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Thun Eos

Tanker · Netherlands · built 2018 · AIS Class A

IMO9817157MMSI244013009Call signPDLLLast AIS position Oct 3, 2026, 00:32 UTC

In short

Thun Eos (Tanker, Netherlands flag) was last seen on AIS on , under way at 14.3 kn, in the Baltic Sea. Its crew-entered AIS destination is NO SLG (Slagentangen), with an ETA of Oct 3, 2026, 02:00 UTC; its reported draught is 4.9 m (voyage report via BarentsWatch AIS API, received Oct 3, 2026, 00:25 UTC). Its last detected port call was at Slagentangen: arrived Sep 29, 2026, left Sep 30, 2026. Registered owner: Thun Tankers B.V. (source: ILT — Nederlands vlagregister (Netherlands flag register data)).

Vessel type
Tanker
Year built
2018
Gross tonnage
4,936
Size (length × beam)
115 m × 16 m
Registered owner
Thun Tankers B.V.

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Photo of THUN EOS
Photo: Cavernia · Licence: CC BY-SA 4.0 · via Wikimedia Commons

Last reported position

received
Position
59.2562° N, 10.6224° E
Area
Baltic Sea
StatusWhat do AIS statuses mean?
Under way using engine
Speed
14.3 kn
Course
350°
Heading
349°
59.2562° N, 10.6224° E
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Last 30 days: 5 port calls (Slagentangen, Skalevik, and Alesund).

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
Thun Eos
IMO numberWhat is an IMO number?
9817157
MMSIWhat is an MMSI?
244013009
Vessel type
Tanker
Gross tonnageGross tonnage vs deadweight
4,936
Length overall
115 m
Beam
16 m
Year built
2018

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
Thun Tankers B.V.(not linked to a company record)
Source: ILT — Nederlands vlagregister (Netherlands flag register data) · reported · confidence 0.9 · retrieved Oct 1, 2026
Builder
Source: Wikidata · reported · confidence 0.8 · retrieved Sep 22, 2026
FERUS SMIT B.V(not linked to a company record)
Source: ILT — Nederlands vlagregister (Netherlands flag register data) · reported · confidence 0.9 · retrieved Oct 1, 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 SlagentangenAIS-detectedVoydar port-call detector (AIS geofence)
Arrived at SlagentangenAIS-detectedVoydar port-call detector (AIS geofence)
Left SkalevikAIS-detectedVoydar port-call detector (AIS geofence)
Arrived at SkalevikAIS-detectedVoydar port-call detector (AIS geofence)
Left SlagentangenAIS-detectedVoydar port-call detector (AIS geofence)
Arrived at SlagentangenAIS-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
Slagentangen NOSLGSep 29, 2026, 09:31 UTCSep 30, 2026, 01:21 UTC15 h 50 min
Skalevik NOSKVSep 27, 2026, 11:14 UTCSep 28, 2026, 06:11 UTC18 h 56 min
Slagentangen NOSLGSep 24, 2026, 23:45 UTCSep 26, 2026, 08:50 UTC33 h 5 min
Alesund NOAESSep 22, 2026, 20:51 UTCSep 23, 2026, 09:20 UTC12 h 29 min
Slagentangen NOSLGSep 5, 2026, 08:04 UTCSep 7, 2026, 02:39 UTC42 h 35 min
Skalevik NOSKVSep 1, 2026, 19:16 UTCSep 4, 2026, 04:45 UTC2 d 9 h
Alesund NOAESAug 28, 2026, 12:22 UTCAug 29, 2026, 00:39 UTC12 h 17 min
Skalevik NOSKVAug 21, 2026, 21:34 UTCAug 22, 2026, 15:06 UTC17 h 32 min
Skalevik NOSKVJul 31, 2026, 01:59 UTCJul 31, 2026, 20:25 UTC18 h 26 min
Slagentangen NOSLGJul 29, 2026, 06:50 UTCJul 31, 2026, 01:59 UTC43 h 9 min
Slagentangen NOSLGJul 24, 2026, 14:03 UTCJul 25, 2026, 10:23 UTC20 h 20 min
Slagentangen NOSLGJul 17, 2026, 17:42 UTCJul 18, 2026, 10:06 UTC16 h 23 min

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.

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, 21:32 UTC
Draught change

Reported draught went from 7 m to 6.5 m after leaving Esbjerg. Voydar infers the ship probably discharged cargo.

Method seadar.behaviour.draught_change v1

Medium (55%)
Sep 29, 2026, 22:53 UTC
Draught change

Reported draught went from 4.9 m to 7 m while in port at Slagentangen. Voydar infers the ship probably loaded cargo.

Method seadar.behaviour.draught_change v1

High (75%)
Sep 27, 2026, 22:38 UTC
Draught change

Reported draught went from 7 m to 4.9 m while in port at Skalevik. Voydar infers the ship probably discharged cargo.

Method seadar.behaviour.draught_change v1

High (75%)
Sep 25, 2026, 23:53 UTC
Draught change

Reported draught went from 4.9 m to 7 m while in port at Slagentangen. Voydar infers the ship probably loaded cargo.

Method seadar.behaviour.draught_change v1

High (75%)

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

Source: BarentsWatch AIS API. Contains data under NLOD made available by BarentsWatch. Licence: NLOD 2.0 (probable).

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 Thun Eos now?
Thun Eos (Tanker, Netherlands flag) was last seen on AIS on Oct 3, 2026, 00:32 UTC, under way at 14.3 kn, in the Baltic Sea. The crew-entered destination was NO SLG (voyage report via BarentsWatch AIS API, received Oct 3, 2026, 00:25 UTC). This report does not confirm the ship’s current route.
What kind of ship is Thun Eos?
Thun Eos is a tanker sailing under the flag of Netherlands, built in 2018 by Ferus Smit. The vessel is 115 m long with a beam of 16 m and has a gross tonnage of 4,936.
Who is recorded as the owner or manager of Thun Eos?
Thun Tankers B.V. is recorded as Registered owner for Thun Eos (source: ILT — Nederlands vlagregister (Netherlands flag register data)). This source record does not independently confirm today’s ownership or management.
What sanctions and inspection records does Voydar hold for Thun Eos?
Voydar has no matched sanctions record displayed for Thun Eos 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 Thun Eos. Missing records do not establish whether the ship has been detained.

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