The disappearance of a woman who fell overboard while on the P&O Pacific Dawn is one of at least nine occasions in the past two years where people have fallen while on board a cruise ship.
* April 12 - A woman falls overboard at 4pm while travelling on the Brisbane-bound Pacific Dawn, 300km west of New Caledonia, with the search called off on April 13.
* April 3 - A 34-year-old Saudi Arabian man is reported to have fallen overboard on the Norwegian Spirit at 2am when it was 30km west of the Spanish port of Cartagena.
* March 6 - A woman falls overboard while taking a 'selfie' about 9pm on the Norwegian Epic cruise liner off the coast of the Bahamas. Crew members use a tender to rescue her.
* January 21 - Forty-four-year-old mother Juwanna Brooks goes missing on the second day of a five-day cruise from New Orleans to the Gulf of Mexico on board the Carnival Triumph. Her mother tells ABC News (US) the cruise was her daughter's first, a Christmas present from her husband.
* January 19 - A passenger dies on the Carnival Elation after falling from the 14th deck to the 11th deck while it was in the Bahamas.
* October 14 - An eight-year-old girl from Nassau in the Bahamas dies after falling from an atrium balcony onto the deck below while the Carnival Glory is docked in Miami.
* December 23 - A 74-year-old British woman was on a 12-night tour of the Caribbean on the Queen Mary 2 when she went overboard, a day after departing New York. She was never found.
* September 7 - New Yorker Rina Patel, 32, was seen falling off the 11th deck of the Carnival Ecstasy, 43 kilometres southwest of Freeport in the Bahamas.
* May 13 - Samantha Broberg, 33, was on a girls' weekend cruise from Texas to Mexico when she fell backwards from a rail on the 10th deck of the Carnival Liberty about 2am. Her disappearance was not discovered until after sunrise.
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Australian Associated Press