The flight path is interesting:

http://flightaware.com/news/article/...rs-Crashes/164

Sure looks like a loss of cabin pressure at high altitude. CNN article he

http://www.cnn.com/2012/04/19/us/gul...rch/index.html

The interesting thing is that the Coast Guard said it appeared to make a soft
landing. How likely is that with an incapacitated pilot?