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Japan flag

KAIRYUUMARU — Fishing · MMSI 431024594

JPClass B
World map showing the last known position of KAIRYUUMARU at 28° 26.586' N, 129° 42.880' E
NSEW
Current PositionNo recent signal

KAIRYUUMARU has not broadcast an AIS position for 40 days. Its most recent report placed it in the East China Sea, at 28.4431° N, 129.7147° E, on 30 Jul 2026, 12:11 UTC. It was sailing from YOROZUYA to CLASS B.

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Updated 40 days ago using terrestrial data
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Class B
Current Navigational Status
0.0 kn
Speed
31.0°
/ ---
Course / Heading
---
Static Draught
---
Current Draught

Voyage Tracker

YOROZUYA
ATD
23:39 UTCDec 15, 2025
CLASS B
ETA
N/A
KAIRYUUMARU

KAIRYUUMARU

Identity

Fishing
Type
Japan flagJP
Flag
N/A
IMO Number
431024594
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 KAIRYUUMARU 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 Fishings
See the global fleet of fishings tracked on MarineRadar with live AIS data.

About KAIRYUUMARU

Identity · Ownership · Class · Route

KAIRYUUMARU — Fishing

KAIRYUUMARU is a fishing registered under the Japan flag.

KAIRYUUMARU route and voyage history

KAIRYUUMARU most recently departed YOROZUYA. The live route and current course of KAIRYUUMARU 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 KAIRYUUMARU can be seen in the Similar Vessels section above or in the full fishing fleet at /vessel-type/fishing.

Frequently Asked Questions

Where is KAIRYUUMARU right now?+
KAIRYUUMARU has not broadcast an AIS position for 40 days. The most recent broadcast placed it in the East China Sea, on 30 Jul 2026, 12:11 UTC. It was sailing from YOROZUYA to CLASS B. 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 KAIRYUUMARU?+
KAIRYUUMARU broadcasts MMSI 431024594. 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 KAIRYUUMARU?+
KAIRYUUMARU is classified as a fishing vessel registered under the JP flag. The vessel-type classification is derived from the AIS Type field broadcast by the ship's transponder; full fishing fleet at /vessel-type/fishing and full JP flag list at /flag/jp.
How can I see the live position of KAIRYUUMARU?+
MarineRadar shows the latest AIS broadcast from KAIRYUUMARU 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 KAIRYUUMARU'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 KAIRYUUMARU?+
As a fishing, KAIRYUUMARU sits in the same design class as the other fishings listed in the Similar Vessels section of the vessel page, or in the full fishing directory at /vessel-type/fishing.

KAIRYUUMARU — Key Facts

MMSI
431024594
Vessel type
Fishing
Flag state
JP
Navigation status
Class B
Current speed
0.0 knots
Course over ground
31.0°
Last known position
28.4431°, 129.7147°
Destination
CLASS B
Departure port
YOROZUYA
Actual time of departure
2025-12-15T23:39:00Z
AIS last updated
2026-07-30T12:11:00Z