The US Coast Guard has called off its search for an Australian man believed to have fallen overboard from a cruise ship traveling from Brisbane to Hawaii. A passenger on board the vessel, Georgina Thompson, told Nine News she and her husband were in bed when they heard the call “Oscar, oscar, oscar” – the cruise ship line’s code for “man overboard. The vessel made its maiden voyage in 2014 from Southampton to New York, and was at the time branded as the “world’s smartest cruise ship” with robot waiters and features skydiving on deck