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.
PORTLAND is a Military ops registered under the GR flag.
The vessel's IMO number is 8949733 β a permanent identifier assigned for the lifetime of the ship. The MMSI number 239627000 is used for real-time AIS radio identification.
Use the live map above to track the current position of PORTLAND on an interactive AIS chart, including speed, heading, destination and estimated time of arrival (ETA). To browse more Military ops ships under the GR flag, use the links above.