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Japan flag

KURURI MARU — Tug · IMO 9644392

JPUnder way using engine
World map showing the last known position of KURURI MARU at 42° 19.619' N, 140° 58.280' E
NSEW
Current PositionNo recent signal

KURURI MARU has not broadcast an AIS position for 68 days. Its most recent report placed it in the Sea of Japan, at 42.3270° N, 140.9713° E, on 3 Jul 2026, 04:34 UTC. It was sailing from MURORAN to MURORAN.

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Updated 67 days ago using terrestrial data
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Under way using engine
Current Navigational Status
0.0 kn
Speed
26.0°
/ 190°
Course / Heading
0 m
Static Draught
0.2 m
Current Draught

Voyage Tracker

Japan flag
MURORANJPMUR
ATD
20:48 UTCJun 4, 2026
Japan flag
MURORANJPMUR
ETA
21:17 UTCJun 4, 2026
KURURI MARU

KURURI MARU

Identity

Tug
Type
Japan flagJP
Flag
9644392
IMO Number
431002412
MMSI
JD3123
Call Sign

Specifications

36 m × 9 m
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 KURURI 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
See the global fleet of tugs tracked on MarineRadar with live AIS data.
Departure Port
Port of MURORAN
Port traffic, arrivals and live vessel positions for MURORAN (JPMUR).

About KURURI MARU

Identity · Ownership · Class · Route

KURURI MARU — Tug

KURURI MARU is a tug registered under the Japan flag.

KURURI MARU route and voyage history

KURURI MARU is currently on a voyage from MURORAN to MURORAN with an estimated arrival on 2026-06-04T21:17:00Z. The live route and current course of KURURI 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 KURURI MARU can be seen in the Similar Vessels section above or in the full tug fleet at /vessel-type/tug-pilot-vessel.

  • MMSI: 431002412
  • IMO: 9644392
  • Call sign: JD3123
  • Vessel type: Tug
  • Flag state: Japan

Frequently Asked Questions

Where is KURURI MARU right now?+
KURURI MARU has not broadcast an AIS position for 68 days. The most recent broadcast placed it in the Sea of Japan, on 3 Jul 2026, 04:34 UTC. It was sailing from MURORAN to MURORAN. Vessels stop appearing on terrestrial AIS when they move beyond receiver range, so a gap does not necessarily mean the vessel is inactive.
What are the identifiers for KURURI MARU?+
KURURI MARU broadcasts MMSI 431002412 and is registered as IMO 9644392, with call sign JD3123. 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 KURURI MARU?+
KURURI 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 KURURI MARU?+
MarineRadar shows the latest AIS broadcast from KURURI 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 KURURI 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 KURURI MARU?+
As a tug, KURURI 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.

KURURI MARU — Key Facts

MMSI
431002412
IMO number
9644392
Call sign
JD3123
Vessel type
Tug
Flag state
JP
Navigation status
Under way using engine
Current speed
0.0 knots
Course over ground
26.0°
Heading
190°
Last known position
42.3270°, 140.9713°
Destination
MURORAN
ETA
2026-06-04T21:17:00Z
Departure port
MURORAN
Actual time of departure
2026-06-04T20:48:00Z
Current draught
0.2 m
Maximum static draught
0 m
AIS last updated
2026-07-03T04:34:00Z