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DAIAN

Tug · Japan · AIS Class A

IMONo IMOMMSI431010253Call signJD4196Last AIS position Oct 5, 2026, 02:41 UTC

In short

DAIAN (Tug, Japan flag) was last seen on AIS on , under way at 5.2 kn, near Yokohama (North Pacific Ocean). Its crew-entered AIS destination is >JP YOK (Yokohama); its reported draught is 3.8 m (voyage report via AISstream.io global terrestrial AIS, received Oct 4, 2026, 23:27 UTC). Its last detected port call was at Yokohama: arrived Sep 21, 2026, left Sep 22, 2026.

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

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Last reported position

received
Position
35.387° N, 139.6779° E
Area
North Pacific Ocean
StatusWhat do AIS statuses mean?
Under way using engine
Speed
5.2 kn
Course
315°
Heading
298°
35.387° N, 139.6779° E
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Last 30 days: 4 port calls (Yokohama).

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
DAIAN
MMSIWhat is an MMSI?
431010253
Call signWhat is a call sign?
JD4196
Flag
Japan
Vessel type
Tug
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 YokohamaAIS-detectedVoydar port-call detector (AIS geofence)
Arrived at YokohamaAIS-detectedVoydar port-call detector (AIS geofence)
Left YokohamaAIS-detectedVoydar port-call detector (AIS geofence)
Arrived at YokohamaAIS-detectedVoydar port-call detector (AIS geofence)
Left YokohamaAIS-detectedVoydar port-call detector (AIS geofence)
Arrived at YokohamaAIS-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
Yokohama JPYOKSep 21, 2026, 23:55 UTCSep 22, 2026, 21:12 UTC21 h 17 min
Yokohama JPYOKSep 13, 2026, 21:56 UTCSep 13, 2026, 22:33 UTC37 min
Yokohama JPYOKSep 5, 2026, 07:30 UTCSep 8, 2026, 22:52 UTC3 d 15 h
Yokohama JPYOKSep 5, 2026, 05:17 UTCSep 5, 2026, 07:24 UTC2 h 7 min
Yokohama JPYOKAug 30, 2026, 07:18 UTCSep 3, 2026, 22:24 UTC4 d 15 h
Yokohama JPYOKAug 3, 2026, 16:20 UTCAug 3, 2026, 19:23 UTC3 h 3 min
Yokohama JPYOKJun 19, 2026, 16:33 UTCJul 12, 2026, 08:13 UTC22 d 15 h

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 DAIAN now?
DAIAN (Tug, Japan flag) was last seen on AIS on Oct 5, 2026, 02:41 UTC, under way at 5.2 kn, near Yokohama (North Pacific Ocean). The crew-entered destination was >JP YOK (voyage report via AISstream.io global terrestrial AIS, received Oct 4, 2026, 23:27 UTC). This report does not confirm the ship’s current route.
What kind of ship is DAIAN?
DAIAN is a tug sailing under the flag of Japan.
What sanctions and inspection records does Voydar hold for DAIAN?
Voydar has no matched sanctions record displayed for DAIAN 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 DAIAN. Missing records do not establish whether the ship has been detained.

Use this data

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