What kind of ship is KAIMEI?

KAIMEI is a research vessel sailing under the flag of Japan, built in 2015 by Mitsubishi Heavy Industries. The vessel is 100.5 m long and has a gross tonnage of 5,747.

Who is recorded as the owner or manager of KAIMEI?

Japan Agency for Marine-Earth Science and Technology is recorded as Registered owner for KAIMEI (source: Wikidata). This source record does not independently confirm today’s ownership or management.

What sanctions and inspection records does Seadar hold for KAIMEI?

Seadar has no matched sanctions record displayed for KAIMEI 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 KAIMEI. Missing records do not establish whether the ship has been detained.

KAIMEI

Research vessel · Japan · built 2015 · AIS Class A

IMO9712448MMSI431273000Call sign7JVBLast AIS position Oct 1, 2026, 06:07 UTC

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In short

KAIMEI (Research vessel, Japan flag) was last seen on AIS on Oct 1, 2026, 06:07 UTC, moored, near Yokosuka (North Pacific Ocean). Seadar has no more recent AIS position for this ship. Its current location cannot be established from this report. Registered owner: Japan Agency for Marine-Earth Science and Technology (source: Wikidata).

Vessel type: Research vessel
Flag: Japan
Year built: 2015
Gross tonnage: 5,747
Size (length × beam): 101 m
Registered owner: Japan Agency for Marine-Earth Science and Technology

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Photo of RV Kaimei — Photo: nachtjagd · Licence: CC BY-SA 4.0 · via Wikimedia Commons

Last reported position

received Oct 1, 2026, 06:07 UTC

Position: 35.3187° N, 139.65° E
Area: North Pacific Ocean
StatusWhat do AIS statuses mean?: Moored
Speed: 0 kn
Course: 221°
Heading: 56°

35.3187° N, 139.65° E

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Seadar detected no port call in the last 30 days.

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

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Identity & particulars

Name: KAIMEI
IMO numberWhat is an IMO number?: 9712448
MMSIWhat is an MMSI?: 431273000
Call signWhat is a call sign?: 7JVB
Flag: Japan
Vessel type: Research vessel
AIS ship type: Other
Gross tonnageGross tonnage vs deadweight: 5,747
Length overall: 100.5 m
Beam: —
Year built: 2015

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.

Registered owner: Japan Agency for Marine-Earth Science and Technology
Source: Wikidata · reported · confidence 0.8 · retrieved Sep 22, 2026
Builder: Mitsubishi Heavy Industries
Source: Wikidata · reported · confidence 0.8 · retrieved Sep 22, 2026

Frequently asked questions

Where is KAIMEI now?: KAIMEI (Research vessel, Japan flag) was last seen on AIS on Oct 1, 2026, 06:07 UTC, moored, near Yokosuka (North Pacific Ocean). Seadar has no more recent AIS position for this ship. Its current location cannot be established from this report.
What kind of ship is KAIMEI?: KAIMEI is a research vessel sailing under the flag of Japan, built in 2015 by Mitsubishi Heavy Industries. The vessel is 100.5 m long and has a gross tonnage of 5,747.
Who is recorded as the owner or manager of KAIMEI?: Japan Agency for Marine-Earth Science and Technology is recorded as Registered owner for KAIMEI (source: Wikidata). This source record does not independently confirm today’s ownership or management.
What sanctions and inspection records does Seadar hold for KAIMEI?: Seadar has no matched sanctions record displayed for KAIMEI 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 KAIMEI. Missing records do not establish whether the ship has been detained.

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