ROYAL REY 300 — Tanker · IMO 9974357

ROYAL REY 300 was last reported under way in the Indian Ocean, on 5 Nov 2026, 22:26 UTC. It was sailing from KARIANGAU to BALIKPAPAN with an ETA of 25 Oct 2026, 05:23 UTC. Its exact coordinates, speed and ETA are shown at the top of this page and refresh from the latest AIS broadcast.

ROYAL REY 300 broadcasts MMSI 525401601 and is registered as IMO 9974357, with call sign YDUK2. 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.

ROYAL REY 300 is classified as a tanker vessel registered under the ID flag. The vessel-type classification is derived from the AIS Type field broadcast by the ship's transponder; full tanker fleet at /vessel-type/tanker and full ID flag list at /flag/id.

MarineRadar shows the latest AIS broadcast from ROYAL REY 300 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.

As a tanker, ROYAL REY 300 sits in the same design class as the other tankers listed in the Similar Vessels section of the vessel page, or in the full tanker directory at /vessel-type/tanker.