AIS positions are typically accurate within a few meters. Updates happen every 2–10 seconds for moving vessels. Ships in open ocean may have less frequent updates due to satellite AIS coverage gaps.
CALVIN is a Standby Safety Vessel .
The vessel's IMO number is 8008199 — a permanent identifier assigned for the lifetime of the ship. The MMSI number 371724000 is used for real-time AIS radio identification.
Use the live map above to track the current position of CALVIN on an interactive AIS chart, including speed, heading, destination and estimated time of arrival (ETA). To browse more Standby Safety Vessel ships , use the links above.