A Chinese ship hears a distress call in the southern Indian Ocean . The signal reported `` is the standard beacon frequency '' for the plane 's cockpit voice recorder and the flight data recorder , said Anish Patel , president of pinger manufacturer Dukane Seacom . Families of passengers react with caution . ` ` I do n't believe it , '' says Jack Song , whose sister was on Flight 370 . ` ` THERE IS NO ONE , '' another relative of a passenger says in a recorded message .
A Chinese ship hears a distress call in the southern Indian Ocean . Families of passengers react with caution . ` ` I do n't believe it , '' says Jack Song , whose sister was on Flight 370 . ` ` THERE IS NO ONE , '' another relative of a passenger says in a recorded message .