What kind of ship is MARIANNA C?

MARIANNA C is a bulk carrier sailing under the flag of Liberia, built in 2015 by Jiangsu Hantong Ship Heavy Industry Co., Ltd.. The vessel is 199 m long with a beam of 32 m and has a gross tonnage of 36,518.

Who is recorded as the owner or manager of MARIANNA C?

Cosmoship Management S.A. is recorded as ISM manager for MARIANNA C (source: EU MRV (THETIS-MRV) emissions; reporting year 2025). This source record does not independently confirm today’s ownership or management.

What sanctions and inspection records does Seadar hold for MARIANNA C?

Seadar has no matched sanctions record displayed for MARIANNA C from the OFAC SDN list, the UK Sanctions List, the Canadian autonomous sanctions list, the EU list of designated vessels and the New Zealand Russia Sanctions Register. Coverage may be incomplete; this is not sanctions clearance. No matched inspection records are displayed for MARIANNA C. Missing records do not establish whether the ship has been detained.

MARIANNA C

Bulk carrier · Liberia · built 2015 · AIS Class A

IMO9726516MMSI636025366Call sign5LXC2Last AIS position Sep 8, 2026, 17:19 UTC

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In short

MARIANNA C (Bulk carrier, Liberia flag) was last seen on AIS on Sep 8, 2026, 17:19 UTC, under way at 13.2 kn, in the Java Sea. Seadar has no more recent AIS position for this ship. Its current location cannot be established from this report. ISM manager: Cosmoship Management S.A. (source: EU MRV (THETIS-MRV) emissions, reporting year 2025).

Vessel type: Bulk carrier
Flag: Liberia
Year built: 2015
Gross tonnage: 36,518
Size (length × beam): 199 m × 32 m
ISM manager: Cosmoship Management S.A.

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Last reported position

received Sep 8, 2026, 17:19 UTC

Position: 4.3029° S, 110.0761° E
Area: Java Sea
StatusWhat do AIS statuses mean?: Under way using engine
Speed: 13.2 kn
Course: 114°
Heading: 114°

4.3029° S, 110.0761° E

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Seadar detected no port call in the last 30 days.

Port calls are detected by Seadar 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: MARIANNA C
IMO numberWhat is an IMO number?: 9726516
MMSIWhat is an MMSI?: 636025366
Call signWhat is a call sign?: 5LXC2
Flag: Liberia
Vessel type: Detailed type from EU MRV (THETIS-MRV) emissionsBulk carrier
AIS ship type: Cargo
Gross tonnageGross tonnage vs deadweight: 36,518
Deadweight (DWT): Source: Wikidata, record Q104035757. Added to Seadar on September 23, 2026. Licence: CC0 1.0.63,099 t
Length overall: 199 m
Beam: 32 m
Year built: 2015

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: Cosmoship Management S.A.
Source: EU MRV (THETIS-MRV) emissions · reporting year 2025 · reported · confidence 0.9 · retrieved Sep 28, 2026
KMARIN OCEAN SERVICES CORP. (KOSCO)(Former)
Source: EU MRV (THETIS-MRV) emissions · reporting year 2024 · reported · confidence 0.9 · retrieved Sep 28, 2026
Builder: Jiangsu Hantong Ship Heavy Industry Co., Ltd.
Source: Wikidata · reported · confidence 0.8 · retrieved Sep 22, 2026

Timeline

Dated events for this ship from every source Seadar holds, newest first. Each line names its source; derived items say how they were derived.

Date	Event	Source
during 2024–2025	ISM manager: Cosmoship Management S.A. (previously KMARIN OCEAN SERVICES CORP. (KOSCO))	Seadar relationship-change derivation (derived by Seadar from EU MRV (THETIS-MRV) emissions)
Mar 26, 2019, 10:16 UTC	Reported departure from Hong KongAuthority-reported	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Mar 26, 2019, 04:28 UTC	Reported arrival at Hong KongAuthority-reported	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Dec 28, 2018, 04:36 UTC	Reported departure from Hong KongAuthority-reported	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Dec 27, 2018, 20:14 UTC	Reported arrival at Hong KongAuthority-reported	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Oct 23, 2016	Reported departure from ANACORTES HARBOR, WAAuthority-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.

Emissions & fuel consumption

Independently verified annual figures reported under the EU MRV regulation — public environmental data the incumbents don't surface.

Year	CO₂ emitted	Fuel burned	Time at sea	CO₂ / n mile
2018	0 t	0 t	0 days	—
2021	1,611 t	511 t	24 days	282 kg
2022	9,212 t	2,911 t	118 days	310 kg
2023	3,717 t	1,191 t	46 days	282 kg
2024	2,446 t	773 t	28 days	319 kg
2025	0 t	0 t	0 days	—

Technical efficiency: EEDI (3.94 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 Seadar 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
Hong Kong HKHKG	Arrival(matched by call sign)	Mar 26, 2019, 04:28 UTC	WL	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Hong Kong HKHKG	Arrival	Dec 27, 2018, 20:14 UTC	SELA	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
ANACORTES HARBOR, WA	Departure	Oct 23, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
ANACORTES HARBOR, WA	Arrival	Oct 16, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances

Records published by the authority named on each row. Earliest record for this ship: October 16, 2016.

Source: Marine Department, HKSAR Government — DATA.GOV.HK. Licence: DATA.GOV.HK Terms and Conditions.

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 MARIANNA C now?: MARIANNA C (Bulk carrier, Liberia flag) was last seen on AIS on Sep 8, 2026, 17:19 UTC, under way at 13.2 kn, in the Java Sea. Seadar has no more recent AIS position for this ship. Its current location cannot be established from this report.
What kind of ship is MARIANNA C?: MARIANNA C is a bulk carrier sailing under the flag of Liberia, built in 2015 by Jiangsu Hantong Ship Heavy Industry Co., Ltd.. The vessel is 199 m long with a beam of 32 m and has a gross tonnage of 36,518.
Who is recorded as the owner or manager of MARIANNA C?: Cosmoship Management S.A. is recorded as ISM manager for MARIANNA C (source: EU MRV (THETIS-MRV) emissions; reporting year 2025). This source record does not independently confirm today’s ownership or management.
What sanctions and inspection records does Seadar hold for MARIANNA C?: Seadar has no matched sanctions record displayed for MARIANNA C from the OFAC SDN list, the UK Sanctions List, the Canadian autonomous sanctions list, the EU list of designated vessels and the New Zealand Russia Sanctions Register. Coverage may be incomplete; this is not sanctions clearance. No matched inspection records are displayed for MARIANNA C. Missing records do not establish whether the ship has been detained.

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