Welcome to the Veson Nautical Knowledge Base. In the Help Center, you can view the same articles and contact support as needed.
IMOS On-Prem - Glossary
This is a Key Topic, with high value for all users.
Alternate terms and abbreviations are sometimes applied to shipping concepts; this section includes terms that are used in IMOS.
IMOS - Glossary#A IMOS - Glossary#B IMOS - Glossary#C IMOS - Glossary#D IMOS - Glossary#E IMOS - Glossary#F IMOS - Glossary#G IMOS - Glossary#H IMOS - Glossary#I IMOS - Glossary#J IMOS - Glossary#K IMOS - Glossary#L IMOS - Glossary#M IMOS - Glossary#N IMOS - Glossary#O IMOS - Glossary#P IMOS - Glossary#Q IMOS - Glossary#R IMOS - Glossary#S IMOS - Glossary#T IMOS - Glossary#U IMOS - Glossary#V IMOS - Glossary#W IMOS - Glossary#X IMOS - Glossary#Y IMOS - Glossary#Z
A |
| ||||||||||||||||||||||||||||||||||||||||||
ADCOMM | See Address Commission. | ||||||||||||||||||||||||||||||||||||||||||
Address Commission | A fee paid by the owner to the charterer or the charterer's designee. It may be a rebate on the freight for hire or a discount for frequent business or for not using an agent. | ||||||||||||||||||||||||||||||||||||||||||
Agent | A business entity handling details, such as paperwork and port expenses, for another shipping business entity. | ||||||||||||||||||||||||||||||||||||||||||
API Gravity | A measure, from the American Petroleum Institute, of the relative density of petroleum liquids. A liquid with an API gravity greater than 10 floats on water. A liquid with a greater API gravity is less dense than and floats on one with a lesser API gravity. | ||||||||||||||||||||||||||||||||||||||||||
ATM | |||||||||||||||||||||||||||||||||||||||||||
ATRS | American Tanker Rate Schedule; a publication of tanker Freight Rates from the Association of Ship Brokers and Agents. Each route has a flat rate based on a prototype vessel; counterparties agree on a percentage of the rate. Similar to World Scale. | ||||||||||||||||||||||||||||||||||||||||||
At-the-Money (ATM) | The situation in which an option's strike price equals the price of the IMOS - Glossary#underlying security. | ||||||||||||||||||||||||||||||||||||||||||
AVE | Average method; the default Bunker Calculation Method. The weighted average bunker cost multiplied by the amount consumed in the voyage. | ||||||||||||||||||||||||||||||||||||||||||
B | |||||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
B/L | See Bill of Lading. | ||||||||||||||||||||||||||||||||||||||||||
Back-To-Back Charter | A charter in which a disponent owner charters out a vessel on terms that are the same (except for rate and similar variables that he controls) as the terms under which the vessel was chartered to him. | ||||||||||||||||||||||||||||||||||||||||||
Ballast | Material such as seawater placed in a vessel that is empty of cargo, for stability. The vessel is then in ballast, as opposed to laden. | ||||||||||||||||||||||||||||||||||||||||||
Ballast Bonus | A lump sum payment for a vessel traveling in ballast to reach a loading port or a delivery port under a charter. | ||||||||||||||||||||||||||||||||||||||||||
Baltic Index | A daily measure of shipping costs for different routes and vessels of different sizes, used for trading and settling contracts. It is issued by the Baltic Exchange, and Trading clients can subscribe to a feed into Market Data. | ||||||||||||||||||||||||||||||||||||||||||
Barge | In IMOS, barges are represented as vessels with Type Code Barge. | ||||||||||||||||||||||||||||||||||||||||||
BBL | Abbreviation for barrel. | ||||||||||||||||||||||||||||||||||||||||||
Beam | The width of a vessel at its widest point. | ||||||||||||||||||||||||||||||||||||||||||
Beaufort Scale | A scale expressing wind force at sea. Good weather is typically defined as below 4 or 5; above that point, the data is ignored for calculating performance.
| ||||||||||||||||||||||||||||||||||||||||||
Berth | The specific place in a port where a vessel is to load and/or discharge. | ||||||||||||||||||||||||||||||||||||||||||
Bill of Lading | A written receipt issued by a vessel's Master or a Shipping department that states that cargo has been placed on board. It includes the type of cargo, the amount, and the terms for shipping. | ||||||||||||||||||||||||||||||||||||||||||
Black (1976) | A modified version of the Black-Scholes model that enables option pricing on future contracts. It is available on the Trading Profile. | ||||||||||||||||||||||||||||||||||||||||||
Black-Scholes | A model typically used to price European options. | ||||||||||||||||||||||||||||||||||||||||||
Boat | A synonym for an inland tug. In IMOS, boats are represented as vessels with Type Code Boat. | ||||||||||||||||||||||||||||||||||||||||||
Broker | A business entity working between an owner and a charterer to arrange for a vessel to charter and/or cargo to ship. | ||||||||||||||||||||||||||||||||||||||||||
Brokerage | |||||||||||||||||||||||||||||||||||||||||||
Bulk Cargo | A homogenous cargo, such as coal or grain, that is stowed loose, not in a container. | ||||||||||||||||||||||||||||||||||||||||||
Bunker | (Noun) The fuel used on a vessel, or the tank or compartment for storing fuel. | ||||||||||||||||||||||||||||||||||||||||||
Bunker Calculation Method | A method of valuing the fuel onboard a vessel, so that its cost can be allocated to the voyage in which it is used. It is selected on the Voyage Manager. See IMOS - Glossary#AVE, IMOS - Glossary#FIFO, IMOS - Glossary#LIFO, and IMOS - Glossary#TBM. | ||||||||||||||||||||||||||||||||||||||||||
Bunker Surcharge | An Extra Freight Term; a way for an owner to make up for an increase in bunker prices. | ||||||||||||||||||||||||||||||||||||||||||
C | |||||||||||||||||||||||||||||||||||||||||||
C/P or CP | See Charter Party. | ||||||||||||||||||||||||||||||||||||||||||
Cargo | The goods being carried on a vessel. | ||||||||||||||||||||||||||||||||||||||||||
Cargo COA | A long-term sale contract on a Voyage Charter basis; the other side of a VC In COA. | ||||||||||||||||||||||||||||||||||||||||||
Charter Party | A contract between a vessel owner and a charterer that lists all the terms of their agreement. | ||||||||||||||||||||||||||||||||||||||||||
Charterer | A business entity getting control of a vessel from another party. | ||||||||||||||||||||||||||||||||||||||||||
Clearinghouse | A business entity that clears and settles financial accounts. | ||||||||||||||||||||||||||||||||||||||||||
COA | |||||||||||||||||||||||||||||||||||||||||||
Combination Carrier | See Ore-Bulk-Oil Carrier. | ||||||||||||||||||||||||||||||||||||||||||
Commission | A fee for services performed by a broker, also known as brokerage. It is paid by the owner because it is always assumed that business is being brought to the ship. Broker commission is usually 1.25%:
| ||||||||||||||||||||||||||||||||||||||||||
Contract of Affreightment (COA) | A contract for a grouping of cargoes. A long-term agreement or grouping mechanism for a series of cargo liftings in what might be different vessels. See Cargo COA and VC In COA. | ||||||||||||||||||||||||||||||||||||||||||
CTMS | Custody-transfer measurement system. | ||||||||||||||||||||||||||||||||||||||||||
Cubic Capacity | Each vessel has two cubic capacities:
| ||||||||||||||||||||||||||||||||||||||||||
C/V/E | Cabling, victualling, and entertainment; see IMOS - Glossary#Gratuities. | ||||||||||||||||||||||||||||||||||||||||||
D | |||||||||||||||||||||||||||||||||||||||||||
Daily Rate | Payment for a Time Charter: an amount per day, as opposed to a Freight Rate. It covers crew and maintenance, but not fuel. | ||||||||||||||||||||||||||||||||||||||||||
Daughter Ship or Vessel | |||||||||||||||||||||||||||||||||||||||||||
Daughter Voyage | The voyage of a Lightering Service Vessel. | ||||||||||||||||||||||||||||||||||||||||||
Deadfreight | IMOS - Glossary#Freight payable by a charterer to cover cargo loaded below the amount agreed upon in the contract. Also, an Extra Freight Term: A specific (usually full value) rate for cargo loaded below that agreed-upon amount. | ||||||||||||||||||||||||||||||||||||||||||
Deadweight | The amount of mass or weight in tons that a ship can carry, including cargo, fuel, stores, fresh water, and crew. | ||||||||||||||||||||||||||||||||||||||||||
Deadweight Cargo Capacity | The weight-carrying capacity of a vessel, expressed in long tons or metric tons, for a particular voyage, after allowance for fuel, water, stores, and crew, at a particular draft and water density. | ||||||||||||||||||||||||||||||||||||||||||
Deadweight Scale | A scale on which are plotted the deadweight capacities corresponding to the various drafts of water between light and loaded displacements. This scale is usually included with the vessel's Capacity plan. Also known as Displacement Scale. | ||||||||||||||||||||||||||||||||||||||||||
DEL | |||||||||||||||||||||||||||||||||||||||||||
Delivery | The delivery of a vessel to a charterer at the beginning of a Time Charter. | ||||||||||||||||||||||||||||||||||||||||||
Delta | A ratio comparing the change in price of an option to the change in price of its underlying asset, typically a value between -1 and 1. It is available on the Trade Details List. | ||||||||||||||||||||||||||||||||||||||||||
Delta Days | The sensitivity in days of an option's theoretical value to a change in the price of the underlying asset, calculated using the value of IMOS - Glossary#Delta. It is available on the Trade Details List. Adjusted days show the impact of the IMOS - Glossary#Delta on the exposure days, where Delta Days show the days that the exposure is reduced. | ||||||||||||||||||||||||||||||||||||||||||
DEL/REDEL | |||||||||||||||||||||||||||||||||||||||||||
DEM | |||||||||||||||||||||||||||||||||||||||||||
Demurrage | The money a voyage charterer must pay to the owner for a delay in loading and/or discharging cargo after laytime has expired. | ||||||||||||||||||||||||||||||||||||||||||
Derivative | A financial instrument, such as an FFA, whose value changes based on the value of IMOS - Glossary#underlying assets. | ||||||||||||||||||||||||||||||||||||||||||
DES | |||||||||||||||||||||||||||||||||||||||||||
Despatch | The money an owner must pay to a voyage charterer if the ship completes loading or discharging before the laytime has expired. Tankers do not do despatch. | ||||||||||||||||||||||||||||||||||||||||||
Displacement | The weight of a ship and everything it contains, which is the same as the weight of the water it displaces. | ||||||||||||||||||||||||||||||||||||||||||
Disponent Owner | A business entity that has control of a vessel's operation through charter or agreement, without owning the vessel. | ||||||||||||||||||||||||||||||||||||||||||
Draft | The distance between the waterline and the bottom of a vessel. It is measured vertically to the lowest part of the hull, propellers, or other projecting point. | ||||||||||||||||||||||||||||||||||||||||||
DWT | |||||||||||||||||||||||||||||||||||||||||||
E | |||||||||||||||||||||||||||||||||||||||||||
Equipment | In IMOS, Equipment can refer to boats, barges, or a combination of both. See IMOS - Glossary#Tow. | ||||||||||||||||||||||||||||||||||||||||||
Estimate | See Voyage Estimate. | ||||||||||||||||||||||||||||||||||||||||||
ETA | Estimated time of arrival. | ||||||||||||||||||||||||||||||||||||||||||
ETC | Estimated time of completion. | ||||||||||||||||||||||||||||||||||||||||||
ETD | Estimated time of departure. | ||||||||||||||||||||||||||||||||||||||||||
ETR | Estimated time of readiness. | ||||||||||||||||||||||||||||||||||||||||||
Extra Freight Terms | Extra charges related to freight, such as those for IMOS - Glossary#Deadfreight or IMOS - Glossary#Overage/Additional Cargo charges. | ||||||||||||||||||||||||||||||||||||||||||
F | |||||||||||||||||||||||||||||||||||||||||||
FFA | |||||||||||||||||||||||||||||||||||||||||||
FHEX | A Laytime Term: Fridays and Holidays are Excepted (Excluded) from laytime. | ||||||||||||||||||||||||||||||||||||||||||
FD | See Free Discharge. | ||||||||||||||||||||||||||||||||||||||||||
FIFO | First In First Out; a Bunker Calculation Method that treats bunkers as an asset and depletes the first asset before going on to the next. This is the most accurate method. | ||||||||||||||||||||||||||||||||||||||||||
FIO | See Free In and Out. | ||||||||||||||||||||||||||||||||||||||||||
FIOS | |||||||||||||||||||||||||||||||||||||||||||
FIOT | |||||||||||||||||||||||||||||||||||||||||||
Fixture | The representation of the full contract that fixes a voyage and a cargo (Voyage Fixture for a Voyage Charter, or Time Charter In or Out Fixture); the completed negotiation that results in a charter party. | ||||||||||||||||||||||||||||||||||||||||||
FOB | See Free On Board. | ||||||||||||||||||||||||||||||||||||||||||
Free Discharge (FD) | The charterer or receiver pays for the discharging of the cargo. | ||||||||||||||||||||||||||||||||||||||||||
Free In and Out (FIO) | The charterer or shipper/receiver pays for the loading and discharging of the cargo. | ||||||||||||||||||||||||||||||||||||||||||
Free In and Out Stowed (FIOS) | The same as FIO, except that when nonbulk commodities (such as bagged cargo, generals, or scrap metal) are loaded, the additional cost of stowing is included. | ||||||||||||||||||||||||||||||||||||||||||
Free In and Out Trimmed (FIOT) | The same as FIO, except that when grain, ore, coal, and other similar bulk commodities are carried, the trimming cost (the cost to level the cargo either by machinery or by hand) is included. Frequently now, the agreed trimming is spout trimming, which limits the loader's obligation to what can be done by the loading device itself. Any trimming beyond that would be for the vessel's account. | ||||||||||||||||||||||||||||||||||||||||||
Free On Board (FOB) | An export sales term under which the seller is responsible for placing the goods on board a vessel at the port of shipment named in the sales contract. | ||||||||||||||||||||||||||||||||||||||||||
Freight | The amount of money payable to a vessel owner for the capacity/space for carrying cargo from one port to another under a Voyage Charter, Bill of Lading, booking note, or Contract of Affreightment. | ||||||||||||||||||||||||||||||||||||||||||
Freight Forward Agreement (FFA) | A financial instrument used to buy or sell the price of freight on a forward basis. It is settled with cash, with the price based on the Baltic index. Owners and charterers buy forward to protect against a rising market and sell forward to protect against a falling market. | ||||||||||||||||||||||||||||||||||||||||||
Freight Rate | Payment for a Voyage Charter: an amount per unit of measure (MT, m3, BBL), as opposed to a Daily Rate. | ||||||||||||||||||||||||||||||||||||||||||
Freight Scale Table | A Rate Table created in the Data Center for use on Cargo COAs and Cargoes. | ||||||||||||||||||||||||||||||||||||||||||
Freight Type | The type of payment: F = Freight Rate, L = Lumpsum, W = World Scale, A = IMOS - Glossary#ATRS, D = Daily Rate, E = Equipment Daily Rate. | ||||||||||||||||||||||||||||||||||||||||||
Fuel | The most common grades of fuel oil are IFO (intermediate fuel oil) 180 CST and IFO 380 CST, both used as propulsion fuel in motor ships; and Bunker C, mainly used on steam turbine-driven large-size tankers. Also, MDO (marine diesel oil), used for the auxiliaries of motor ships (or sometimes as propulsion fuel in smaller vessels). | ||||||||||||||||||||||||||||||||||||||||||
G | |||||||||||||||||||||||||||||||||||||||||||
Gamma | The rate of change in the IMOS - Glossary#Delta for each 1-point change in price of the IMOS - Glossary#underlying asset. It is available on the Trade Details List. | ||||||||||||||||||||||||||||||||||||||||||
GCU | Gas combustion unit. | ||||||||||||||||||||||||||||||||||||||||||
Gratuities | Extra money given to the Master of the vessel in cash, and thus taken off the bill; also known as C/V/E. | ||||||||||||||||||||||||||||||||||||||||||
H | |||||||||||||||||||||||||||||||||||||||||||
Head Fixture | A Time Charter contract for an owned vessel. Its Contract Type is Own Vessel. | ||||||||||||||||||||||||||||||||||||||||||
Hire | The basic compensation to be paid to a vessel owner by a charterer for a Time Charter. | ||||||||||||||||||||||||||||||||||||||||||
I | |||||||||||||||||||||||||||||||||||||||||||
IFO | Intermediate fuel oil. | ||||||||||||||||||||||||||||||||||||||||||
ILOHC | In lieu of hold cleaning. | ||||||||||||||||||||||||||||||||||||||||||
In-the-Money (ITM) | The situation in which an option has some intrinsic value; the position is profitable.
| ||||||||||||||||||||||||||||||||||||||||||
ITM | |||||||||||||||||||||||||||||||||||||||||||
J | |||||||||||||||||||||||||||||||||||||||||||
Jetty | A walkway or other structure that extends from shore out into a body of water. | ||||||||||||||||||||||||||||||||||||||||||
K | |||||||||||||||||||||||||||||||||||||||||||
Knot | A unit of speed: one nautical mile per hour. | ||||||||||||||||||||||||||||||||||||||||||
L | |||||||||||||||||||||||||||||||||||||||||||
Laden | Refers to a vessel with cargo on board, as opposed to in ballast. | ||||||||||||||||||||||||||||||||||||||||||
Laycan | The window of arrival time; the IMOS default is 15 days. Laycan also determines when you can cancel a contract: if the vessel is on time, but the cargo is not ready, the vessel can cancel and pick up a different load. | ||||||||||||||||||||||||||||||||||||||||||
Layday | The period of time during which the owner must tender the ship for loading. The charterer is not obliged to accept Notice of Readiness before the commencement of laydays. The charterer may cancel the charter if the ship does not tender prior to the expiration of laydays (which is called the cancelling date). | ||||||||||||||||||||||||||||||||||||||||||
Laytime | The amount of time allowed at a port for loading and/or discharging. | ||||||||||||||||||||||||||||||||||||||||||
Laytime Non-Reversible | When laytime is non-reversible, any despatch earned or demurrage incurred at the load or discharge port is payable there, and time saved at one port cannot be used to offset time lost at the other. | ||||||||||||||||||||||||||||||||||||||||||
Laytime Reversible | An option given to the charterer to add together the time allowed for loading and discharging. The effect is the same as specifying a total time to cover both operations. | ||||||||||||||||||||||||||||||||||||||||||
Laytime Saved | The time saved to the ship from the completion of loading/discharging to the expiration of laytime, excluding any notice time and periods excepted (excluded) from laytime. | ||||||||||||||||||||||||||||||||||||||||||
Laytime Term | A Charter Party term that describes when ports are open for loading and discharging. | ||||||||||||||||||||||||||||||||||||||||||
Leg | The part of a voyage from one port to the next port. | ||||||||||||||||||||||||||||||||||||||||||
LIFO | Last In First Out; a Bunker Calculation Method that defers revenues, so you can maximize expenses currently and defray savings until later, for a tax advantage. | ||||||||||||||||||||||||||||||||||||||||||
Lift | A single movement of cargo off an IMOS - Glossary#STBL. Several lifts are required to fully lighter an STBL. | ||||||||||||||||||||||||||||||||||||||||||
Lifting | A voyage of a single cargo created from a COA. | ||||||||||||||||||||||||||||||||||||||||||
Lighter | A general name for a broad, usually flat-bottomed barge, frequently used in loading or discharging a larger vessel at anchor. | ||||||||||||||||||||||||||||||||||||||||||
Lightering | The act of discharging cargo into a lighter or barge offshore, usually so that the vessel that has been lightered can get into a shallow berth. | ||||||||||||||||||||||||||||||||||||||||||
Lightering Area | See Lightering Port. | ||||||||||||||||||||||||||||||||||||||||||
Lightering Job | A subcontract for an individual Lightering Service Vessel. | ||||||||||||||||||||||||||||||||||||||||||
Lightering Port | An offshore location where an IMOS - Glossary#STBL moors and undergoes lightering. Also known as a Lightering Area or a Lightering Zone. | ||||||||||||||||||||||||||||||||||||||||||
Lightering Service Vessel | A vessel that performs lightering for an IMOS - Glossary#STBL. Also known as a Daughter Ship or a Daughter Vessel. | ||||||||||||||||||||||||||||||||||||||||||
Lightering Support Contract | A contract for a company’s Lightering Support Vessels. Also known as a Work Boat Contract. | ||||||||||||||||||||||||||||||||||||||||||
Lightering Support Job | A subcontract for an individual Lightering Support Vessel’s services. Also known as a Work Boat Job. | ||||||||||||||||||||||||||||||||||||||||||
Lightering Support Vessel | A ship that accompanies Lightering Service Vessels to help with a lightering operation. Activities include mooring ships together, hooking up pipes, and other lightering operation support. Also known as a Work Boat. | ||||||||||||||||||||||||||||||||||||||||||
Lightering Zone | See Lightering Port. | ||||||||||||||||||||||||||||||||||||||||||
Liner | A vessel with a published, relatively fixed schedule between load and discharge ports, as opposed to a tramp. | ||||||||||||||||||||||||||||||||||||||||||
LNG | Liquefied natural gas. | ||||||||||||||||||||||||||||||||||||||||||
Long-Term TC | A Time Charter Contract Type covering a long enough period of time that it requires special accounting, as opposed to a Trip TC or a Period TC. | ||||||||||||||||||||||||||||||||||||||||||
LSF | Low sulfur fuel, required in certain ports/Emission Control Areas. | ||||||||||||||||||||||||||||||||||||||||||
LSG | Low sulfur gas. | ||||||||||||||||||||||||||||||||||||||||||
LSI | Low sulfur IFO. | ||||||||||||||||||||||||||||||||||||||||||
LOA | Length overall of a vessel. | ||||||||||||||||||||||||||||||||||||||||||
M | |||||||||||||||||||||||||||||||||||||||||||
M3 | Cubic meter. | ||||||||||||||||||||||||||||||||||||||||||
Margin | The money a trader has on account with a clearinghouse as collateral. | ||||||||||||||||||||||||||||||||||||||||||
Mark to Market | To assign a value based on the current market price. | ||||||||||||||||||||||||||||||||||||||||||
Master Contract | An IMOS form that is used to organize and differentiate different types of COAs. | ||||||||||||||||||||||||||||||||||||||||||
Master Lightering Contract | A contract for a company’s Lightering Service Vessels. | ||||||||||||||||||||||||||||||||||||||||||
Max Lift Quantity | The maximum quantity a vessel can lift in the port in the voyage that has the most restrictive deadweight and draft limits. In IMOS, this amount can be calculated based on the density of the cargo, the vessel's deadweight, and the weight of bunkers and everything on the vessel. | ||||||||||||||||||||||||||||||||||||||||||
MDO | Marine diesel oil. | ||||||||||||||||||||||||||||||||||||||||||
MGO | Marine gas oil. | ||||||||||||||||||||||||||||||||||||||||||
Min/Max | A minimum and maximum weight range. An owner might warrant that a vessel can carry cargo weight within this range; the charterer might agree to supply a cargo within this range. | ||||||||||||||||||||||||||||||||||||||||||
MOLOO | A commonly used Option Type meaning More or Less Owner's Option. | ||||||||||||||||||||||||||||||||||||||||||
Mooring Master | Captain of a Lightering Service Vessel or a Lightering Support Vessel. | ||||||||||||||||||||||||||||||||||||||||||
Mother Ship or Vessel | See IMOS - Glossary#STBL. | ||||||||||||||||||||||||||||||||||||||||||
Mother Voyage | The voyage of an IMOS - Glossary#STBL. | ||||||||||||||||||||||||||||||||||||||||||
MT | Metric ton. | ||||||||||||||||||||||||||||||||||||||||||
N | |||||||||||||||||||||||||||||||||||||||||||
NBOG |
Still need help? Visit the Veson Nautical Help Center.
Copyright © 2017-2025 Veson Nautical LLC All Rights Reserved - Privacy Notice | End User Terms of Use