happened to tip it to its side? >> sorry, bill, but i do not. the noise that it made could have been striking a rock, which could have caused flooding from outside into the vessel. i don't have information on the configuration of the vessel, unfortunately. also there are other things that could have caused flooding. there could have been an internal breakage, a pipe through explosion or otherwise. depending on the nature of that noise they heard. but certainly water got into the ship. free surface water going to the low side took over. and caused the ship to capsize. >> now, do you have any sense -- i know we're all struggling to figure out what the configuration is. but air-tight compartments in the bottom that somehow could hold out hope that some kids got themselves in there and sealed