Japan flag

SEIRYU MARUTug · IMO 9739630

JP
World map showing the last known position of SEIRYU MARU at 33° 57.069' N, 130° 52.700' E
NSEW
Current PositionLast report

SEIRYU MARU was last reported in the East China Sea, at 33.9512° N, 130.8783° 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

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ATD
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ETA
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SEIRYU MARU

SEIRYU MARU

Identity

Tug
Type
Japan flagJP
Flag
9739630
IMO Number
431040000
MMSI
N/A
Call Sign

Specifications

N/A
Length × Breadth
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Year Built
N/A
Deadweight
N/A
Gross Tonnage
N/A
Engine Power
N/A
Builder
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Class Society
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Dive into the fleet, port, and flag state that SEIRYU 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 Tugs
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About SEIRYU MARU

Identity · Ownership · Class · Route

SEIRYU MARU — Tug

SEIRYU MARU is a tug registered under the Japan flag.

SEIRYU MARU route and voyage history

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

  • MMSI: 431040000
  • IMO: 9739630
  • Vessel type: Tug
  • Flag state: Japan

Frequently Asked Questions

Where is SEIRYU MARU right now?+
SEIRYU MARU was last reported in the East China Sea, 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 SEIRYU MARU?+
SEIRYU MARU broadcasts MMSI 431040000 and is registered as IMO 9739630. 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 SEIRYU MARU?+
SEIRYU MARU is classified as a tug vessel registered under the JP flag. The vessel-type classification is derived from the AIS Type field broadcast by the ship's transponder; full tug fleet at /vessel-type/tug-pilot-vessel and full JP flag list at /flag/jp.
How can I see the live position of SEIRYU MARU?+
MarineRadar shows the latest AIS broadcast from SEIRYU 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 SEIRYU 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 SEIRYU MARU?+
As a tug, SEIRYU MARU sits in the same design class as the other tugs listed in the Similar Vessels section of the vessel page, or in the full tug directory at /vessel-type/tug-pilot-vessel.

SEIRYU MARU — Key Facts

MMSI
431040000
IMO number
9739630
Vessel type
Tug
Flag state
JP
Current speed
0.0 knots
Course over ground
0.0°
Last known position
33.9512°, 130.8783°