Where is Seiun-maru now?

Seiun-maru (Other, Japan flag) was last seen on AIS on Oct 1, 2026, 21:32 UTC, moored, near Tokyo (North Pacific Ocean). The crew-entered destination was >JP TYO H (voyage report via AISstream.io global terrestrial AIS, received Oct 1, 2026, 21:29 UTC). This report does not confirm the ship’s current route.

What kind of ship is Seiun-maru?

Seiun-maru is a other sailing under the flag of Japan, built in 1997 by Uraga Dock Company. The vessel is 116 m long and has a gross tonnage of 5,890.

What sanctions and inspection records does Voydar hold for Seiun-maru?

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

Seiun-maru

Other · Japan · built 1997 · AIS Class A

IMO9177600MMSI431103000Call signJLLYLast AIS position Oct 1, 2026, 21:32 UTC

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In short

Seiun-maru (Other, Japan flag) was last seen on AIS on Oct 1, 2026, 21:32 UTC, moored, near Tokyo (North Pacific Ocean). Its crew-entered AIS destination is >JP TYO H; its reported draught is 6.3 m (voyage report via AISstream.io global terrestrial AIS, received Oct 1, 2026, 21:29 UTC).

Vessel type: Other
Flag: Japan
Year built: 1997
Gross tonnage: 5,890
Size (length × beam): 116 m
Registered owner: —

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Last reported position

received Oct 1, 2026, 21:32 UTC

Position: 35.6482° N, 139.7699° E
Area: North Pacific Ocean
StatusWhat do AIS statuses mean?: Moored
Speed: 0 kn
Course: 174°
Heading: 140°

35.6482° N, 139.7699° E

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Voydar detected no port call in the last 30 days.

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

A year of history in the Terminal (Plus) · the full archive since June 1, 2026 (Pro)

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Identity & particulars

Name: Seiun-maru
IMO numberWhat is an IMO number?: 9177600
MMSIWhat is an MMSI?: 431103000
Call signWhat is a call sign?: JLLY
Flag: Japan
Vessel type: Other
Gross tonnageGross tonnage vs deadweight: 5,890
Length overall: 116 m
Beam: —
Year built: 1997

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.

Builder: Uraga Dock Company
Source: Wikidata · reported · confidence 0.8 · retrieved Sep 22, 2026

Frequently asked questions

Where is Seiun-maru now?: Seiun-maru (Other, Japan flag) was last seen on AIS on Oct 1, 2026, 21:32 UTC, moored, near Tokyo (North Pacific Ocean). The crew-entered destination was >JP TYO H (voyage report via AISstream.io global terrestrial AIS, received Oct 1, 2026, 21:29 UTC). This report does not confirm the ship’s current route.
What kind of ship is Seiun-maru?: Seiun-maru is a other sailing under the flag of Japan, built in 1997 by Uraga Dock Company. The vessel is 116 m long and has a gross tonnage of 5,890.
What sanctions and inspection records does Voydar hold for Seiun-maru?: Voydar has no matched sanctions record displayed for Seiun-maru from the OFAC SDN list, the UK Sanctions List, the Canadian autonomous sanctions list, the EU list of designated vessels and the New Zealand Russia Sanctions Register. Coverage may be incomplete; this is not sanctions clearance. No matched inspection records are displayed for Seiun-maru. Missing records do not establish whether the ship has been detained.

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