CNN New Day April 22, 2014 10:53:00
A pilot has to land somewhere far away and he hasn't crashed but he's also off the grid and maybe wants people to know where he is. then you can manually turn it on. >> two of them are located indoors, in the life rafts. >> specifically. the door opens, the life raft comes out. the elt is in there. and then so you're floating around in the ocean and you're sending out the signal so rescuers can come find you. >> again, that's not easily accessible. the idea that someone would have manually turned them off is unlikely. >> it's likely they were submerged before located. >> and because they do no...