SP4 BSI — Wing In Grnd · IMO 9755983

SP4 BSI is currently at anchor in the Java Sea. It is sailing from JAKARTA to SAMPIT with an ETA of 22 Oct 2026, 15:57 UTC. Its exact coordinates, speed and ETA are shown at the top of this page and refresh from the latest AIS broadcast.

SP4 BSI broadcasts MMSI 525100534 and is registered as IMO 9755983, with call sign YBME2. 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.

SP4 BSI is classified as a wing in grnd vessel registered under the ID flag. The vessel-type classification is derived from the AIS Type field broadcast by the ship's transponder; full wing in grnd fleet at /vessel-type/high-speed-craft and full ID flag list at /flag/id.

MarineRadar shows the latest AIS broadcast from SP4 BSI 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 wing in grnd, SP4 BSI sits in the same design class as the other wing in grnds listed in the Similar Vessels section of the vessel page, or in the full wing in grnd directory at /vessel-type/high-speed-craft.