Tug 🇯🇵Japan

SEIRYUMARU

IMO 9739630MMSI 431040000Call sign 7JSL

68 km W of Kikaishima, Japan

Last seen 10 Nov, 23:36 UTC

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28.1420° N, 129.3053° E

Speed5.1kn

Course259°

DestinationJP KNY OFF

Voyage

Destination: JP KNY OFF
Speed: 5.1 kn
Course: 259°
Heading: 257°
Position: 28.1420° N, 129.3053° E
Last report: 10 Nov 2026, 23:36 UTC10 Nov, 23:36 UTC
Nearest port: Kikaishima68 km W of the port

Particulars

IMO: 9739630
MMSI: 431040000
Call sign: 7JSL
Flag: 🇯🇵 Japan
Type: TugAIS type 52
Length: 41 m
Beam: 10 m
Draught: 4.2 m

Not broadcast: ETA.

About SEIRYUMARU

SEIRYUMARU (IMO 9739630, MMSI 431040000) is a tug registered in Japan. It is 41 m long and 10 m wide. Its most recent AIS position, received on 10 Nov 2026 at 23:36 UTC, placed it 68 km W of Kikaishima, Japan. It was moving at 5.1 knots on a course of 259°. The crew reported JP KNY OFF as the destination.

Frequently asked questions

Where is SEIRYUMARU now?

SEIRYUMARU was last reported 68 km W of Kikaishima, Japan on 10 Nov 2026 at 23:36 UTC. It was moving at 5.1 knots on a course of 259°.

What type of ship is SEIRYUMARU?

SEIRYUMARU is a tug. It is 41 m long and 10 m wide.

What is the IMO and MMSI number of SEIRYUMARU?

The MMSI of SEIRYUMARU is 431040000. Its IMO number is 9739630. Its call sign is 7JSL.

What flag does SEIRYUMARU fly?

SEIRYUMARU sails under the flag of Japan (JP).

Where is SEIRYUMARU going?

SEIRYUMARU reported its destination as JP KNY OFF.

Vessels nearby

Other ships reported close to SEIRYUMARU in the last 24 hours.

SHOKA 🇯🇵 Cargo → JP → KNY OFF0.2 km away · Stopped SHOREI 🇯🇵 Cargo → JP KNY OFF0.5 km away · Stopped TOBIUO3 🇯🇵 Fishing → CLASS B1.1 km away · 10.1 kn TENJIN MARU NO.65 🇯🇵 Cargo → JP KNY OFF1.3 km away · Stopped MARUMASA NO.1 🇯🇵 Cargo 1.5 km away · Stopped FERRY KAKEROMA 🇯🇵 Passenger → CLASS B2.8 km away · 11.0 kn

Show 6 more

YOUKO MARU 🇯🇵 Tanker → JP/INO/OFF2.9 km away · 11.0 kn SUMIHOUMARU NO.31 🇯🇵 Fishing → CLASS B3.7 km away · 8.8 kn TENTYOU MARU 🇯🇵 Cargo → CLASS B5.2 km away · 8.8 kn HUKAURAMARU 🇯🇵 Fishing → CLASS B6.1 km away · 2.0 kn SETONAMI 🇯🇵 Passenger → CLASS B13 km away · Stopped NANSEIMARU NO.2 🇯🇵 Cargo → CLASS B17 km away · Stopped

Other vessels named SEIRYUMARU

Ship names are not unique — check the MMSI or IMO to be sure you have the right one.

SEIRYUMARU 🇯🇵 Cargo → JP FKY8.7 kn

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