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Japan flag

RYOYU MARU — Tanker · IMO 9873993

JP
World map showing the last known position of RYOYU MARU at 34° 38.832' N, 135° 21.100' E
NSEW
Current PositionLast report

RYOYU MARU was last reported in the Sea of Japan, at 34.6472° N, 135.3517° E.

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

Voyage Tracker

N/A
ATD
N/A
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ETA
N/A
RYOYU MARU

RYOYU MARU

Identity

Tanker
Type
Japan flagJP
Flag
9873993
IMO Number
431013295
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 RYOYU MARU is part of.

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

About RYOYU MARU

Identity · Ownership · Class · Route

RYOYU MARU — Tanker

RYOYU MARU is a tanker registered under the Japan flag.

RYOYU MARU route and voyage history

The most recent AIS broadcast from RYOYU MARU is shown on the live map above. The live route and current course of RYOYU MARU 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 RYOYU MARU can be seen in the Similar Vessels section above or in the full tanker fleet at /vessel-type/tanker.

  • MMSI: 431013295
  • IMO: 9873993
  • Vessel type: Tanker
  • Flag state: Japan

Frequently Asked Questions

Where is RYOYU MARU right now?+
RYOYU MARU was last reported in the Sea of Japan, within the Japan / Korea shipping lane. 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 RYOYU MARU?+
RYOYU MARU broadcasts MMSI 431013295 and is registered as IMO 9873993. 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 RYOYU MARU?+
RYOYU MARU is classified as a tanker vessel registered under the JP 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 JP flag list at /flag/jp.
How can I see the live position of RYOYU MARU?+
MarineRadar shows the latest AIS broadcast from RYOYU MARU 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 RYOYU MARU'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 RYOYU MARU?+
As a tanker, RYOYU MARU 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.

RYOYU MARU — Key Facts

MMSI
431013295
IMO number
9873993
Vessel type
Tanker
Flag state
JP
Current speed
0.0 knots
Course over ground
0.0°
Last known position
34.6472°, 135.3517°