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Louisa Bolten

Bulk carrier · Marshall Islands · built 2009 · AIS Class A

IMO9406049MMSI538008683Call signV7A2655Last AIS position Oct 6, 2026, 12:12 UTC

In short

Louisa Bolten (Bulk carrier, Marshall Islands flag) was last seen on AIS on , under way at 13.1 kn, in the English Channel. Its crew-entered AIS destination is MACAS (Casablanca), with an ETA of Oct 11, 2026, 08:00 UTC; its reported draught is 10.1 m (voyage report via AISstream.io global terrestrial AIS, received Oct 6, 2026, 12:14 UTC). ISM manager: Lydia Mar Shipping Co SA (source: EU MRV (THETIS-MRV) emissions, reporting years 2024–2025).

Current voyage: from Rouen (departed Oct 5, 2026, 23:12 UTC) to MACAS (Casablanca)

Vessel type
Bulk carrier
Year built
2009
Gross tonnage
19,972
Size (length × beam)
179 m × 28 m

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Photo of LOUISA BOLTEN
Photo: Farid mernissi · Licence: CC BY-SA 4.0 · via Wikimedia Commons

Last reported position

received
Position
49.9959° N, 1.6877° W
Area
English Channel
StatusWhat do AIS statuses mean?
Under way using engine
Speed
13.1 kn
Course
297°
Heading
302°
49.9959° N, 1.6877° W
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Last 30 days: 4 port calls (Rouen, Berendrecht, Antwerpen, and Zandvliet).

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
Louisa Bolten
IMO numberWhat is an IMO number?
9406049
MMSIWhat is an MMSI?
538008683
Call signWhat is a call sign?
V7A2655
Vessel type
Bulk carrier
AIS ship type
Cargo
Gross tonnageGross tonnage vs deadweight
19,972
Length overall
178.7 m
Beam
28 m
Year built
2009

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 RouenAIS-detectedVoydar port-call detector (AIS geofence)
Arrived at RouenAIS-detectedVoydar port-call detector (AIS geofence)
Left BerendrechtAIS-detectedVoydar port-call detector (AIS geofence)
Arrived at BerendrechtAIS-detectedVoydar port-call detector (AIS geofence)
Left AntwerpenAIS-detectedVoydar port-call detector (AIS geofence)
Arrived at AntwerpenAIS-detectedVoydar port-call detector (AIS geofence)
Reported departure from PORT OF SOUTH LOUISIANA (LA)Authority-reportedUSACE foreign traffic vessel entrances & clearances
Reported departure from PORT OF SOUTH LOUISIANA (LA)Authority-reportedUSACE foreign traffic vessel entrances & clearances
Reported arrival at PORT OF SOUTH LOUISIANA (LA)Authority-reportedUSACE foreign traffic vessel entrances & clearances

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
20184,444 t1,421 t100 days214 kg
20196,490 t2,077 t162 days388 kg
20205,232 t1,668 t105 days237 kg
20215,325 t1,691 t78 days254 kg
20225,558 t1,768 t80 days259 kg
20239,872 t3,144 t169 days237 kg
20245,502 t1,751 t93 days242 kg
20258,160 t2,573 t150 days215 kg

Technical efficiency: EEXI (5.58 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
Rouen FRUROOct 2, 2026, 03:51 UTCOct 5, 2026, 23:12 UTC3 d 19 h
Berendrecht BEBRTSep 29, 2026, 15:44 UTCSep 29, 2026, 18:19 UTC2 h 35 min
Antwerpen BEANRSep 23, 2026, 20:18 UTCSep 29, 2026, 15:20 UTC5 d 19 h
Zandvliet BEZVTSep 23, 2026, 18:08 UTCSep 23, 2026, 19:49 UTC1 h 41 min
Ekeren BEEKEAug 5, 2026, 09:15 UTCSep 23, 2026, 18:08 UTC49 d 8 h
Mittelsburen DEMSBJun 16, 2026, 01:13 UTCAug 5, 2026, 09:15 UTC50 d 8 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
PORT OF SOUTH LOUISIANA (LA)DepartureDec 28, 2015(date only)—USACE foreign traffic vessel entrances & clearances
PORT OF SOUTH LOUISIANA (LA)DepartureDec 26, 2015(date only)—USACE foreign traffic vessel entrances & clearances
PORT OF SOUTH LOUISIANA (LA)ArrivalDec 16, 2015(date only)—USACE foreign traffic vessel entrances & clearances
PENN MANOR AREA, PADepartureOct 16, 2012(date only)—USACE foreign traffic vessel entrances & clearances
PENN MANOR AREA, PAArrivalOct 16, 2012(date only)—USACE foreign traffic vessel entrances & clearances
San Juan PRSJUDepartureOct 9, 2012(date only)—USACE foreign traffic vessel entrances & clearances
San Juan PRSJUArrivalOct 8, 2012(date only)—USACE foreign traffic vessel entrances & clearances
Mobile USMOBDepartureApr 6, 2012(date only)—USACE foreign traffic vessel entrances & clearances
Mobile USMOBArrivalApr 6, 2012(date only)—USACE foreign traffic vessel entrances & clearances
Port Manatee USPMEDepartureJun 30, 2011(date only)—USACE foreign traffic vessel entrances & clearances
Tampa USTPAArrivalJun 28, 2011(date only)—USACE foreign traffic vessel entrances & clearances
Corpus Christi USCRPDepartureFeb 3, 2011(date only)—USACE foreign traffic vessel entrances & clearances

Records published by the authority named on each row. Earliest record for this ship: December 2, 2009.

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 5, 2026, 21:26 UTC
Draught change

Reported draught went from 6.4 m to 10.1 m while in port at Rouen. 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.

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 Louisa Bolten now?
Louisa Bolten (Bulk carrier, Marshall Islands flag) was last seen on AIS on Oct 6, 2026, 12:12 UTC, under way at 13.1 kn, in the English Channel. The crew-entered destination was MACAS (voyage report via AISstream.io global terrestrial AIS, received Oct 6, 2026, 12:14 UTC). This report does not confirm the ship’s current route.
What kind of ship is Louisa Bolten?
Louisa Bolten is a bulk carrier sailing under the flag of Marshall Islands, built in 2009. The vessel is 178.7 m long with a beam of 28 m and has a gross tonnage of 19,972.
Who is recorded as the owner or manager of Louisa Bolten?
Lydia Mar Shipping Co SA is recorded as ISM manager for Louisa Bolten (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 Louisa Bolten?
Voydar has no matched sanctions record displayed for Louisa Bolten 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 Louisa Bolten. Missing records do not establish whether the ship has been detained.

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