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Sverdrupson

Other · Norway · built 1960 · AIS Class B

IMO5139234MMSI257273000Call signLAOH3Last AIS position Oct 1, 2026, 18:01 UTC

In short

Sverdrupson (Other, Norway flag) was last seen on AIS on , under way at 11.2 kn, near Esbjerg (North Sea). Voydar has no more recent AIS position for this ship. Its current location cannot be established from this report. Its crew-entered AIS destination is BSH N 12.6; its reported draught is 3.5 m (voyage report via AISstream.io global terrestrial AIS, received Oct 1, 2026, 17:31 UTC). Its last detected port call was at Esbjerg: arrived Sep 30, 2026, left Oct 1, 2026.

Vessel type
Other
Flag
Norway
Year built
1960
Gross tonnage
272
Size (length × beam)
39 m
Registered owner
—

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Photo of Sverdrupson
Photo: Municipal Archives of Trondheim from Trondheim, Norway · Licence: CC BY 2.0 · via Wikimedia Commons

Last reported position

received
Position
55.4606° N, 8.3175° E
Area
North Sea
StatusWhat do AIS statuses mean?
Under way using engine
Speed
11.2 kn
Course
229°
Heading
227°
55.4606° N, 8.3175° E
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Last 30 days: 1 port call (Esbjerg).

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
Sverdrupson
IMO numberWhat is an IMO number?
5139234
MMSIWhat is an MMSI?
257273000
Call signWhat is a call sign?
LAOH3
Flag
Norway
Vessel type
Other
Length overall
39 m
Beam
—
Year built
1960

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
Source: Wikidata · reported · confidence 0.8 · retrieved Sep 22, 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 EsbjergAIS-detectedVoydar port-call detector (AIS geofence)
Arrived at EsbjergAIS-detectedVoydar port-call detector (AIS geofence)
Former name: ThorsteinsonWikidata
Former name: H.U.SverdrupWikidata

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.

Former and other names

Names attested for this ship other than its current name.

NameEvidenceDateSource
ThorsteinsonFormer nameJan 1, 1988Wikidata
H.U.SverdrupFormer nameJan 1, 1960Wikidata

A sanctions list's date is the earliest date the list shows the name, not when the ship took it. A name on a list is shown as a former name only where AIS shows the ship using another name after that date; otherwise it is listed as a name the list uses. AIS name changes are dated when Voydar saw them.

Source: Wikidata. Licence: CC0 1.0.

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
Esbjerg DKEBJSep 30, 2026, 13:50 UTCOct 1, 2026, 17:48 UTC27 h 57 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.

Frequently asked questions

Where is Sverdrupson now?
Sverdrupson (Other, Norway flag) was last seen on AIS on Oct 1, 2026, 18:01 UTC, under way at 11.2 kn, near Esbjerg (North Sea). Voydar has no more recent AIS position for this ship. Its current location cannot be established from this report. The crew-entered destination was BSH N 12.6 (voyage report via AISstream.io global terrestrial AIS, received Oct 1, 2026, 17:31 UTC). This report does not confirm the ship’s current route.
What kind of ship is Sverdrupson?
Sverdrupson is a other sailing under the flag of Norway, built in 1960 by Ørens Mekaniske Værksted. The vessel is 39 m long and has a gross tonnage of 272.
What sanctions and inspection records does Voydar hold for Sverdrupson?
Voydar has no matched sanctions record displayed for Sverdrupson 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 Sverdrupson. Missing records do not establish whether the ship has been detained.

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