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OUKA — Cargo · IMO 8738146

JPUnder way using engine
World map showing the last known position of OUKA at 35° 33.185' N, 140° 2.436' E
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Current PositionLive

OUKA is currently under way in the Sea of Japan, at 35.5531° N, 140.0406° E, making 0.1 knots on a course of 301°. It is sailing from TAKAMATSU to CHIBA with an ETA of 8 Nov 2026, 22:00 UTC. AIS position received 8 Nov 2026, 16:19 UTC.

Updated 13 minutes using terrestrial data
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Under way using engine
Current Navigational Status
0.1 kn
Speed
301.0°
/ 100°
Course / Heading
3.6 m
Static Draught
4.7 m
Current Draught

Voyage Tracker

ATD
06:02 UTCNov 5, 2026
Japan flag
CHIBAJPCHB
ETA
22:00 UTCNov 8, 2026
OUKA

OUKA

Identity

Cargo
Type
Japan flagJP
Flag
8738146
IMO Number
431000488
MMSI
JD2631
Call Sign

Specifications

73 m × 12 m
Length × Breadth
2008-01-01
Year Built
1,830 t
Deadweight
499 t
Gross Tonnage
N/A
Engine Power
NAKANOSHIMA SHIPBUILDING - FUKUYAMA, JAPAN
Builder
N/A
Class Society
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About OUKA

Identity · Ownership · Class · Route

OUKA — Cargo

Built in 2008, with a gross tonnage of 499 GT, and a dead weight of 1,830 tonnes, OUKA is a cargo registered under the Japan flag. The vessel is owned by YUJI KAIUN - TOKUSHIMA, JAPAN, built by NAKANOSHIMA SHIPBUILDING - FUKUYAMA, JAPAN.

OUKA route and voyage history

OUKA is currently on a voyage from TAKAMATSU to CHIBA with an estimated arrival on 2026-11-08T22:00:00Z. The live route and current course of OUKA 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 OUKA can be seen in the Similar Vessels section above or in the full cargo fleet at /vessel-type/cargo.

  • MMSI: 431000488
  • IMO: 8738146
  • Call sign: JD2631
  • Vessel type: Cargo
  • Flag state: Japan

Frequently Asked Questions

Where is OUKA right now?

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OUKA is currently under way in the Sea of Japan, within the Japan / Korea shipping lane. It is sailing from TAKAMATSU to CHIBA with an ETA of 8 Nov 2026, 22:00 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 OUKA?

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OUKA broadcasts MMSI 431000488 and is registered as IMO 8738146, with call sign JD2631. 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 OUKA?

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OUKA is classified as a cargo vessel registered under the JP flag. The vessel-type classification is derived from the AIS Type field broadcast by the ship's transponder; full cargo fleet at /vessel-type/cargo and full JP flag list at /flag/jp.

How can I see the live position of OUKA?

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MarineRadar shows the latest AIS broadcast from OUKA 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 OUKA's position updated?

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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 OUKA?

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As a cargo, OUKA sits in the same design class as the other cargos listed in the Similar Vessels section of the vessel page, or in the full cargo directory at /vessel-type/cargo. OUKA has a gross tonnage of 499 GT.

OUKA — Key Facts

MMSI
431000488
IMO number
8738146
Call sign
JD2631
Vessel type
Cargo
Flag state
JP
Navigation status
Under way using engine
Current speed
0.1 knots
Course over ground
301.0°
Heading
100°
Last known position
35.5531°, 140.0406°
Destination
CHIBA
ETA
2026-11-08T22:00:00Z
Departure port
TAKAMATSU
Actual time of departure
2026-11-05T06:02:00Z
Current draught
4.7 m
Maximum static draught
3.6 m
Year built
2008-01-01
Gross tonnage
499
Dead weight
1830 t
AIS last updated
2026-11-08T16:19:00Z