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Japan flag

SHIMA MARU — Tug · MMSI 431013698

JPUnderway Using Engine
World map showing the last known position of SHIMA MARU at 35° 12.556' N, 139° 44.930' E
NSEW
Current PositionLive

SHIMA MARU is currently under way in the Sea of Japan, at 35.2093° N, 139.7488° E, making 12.6 knots on a course of 131°. It is sailing from KURIHAMA to KURIHAMA ANCH with an ETA of 8 Sep 2026, 21:42 UTC. AIS position received 8 Sep 2026, 21:46 UTC.

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Updated 11 minutes ago using terrestrial data
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Underway Using Engine
Current Navigational Status
12.6 kn
Speed
131.0°
/ 129°
Course / Heading
3 m
Static Draught
3 m
Current Draught

Voyage Tracker

ATD
21:42 UTCSep 8, 2026
ETA
21:42 UTCSep 8, 2026
SHIMA MARU

SHIMA MARU

Identity

Tug
Type
Japan flagJP
Flag
N/A
IMO Number
431013698
MMSI
JD4643
Call Sign

Specifications

38 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 SHIMA 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 KURIHAMA
Port traffic, arrivals and live vessel positions for KURIHAMA (JPKRH).
Destination Port
Port of KURIHAMA ANCH
Arrivals, berth specifications, and live vessel traffic for KURIHAMA ANCH (JPYOS).

About SHIMA MARU

Identity · Ownership · Class · Route

SHIMA MARU — Tug

SHIMA MARU is a tug registered under the Japan flag.

SHIMA MARU route and voyage history

SHIMA MARU is currently on a voyage from KURIHAMA to KURIHAMA ANCH with an estimated arrival on 2026-09-08T21:42:00Z. The live route and current course of SHIMA 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 SHIMA MARU can be seen in the Similar Vessels section above or in the full tug fleet at /vessel-type/tug-pilot-vessel.

  • MMSI: 431013698
  • Call sign: JD4643
  • Vessel type: Tug
  • Flag state: Japan

Frequently Asked Questions

Where is SHIMA MARU right now?+
SHIMA MARU is currently under way in the Sea of Japan, within the Japan / Korea shipping lane. It is sailing from KURIHAMA to KURIHAMA ANCH with an ETA of 8 Sep 2026, 21:42 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 SHIMA MARU?+
SHIMA MARU broadcasts MMSI 431013698, with call sign JD4643 . 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 SHIMA MARU?+
SHIMA 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 SHIMA MARU?+
MarineRadar shows the latest AIS broadcast from SHIMA 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 SHIMA 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 SHIMA MARU?+
As a tug, SHIMA 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.

SHIMA MARU — Key Facts

MMSI
431013698
Call sign
JD4643
Vessel type
Tug
Flag state
JP
Navigation status
Underway Using Engine
Current speed
12.6 knots
Course over ground
131.0°
Heading
129°
Last known position
35.2093°, 139.7488°
Destination
KURIHAMA ANCH
ETA
2026-09-08T21:42:00Z
Departure port
KURIHAMA
Actual time of departure
2026-09-08T21:42:00Z
Current draught
3 m
Maximum static draught
3 m
AIS last updated
2026-09-08T21:46:16Z