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Japan flag

SEISHO MARU — Cargo · IMO 9790529

JPUnder way using engine
World map showing the last known position of SEISHO MARU at 38° 28.336' N, 141° 42.174' E
NSEW
Current PositionLive

SEISHO MARU is currently under way in the Sea of Japan, at 38.4723° N, 141.7029° E, making 9.6 knots on a course of 23°. It is sailing from KASHIMA to HAKODATE with an ETA of 10 Sep 2026, 07:00 UTC. AIS position received 8 Sep 2026, 22:49 UTC.

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Updated 27 minutes ago using terrestrial data
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Under way using engine
Current Navigational Status
9.6 kn
Speed
23.0°
/ 21°
Course / Heading
3.6 m
Static Draught
4.3 m
Current Draught

Voyage Tracker

Japan flag
KASHIMAJPKSM
ATD
06:27 UTCSep 8, 2026
ETA
07:00 UTCSep 10, 2026
SEISHO MARU

SEISHO MARU

Identity

Cargo
Type
Japan flagJP
Flag
9790529
IMO Number
431005903
MMSI
JD3766
Call Sign

Specifications

75 m × 12 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 SEISHO 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 Cargos
See the global fleet of cargos tracked on MarineRadar with live AIS data.
Departure Port
Port of KASHIMA
Port traffic, arrivals and live vessel positions for KASHIMA (JPKSM).
Destination Port
Port of HAKODATE
Arrivals, berth specifications, and live vessel traffic for HAKODATE (JPHKD).

About SEISHO MARU

Identity · Ownership · Class · Route

SEISHO MARU — Cargo

SEISHO MARU is a cargo registered under the Japan flag.

SEISHO MARU route and voyage history

SEISHO MARU is currently on a voyage from KASHIMA to HAKODATE with an estimated arrival on 2026-09-10T07:00:00Z. The live route and current course of SEISHO 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 SEISHO MARU can be seen in the Similar Vessels section above or in the full cargo fleet at /vessel-type/cargo.

  • MMSI: 431005903
  • IMO: 9790529
  • Call sign: JD3766
  • Vessel type: Cargo
  • Flag state: Japan

Frequently Asked Questions

Where is SEISHO MARU right now?+
SEISHO MARU is currently under way in the Sea of Japan, within the Japan / Korea shipping lane. It is sailing from KASHIMA to HAKODATE with an ETA of 10 Sep 2026, 07:00 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 SEISHO MARU?+
SEISHO MARU broadcasts MMSI 431005903 and is registered as IMO 9790529, with call sign JD3766. 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 SEISHO MARU?+
SEISHO MARU is classified as a cargo vessel registered under the JP flag. The vessel-type classification is derived from the AIS Type field broadcast by the ship's transponder; full cargo fleet at /vessel-type/cargo and full JP flag list at /flag/jp.
How can I see the live position of SEISHO MARU?+
MarineRadar shows the latest AIS broadcast from SEISHO 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 SEISHO 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 SEISHO MARU?+
As a cargo, SEISHO MARU sits in the same design class as the other cargos listed in the Similar Vessels section of the vessel page, or in the full cargo directory at /vessel-type/cargo.

SEISHO MARU — Key Facts

MMSI
431005903
IMO number
9790529
Call sign
JD3766
Vessel type
Cargo
Flag state
JP
Navigation status
Under way using engine
Current speed
9.6 knots
Course over ground
23.0°
Heading
21°
Last known position
38.4723°, 141.7029°
Destination
HAKODATE
ETA
2026-09-10T07:00:00Z
Departure port
KASHIMA
Actual time of departure
2026-09-08T06:27:00Z
Current draught
4.3 m
Maximum static draught
3.6 m
Dead weight
0 t
AIS last updated
2026-09-08T22:49:00Z