Question 1

Where is SEROJA XXI right now?

Accepted Answer

SEROJA XXI was last reported in the South China Sea, within the Strait of Malacca. Its exact coordinates, speed and ETA are shown at the top of this page and refresh from the latest AIS broadcast.

Question 2

What are the identifiers for SEROJA XXI?

Accepted Answer

SEROJA XXI broadcasts MMSI 525201488 and is registered as IMO 9922861. 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.

Question 3

What type of ship is SEROJA XXI?

Accepted Answer

SEROJA XXI is classified as a tanker vessel registered under the ID flag. The vessel-type classification is derived from the AIS Type field broadcast by the ship's transponder; full tanker fleet at /vessel-type/tanker and full ID flag list at /flag/id.

Question 4

How can I see the live position of SEROJA XXI?

Accepted Answer

MarineRadar shows the latest AIS broadcast from SEROJA XXI 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.

Question 5

How often is SEROJA XXI's position updated?

Accepted Answer

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.

Question 6

What class is SEROJA XXI?

Accepted Answer

As a tanker, SEROJA XXI sits in the same design class as the other tankers listed in the Similar Vessels section of the vessel page, or in the full tanker directory at /vessel-type/tanker.

SEROJA XXI — Tanker · IMO 9922861

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