MS Allure of the Seas was the biggest passenger cruise liner ever built. She was built by STX Europe Turku Shipyard in Finland and is owned and operated by Royal Caribbean International, one of the largest cruise lines based in Miami, Florida.
She is an Oasis-class cruise type ship and was launched on 20 November 2009. She travels with a speed of 22.6 knots (41.9 km/h).
It has a total capacity of 5,484 passengers at double occupancy with a total of 18 decks and a maximum occupancy of 6,780. There are about 2,200 crew members.
She is equipped with three 13, 860 KW (18,590 HP) Wartsila power plants and three more of 18,480 MW (24,780 HP).
Her steel hull weighs around 54,000 tons. To withstand foot traffic and sea water conditions Uni-Solar BIPV laminates are used.