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Chem Cobalt

Chemical tanker · Liberia · built 2016 · AIS Class A

IMO9740770MMSI636019199Call signD5TK3Last AIS position Oct 5, 2026, 08:58 UTC

In short

Chem Cobalt (Chemical tanker, Liberia flag) was last seen on AIS on , under way at 4.2 kn, in the North Sea. Its crew-entered AIS destination is NLMOE (Moerdijk); its reported draught is 7.2 m (voyage report via AISstream.io global terrestrial AIS, received Oct 5, 2026, 06:39 UTC). ISM manager: ASM Maritime BV (source: EU MRV (THETIS-MRV) emissions, reporting years 2024–2025).

Current voyage: from Terneuzen (departed Oct 4, 2026, 19:52 UTC) to NLMOE (Moerdijk)

Vessel type
Chemical tanker
Year built
2016
Gross tonnage
11,918
Size (length × beam)
147 m × 24 m
ISM manager
ASM Maritime BV

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Photo of CHEM COBALT
Photo: Alfvanbeem · Licence: CC0 · via Wikimedia Commons

Last reported position

received
Position
51.9479° N, 3.5124° E
Area
North Sea
StatusWhat do AIS statuses mean?
Under way using engine
Speed
4.2 kn
Course
61°
Heading
68°
51.9479° N, 3.5124° E
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Last 30 days: 4 port calls (Terneuzen, Rieme, and Lillo).

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
Chem Cobalt
IMO numberWhat is an IMO number?
9740770
MMSIWhat is an MMSI?
636019199
Call signWhat is a call sign?
D5TK3
AIS ship type
Tanker
Gross tonnageGross tonnage vs deadweight
11,918
Length overall
147 m
Beam
24 m
Year built
2016

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
Source: EU MRV (THETIS-MRV) emissions · reporting years 2024–2025 · reported · confidence 0.9 · retrieved Oct 5, 2026

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 TerneuzenAIS-detectedVoydar port-call detector (AIS geofence)
Arrived at TerneuzenAIS-detectedVoydar port-call detector (AIS geofence)
Left RiemeAIS-detectedVoydar port-call detector (AIS geofence)
Arrived at RiemeAIS-detectedVoydar port-call detector (AIS geofence)
Left TerneuzenAIS-detectedVoydar port-call detector (AIS geofence)
Arrived at TerneuzenAIS-detectedVoydar port-call detector (AIS geofence)
Reported departure from Hong KongAuthority-reportedHong Kong vessel arrivals & departures (incl. VTMS daily reports)
Reported arrival at Hong KongAuthority-reportedHong Kong vessel arrivals & departures (incl. VTMS daily reports)
Reported departure from Hong KongAuthority-reportedHong Kong vessel arrivals & departures (incl. VTMS daily reports)
Reported arrival at Hong KongAuthority-reportedHong Kong vessel arrivals & departures (incl. VTMS daily reports)

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.

Emissions & fuel consumption

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

YearCO₂ emittedFuel burnedTime at seaCO₂ / n mile
20183,468 t1,111 t95 days196 kg
20193,364 t1,070 t69 days185 kg
20206,037 t1,899 t141 days249 kg
20214,641 t1,467 t79 days209 kg
20225,782 t1,838 t111 days196 kg
20238,105 t2,567 t160 days185 kg
20247,578 t2,405 t144 days198 kg
202510,246 t3,269 t167 days217 kg

Technical efficiency: EEDI (7.03 gCO₂/t·nm). Source: European Commission / EMSA THETIS-MRV (EU Regulation 2015/757). Covers voyages to, from and within the EU/EEA.

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
Terneuzen NLTNZOct 4, 2026, 18:44 UTCOct 4, 2026, 19:52 UTC1 h 8 min
Rieme BERIEOct 3, 2026, 04:27 UTCOct 4, 2026, 17:49 UTC37 h 22 min
Terneuzen NLTNZOct 3, 2026, 01:53 UTCOct 3, 2026, 03:08 UTC1 h 15 min
Lillo BELILSep 30, 2026, 01:42 UTCOct 2, 2026, 13:38 UTC2 d 11 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.

Reported by authorities Authority-reported

PortRecordDate (UTC)BerthSource
Hong Kong HKHKGArrivalJul 10, 2020, 15:36 UTCSLAHong Kong vessel arrivals & departures (incl. VTMS daily reports)
Hong Kong HKHKGArrival(matched by call sign)Jan 16, 2020, 06:23 UTCPTHong Kong vessel arrivals & departures (incl. VTMS daily reports)

Records published by the authority named on each row. Earliest record for this ship: January 16, 2020.

Source: Marine Department, HKSAR Government — DATA.GOV.HK. Licence: DATA.GOV.HK Terms and Conditions.

Behaviour at sea Voydar-derived

Patterns Voydar derived from this ship's AIS broadcasts. They are inferences, not reports: each one shows how it was computed and how confident we are, and none of them says why a ship behaved this way.

WhenWhat we observedConfidence
Oct 1, 2026, 10:59 UTC
Draught change

Reported draught went from 9.2 m to 8.6 m while in port at Lillo. Voydar infers the ship probably discharged cargo.

Method seadar.behaviour.draught_change v1

Medium (65%)

Source: AISstream.io global terrestrial AIS. AIS data: AISstream.io. Licence: none published.

Derived from AIS positions of feeds whose terms allow display on Voydar. Coverage is terrestrial: gaps are reported only where our receivers kept hearing other ships. Detections below medium confidence are not shown.

How these are computed →

Frequently asked questions

Where is Chem Cobalt now?
Chem Cobalt (Chemical tanker, Liberia flag) was last seen on AIS on Oct 5, 2026, 08:58 UTC, under way at 4.2 kn, in the North Sea. The crew-entered destination was NLMOE (voyage report via AISstream.io global terrestrial AIS, received Oct 5, 2026, 06:39 UTC). This report does not confirm the ship’s current route.
What kind of ship is Chem Cobalt?
Chem Cobalt is a chemical tanker sailing under the flag of Liberia, built in 2016. The vessel is 147 m long with a beam of 24 m and has a gross tonnage of 11,918.
Who is recorded as the owner or manager of Chem Cobalt?
ASM Maritime BV is recorded as ISM manager for Chem Cobalt (source: EU MRV (THETIS-MRV) emissions; reporting years 2024–2025). This source record does not independently confirm today’s ownership or management.
What sanctions and inspection records does Voydar hold for Chem Cobalt?
Voydar has no matched sanctions record displayed for Chem Cobalt 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 Chem Cobalt. Missing records do not establish whether the ship has been detained.

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