According to the Daily Mail, the ship’s intercom system blasted the code “Mr. M.O.B.” (man overboard) to notify passengers of the impending emergency.

Child Falls from Deck 4, Father Jumps In
As they watched the girl fall into the Atlantic Ocean from Deck 4, which has a walking track with plexiglass safety barriers, passengers have recounted the terrifying experience. It’s still unknown how the toddler fell in spite of these safety precautions.
Determined to keep her afloat while the ship, which can exceed 25 mph while in service, continued to move, the girl’s father made the snap decision to jump overboard after her, leaving them floating away from the ship.
“A girl fell overboard from the 4th deck & her dad went in after her … Thankfully the DCL rescue team was on it immediately and