KCG S 53 — Pleasure Craft · MMSI 440189630

KCG S 53 is currently under way in the Sea of Japan, within the Japan / Korea shipping lane. It is sailing from BUSAN to BUSAN with an ETA of 8 Nov 2026, 21:54 UTC. Its exact coordinates, speed and ETA are shown at the top of this page and refresh from the latest AIS broadcast.

KCG S 53 broadcasts MMSI 440189630, with call sign 432HKH. 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.

KCG S 53 is classified as a pleasure craft vessel registered under the KR flag. The vessel-type classification is derived from the AIS Type field broadcast by the ship's transponder; full pleasure craft fleet at /vessel-type/yacht and full KR flag list at /flag/kr.

MarineRadar shows the latest AIS broadcast from KCG S 53 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 pleasure craft, KCG S 53 sits in the same design class as the other pleasure crafts listed in the Similar Vessels section of the vessel page, or in the full pleasure craft directory at /vessel-type/yacht.