Ortelius was originally the Marina Svetaeva. Built in Gdynia, Poland in 1989, it served as a special-purpose vessel for the Russian Academy of Science. Later it was re-flagged and renamed after the Dutch/Flemish cartographer Abraham Ortelius (1527 – 1598), who in 1570 published the first modern world atlas: Theatrum Orbis Terrarum or Theater of the World. At that time his atlas was the most expensive book ever printed. Ortelius is classed by Lloyd’s Register in London and flies the Cyprus flag.

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The vessel has the highest ice-class notation (UL1, equivalent to 1A) and is therefor suitable to navigate in solid one-year sea ice as well as loose multi-year pack ice. Ortelius can accommodate up to 116-123 passengers and has an abundance of open-deck spaces. It is manned by 22 highly experienced nautical crew members, 19 hotel staff, eight expedition specialists (one expedition leader, one assistant, and six lecturer-guides), and one doctor.