TSUKUBA MARU — Cargo · IMO 9524035

TSUKUBA MARU is currently moored in the Sea of Japan, within the Japan / Korea shipping lane. It is sailing from ROBERTS BANK to KISARAZU with an ETA of 5 Nov 2026, 02:22 UTC. Its exact coordinates, speed and ETA are shown at the top of this page and refresh from the latest AIS broadcast.

TSUKUBA MARU broadcasts MMSI 352300000 and is registered as IMO 9524035, with call sign 3FUJ4. 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.

TSUKUBA MARU is classified as a cargo vessel registered under the PA flag. The vessel-type classification is derived from the AIS Type field broadcast by the ship's transponder; full cargo fleet at /vessel-type/cargo and full PA flag list at /flag/pa.

MarineRadar shows the latest AIS broadcast from TSUKUBA MARU 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.

TSUKUBA MARU is classed by NIPPON KAIJI KYOKAI (NKK), the classification society responsible for inspecting the vessel against safety, structural and operational rules. As a cargo, TSUKUBA MARU sits in the same design class as the other cargos listed in the Similar Vessels section of the vessel page, or in the full cargo directory at /vessel-type/cargo. TSUKUBA MARU has a gross tonnage of 107,012 GT.