>> reporter: this is a fatal mystery. how come a brand-new boeing 737, belonging to a low-budget indonesian airline, tumbled out of the sky shortly after takeoff with 189 crew members and passengers on board? on the surface of the java sea, pieces of what is left of lion air flight 610. rescuers and divers now searching around the clock for the flight data recorder or black box and fuselage of the doomed plane. the aircraft crashed monday morning just minutes after takeoff with 189 passengers and crew on board. indonesian authorities say they have little hope of finding any survivors. >> translator: my prediction is no one survived because we only managed to retrieve body parts that are incomplete. >> reporter: it was supposed to be a routine domestic flight of about an hour from jakarta, but