AIS positions are typically accurate within a few meters. Updates happen every 2β10 seconds for moving vessels. Ships in open ocean may have less frequent updates due to satellite AIS coverage gaps.
ALAN SHEPARD is a Replenishment Vessel registered under the US flag.
The vessel's IMO number is 9284350 β a permanent identifier assigned for the lifetime of the ship. The MMSI number 369498000 is used for real-time AIS radio identification.
Use the live map above to track the current position of ALAN SHEPARD on an interactive AIS chart, including speed, heading, destination and estimated time of arrival (ETA). To browse more Replenishment Vessel ships under the US flag, use the links above.