POLARSTERN — Other · IMO 8013132

POLARSTERN was last reported moored in the North Sea, within the English Channel / North Sea corridor, on 5 Nov 2026, 16:42 UTC. It was sailing from BREMERHAVEN to BREMERHAVEN with an ETA of 14 Oct 2026, 02:44 UTC. Its exact coordinates, speed and ETA are shown at the top of this page and refresh from the latest AIS broadcast.

POLARSTERN broadcasts MMSI 211202460 and is registered as IMO 8013132, with call sign DBLK. The MMSI is the radio identifier used by AIS; the IMO number stays with the ship for life and does not change with re-flagging or sale.

POLARSTERN is a maritime vessel registered under the DE flag. The vessel-type classification is derived from the AIS Type field broadcast by the ship's transponder and full DE flag list at /flag/de.

MarineRadar shows the latest AIS broadcast from POLARSTERN above, with current position, course, speed, and navigation status. Tap "View on map" to centre the live tracker on the vessel and watch its movement update in real time. The same data is available offline-friendly in the iOS and Android apps.

AIS transponders broadcast position every 2 seconds when underway at high speed and up to every 3 minutes at anchor. The position you see refreshes whenever the ship is in range of a coastal AIS receiver or a satellite pass — typically seconds in coastal waters and minutes offshore.

POLARSTERN is classed by GERMANISCHER LLOYD, the classification society responsible for inspecting the vessel against safety, structural and operational rules. The vessel's design class is inferred from its dimensions, gross tonnage and dead weight, all of which are listed in the Identity and Specifications panels on the vessel page. POLARSTERN has a gross tonnage of 12,614 GT.