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KOHKAKU MARU — Tug · IMO 9459797

JPMoored
World map showing the last known position of KOHKAKU MARU at 34° 47.023' N, 134° 27.486' E
NSEW
Current PositionLive

KOHKAKU MARU is currently moored in the Sea of Japan, at 34.7837° N, 134.4581° E. It is sailing from TADOTSU to AIOI with an ETA of 5 Sep 2026, 08:00 UTC. AIS position received 8 Sep 2026, 17:42 UTC.

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Updated 2 hours ago using terrestrial data
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Moored
Current Navigational Status
0.0 kn
Speed
213.0°
/ 161°
Course / Heading
4.5 m
Static Draught
4.5 m
Current Draught

Voyage Tracker

Japan flag
TADOTSUJPTAD
ATD
03:44 UTCSep 5, 2026
Japan flag
AIOIJPAIO
ETA
08:00 UTCSep 5, 2026
KOHKAKU MARU

KOHKAKU MARU

Identity

Tug
Type
Japan flagJP
Flag
9459797
IMO Number
432655000
MMSI
7JDL
Call Sign

Specifications

35 m × 9 m
Length × Breadth
2008-01-01
Year Built
430 t
Deadweight
493 t
Gross Tonnage
N/A
Engine Power
KANBARA SHIPBUILDING - ONOMICHI, JAPAN
Builder
N/A
Class Society
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Dive into the fleet, port, and flag state that KOHKAKU 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 Tugs
See the global fleet of tugs tracked on MarineRadar with live AIS data.
Departure Port
Port of TADOTSU
Port traffic, arrivals and live vessel positions for TADOTSU (JPTAD).
Destination Port
Port of AIOI
Arrivals, berth specifications, and live vessel traffic for AIOI (JPAIO).

About KOHKAKU MARU

Identity · Ownership · Class · Route

KOHKAKU MARU — Tug

Built in 2008, with a gross tonnage of 493 GT, and a dead weight of 430 tonnes, KOHKAKU MARU is a tug registered under the Japan flag. The vessel is owned by STEEL HUB - KURASHIKI, JAPAN, built by KANBARA SHIPBUILDING - ONOMICHI, JAPAN.

KOHKAKU MARU route and voyage history

KOHKAKU MARU is currently on a voyage from TADOTSU to AIOI with an estimated arrival on 2026-09-05T08:00:00Z. The live route and current course of KOHKAKU 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 KOHKAKU MARU can be seen in the Similar Vessels section above or in the full tug fleet at /vessel-type/tug-pilot-vessel.

  • MMSI: 432655000
  • IMO: 9459797
  • Call sign: 7JDL
  • Vessel type: Tug
  • Flag state: Japan

Frequently Asked Questions

Where is KOHKAKU MARU right now?+
KOHKAKU MARU is currently moored in the Sea of Japan, within the Japan / Korea shipping lane. It is sailing from TADOTSU to AIOI with an ETA of 5 Sep 2026, 08:00 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 KOHKAKU MARU?+
KOHKAKU MARU broadcasts MMSI 432655000 and is registered as IMO 9459797, with call sign 7JDL. 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 KOHKAKU MARU?+
KOHKAKU MARU is classified as a tug vessel registered under the JP flag. The vessel-type classification is derived from the AIS Type field broadcast by the ship's transponder; full tug fleet at /vessel-type/tug-pilot-vessel and full JP flag list at /flag/jp.
How can I see the live position of KOHKAKU MARU?+
MarineRadar shows the latest AIS broadcast from KOHKAKU 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 KOHKAKU 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 KOHKAKU MARU?+
As a tug, KOHKAKU MARU sits in the same design class as the other tugs listed in the Similar Vessels section of the vessel page, or in the full tug directory at /vessel-type/tug-pilot-vessel. KOHKAKU MARU has a gross tonnage of 493 GT.

KOHKAKU MARU — Key Facts

MMSI
432655000
IMO number
9459797
Call sign
7JDL
Vessel type
Tug
Flag state
JP
Navigation status
Moored
Current speed
0.0 knots
Course over ground
213.0°
Heading
161°
Last known position
34.7837°, 134.4581°
Destination
AIOI
ETA
2026-09-05T08:00:00Z
Departure port
TADOTSU
Actual time of departure
2026-09-05T03:44:00Z
Current draught
4.5 m
Maximum static draught
4.5 m
Year built
2008-01-01
Gross tonnage
493
Dead weight
430 t
AIS last updated
2026-09-08T17:42:00Z