Japan flag

TOKUYO MARU NO.21Tanker · IMO 9228631

JPUnder way using engine
World map showing the last known position of TOKUYO MARU NO.21 at 34° 36.684' N, 136° 33.621' E
NSEW
Current PositionLast report

TOKUYO MARU NO.21 was last reported under way in the Sea of Japan, at 34.6114° N, 136.5603° E, on 7 Sep 2026, 03:03 UTC. It was sailing from YOKKAICHI to MATSUSAKA with an ETA of 7 Sep 2026, 02:54 UTC.

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Updated 1 day ago using terrestrial data
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Under way using engine
Current Navigational Status
0.5 kn
Speed
74.0°
/ 199°
Course / Heading
4.5 m
Static Draught
4.5 m
Current Draught

Voyage Tracker

ATD
02:47 UTCSep 5, 2026
ETA
02:54 UTCSep 7, 2026
TOKUYO MARU NO.21

TOKUYO MARU NO.21

Identity

Tanker
Type
Japan flagJP
Flag
9228631
IMO Number
431401849
MMSI
JK5540
Call Sign

Specifications

67 m × 11 m
Length × Breadth
2000-01-01
Year Built
981 t
Deadweight
749 t
Gross Tonnage
N/A
Engine Power
USUKI SHIPYARD CO. LTD. - USUKI, JAPAN
Builder
NIPPON KAIJI KYOKAI (NKK)
Class Society
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Dive into the fleet, port, and flag state that TOKUYO MARU NO.21 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 Tankers
See the global fleet of tankers tracked on MarineRadar with live AIS data.
Departure Port
Port of YOKKAICHI
Port traffic, arrivals and live vessel positions for YOKKAICHI (JPYKK).
Destination Port
Port of MATSUSAKA
Arrivals, berth specifications, and live vessel traffic for MATSUSAKA (JPMSA).

About TOKUYO MARU NO.21

Identity · Ownership · Class · Route

TOKUYO MARU NO.21 — Tanker

Built in 2000, with a gross tonnage of 749 GT, and a dead weight of 981 tonnes, TOKUYO MARU NO.21 is a tanker registered under the Japan flag. The vessel is owned by IWASAKI KISEN - BIZEN, JAPAN, built by USUKI SHIPYARD CO. LTD. - USUKI, JAPAN.

TOKUYO MARU NO.21 route and voyage history

TOKUYO MARU NO.21 is currently on a voyage from YOKKAICHI to MATSUSAKA with an estimated arrival on 2026-09-07T02:54:00Z. The live route and current course of TOKUYO MARU NO.21 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

TOKUYO MARU NO.21 is classed by NIPPON KAIJI KYOKAI (NKK), which inspects the vessel against its safety and structural rules. Vessels in the same class as TOKUYO MARU NO.21 can be seen in the Similar Vessels section above or in the full tanker fleet at /vessel-type/tanker.

  • MMSI: 431401849
  • IMO: 9228631
  • Call sign: JK5540
  • Vessel type: Tanker
  • Flag state: Japan

Frequently Asked Questions

Where is TOKUYO MARU NO.21 right now?+
TOKUYO MARU NO.21 was last reported under way in the Sea of Japan, within the Japan / Korea shipping lane, on 7 Sep 2026, 03:03 UTC. It was sailing from YOKKAICHI to MATSUSAKA with an ETA of 7 Sep 2026, 02:54 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 TOKUYO MARU NO.21?+
TOKUYO MARU NO.21 broadcasts MMSI 431401849 and is registered as IMO 9228631, with call sign JK5540. 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 TOKUYO MARU NO.21?+
TOKUYO MARU NO.21 is classified as a tanker vessel registered under the JP flag. The vessel-type classification is derived from the AIS Type field broadcast by the ship's transponder; full tanker fleet at /vessel-type/tanker and full JP flag list at /flag/jp.
How can I see the live position of TOKUYO MARU NO.21?+
MarineRadar shows the latest AIS broadcast from TOKUYO MARU NO.21 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 TOKUYO MARU NO.21'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 TOKUYO MARU NO.21?+
TOKUYO MARU NO.21 is classed by NIPPON KAIJI KYOKAI (NKK), the classification society responsible for inspecting the vessel against safety, structural and operational rules. As a tanker, TOKUYO MARU NO.21 sits in the same design class as the other tankers listed in the Similar Vessels section of the vessel page, or in the full tanker directory at /vessel-type/tanker. TOKUYO MARU NO.21 has a gross tonnage of 749 GT.

TOKUYO MARU NO.21 — Key Facts

MMSI
431401849
IMO number
9228631
Call sign
JK5540
Vessel type
Tanker
Flag state
JP
Navigation status
Under way using engine
Current speed
0.5 knots
Course over ground
74.0°
Heading
199°
Last known position
34.6114°, 136.5603°
Destination
MATSUSAKA
ETA
2026-09-07T02:54:00Z
Departure port
YOKKAICHI
Actual time of departure
2026-09-05T02:47:00Z
Current draught
4.5 m
Maximum static draught
4.5 m
Year built
2000-01-01
Gross tonnage
749
Dead weight
981 t
AIS last updated
2026-09-07T03:03:00Z