From Houston Press Conf with Chinese medias (
Transcript of Press Conference with Chinese Media, 14 April 2014 ):
[If nothing is found in the area of detected pings] And that probably involves, if we take the Air France circumstances—that probably involves a very long, very painstaking sonar search of the floor of the ocean along the arc of the seventh ping. So that would take an extraordinary amount of time, would be very expensive but eventually, I would hope, it would yield information about what might have happened.
Would it imply that the last (partial) handshake with Inmarsat is now considered as the "in water" point? Has something been published about that?