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C.S. Sovereign

Cable and pipe layer · United Kingdom · built 1991 · AIS Class A

IMO8918629MMSI232892000Call signMNNU8Last AIS position Oct 4, 2026, 05:43 UTC

In short

C.S. Sovereign (Cable and pipe layer, United Kingdom flag) was last seen on AIS on , moored, near Weymouth (English Channel). Its crew-entered AIS destination is PORTLAND; its reported draught is 5.9 m (voyage report via AISstream.io global terrestrial AIS, received Oct 4, 2026, 05:37 UTC). Registered owner: Global Marine Systems (source: Wikidata).

Year built
1991
Gross tonnage
11,242
Size (length × beam)
131 m
Registered owner
Global Marine Systems

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Photo of C.S. Sovereign
Photo: Ein Dahmer · Licence: CC BY-SA 4.0 · via Wikimedia Commons

Last reported position

received
Position
50.57° N, 2.4347° W
Area
English Channel
Speed
0 kn
Course
257°
Heading
267°
50.57° N, 2.4347° W
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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
C.S. Sovereign
IMO numberWhat is an IMO number?
8918629
MMSIWhat is an MMSI?
232892000
Call signWhat is a call sign?
MNNU8
AIS ship type
Other
Gross tonnageGross tonnage vs deadweight
11,242
Length overall
130.7 m
Beam
—
Year built
1991

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
Source: Wikidata · reported · confidence 0.8 · retrieved Sep 22, 2026
Operator
Source: Wikidata · reported · confidence 0.8 · retrieved Sep 22, 2026
ISM manager
Source: EU MRV (THETIS-MRV) emissions · reporting years 2024–2025 · reported · confidence 0.9 · retrieved Sep 28, 2026
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
Reported departure from PISCATAQUA RIVER, ME AND NEW HAMPSHIREAuthority-reportedUSACE foreign traffic vessel entrances & clearances
Reported arrival at PISCATAQUA RIVER, ME AND NEW HAMPSHIREAuthority-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
2024189 t59 t2 days474 kg
20250 t0 t0 days—

Technical efficiency: Not Applicable (0 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.

Reported by authorities Authority-reported

PortRecordDate (UTC)BerthSource
PISCATAQUA RIVER, ME AND NEW HAMPSHIREDepartureJun 1, 2004(date only)—USACE foreign traffic vessel entrances & clearances
PISCATAQUA RIVER, ME AND NEW HAMPSHIREArrivalMay 27, 2004(date only)—USACE foreign traffic vessel entrances & clearances

Records published by the authority named on each row. Earliest record for this ship: May 27, 2004.

About C.S. Sovereign

C.S. Sovereign is a class DP2 type cable ship used for subsea cable installation and repair works. The ship was designed by BT Marine with Hart Fenton & Company as Naval Architects (now Houlder Ltd) and built by Van der Giessen de Noord in 1991. C.S. Sovereign has four cable tanks. Two main tanks each have a capacity of 1,327 cubic metres (46,900 cu ft) or 2,668 tonnes. Two wing tanks have a capacity of 199 cubic metres (7,000 cu ft) or 432 tonnes each. The vessel is equipped with two hydraulic powered drums 3.5 metres (11 ft) in diameter and four wheel pair haul-off gears.

Summary from Wikipedia, licensed CC BY-SA.

Frequently asked questions

Where is C.S. Sovereign now?
C.S. Sovereign (Cable and pipe layer, United Kingdom flag) was last seen on AIS on Oct 4, 2026, 05:43 UTC, moored, near Weymouth (English Channel). The crew-entered destination was PORTLAND (voyage report via AISstream.io global terrestrial AIS, received Oct 4, 2026, 05:37 UTC). This report does not confirm the ship’s current route.
What kind of ship is C.S. Sovereign?
C.S. Sovereign is a cable and pipe layer sailing under the flag of United Kingdom, built in 1991 by Van der Giessen de Noord. The vessel is 130.7 m long and has a gross tonnage of 11,242.
Who is recorded as the owner or manager of C.S. Sovereign?
Global Marine Systems is recorded as Registered owner for C.S. Sovereign (source: Wikidata). This source record does not independently confirm today’s ownership or management.
What sanctions and inspection records does Voydar hold for C.S. Sovereign?
Voydar has no matched sanctions record displayed for C.S. Sovereign 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 C.S. Sovereign. Missing records do not establish whether the ship has been detained.

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