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Japan flag

KUROBE MARU — Tug · IMO 9644380

JPUnder way using engine
World map showing the last known position of KUROBE MARU at 35° 28.827' N, 139° 38.866' E
NSEW
Current PositionLast report

KUROBE MARU was last reported under way in the Sea of Japan, at 35.4805° N, 139.6478° E, on 7 Sep 2026, 01:45 UTC. It was sailing from YOKOHAMA to YOKOHAMA with an ETA of 2 Sep 2026, 04:21 UTC.

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Updated 1 day ago using terrestrial data
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Under way using engine
Current Navigational Status
0.0 kn
Speed
280.0°
/ 303°
Course / Heading
3.6 m
Static Draught
3.6 m
Current Draught

Voyage Tracker

ATD
04:13 UTCSep 2, 2026
ETA
04:21 UTCSep 2, 2026
KUROBE MARU

KUROBE MARU

Identity

Tug
Type
Japan flagJP
Flag
9644380
IMO Number
431002971
MMSI
JD3243
Call Sign

Specifications

40 m × 10 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 KUROBE 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 YOKOHAMA
Port traffic, arrivals and live vessel positions for YOKOHAMA (JPYOK).

About KUROBE MARU

Identity · Ownership · Class · Route

KUROBE MARU — Tug

KUROBE MARU is a tug registered under the Japan flag.

KUROBE MARU route and voyage history

KUROBE MARU is currently on a voyage from YOKOHAMA to YOKOHAMA with an estimated arrival on 2026-09-02T04:21:00Z. The live route and current course of KUROBE 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 KUROBE MARU can be seen in the Similar Vessels section above or in the full tug fleet at /vessel-type/tug-pilot-vessel.

  • MMSI: 431002971
  • IMO: 9644380
  • Call sign: JD3243
  • Vessel type: Tug
  • Flag state: Japan

Frequently Asked Questions

Where is KUROBE MARU right now?+
KUROBE MARU was last reported under way in the Sea of Japan, within the Japan / Korea shipping lane, on 7 Sep 2026, 01:45 UTC. It was sailing from YOKOHAMA to YOKOHAMA with an ETA of 2 Sep 2026, 04:21 UTC. 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 KUROBE MARU?+
KUROBE MARU broadcasts MMSI 431002971 and is registered as IMO 9644380, with call sign JD3243. 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 KUROBE MARU?+
KUROBE 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 KUROBE MARU?+
MarineRadar shows the latest AIS broadcast from KUROBE 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 KUROBE 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 KUROBE MARU?+
As a tug, KUROBE 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.

KUROBE MARU — Key Facts

MMSI
431002971
IMO number
9644380
Call sign
JD3243
Vessel type
Tug
Flag state
JP
Navigation status
Under way using engine
Current speed
0.0 knots
Course over ground
280.0°
Heading
303°
Last known position
35.4805°, 139.6478°
Destination
YOKOHAMA
ETA
2026-09-02T04:21:00Z
Departure port
YOKOHAMA
Actual time of departure
2026-09-02T04:13:00Z
Current draught
3.6 m
Maximum static draught
3.6 m
AIS last updated
2026-09-07T01:45:00Z