That's terrible news... our thoughts go to him and his family. My wife lost a cousin in a similarly sudden, unexpected loss at a young age too.
1984 Fast/Nicholson 345 "FastForward"
".. there is much you could do at sea with common sense.. and very little you could do without it.."
Capt G E Ericson (from "The Cruel Sea" by Nicholas Monsarrat)