Where is Willem-B Sr now?

Willem-B Sr (Tug, Netherlands flag) was last seen on AIS on Oct 5, 2026, 13:54 UTC, not moving, in the North Sea. The crew-entered destination was BRUINISSE (voyage report via AISstream.io global terrestrial AIS, received Oct 5, 2026, 09:19 UTC). This report does not confirm the ship’s current route.

What kind of ship is Willem-B Sr?

Willem-B Sr is a tug sailing under the flag of Netherlands, built in 1978. The vessel is 17.7 m long and has a gross tonnage of 42.

What sanctions and inspection records does Voydar hold for Willem-B Sr?

Voydar has no matched sanctions record displayed for Willem-B Sr 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 Willem-B Sr. Missing records do not establish whether the ship has been detained.

Willem-B Sr

Tug · Netherlands · built 1978 · AIS Class A

IMO8433681MMSI244773000Call signPIPGLast AIS position Oct 5, 2026, 13:54 UTC

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In short

Willem-B Sr (Tug, Netherlands flag) was last seen on AIS on Oct 5, 2026, 13:54 UTC, not moving, in the North Sea. Its crew-entered AIS destination is BRUINISSE, with an ETA of Oct 5, 2026, 14:00 UTC; its reported draught is 2.3 m (voyage report via AISstream.io global terrestrial AIS, received Oct 5, 2026, 09:19 UTC). Its last detected port call was at Zeebrugge: arrived Jun 19, 2026, left Jun 19, 2026. Registered owner: B.M.S. Sea Towage B.V. (source: ILT — Nederlands vlagregister (Netherlands flag register data)).

Vessel type: Tug
Flag: Netherlands
Year built: 1978
Gross tonnage: 42
Size (length × beam): 18 m
Registered owner: B.M.S. Sea Towage B.V.

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Last reported position

received Oct 5, 2026, 13:54 UTC

Position: 51.6628° N, 4.0993° E
Area: North Sea
StatusWhat do AIS statuses mean?: Under way using engine
Speed: 0 kn
Course: 73°
Heading: 138°

51.6628° N, 4.0993° E

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Voydar detected no port call in the last 30 days.

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: Willem-B Sr
IMO numberWhat is an IMO number?: 8433681
MMSIWhat is an MMSI?: 244773000
Call signWhat is a call sign?: PIPG
Flag: Netherlands
Vessel type: Tug
Gross tonnageGross tonnage vs deadweight: 42
Net tonnage: Source: ILT — Nederlands vlagregister (Netherlands flag register data), record 2280. Added to Voydar on September 28, 2026. Licence: CC0 1.0 (ilent.nl site-wide).12
Length overall: 17.7 m
Beam: —
Year built: 1978

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: B.M.S. Sea Towage 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: SCHEEPSWERF SEEPERS(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.

Date	Event	Source
Jun 19, 2026, 03:32 UTC	Left ZeebruggeAIS-detected	Voydar port-call detector (AIS geofence)
Jun 19, 2026, 02:49 UTC	Arrived at ZeebruggeAIS-detected	Voydar 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

Port	Arrived	Departed	Time in port
Zeebrugge BEZEE	Jun 19, 2026, 02:49 UTC	Jun 19, 2026, 03:32 UTC	43 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 Willem-B Sr now?: Willem-B Sr (Tug, Netherlands flag) was last seen on AIS on Oct 5, 2026, 13:54 UTC, not moving, in the North Sea. The crew-entered destination was BRUINISSE (voyage report via AISstream.io global terrestrial AIS, received Oct 5, 2026, 09:19 UTC). This report does not confirm the ship’s current route.
What kind of ship is Willem-B Sr?: Willem-B Sr is a tug sailing under the flag of Netherlands, built in 1978. The vessel is 17.7 m long and has a gross tonnage of 42.
Who is recorded as the owner or manager of Willem-B Sr?: B.M.S. Sea Towage B.V. is recorded as Registered owner for Willem-B Sr (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 Willem-B Sr?: Voydar has no matched sanctions record displayed for Willem-B Sr 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 Willem-B Sr. Missing records do not establish whether the ship has been detained.

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