About MAERSK DAWN
MAERSK DAWN is a United States-flagged Heavy Lift registered under IMO 9336912 (MMSI 774107437) and currently associated with the Port of Southampton, United Kingdom. Vessels in this class belong to the broader commercial port family — operationally that means cargo handling and voyage planning are dominated by a mixed fleet of merchant vessels including general cargo ships, container feeders, and small bulk carriers. Cargo handling combines fixed gantry plant with mobile cranes and conventional break-bulk gear. She measures 156 metres in length overall by 22 metres in beam, with a gross tonnage of 158,250 GT and a deadweight of 181,896 tonnes.
The vessel is shown as moored, indicating she is secured at a berth or designated mooring with engines on standby and cargo operations either underway or completed. Her current declared estimated time of arrival is May 5, 2026 02:42 UTC, although ETAs are routinely revised in transit to reflect weather, routeing and pilot scheduling. She was built in 2009. The vessel is registered with the International Maritime Organization, whose database of registered ships and the conventions governing their operation is published at the IMO conventions library.
IMO numbers are issued by IHS Markit on behalf of the International Maritime Organization and remain attached to the hull for the lifetime of the vessel â they do not change with sale, re-flagging, or rename. MMSI numbers, in contrast, are issued by the flag state’s telecommunications administration and identify the vessel’s radio installation; an MMSI changes when a vessel changes flag. When researching an individual ship across historical records â particularly for incident investigation, port state inspection history, or insurance claims â the IMO number (9336912) is the stable identifier to anchor the search on, while the MMSI is the right key for AIS reception logs and VHF radio licensing records.
The vessel’s declared dimensions of 156 metres length overall by 22 metres beam, with 158,250 gross tonnage and 181,896 tonnes deadweight, place her in a specific size class within the global heavy lift fleet. These particulars determine which port berths she can use, which canals she can transit (Panama Canal locks, Suez Canal draught, the Strait of Malacca’s Malaccamax constraint), and which terminals around the world have the cranes and yard plant to work her efficiently.