Originally Posted by mitchc
No much deeper!
I had a poke around and any reports online state that the vessel sank in 30m. Obviously however, we must treat the Internet with suspicion when it comes to accurate information. I suppose one reason for the trimix and bell might be that they were a diving operation (so it was available) and knew they were going to be involved in a lengthy search for bodies.
Harrison was one lucky dude. Who knows if some others were trapped in bubbles that escaped slowly....