Reference

Ocean freight & supply chain glossary

100 terms from container shipping, ports, customs and emissions — each in a sentence or two. Search, or open a category.

Documents12 terms
Bill of Lading (B/L)
The carrier's receipt for cargo, the contract of carriage and, in its negotiable form, a document of title to the goods.
Master Bill of Lading
The bill issued by the ocean carrier to the freight forwarder who booked the space.
House Bill of Lading
The bill issued by a freight forwarder or NVOCC to the actual shipper, sitting underneath the master bill.
Sea Waybill
A non-negotiable transport document. Faster than a bill of lading because no original paper must travel to release the cargo.
Air Waybill (AWB)
The transport document for air cargo: eleven digits beginning with a three-digit airline prefix. Not a document of title.
Commercial Invoice
The seller's bill to the buyer, used by customs to assess value, duty and tax.
Packing List
An itemised statement of what is inside each package or container, used for checking and customs inspection.
Certificate of Origin
A document declaring where goods were manufactured, used to claim preferential duty rates under trade agreements.
Letter of Credit (LC)
A bank's undertaking to pay the seller once specified documents are presented, used where buyer and seller do not yet trust each other.
Cargo Manifest
The complete list of all cargo aboard a vessel, submitted to port and customs authorities.
Delivery Order
The instruction authorising a terminal or warehouse to release cargo to a named party.
Arrival Notice
The carrier's notification to the consignee that a shipment has arrived and charges are due.
Containers and equipment12 terms
Container Number
The unique identifier of a container: four letters and seven digits under ISO 6346.
Check Digit
The final digit of a container number, calculated from the other ten characters to detect typing errors.
ISO 6346
The international standard governing container identification, marking and coding.
BIC Code
The three-letter owner prefix assigned by the Bureau International des Containers.
TEU
Twenty-foot equivalent unit, the standard measure of container capacity. One twenty-foot box equals one TEU.
FEU
Forty-foot equivalent unit, equal to two TEU.
Dry Container
The standard general-purpose container, enclosed and unrefrigerated. The large majority of ocean boxes.
Reefer Container
A refrigerated container with its own powered cooling unit, used for perishables and pharmaceuticals.
Flat Rack
A container with no sides or roof, used for oversized or awkwardly shaped cargo.
Tare Weight
The weight of an empty container, marked on its door and subtracted to find the cargo weight.
Payload
The maximum weight of cargo a container may legally carry, being its gross weight less tare.
Seal Number
The identifier of the tamper-evident seal fitted after loading, recorded so interference can be detected.
Vessels and voyages11 terms
AIS
The Automatic Identification System, by which vessels broadcast identity, position, speed and heading to shore stations and satellites.
IMO Number
A permanent seven-digit identifier for a vessel that never changes, even if the ship is renamed or reflagged.
MMSI
The Maritime Mobile Service Identity, a nine-digit number identifying a vessel's radio, transmitted with every AIS message.
Voyage Number
The identifier of one specific sailing of a vessel, since the same ship repeats a route many times.
Draft
How deep a vessel sits in the water. Determines which ports and canals it can enter.
Deadweight Tonnage
The total weight a vessel can carry including cargo, fuel, water and stores.
Knot
One nautical mile per hour, the standard measure of vessel speed. Container ships typically sail at 14 to 22 knots.
Heading
The compass direction a vessel is pointing, broadcast continuously over AIS.
Transshipment
Moving cargo from one vessel to another at an intermediate port rather than sailing direct.
Feeder Vessel
A smaller ship that carries containers between a regional port and a major hub.
Slow Steaming
Deliberately sailing below design speed to cut fuel consumption and emissions, at the cost of transit time.
Ports and terminals12 terms
Port of Loading (POL)
The port where cargo is loaded onto the ocean vessel.
Port of Discharge (POD)
The port where cargo is unloaded from the ocean vessel.
Place of Delivery
The final contractual destination, which may be inland and reached by rail or road after discharge.
Terminal
The facility within a port where vessels are worked and containers are stacked, gated and handed over.
Berth
The specific position at a quay where a vessel ties up to be loaded and unloaded.
Quay
The built structure along the water where vessels berth. Pronounced 'key'.
Gantry Crane
The large rail-mounted crane that lifts containers between vessel and quay.
Container Yard
The stacking area inside a terminal where containers wait between sea and land legs.
Gate-in
The event recorded when a container enters a terminal by road or rail.
Gate-out
The event recorded when a container leaves a terminal.
Port Congestion
A backlog of vessels waiting to berth because terminal capacity is exceeded, stretching transit times region-wide.
Berthing Window
The time slot a terminal allocates to a vessel for arrival and working.
Time and status11 terms
ETD
Estimated time of departure from the port of loading.
ETA
Estimated time of arrival at the port of discharge.
ATD
Actual time of departure, recorded once the vessel has sailed.
ATA
Actual time of arrival, recorded once the vessel has berthed.
Transit Time
The elapsed time from departure at origin to arrival at destination, usually quoted port to port.
Cut-off Time
The latest moment cargo or documentation can be submitted for a given sailing.
Free Time
The period during which a container may sit at the terminal or with the consignee before charges begin.
Last Free Day
The final day of free time, after which demurrage or detention starts accruing.
Rollover
When a container does not sail on its booked vessel and moves to a later one, typically costing a week.
Dwell Time
How long a container remains in a terminal between arrival and onward movement.
Milestone
A recorded status event in a shipment's journey, such as gate-in, loaded, departed or discharged.
Charges and rates13 terms
Demurrage
A daily charge for a full container remaining inside the terminal beyond its free time.
Detention
A daily charge for keeping the carrier's container outside the terminal beyond the agreed free period.
Freight Rate
The base price for moving a container between two ports, before surcharges.
BAF
Bunker Adjustment Factor, a surcharge reflecting changes in marine fuel prices.
THC
Terminal Handling Charge, levied by the terminal for moving a container between vessel and yard.
Peak Season Surcharge
A temporary surcharge applied when demand on a trade lane exceeds available capacity.
Drayage
Short-distance road transport of a container, typically between port and warehouse.
Accessorial Charge
Any charge beyond the base freight rate, such as waiting time, storage or special handling.
All-in Rate
A quoted price that already includes surcharges, giving one number for the whole move.
Spot Rate
The market price for immediate shipment, which moves with supply and demand.
Contract Rate
A price fixed with a carrier for an agreed volume over an agreed period.
GRI
General Rate Increase, a carrier's across-the-board rate rise announced on a trade lane.
Chargeable Weight
The greater of actual and volumetric weight, used to price cargo that is bulky but light.
Parties and roles10 terms
Shipper
The party sending the goods, named on the bill of lading. Usually the seller.
Consignee
The party entitled to receive the goods at destination, named on the bill of lading.
Notify Party
The party a carrier informs on arrival, often a customs broker acting for the consignee.
Freight Forwarder
An intermediary that arranges transport on the shipper's behalf without operating vessels.
NVOCC
A non-vessel operating common carrier: issues its own bills of lading and resells space it buys from vessel operators.
Carrier
The party that physically performs the transport, in ocean freight the vessel operator.
Customs Broker
A licensed agent who clears goods through customs on the importer's behalf.
Terminal Operator
The company that runs a container terminal, often distinct from the port authority.
3PL
A third-party logistics provider, outsourcing transport, warehousing and fulfilment as a package.
Beneficial Cargo Owner
The company that actually owns the cargo and takes delivery, as distinct from any intermediary.
Trade and customs9 terms
Incoterms
Standard trade terms published by the International Chamber of Commerce, defining who pays for and bears risk over each part of a shipment.
EXW
Ex Works: the buyer collects from the seller's premises and takes on all transport cost and risk.
FOB
Free On Board: the seller's responsibility ends once goods are loaded on the vessel at the named port.
CIF
Cost, Insurance and Freight: the seller pays ocean freight and insurance to the destination port.
DDP
Delivered Duty Paid: the seller bears all cost and risk to the buyer's door, including import duty.
HS Code
The Harmonized System code classifying a product for customs, determining duty rates worldwide.
Customs Clearance
The process of obtaining permission from customs to import or export goods.
Bonded Warehouse
A facility where imported goods are stored with duty suspended until they are released.
Duty
A tax levied on imported goods, calculated from their HS code, declared value and origin.
Load types and emissions10 terms
FCL
Full container load: your cargo fills a container booked for you alone.
LCL
Less than container load: your cargo shares a container with other shippers and is consolidated en route.
Breakbulk
Cargo shipped in individual pieces rather than containers, such as machinery or steel.
Bulk Cargo
Unpackaged commodities loaded loose into a vessel's hold, such as grain, ore or coal.
Ro-Ro
Roll-on roll-off: vessels for wheeled cargo that drives aboard rather than being lifted.
Intermodal
Moving the same container across sea, rail and road without handling the cargo inside it.
Consolidation
Combining several shippers' cargo into one container to reduce cost per unit.
Scope 3 Emissions
Indirect emissions in a company's value chain, including bought-in transport. Ocean freight you pay for is Scope 3 for you.
CO2e
Carbon dioxide equivalent: a single figure expressing the warming effect of all greenhouse gases in a shipment.
TEU-kilometre
One twenty-foot equivalent unit moved one kilometre, the standard denominator for freight emissions factors.