Question 1

Where is PRATIWI SATU right now?

Accepted Answer

PRATIWI SATU has not broadcast an AIS position for 26 days. The most recent broadcast placed it in the Java Sea, on 14 Aug 2026, 02:26 UTC. It was sailing from PANTOLOAN to PANTOLOAN. Vessels stop appearing on terrestrial AIS when they move beyond receiver range, so a gap does not necessarily mean the vessel is inactive.

Question 2

What are the identifiers for PRATIWI SATU?

Accepted Answer

PRATIWI SATU broadcasts MMSI 525015173 and is registered as IMO 9399650, with call sign YGJF. 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 PRATIWI SATU?

Accepted Answer

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

Question 4

How can I see the live position of PRATIWI SATU?

Accepted Answer

MarineRadar shows the latest AIS broadcast from PRATIWI SATU 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 PRATIWI SATU'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 PRATIWI SATU?

Accepted Answer

As a cargo, PRATIWI SATU sits in the same design class as the other cargos listed in the Similar Vessels section of the vessel page, or in the full cargo directory at /vessel-type/cargo.

PRATIWI SATU — Cargo · IMO 9399650

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