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Hong Kong SAR China flag

MD321 — Unknown · IMO 0

HK
World map showing the last known position of MD321 at 22° 20.822' N, 114° 3.328' E
NSEW
Current PositionLast report

MD321 was last reported in the South China Sea, at 22.3470° N, 114.0555° E.

Show in Map
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
MD321

MD321

Identity

Unknown
Type
Hong Kong SAR China flagHK
Flag
0
IMO Number
477995536
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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Real-time AIS positions, voyage history, and arrival alerts for MD321 — straight from your phone.

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Dive into the fleet, port, and flag state that MD321 is part of.

Flag State
All HK-flagged vessels
Browse every ship currently registered under the HK flag, with live AIS positions.

About MD321

Identity · Ownership · Class · Route

MD321 — Vessel

MD321 is a maritime vessel registered under the Hong Kong flag.

MD321 route and voyage history

The most recent AIS broadcast from MD321 is shown on the live map above. The live route and current course of MD321 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 MD321 can be seen in the Similar Vessels section above.

Frequently Asked Questions

Where is MD321 right now?+
MD321 was last reported in the South China 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 MD321?+
MD321 broadcasts MMSI 477995536 and is registered as IMO 0. 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 MD321?+
MD321 is classified as a unknown vessel registered under the HK flag. The vessel-type classification is derived from the AIS Type field broadcast by the ship's transponder and full HK flag list at /flag/hk.
How can I see the live position of MD321?+
MarineRadar shows the latest AIS broadcast from MD321 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 MD321'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 MD321?+
As a unknown, MD321 sits in the same design class as the other unknowns listed in the Similar Vessels section of the vessel page.

MD321 — Key Facts

MMSI
477995536
IMO number
0
Vessel type
Unknown
Flag state
HK
Current speed
0.0 knots
Course over ground
0.0°
Last known position
22.3470°, 114.0555°