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.
JOHN B MARTIN MCCALL is a Passenger registered under the US flag.
The vessel's IMO number is 8964692 — a permanent identifier assigned for the lifetime of the ship. The MMSI number 366756690 is used for real-time AIS radio identification.
Use the live map above to track the current position of JOHN B MARTIN MCCALL on an interactive AIS chart, including speed, heading, destination and estimated time of arrival (ETA). To browse more Passenger ships under the US flag, use the links above.