PRINCESS JOHANNA — Military Ops · IMO 9764283

PRINCESS JOHANNA has not broadcast an AIS position for 26 days. The most recent broadcast placed it, on 27 Sep 2026, 23:59 UTC. It was sailing from WARRI to WARRI. Vessels stop appearing on terrestrial AIS when they move beyond receiver range, so a gap does not necessarily mean the vessel is inactive.

PRINCESS JOHANNA broadcasts MMSI 657169300 and is registered as IMO 9764283. 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.

PRINCESS JOHANNA is classified as a military ops vessel registered under the NG flag. The vessel-type classification is derived from the AIS Type field broadcast by the ship's transponder; full military ops fleet at /vessel-type/military-special and full NG flag list at /flag/ng.

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