A passenger disappeared from the Sun Princess cruise ship during a five-day cruise to Okinawa, Japan after from the port of Keelung in Taiwan on Wednesday, August 7, 2019.
The forty-one year old woman was reportedly traveling with her mother and aunt, according to the Focus Media News Channel.
The article does not state

Our U.S. Congress has already enacted legislation requiring that cruise ships implement state-of-the-art technologies to detect man-overboard
Yesterday the Sun Princess cruise ship responded to a disabled sailing yacht in the middle of the Tasman Sea.