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Hong Kong SAR China flag

GREAT THALASSA — Cargo · IMO 9990856

HK
World map showing the last known position of GREAT THALASSA at 37° 42.816' N, 121° 4.102' E
NSEW
Current PositionLast report

GREAT THALASSA was last reported in the Yellow Sea, at 37.7136° N, 121.0684° E.

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Updated — using terrestrial data
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Unknown
Current Navigational Status
0.0 kn
Speed
0.0°
/ ---
Course / Heading
---
Static Draught
---
Current Draught

Voyage Tracker

N/A
ATD
N/A
N/A
ETA
N/A
GREAT THALASSA

GREAT THALASSA

Identity

Cargo
Type
Hong Kong SAR China flagHK
Flag
9990856
IMO Number
477966400
MMSI
N/A
Call Sign

Specifications

N/A
Length × Breadth
N/A
Year Built
N/A
Deadweight
N/A
Gross Tonnage
N/A
Engine Power
N/A
Builder
N/A
Class Society
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Dive into the fleet, port, and flag state that GREAT THALASSA is part of.

Flag State
All HK-flagged vessels
Browse every ship currently registered under the HK flag, with live AIS positions.
Vessel Type
Browse all Cargos
See the global fleet of cargos tracked on MarineRadar with live AIS data.

About GREAT THALASSA

Identity · Ownership · Class · Route

GREAT THALASSA — Cargo

GREAT THALASSA is a cargo registered under the Hong Kong flag.

GREAT THALASSA route and voyage history

The most recent AIS broadcast from GREAT THALASSA is shown on the live map above. The live route and current course of GREAT THALASSA are shown on the bridge map above, updated whenever the vessel is in range of a coastal AIS receiver or a satellite pass.

Vessel class and identifiers

Vessels in the same class as GREAT THALASSA can be seen in the Similar Vessels section above or in the full cargo fleet at /vessel-type/cargo.

Frequently Asked Questions

Where is GREAT THALASSA right now?+
GREAT THALASSA was last reported in the Yellow Sea. Its exact coordinates, speed and ETA are shown at the top of this page and refresh from the latest AIS broadcast.
What are the identifiers for GREAT THALASSA?+
GREAT THALASSA broadcasts MMSI 477966400 and is registered as IMO 9990856. 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.
What type of ship is GREAT THALASSA?+
GREAT THALASSA is classified as a cargo vessel registered under the HK 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 HK flag list at /flag/hk.
How can I see the live position of GREAT THALASSA?+
MarineRadar shows the latest AIS broadcast from GREAT THALASSA 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.
How often is GREAT THALASSA's position updated?+
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.
What class is GREAT THALASSA?+
As a cargo, GREAT THALASSA 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.

GREAT THALASSA — Key Facts

MMSI
477966400
IMO number
9990856
Vessel type
Cargo
Flag state
HK
Current speed
0.0 knots
Course over ground
0.0°
Last known position
37.7136°, 121.0684°