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Japan flag

SHOYO — Dredger · MMSI 431018923

JPClass B
World map showing the last known position of SHOYO at 38° 25.068' N, 141° 16.534' E
NSEW
Current PositionLast report

SHOYO was last reported in the Sea of Japan, at 38.4178° N, 141.2756° E, on 8 Sep 2026, 08:12 UTC. It was sailing from ISHINOMAKI to ISHINOMAKI with an ETA of 3 Sep 2026, 00:50 UTC.

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Updated 7 hours ago using terrestrial data
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Class B
Current Navigational Status
0.0 kn
Speed
0.0°
/ 351°
Course / Heading
---
Static Draught
---
Current Draught

Voyage Tracker

ATD
00:11 UTCSep 3, 2026
ETA
00:50 UTCSep 3, 2026
SHOYO

SHOYO

Identity

Dredger
Type
Japan flagJP
Flag
N/A
IMO Number
431018923
MMSI
N/A
Call Sign

Specifications

N/A
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 SHOYO 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 Dredgers
See the global fleet of dredgers tracked on MarineRadar with live AIS data.
Departure Port
Port of ISHINOMAKI
Port traffic, arrivals and live vessel positions for ISHINOMAKI (JPISM).

About SHOYO

Identity · Ownership · Class · Route

SHOYO — Dredger

SHOYO is a dredger registered under the Japan flag.

SHOYO route and voyage history

SHOYO is currently on a voyage from ISHINOMAKI to ISHINOMAKI with an estimated arrival on 2026-09-03T00:50:00Z. The live route and current course of SHOYO 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 SHOYO can be seen in the Similar Vessels section above or in the full dredger fleet at /vessel-type/military-special.

Frequently Asked Questions

Where is SHOYO right now?+
SHOYO was last reported in the Sea of Japan, within the Japan / Korea shipping lane, on 8 Sep 2026, 08:12 UTC. It was sailing from ISHINOMAKI to ISHINOMAKI with an ETA of 3 Sep 2026, 00:50 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 SHOYO?+
SHOYO broadcasts MMSI 431018923. 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 SHOYO?+
SHOYO is classified as a dredger vessel registered under the JP flag. The vessel-type classification is derived from the AIS Type field broadcast by the ship's transponder; full dredger fleet at /vessel-type/military-special and full JP flag list at /flag/jp.
How can I see the live position of SHOYO?+
MarineRadar shows the latest AIS broadcast from SHOYO 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 SHOYO'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 SHOYO?+
As a dredger, SHOYO sits in the same design class as the other dredgers listed in the Similar Vessels section of the vessel page, or in the full dredger directory at /vessel-type/military-special.

SHOYO — Key Facts

MMSI
431018923
Vessel type
Dredger
Flag state
JP
Navigation status
Class B
Current speed
0.0 knots
Course over ground
0.0°
Heading
351°
Last known position
38.4178°, 141.2756°
Destination
ISHINOMAKI
ETA
2026-09-03T00:50:00Z
Departure port
ISHINOMAKI
Actual time of departure
2026-09-03T00:11:00Z
AIS last updated
2026-09-08T08:12:49Z