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Geo & Transport

Maritime

Vessel tracking, shipping references and maritime research resources.

19 listings in this category.

Choosing a resource

  • Use an IMO or MMSI identifier to distinguish similarly named vessels.
  • Check the last-received timestamp before treating a plotted position as current.

Maritime tracking and reference data; AIS reception and historical access vary. Check the source for current features, access requirements, and costs. Selection and maintenance policy.