IRABU — Law Enforce · MMSI 431141000

IRABU was last reported in the East China Sea, on 7 Nov 2026, 05:04 UTC. It was sailing from ISHIGAKI to ISHIGAKI with an ETA of 7 Nov 2026, 05:04 UTC. Its exact coordinates, speed and ETA are shown at the top of this page and refresh from the latest AIS broadcast.

IRABU broadcasts MMSI 431141000. 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.

IRABU is classified as a law enforce vessel registered under the JP flag. The vessel-type classification is derived from the AIS Type field broadcast by the ship's transponder; full law enforce fleet at /vessel-type/military-special and full JP flag list at /flag/jp.

MarineRadar shows the latest AIS broadcast from IRABU 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 law enforce, IRABU sits in the same design class as the other law enforces listed in the Similar Vessels section of the vessel page, or in the full law enforce directory at /vessel-type/military-special.