
    Statement of facts 
  • stoke 
    The basic unit of kinematic viscosity. Most of the time, the industry uses a smaller unit, CST (centistokes). One stoke equals 100 centistokes. 
    The Safe Transfer of Liquified Gas in an Offshore Environment 
  • Stone Carrier 
    A vessel for the carriage of large stones for the construction of breakwaters and the like; stones are discharged sideways from a flat deck 
  • Store–Door Pick–up Delivery 
    A complete package of pick up or delivery services performed by a carrier from origin to final con- sumption point. 
  • Storing Operations 
    Whereby a vessel loads a quantity of spares, stores, victualling goods or crew effects for the consumption and/or utilisation by the vessel and her assigned personnel. 
  • Stowage 
    A marine term referring to loading freight into ships’ holds. 
  • STR 
    Steamer of Strait 
  • Straddle Carrier 
    Mobile truck equipment with the capacity for lifting a container within its own framework. 
  • Straight (solid) stream 
    Method used to apply or distribute water from the end of a hose. The water is delivered under pressure for penetration. In an efficient straight (solid) stream, approximately 90% of the water passes through an imaginary circle 38 cm (15 inches) in diamete
  • Straight Bill of Lading 
    A non–negotiable bill of lading which states a specific identity to whom the goods should be delivered. See Bill of Lading. 
  • straight-Run 
    A product of crude distillation as opposed to cracking. Some feedstock outlets require straight run materials. Production of catfeed, for instance, demands straight run residue. 
  • Strauss Test 
    Corrosion testing in a copper sulphate solution containing sulphuric acid. Used to detect the susceptibility to intergranular corrosion of stainless steel 
  • Stray current corrosion 
    Impressed current corrosion caused by current flowing through paths other than the intended circuits 
  • stream 
    Any hydrocarbon flow. Some uses of this general term include the product emerging from a processing unit (e.g., the naphtha stream from a crude still), the supply of a raw material or product (e.g., the natural gasoline stream from West 
  • Streicher Test 
    Corrosion testing in a ferric sulphate solution containing sulphuric acid. Used to detect the susceptibility to intergranular corrosion of stainless steel 
  • Stress corrosion 
    Process involving conjoint corrosion and straining of the metal due to applied or residual stress 
  • Stress relieving 
    Heat treatment carried out in order to reduce internal stresses in steel 
  • Stripping 
    Stripping is the process of removing free fatty acids by steam distillation during physical refining. This is usually carried out in the deodoriser. This is the second operation of the palm oil mill. After sterilisation each cage is tipped into a hopper w
  • Stripping 
    The removal of the final contents of a cargo tank using equipment additional to the main cargo pumps. 
  • STS 
    ship to ship 
  • Stuffing 
    Putting cargo into a container. 
  • STW 
    Said To Weigh or Stowage 
  • STW 
    Standards of Training and Watchkeeping 
  • STWG 
    Stowing (cbm/feet) 
  • STWGE 
  • Styrene 
    Styrene is a clear, colorless liquid that is derived from petroleum and natural gas by-products, but which also occurs naturally. Styrene is used to create plastic materials used in a wide range of strong, flexible, and lightweight products. It is used in
  • Styrenic plastics 
    Plastics based on resins made by the polymerization of styrene or co-polymerization of styrene with other unsaturated compounds the styrene being in greatest amount by weight. Styrene plastics are easy to process and offer excellent price/performance rati
  • SU 
    Set up 
  • SUB 
    Subject to, or Substitute 
  • Sub Dets 
    Subject Details 
  • SUB or SUBS 
  • Sub Stem 
    Subject Stem. Relating to the availability of cargo on the date or dates on which a ship is offering to load. 
  • Sub-Panamax Vessel 
    a fully cellular containership that is less than the maximum dimensions to transit the Panama Canal and can carry between 2,000 and 3,000 TEUs 
  • Subchronic (aquatic) toxicity 
    Adverse effects on aquatic organisms that occur largely from continuous long-term exposure to a chemical or other potentially toxic material or agent, along or in combination, but where the exposure time covers only a portion of the life cycle (lifespan)
  • Subchronic toxicity 
    Effects resulting from repeated exposure to a material for 10 to 15% of the lifespan of the species; for rodents this is about three months.  
  • Subject 
    A qualification on the approval to use a vessel that requires the owner or Charterer (or both) to obtain a positive response from the owner or Charterer (or both) that the vessel subject (qualification) is lifted before the vessel can be fixed (chartered)
  • subjects 
    Unresolved items which prevent confirmation of a deal. Tanker chartering and oil trading both involve negotiations which conclude "subject to" removal of some exception. A charterer might fix a ship subject to stem confirmation or subject manage
  • Submarine 
    A combat vessel designed to operate underwater 
  • Submarine Chaser 
    A combat vessel specifically designed for the pursuit and attack of submarines 
  • Submarine Salvage Vessel 
    A naval auxiliary vessel specifically adapted for the recovery of stranded submarines 
  • Submersible 
    A non naval submersible craft 
  • Subrogate 
    To put in place of another; i.e., when an insurance company pays a claim it is placed in the same posi- tion as the payee with regard to any rights against others. 
  • Substance 
    The word "substance" is used to mean chemical elements and their compounds in the natural state or obtained by any production process, including any additive necessary to preserve the stability of the product. In the European legislation, only the word "s
  • Substantial Corrosion 
    Substantial corrosion exists if the diminution of the structural element under consideration is in excess of 75% of the maximum allowable diminution, as defined by the vessel's Classification Society for each structural element.  
  • SUCL 
    Set up carload 
  • Suction Dredger 
    A vessel equipped to obtain material from the sea bed by use of a suction pipe. The material may be carried on board, transferred to other vessels, pumped ashore or deposited elsewhere using a spray 
  • Suction Dredger Pontoon 
    A non propelled dredger pontoon fitted with suction equipment 
  • Suez Net Tonnage Volume 
    100 cubic feet = 1 ton of cargo carrying capacity assigned to a vessel by the Suez Canal Authority, issued on vessel''s first transit of canal. The tonnage is used to calculate fees and tolls. 
  • Suezmax 
    Vessel designed for carrying bulk crude oil in tanks.(120,000 dwt - 200,000 dwt) 
  • Suezmax Tanker 
    A tanker of 120,000 to 199,000dwt. 
  • Sufferance Wharf 
    A wharf licensed and attended by Customs authorities. 
  • SULCL 
    Set up in less than carload 
  • sulfur 
    An element which contaminates crude and refined products. Its presence in troublesome or objectionable quantity makes a stream sour. Oil which contains much sulfur can corrode processing hardware, smell bad, fetch less money than sweet grades, and require
  • Summer Draft 
    Summer draft is the vertical distance between the summer load line and the bottom of the hull. 
  • Sunflower Oil 
    Sunflower oil is obtained from the decorticated seeds of the sunflower (""Helianthus Annuus""). A high quality unrefined edible oil may be obtained by cold pressing of the seeds but the bulk of the commercial product is obtained by hot pressing and solven
  • Superabsorbents 
    Polymers of acrylic acid, superabsorbent material is widely-used in personal care products to absorb fluids. It comes in the form of large particles, about the size of table salt, that are enclosed in the interior of the product, and helps to keep skin he
  • Supercargo 
    Person employed by a ship owner, shipping company, charterer of a ship or shipper of goods to supervise cargo handling operations. Often called a port captain 
  • Superintendency 
    Practice of overseeing a project or ship as the authorized representative of a customer. 
  • Supply Chain 
    A logistical management system which integrates the sequence of activities from delivery of raw ma- terials to the manufacturer through to delivery of the finished product to the customer into measur- able components. “Just in Time” is a typical value–add
  • Supply Platform, jack up (Lift Boat) 
    A supply platform, jack up (Lift Boat) 
  • Supply Platform, semi submersible 
    A semi submersible offshore supply platform 
  • Supply Tender 
    A vessel equipped as a general purpose supply vessel to remote communities (e.g. on islands, in the Arctic) 
  • Surcharge 
    An extra or additional charge 
  • Surface Transportation Board (STB) 
    The U.S. federal body charged with enforcing acts of the U.S. Congress that affect common carriers in interstate commerce. STB replaced the Interstate Commerce Commission (ICC) in 1997. 
  • Surfactant 
    This is short for surface-active agent and is used to describe a chemical that will reduce the surface tension of water when it is added to it. This enables the water to mix with materials it would otherwise not dissolve, such as grease. Surfactants can b
  • Surfactants 
    Surfactants, or surface active agents, are substances that, when dissolved in water, give a product the ability to remove dirt from surfaces such as the human skin, textiles, and other solids. Each surfactant molecule has a hydrophilic (water-loving) head
  • Surge 
    The longitudinal oscillatory linear motion about the center of gravity (origin of body axis) in the ship travel direction, usually due to wave effects; motion backward and forward (fore and aft direction) (EM 1110-2-1613). 
  • Surging 
    Ship Stability: is the linear longitudinal (front/back) motion 
  • Surtax 
    An additional extra tax. 
  • survey 
    An assessment of oil quantity and or quality prepared by an inspection company. A loading survey, for instance, involves determination of how much crude or product a supplier pimped aboard a vessel. it may also entail taking samples of the 
  • sUS 
    see SSU 
  • SV 
    Sailing vessel 
  • SVP 
    Single voyage permit 
  • SW 
    Salt water; Shipper’s weight 
  • SWAD 
    Salt Water Arrival Draft 
  • Swaying 
    Ship Stability: is the linear lateral (side-to-side) motion 
  • SWD 
    Salt water draft 
  • SWDD 
    Salt water departure draft 
  • sweet 
    Low in sulfur content. See SOUR. 
  • sweet Crude 
    Petroleum with a low sulfur content. The industry generally puts a maximum of 0.5 weight percent sulfur on sweet crude. 
  • Sweet Crude 
    Crude oil that has a low sulphur content. Typically refined into gasoline and is in high demand. 
  • sweetening 
    Processing to remove sulfur. Hydrodesulfurization, for instance, can produce sweet catfeed. Caustic washing can sweeten sour natural gasolines to make them suitable for motor gasoline blending. 
  • SWL 
    Safe Working Load or Statutory Water Level 
  • SWSD 
    Salt Water Sailing Draft 
  • SWW 
    Single Swinging Winches 
  • Symbol B 
    Ship Stability: Symbol for center of buoyancy or buoyant force. 
  • Symbol G 
    Ship Stability: Symbol for center of gravity of the vessel. 
  • SYNA 
  • Synergy 
    The combined effects of more than one hazardous material resulting in more damage than the additive effects of each material 
  • Syngas 
    This is an abbreviation of synthesis gas and is applied to several kinds of mixtures that are produced by reacting steam, or steam and oxygen, with a heated carbon-containing material such as natural gas, heavy petroleum oil, coal or coke. Syngas consists
  • Synonym 
    This is another name that a particular chemical or composition may be known as. A chemical can have a number of different names or synonyms. For example, METHYL ALCOHOL is the Product Name; however this cargo is also known as methanol, wood alcohol etc –
  • Synthesis-Synthetic 
    The production of a substance by the union of chemical elements, groups, or simpler compounds, or by the degradation of a complex compound. 
  • Synthetic rubbers 
    Synthetic rubbers are made of raw material derived from petroleum, coal, oil, natural gas, and acetylene. Many of them are copolymers, i.e., polymers consisting of more than one monomer. 
  • Systemic toxicity 
    Adverse effects produced by a substance ( or conversion products) after absorption into, and circulation by, the blood stream. Systemic effects occur in tissues remote from the site where the material comes into contact with the body, and from where it is
  • Suez Net Tonnage Volume 
    100 cubic feet = 1 ton of cargo carrying capacity assigned to a vessel by the Suez Canal Authority, issued on vessel''s first transit of canal. The tonnage is used to calculate fees and tolls.