What kind of ship is C-Liberty?

C-Liberty is an offshore supply vessel sailing under the flag of United States, built in 2004 by North American Shipbuilding. The vessel is 85 m long with a beam of 19 m and has a gross tonnage of 3,045.

What sanctions and inspection records does Voydar hold for C-Liberty?

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

C-Liberty

Offshore supply vessel · United States · built 2004 · AIS Class A

IMO9320415MMSI338517000Call signWDH5194Last AIS position Aug 24, 2026, 02:41 UTC

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In short

C-Liberty (Offshore supply vessel, United States flag) was last seen on AIS on Aug 24, 2026, 02:41 UTC, under way at 7.6 kn, in the North Atlantic Ocean. Voydar has no more recent AIS position for this ship. Its current location cannot be established from this report.

Vessel type: Offshore supply vessel
Flag: United States
Year built: 2004
Gross tonnage: 3,045
Size (length × beam): 85 m × 19 m
Registered owner: —

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Last reported position

received Aug 24, 2026, 02:41 UTC

Position: 41.1821° N, 71.4196° W
Area: North Atlantic Ocean
StatusWhat do AIS statuses mean?: Under way using engine
Speed: 7.6 kn
Course: 178°
Heading: 180°

41.1821° N, 71.4196° 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.

A year of history in the Terminal (Plus) · the full archive since June 1, 2026 (Pro)

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Identity & particulars

Name: C-Liberty
IMO numberWhat is an IMO number?: 9320415
MMSIWhat is an MMSI?: 338517000
Call signWhat is a call sign?: WDH5194
Flag: United States
Vessel type: Detailed type from WikidataOffshore supply vessel
AIS ship type: Cargo
Gross tonnageGross tonnage vs deadweight: 3,045
Net tonnage: 1,149
Deadweight (DWT): Source: Wikidata, record Q105764414. Added to Voydar on September 23, 2026. Licence: CC0 1.0.4,830 t
Length overall: 85 m
Beam: 19 m
Year built: 2004

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: North American Shipbuilding
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.

Date	Event	Source
Dec 28, 2016	Reported arrival at GREATER LAFOURCHE PORT COMMISSION (PORT FOURCHON)Authority-reported	USACE foreign traffic vessel entrances & clearances
Aug 14, 2016	Reported arrival at GREATER LAFOURCHE PORT COMMISSION (PORT FOURCHON)Authority-reported	USACE foreign traffic vessel entrances & clearances
Aug 13, 2016	Reported departure from GREATER LAFOURCHE PORT COMMISSION (PORT FOURCHON)Authority-reported	USACE 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.

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

Port	Record	Date (UTC)	Berth	Source
GREATER LAFOURCHE PORT COMMISSION (PORT FOURCHON)	Arrival	Dec 28, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
GREATER LAFOURCHE PORT COMMISSION (PORT FOURCHON)	Arrival	Aug 14, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
GREATER LAFOURCHE PORT COMMISSION (PORT FOURCHON)	Departure	Aug 13, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
GREATER LAFOURCHE PORT COMMISSION (PORT FOURCHON)	Arrival	Feb 23, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
GREATER LAFOURCHE PORT COMMISSION (PORT FOURCHON)	Arrival	Dec 21, 2015(date only)	—	USACE foreign traffic vessel entrances & clearances
GREATER LAFOURCHE PORT COMMISSION (PORT FOURCHON)	Departure	Dec 19, 2015(date only)	—	USACE foreign traffic vessel entrances & clearances
GREATER LAFOURCHE PORT COMMISSION (PORT FOURCHON)	Arrival	Nov 2, 2015(date only)	—	USACE foreign traffic vessel entrances & clearances
GREATER LAFOURCHE PORT COMMISSION (PORT FOURCHON)	Departure	Oct 30, 2015(date only)	—	USACE foreign traffic vessel entrances & clearances
GREATER LAFOURCHE PORT COMMISSION (PORT FOURCHON)	Arrival	Oct 11, 2015(date only)	—	USACE foreign traffic vessel entrances & clearances
GREATER LAFOURCHE PORT COMMISSION (PORT FOURCHON)	Arrival	Sep 24, 2015(date only)	—	USACE foreign traffic vessel entrances & clearances
GREATER LAFOURCHE PORT COMMISSION (PORT FOURCHON)	Departure	Sep 21, 2015(date only)	—	USACE foreign traffic vessel entrances & clearances
GREATER LAFOURCHE PORT COMMISSION (PORT FOURCHON)	Arrival	Sep 5, 2015(date only)	—	USACE foreign traffic vessel entrances & clearances

Records published by the authority named on each row. Earliest record for this ship: September 28, 2004.

Source: US Army Corps of Engineers, Waterborne Commerce Statistics Center (US CBP entrance/clearance records). Licence: US Government work — public domain.

Frequently asked questions

Where is C-Liberty now?: C-Liberty (Offshore supply vessel, United States flag) was last seen on AIS on Aug 24, 2026, 02:41 UTC, under way at 7.6 kn, in the North Atlantic Ocean. Voydar has no more recent AIS position for this ship. Its current location cannot be established from this report.
What kind of ship is C-Liberty?: C-Liberty is an offshore supply vessel sailing under the flag of United States, built in 2004 by North American Shipbuilding. The vessel is 85 m long with a beam of 19 m and has a gross tonnage of 3,045.
What sanctions and inspection records does Voydar hold for C-Liberty?: Voydar has no matched sanctions record displayed for C-Liberty 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-Liberty. Missing records do not establish whether the ship has been detained.

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