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Japan flag

KAIWO MARU — Sailing Vessel · IMO 8801010

JPMoored
World map showing the last known position of KAIWO MARU at 34° 40.942' N, 135° 11.795' E
NSEW
Current PositionLive

KAIWO MARU is currently moored in the Sea of Japan, at 34.6824° N, 135.1966° E. It is sailing from OSAKA to KOBE with an ETA of 7 Sep 2026, 23:45 UTC. AIS position received 8 Sep 2026, 17:23 UTC.

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Updated 26 minutes ago using terrestrial data
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Moored
Current Navigational Status
0.0 kn
Speed
0.0°
/ 353°
Course / Heading
6.2 m
Static Draught
6.8 m
Current Draught

Voyage Tracker

Japan flag
OSAKAJPOSA
ATD
05:16 UTCSep 4, 2026
Japan flag
KOBEJPUKB
ETA
23:45 UTCSep 7, 2026
KAIWO MARU

KAIWO MARU

Identity

Sailing Vessel
Type
Japan flagJP
Flag
8801010
IMO Number
431006000
MMSI
JMMU
Call Sign

Specifications

110 m × 14 m
Length × Breadth
1989-01-01
Year Built
1,425 t
Deadweight
2,556 t
Gross Tonnage
N/A
Engine Power
SUMITOMO URAGA DOCK - URAGA, JAPAN
Builder
N/A
Class Society
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Dive into the fleet, port, and flag state that KAIWO 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 Sailing Vessels
See the global fleet of sailing vessels tracked on MarineRadar with live AIS data.
Departure Port
Port of OSAKA
Port traffic, arrivals and live vessel positions for OSAKA (JPOSA).
Destination Port
Port of KOBE
Arrivals, berth specifications, and live vessel traffic for KOBE (JPUKB).

About KAIWO MARU

Identity · Ownership · Class · Route

KAIWO MARU — Sailing Vessel

Built in 1989, with a gross tonnage of 2,556 GT, and a dead weight of 1,425 tonnes, KAIWO MARU is a sailing vessel registered under the Japan flag. The vessel is owned by JAPAN GOVERNMENT - TOKYO, JAPAN, built by SUMITOMO URAGA DOCK - URAGA, JAPAN.

KAIWO MARU route and voyage history

KAIWO MARU is currently on a voyage from OSAKA to KOBE with an estimated arrival on 2026-09-07T23:45:00Z. The live route and current course of KAIWO 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 KAIWO MARU can be seen in the Similar Vessels section above or in the full sailing vessel fleet at /vessel-type/yacht.

Frequently Asked Questions

Where is KAIWO MARU right now?+
KAIWO MARU is currently moored in the Sea of Japan, within the Japan / Korea shipping lane. It is sailing from OSAKA to KOBE with an ETA of 7 Sep 2026, 23:45 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 KAIWO MARU?+
KAIWO MARU broadcasts MMSI 431006000 and is registered as IMO 8801010, with call sign JMMU. 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 KAIWO MARU?+
KAIWO MARU is classified as a sailing vessel vessel registered under the JP flag. The vessel-type classification is derived from the AIS Type field broadcast by the ship's transponder; full sailing vessel fleet at /vessel-type/yacht and full JP flag list at /flag/jp.
How can I see the live position of KAIWO MARU?+
MarineRadar shows the latest AIS broadcast from KAIWO 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 KAIWO 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 KAIWO MARU?+
As a sailing vessel, KAIWO MARU sits in the same design class as the other sailing vessels listed in the Similar Vessels section of the vessel page, or in the full sailing vessel directory at /vessel-type/yacht. KAIWO MARU has a gross tonnage of 2,556 GT.

KAIWO MARU — Key Facts

MMSI
431006000
IMO number
8801010
Call sign
JMMU
Vessel type
Sailing Vessel
Flag state
JP
Navigation status
Moored
Current speed
0.0 knots
Course over ground
0.0°
Heading
353°
Last known position
34.6824°, 135.1966°
Destination
KOBE
ETA
2026-09-07T23:45:00Z
Departure port
OSAKA
Actual time of departure
2026-09-04T05:16:00Z
Current draught
6.8 m
Maximum static draught
6.2 m
Year built
1989-01-01
Gross tonnage
2556
Dead weight
1425 t
AIS last updated
2026-09-08T17:23:15Z