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UMEOH MARU

Tanker · Japan · AIS Class A

IMO9711597MMSI431005826Call signJD3736Last AIS position Oct 2, 2026, 07:06 UTC
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In short

UMEOH MARU (Tanker, Japan flag) was last seen on AIS on , under way at 12.6 kn, near Uraga (North Pacific Ocean). Voydar has no more recent AIS position for this ship. Its current location cannot be established from this report. Its crew-entered AIS destination is JP KWS OFF; its reported draught is 5.2 m (voyage report via AISstream.io global terrestrial AIS, received Oct 2, 2026, 04:43 UTC). Its last detected port call was at Kawasaki: arrived Oct 2, 2026, left Oct 2, 2026.

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

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Last reported position

received
Position
35.273° N, 139.755° E
Area
North Pacific Ocean
StatusWhat do AIS statuses mean?
Under way using engine
Speed
12.6 kn
Course
144°
Heading
146°
35.273° N, 139.755° E
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Last 30 days: 6 port calls (Kawasaki and Chiba).

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
UMEOH MARU
IMO numberWhat is an IMO number?
9711597
MMSIWhat is an MMSI?
431005826
Call signWhat is a call sign?
JD3736
Flag
Japan
Vessel type
Tanker
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.

DateEventSource
Left KawasakiAIS-detectedVoydar port-call detector (AIS geofence)
Arrived at KawasakiAIS-detectedVoydar port-call detector (AIS geofence)
Left ChibaAIS-detectedVoydar port-call detector (AIS geofence)
Arrived at ChibaAIS-detectedVoydar port-call detector (AIS geofence)
Left ChibaAIS-detectedVoydar port-call detector (AIS geofence)
Arrived at ChibaAIS-detectedVoydar 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

PortArrivedDepartedTime in port
Kawasaki JPKWSOct 2, 2026, 04:24 UTCOct 2, 2026, 06:24 UTC2 h 0 min
Chiba JPCHBOct 1, 2026, 19:23 UTCOct 2, 2026, 03:35 UTC8 h 12 min
Chiba JPCHBSep 29, 2026, 23:16 UTCSep 30, 2026, 03:44 UTC4 h 28 min
Chiba JPCHBSep 27, 2026, 19:26 UTCSep 28, 2026, 03:54 UTC8 h 28 min
Chiba JPCHBSep 25, 2026, 18:43 UTCSep 26, 2026, 03:41 UTC8 h 58 min
Chiba JPCHBSep 22, 2026, 16:12 UTCSep 24, 2026, 03:52 UTC35 h 39 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 UMEOH MARU now?
UMEOH MARU (Tanker, Japan flag) was last seen on AIS on Oct 2, 2026, 07:06 UTC, under way at 12.6 kn, near Uraga (North Pacific Ocean). Voydar has no more recent AIS position for this ship. Its current location cannot be established from this report. The crew-entered destination was JP KWS OFF (voyage report via AISstream.io global terrestrial AIS, received Oct 2, 2026, 04:43 UTC). This report does not confirm the ship’s current route.
What kind of ship is UMEOH MARU?
UMEOH MARU is a tanker sailing under the flag of Japan.
What sanctions and inspection records does Voydar hold for UMEOH MARU?
Voydar has no matched sanctions record displayed for UMEOH MARU 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 UMEOH MARU. Missing records do not establish whether the ship has been detained.

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