Question: when did oasis of the seas first sail
Answer: 4 billion ( 2006 ) Yard number : 1363 Laid down : 12 November 2007 Launched : 21 November 2008 ( float - out ) Christened : 30 November 2009 Completed : 28 October 2009 Maiden voyage : 5 December 2009 Identification : Call sign : C6XS7 IMO number : 9383936 MMSI number : 311020600 DNV GL ID : 27091 Status : In service General characteristics Class and type : Oasis - class cruise ship Tonnage : 225,282 GT 242,999 NT 15,000 DWT Length : 361.