Where is SIRAUMEMARU now?

SIRAUMEMARU (Cargo ship, Japan flag) was last seen on AIS on Oct 6, 2026, 08:53 UTC, moored, in the port of Narashino. The crew-entered destination was >JP FNB N (voyage report via AISstream.io global terrestrial AIS, received Oct 6, 2026, 07:06 UTC). This report does not confirm the ship’s current route.

What kind of ship is SIRAUMEMARU?

SIRAUMEMARU is a cargo ship sailing under the flag of Japan.

What sanctions and inspection records does Voydar hold for SIRAUMEMARU?

Voydar has no matched sanctions record displayed for SIRAUMEMARU from the OFAC SDN list, the UK Sanctions List, the Canadian autonomous sanctions list, the EU list of designated vessels, the New Zealand Russia Sanctions Register and the French national asset-freeze register. Coverage may be incomplete; this is not sanctions clearance. No matched inspection records are displayed for SIRAUMEMARU. Missing records do not establish whether the ship has been detained.

SIRAUMEMARU

Cargo ship · Japan · AIS Class A

IMO9805001MMSI431009593Call signJD4181Last AIS position Oct 6, 2026, 08:53 UTC

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In short

SIRAUMEMARU (Cargo ship, Japan flag) was last seen on AIS on Oct 6, 2026, 08:53 UTC, moored, in the port of Narashino. Its crew-entered AIS destination is >JP FNB N, with an ETA of Oct 6, 2026, 15:00 UTC; its reported draught is 4 m (voyage report via AISstream.io global terrestrial AIS, received Oct 6, 2026, 07:06 UTC). It arrived there on Oct 6, 2026, 05:57 UTC.

Vessel type: Cargo ship
Flag: Japan
Year built: —
Gross tonnage: —
Size (length × beam): —
Registered owner: —

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Last reported position

received Oct 6, 2026, 08:53 UTC

Position: 35.6806° N, 139.9714° E
Area: North Pacific Ocean
StatusWhat do AIS statuses mean?: Moored
Speed: 0 kn
Course: 150°
Heading: 102°

35.6806° N, 139.9714° E

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Last 30 days: 3 port calls (Narashino).

Port calls are detected by Voydar from AIS (at least 30 minutes slow inside a harbour area); see Port calls below.

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Identity & particulars

Name: SIRAUMEMARU
IMO numberWhat is an IMO number?: 9805001
MMSIWhat is an MMSI?: 431009593
Call signWhat is a call sign?: JD4181
Flag: Japan
Vessel type: Cargo ship
AIS ship type: Cargo
Gross tonnageGross tonnage vs deadweight: —
Length overall: —
Beam: —
Year built: —

A tag next to a value names the register that supplied it (hover or tap it for the record and date). Values without a tag come from the ship's own AIS broadcasts or from Wikidata. Position and identity are derived live from AIS.

Ownership & management

Each line shows where the fact comes from. Links backed by an identifier point to the company page.

No owner, operator or manager is recorded for this vessel yet.

Timeline

Dated events for this ship from every source Voydar holds, newest first. Each line names its source; derived items say how they were derived.

Date	Event	Source
Oct 6, 2026, 05:57 UTC	Arrived at NarashinoAIS-detected	Voydar port-call detector (AIS geofence)
Oct 5, 2026, 21:55 UTC	Left NarashinoAIS-detected	Voydar port-call detector (AIS geofence)
Oct 3, 2026, 01:31 UTC	Arrived at NarashinoAIS-detected	Voydar port-call detector (AIS geofence)
Sep 25, 2026, 06:57 UTC	Left NarashinoAIS-detected	Voydar port-call detector (AIS geofence)
Sep 23, 2026, 21:51 UTC	Arrived at NarashinoAIS-detected	Voydar port-call detector (AIS geofence)

Owner, operator and manager changes found by comparing yearly EU MRV reports are dated to the reporting year ("during 2025"), not to a day. Port calls here are the most recent only; the full lists are further down.

Port calls

Two kinds of evidence, kept apart: calls Voydar detected from the ship's AIS positions, and arrivals and departures published by port authorities and customs records.

Detected from AIS AIS-detected

Port	Arrived	Departed	Time in port
Narashino JPNAI	Oct 6, 2026, 05:57 UTC	in port	—
Narashino JPNAI	Oct 3, 2026, 01:31 UTC	Oct 5, 2026, 21:55 UTC	2 d 20 h
Narashino JPNAI	Sep 23, 2026, 21:51 UTC	Sep 25, 2026, 06:57 UTC	33 h 6 min

Detected by Voydar when the ship's AIS positions stayed slow inside a harbour area. Calls shorter than 30 minutes are not shown. Depends on AIS reception; detection started on June 8, 2026.

Frequently asked questions

Where is SIRAUMEMARU now?: SIRAUMEMARU (Cargo ship, Japan flag) was last seen on AIS on Oct 6, 2026, 08:53 UTC, moored, in the port of Narashino. The crew-entered destination was >JP FNB N (voyage report via AISstream.io global terrestrial AIS, received Oct 6, 2026, 07:06 UTC). This report does not confirm the ship’s current route.
What kind of ship is SIRAUMEMARU?: SIRAUMEMARU is a cargo ship sailing under the flag of Japan.
What sanctions and inspection records does Voydar hold for SIRAUMEMARU?: Voydar has no matched sanctions record displayed for SIRAUMEMARU from the OFAC SDN list, the UK Sanctions List, the Canadian autonomous sanctions list, the EU list of designated vessels, the New Zealand Russia Sanctions Register and the French national asset-freeze register. Coverage may be incomplete; this is not sanctions clearance. No matched inspection records are displayed for SIRAUMEMARU. Missing records do not establish whether the ship has been detained.

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