SSB 01 — Military Ops · MMSI 232046310

SSB 01 was last reported moored in the English Channel, within the English Channel / North Sea corridor, on 5 Nov 2026, 08:54 UTC. It was sailing from PLYMOUTH to PLYMOUTH with an ETA of 20 Oct 2026, 13:23 UTC. Its exact coordinates, speed and ETA are shown at the top of this page and refresh from the latest AIS broadcast.

SSB 01 broadcasts MMSI 232046310. 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.

SSB 01 is classified as a military ops vessel registered under the GB 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 GB flag list at /flag/gb.

MarineRadar shows the latest AIS broadcast from SSB 01 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, SSB 01 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.