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Japan flag

KOURYOU MARU NO.28 — Fishing · MMSI 431014901

JPClass B
World map showing the last known position of KOURYOU MARU NO.28 at 38° 54.365' N, 141° 35.246' E
NSEW
Current PositionNo recent signal

KOURYOU MARU NO.28 has not broadcast an AIS position for 3 days. Its most recent report placed it in the Sea of Japan, at 38.9061° N, 141.5874° E, on 5 Sep 2026, 06:04 UTC. It was sailing from KESENNUMA to KESENNUMA.

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Updated 3 days ago using terrestrial data
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Class B
Current Navigational Status
0.5 kn
Speed
87.0°
/ 71°
Course / Heading
---
Static Draught
---
Current Draught

Voyage Tracker

ATD
07:18 UTCMar 10, 2026
ETA
05:45 UTCSep 5, 2026
KOURYOU MARU NO.28

KOURYOU MARU NO.28

Identity

Fishing
Type
Japan flagJP
Flag
N/A
IMO Number
431014901
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 KOURYOU MARU NO.28 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.
Departure Port
Port of KESENNUMA
Port traffic, arrivals and live vessel positions for KESENNUMA (JPKSN).

About KOURYOU MARU NO.28

Identity · Ownership · Class · Route

KOURYOU MARU NO.28 — Fishing

KOURYOU MARU NO.28 is a fishing registered under the Japan flag.

KOURYOU MARU NO.28 route and voyage history

KOURYOU MARU NO.28 is currently on a voyage from KESENNUMA to KESENNUMA with an estimated arrival on 2026-09-05T05:45:00Z. The live route and current course of KOURYOU MARU NO.28 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 KOURYOU MARU NO.28 can be seen in the Similar Vessels section above or in the full fishing fleet at /vessel-type/fishing.

Frequently Asked Questions

Where is KOURYOU MARU NO.28 right now?+
KOURYOU MARU NO.28 has not broadcast an AIS position for 3 days. The most recent broadcast placed it in the Sea of Japan, on 5 Sep 2026, 06:04 UTC. It was sailing from KESENNUMA to KESENNUMA. 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 KOURYOU MARU NO.28?+
KOURYOU MARU NO.28 broadcasts MMSI 431014901. 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 KOURYOU MARU NO.28?+
KOURYOU MARU NO.28 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 KOURYOU MARU NO.28?+
MarineRadar shows the latest AIS broadcast from KOURYOU MARU NO.28 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 KOURYOU MARU NO.28'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 KOURYOU MARU NO.28?+
As a fishing, KOURYOU MARU NO.28 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.

KOURYOU MARU NO.28 — Key Facts

MMSI
431014901
Vessel type
Fishing
Flag state
JP
Navigation status
Class B
Current speed
0.5 knots
Course over ground
87.0°
Heading
71°
Last known position
38.9061°, 141.5874°
Destination
KESENNUMA
ETA
2026-09-05T05:45:00Z
Departure port
KESENNUMA
Actual time of departure
2026-03-10T07:18:00Z
AIS last updated
2026-09-05T06:04:18Z