Maritime glossary · Estimated Time of Arrival
ETA
The forecast time at which a vessel is expected to arrive at its next port or waypoint.
Definition
ETA is broadcast directly by the AIS as part of the voyage-related data, and is also estimated independently by tracking platforms using current position, speed, course, and historical voyage patterns. The two often disagree — the master may broadcast an optimistic ETA before adjusting for weather or waiting time. Reliable ETA forecasting is the single highest-value layer for port agents, terminal operators, and service providers because it determines who reaches the operator first.
How Vessel Hunter uses ETA
The Vessel Hunter approaching-ports inbox sorts inbound vessels by ETA and pairs each with the operator contact — first contact wins.
Related terms
- ETDEstimated Time of Departure
The forecast time at which a vessel is expected to leave a port.
- AISAutomatic Identification System
The VHF radio system every commercial vessel uses to broadcast its position, course, and identity.
- Demurrage
A daily fee paid by the charterer to the owner when cargo operations exceed the agreed laytime.
The bigger picture
ETA is one piece of the commercial maritime picture Vessel Hunter pulls together for shipyards, port agents, and service providers. Every vessel record bundles AIS, ownership, inspections, dry-dock history, casualty record, classification status, and a verified contact for the operator decision-maker behind the ship — so the team that reaches out first wins the work.
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