RedactedNarrative: occupants were out night fishing and had the livewell filling. Operator noticed that water was coming up deck drains. Operator got the vessel on plane but water was coming over the transom. Operator turned off the boat and all occupants donned PFDs and jumped overboard then swam to shore. the vessel soon capsized after the occupants abandoned ship.  The vessel was later recovered and investigation revealed the water line to the livewell had become unattached and was free flowing water into the vessel bilge.