CNN Erin Burnett OutFront April 22, 2014 23:40:00
Scenario, how deep the hull is inside the water. naturally, the deeper the hole in the water, the more water pressure is going to be pushing in. >> if i'm a passenger that is on a ship and i'm not very familiar with the ship, what do you suggest that i do to get to safety? >> the best thing to get to safety is follow the walls. follow them, get to a ladder, get outside. i always recommend getting to the main deck. >> reporter: and so why would you want to go outside? of course because the lifeboats are there. now, also joining us is joe farrell. he is the founder and ceo of this company. what ...