What kind of ship is TWIN CASTOR?

TWIN CASTOR is an oil tanker sailing under the flag of Liberia, built in 2013. The vessel is 332 m long with a beam of 60 m and has a gross tonnage of 167,578.

Who is recorded as the owner or manager of TWIN CASTOR?

CASTOR MARINE LIMITED is recorded as ISM manager for TWIN CASTOR (source: EU MRV (THETIS-MRV) emissions; reporting year 2024). This source record does not independently confirm today’s ownership or management.

What sanctions and inspection records does Seadar hold for TWIN CASTOR?

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

TWIN CASTOR

Oil tanker · Liberia · built 2013 · AIS Class A

IMO9625956MMSI636016137Call signD5EQ7Last AIS position Sep 19, 2026, 19:18 UTC

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In short

TWIN CASTOR (Oil tanker, Liberia flag) was last seen on AIS on Sep 19, 2026, 19:18 UTC, under way at 12.2 kn, in the Indian Ocean. Seadar has no more recent AIS position for this ship. Its current location cannot be established from this report. ISM manager: CASTOR MARINE LIMITED (source: EU MRV (THETIS-MRV) emissions, reporting year 2024).

Vessel type: Oil tanker
Flag: Liberia
Year built: 2013
Gross tonnage: 167,578
Size (length × beam): 332 m × 60 m
ISM manager: CASTOR MARINE LIMITED

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Last reported position

received Sep 19, 2026, 19:18 UTC

Position: 29.9001° S, 31.3499° E
Area: Indian Ocean
StatusWhat do AIS statuses mean?: Under way using engine
Speed: 12.2 kn
Course: 102°
Heading: 96°

29.9001° S, 31.3499° 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: TWIN CASTOR
IMO numberWhat is an IMO number?: 9625956
MMSIWhat is an MMSI?: 636016137
Call signWhat is a call sign?: D5EQ7
Flag: Liberia
Vessel type: Detailed type from EU MRV (THETIS-MRV) emissionsOil tanker
AIS ship type: Tanker
Gross tonnageGross tonnage vs deadweight: 167,578
Deadweight (DWT): Source: Wikidata, record Q84252393. Added to Seadar on September 23, 2026. Licence: CC0 1.0.321,038 t
Length overall: 332 m
Beam: 60 m
Year built: 2013

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.

ISM manager: CASTOR MARINE LIMITED
Source: EU MRV (THETIS-MRV) emissions · reporting year 2024 · reported · confidence 0.9 · retrieved Sep 28, 2026

Emissions & fuel consumption

Independently verified annual figures reported under the EU MRV regulation — public environmental data the incumbents don't surface.

Year	CO₂ emitted	Fuel burned	Time at sea	CO₂ / n mile
2024	3,147 t	1,007 t	29 days	595 kg

Technical efficiency: EEXI (2.49 gCO₂/t·nm). Source: European Commission / EMSA THETIS-MRV (EU Regulation 2015/757). Covers voyages to, from and within the EU/EEA.

Frequently asked questions

Where is TWIN CASTOR now?: TWIN CASTOR (Oil tanker, Liberia flag) was last seen on AIS on Sep 19, 2026, 19:18 UTC, under way at 12.2 kn, in the Indian 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 TWIN CASTOR?: TWIN CASTOR is an oil tanker sailing under the flag of Liberia, built in 2013. The vessel is 332 m long with a beam of 60 m and has a gross tonnage of 167,578.
Who is recorded as the owner or manager of TWIN CASTOR?: CASTOR MARINE LIMITED is recorded as ISM manager for TWIN CASTOR (source: EU MRV (THETIS-MRV) emissions; reporting year 2024). This source record does not independently confirm today’s ownership or management.
What sanctions and inspection records does Seadar hold for TWIN CASTOR?: Seadar has no matched sanctions record displayed for TWIN CASTOR 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 TWIN CASTOR. Missing records do not establish whether the ship has been detained.

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