Tanker 🇯🇵Japan

KOUN MARU

IMO 8967163MMSI 431401871Call sign JK5556

44 km SW of Aioi, Japan

Last seen 28 Oct, 08:37 UTC

Track KOUN MARU live — free

34.5294° N, 134.0878° E

34.5294° N, 134.0878° ELast 24 h track

Speed9.6kn

Course253°

DestinationCLASS B

Voyage

Destination: CLASS B
Speed: 9.6 kn
Course: 253°
Heading: 255°
Position: 34.5294° N, 134.0878° E
Last report: 28 Oct 2026, 08:37 UTC28 Oct, 08:37 UTC
Nearest port: Aioi44 km SW of the port

Particulars

IMO: 8967163
MMSI: 431401871
Call sign: JK5556
Flag: 🇯🇵 Japan
Type: TankerAIS type 80
Length: 40 m
Beam: 8 m

Not broadcast: ETA and draught.

About KOUN MARU

KOUN MARU (IMO 8967163, MMSI 431401871) is a tanker registered in Japan. It is 40 m long and 8 m wide. Its most recent AIS position, received on 28 Oct 2026 at 08:37 UTC, placed it 44 km SW of Aioi, Japan. It was moving at 9.6 knots on a course of 253°. The crew reported CLASS B as the destination.

Frequently asked questions

Where is KOUN MARU now?

KOUN MARU was last reported 44 km SW of Aioi, Japan on 28 Oct 2026 at 08:37 UTC. It was moving at 9.6 knots on a course of 253°.

What type of ship is KOUN MARU?

KOUN MARU is a tanker. It is 40 m long and 8 m wide.

What is the IMO and MMSI number of KOUN MARU?

The MMSI of KOUN MARU is 431401871. Its IMO number is 8967163. Its call sign is JK5556.

What flag does KOUN MARU fly?

KOUN MARU sails under the flag of Japan (JP).

Where is KOUN MARU going?

KOUN MARU reported its destination as CLASS B.

Vessels nearby

Other ships reported close to KOUN MARU in the last 24 hours.

TENJINMARU NO.8 🇯🇵 Cargo → CLASS B2.0 km away · 11.6 kn TENJIN MARU NO.18 🇯🇵 Cargo → JP HIM4.1 km away · 12.8 kn HOSYOMARU 🇯🇵 Tanker → JP OKP NAGAO5.0 km away · Stopped TAIZANMARU 🇯🇵 Cargo → JP OKP OFF5.5 km away · Stopped EBISU MARU 🇯🇵 Cargo → CLASS B5.5 km away · 7.5 kn SHODOSHIMA-MARU 🇯🇵 Passenger → JP.TAP → = → JP.TNO8.9 km away · 2.5 kn

Show 6 more

SHODOSHIMA-MARU-NO.1 🇯🇵 Passenger → TONOSHO → = → TAKAMATU9.0 km away · 0.5 kn SUMIHOUMARU NO.31 🇯🇵 Fishing → CLASS B9.1 km away · 5.1 kn KAEDE 🇯🇵 Cargo → CLASS B9.9 km away · 11.1 kn SOUMEI 🇯🇵 Cargo → JP SBK 210 km away · 10.6 kn SEIUNMARU NO.28 🇯🇵 Cargo → CLASS B10 km away · Stopped SULPHUR FRONTIER 3 🇯🇵 Tanker → JP IHA11 km away · Stopped

Other vessels named KOUN MARU

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

KOUN MARU 🇯🇵 Cargo → JP OSA → JP IHAStopped

Similar tankers

Active tankers of a similar size (28–52 m).

All tankers

SEAGAS 🇸🇪 Tanker → FITKUMoored OLIESERVICE 3 🇳🇱 Tanker → DORDRECHTStopped GLOBAL PROVIDER 🇺🇸 Tanker → ANACORTESAt anchor GOOD MOVE 🇳🇱 Tanker → AMSTERDAMStopped MARTENS 9 🇳🇱 Tanker → VLISSINGENStopped OMEGA 🇳🇱 Tanker → DRACHTENStopped

Get an alert when KOUN MARU reaches CLASS B

Follow KOUN MARU on the live map with a free account. Alerts on port calls, destination changes and AIS silence come with a fleet on any plan from €9.99/month.

Track KOUN MARU live — free