Question 1

Where is STI DUCHESSA right now?

Accepted Answer

STI DUCHESSA was last reported in the Java Sea. 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 STI DUCHESSA?

Accepted Answer

STI DUCHESSA broadcasts MMSI 538005225 and is registered as IMO 9669938. 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 STI DUCHESSA?

Accepted Answer

STI DUCHESSA is classified as a tanker vessel registered under the MH 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 MH flag list at /flag/mh.

Question 4

How can I see the live position of STI DUCHESSA?

Accepted Answer

MarineRadar shows the latest AIS broadcast from STI DUCHESSA 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 STI DUCHESSA'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 STI DUCHESSA?

Accepted Answer

As a tanker, STI DUCHESSA 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.

STI DUCHESSA — Tanker · IMO 9669938

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