What kind of ship is GSL MERCER?

GSL MERCER is a container ship sailing under the flag of Liberia, built in 2007 by HD Hyundai Mipo. The vessel is 222.1 m long and has a gross tonnage of 28,616.

Who is recorded as the owner or manager of GSL MERCER?

TECHNOMAR SHIPPING INC-LIB is recorded as ISM manager for GSL MERCER (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 GSL MERCER?

Seadar has no matched sanctions record displayed for GSL MERCER 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 GSL MERCER. Missing records do not establish whether the ship has been detained.

GSL MERCER

Container ship · Liberia · built 2007 · AIS Class A

IMO9337274MMSI636018378Call signA8MA9Last AIS position Oct 1, 2026, 09:01 UTC

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In short

GSL MERCER (Container ship, Liberia flag) was last seen on AIS on Oct 1, 2026, 09:01 UTC, under way at 11 kn, in the Caribbean Sea. Seadar has no more recent AIS position for this ship. Its current location cannot be established from this report. Its crew-entered AIS destination is COCTG (Cartagena); its reported draught is 11.3 m (voyage report via AISstream.io global terrestrial AIS, received Oct 1, 2026, 09:00 UTC). ISM manager: TECHNOMAR SHIPPING INC-LIB (source: EU MRV (THETIS-MRV) emissions, reporting year 2025).

Vessel type: Container ship
Flag: Liberia
Year built: 2007
Gross tonnage: 28,616
Size (length × beam): 222 m
ISM manager: TECHNOMAR SHIPPING INC-LIB

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Last reported position

received Oct 1, 2026, 09:01 UTC

Position: 10.2776° N, 75.8796° W
Area: Caribbean Sea
StatusWhat do AIS statuses mean?: Under way using engine
Speed: 11 kn
Course: 263°
Heading: 261°

10.2776° N, 75.8796° W

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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.

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Identity & particulars

Name: GSL MERCER
IMO numberWhat is an IMO number?: 9337274
MMSIWhat is an MMSI?: 636018378
Call signWhat is a call sign?: A8MA9
Flag: Liberia
Vessel type: Container ship
AIS ship type: Cargo
Gross tonnageGross tonnage vs deadweight: 28,616
Length overall: 222.1 m
Beam: —
Year built: 2007

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.

Operator: Wilhelmsen Ahrenkiel Bulk GmbH & Co. KG
Source: Wikidata · reported · confidence 0.8 · retrieved Sep 22, 2026
Zeaborn Ship Management(not linked to a company record)
Source: Wikidata · reported · confidence 0.6 · retrieved Jun 10, 2026
ISM manager: TECHNOMAR SHIPPING INC-LIB
Source: EU MRV (THETIS-MRV) emissions · reporting year 2025 · reported · confidence 0.9 · retrieved Sep 28, 2026
Builder: HD Hyundai Mipo
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
Apr 22, 2022, 06:17 UTC	Reported departure from Hong KongAuthority-reported	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Apr 21, 2022, 15:57 UTC	Reported arrival at Hong KongAuthority-reported	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Nov 29, 2021, 04:02 UTC	Reported departure from Hong KongAuthority-reported	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Nov 28, 2021, 14:12 UTC	Reported arrival at Hong KongAuthority-reported	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Dec 8, 2016	Reported arrival at SavannahAuthority-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	19,361 t	6,183 t	126 days	433 kg
2019	14,798 t	4,720 t	172 days	421 kg
2020	1,203 t	386 t	12 days	330 kg
2025	3,301 t	1,054 t	34 days	330 kg

Technical efficiency: EEXI (16.62 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	Apr 21, 2022, 15:57 UTC	KC8	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Hong Kong HKHKG	Arrival	Nov 28, 2021, 14:12 UTC	KC2	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Savannah USSAV	Arrival	Dec 8, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
Savannah USSAV	Departure	Dec 8, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
New York USNYC	Departure	Dec 5, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
New York USNYC	Arrival	Dec 5, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
Philadelphia USPHL	Arrival	Nov 7, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
Philadelphia USPHL	Departure	Nov 7, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
Savannah USSAV	Departure	Nov 5, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
Savannah USSAV	Arrival	Nov 5, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
Savannah USSAV	Departure	Sep 2, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
Savannah USSAV	Arrival	Sep 1, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances

Records published by the authority named on each row. Earliest record for this ship: July 7, 2007.

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 GSL MERCER now?: GSL MERCER (Container ship, Liberia flag) was last seen on AIS on Oct 1, 2026, 09:01 UTC, under way at 11 kn, in the Caribbean Sea. Seadar has no more recent AIS position for this ship. Its current location cannot be established from this report. The crew-entered destination was COCTG (voyage report via AISstream.io global terrestrial AIS, received Oct 1, 2026, 09:00 UTC). This report does not confirm the ship’s current route.
What kind of ship is GSL MERCER?: GSL MERCER is a container ship sailing under the flag of Liberia, built in 2007 by HD Hyundai Mipo. The vessel is 222.1 m long and has a gross tonnage of 28,616.
Who is recorded as the owner or manager of GSL MERCER?: TECHNOMAR SHIPPING INC-LIB is recorded as ISM manager for GSL MERCER (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 GSL MERCER?: Seadar has no matched sanctions record displayed for GSL MERCER 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 GSL MERCER. Missing records do not establish whether the ship has been detained.

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