The WSJ reports the plane may have flown for four hours after its last radar contact . A multinational search over a 100 - mile area is under way at sea . Malaysian authorities say they are reviewing radar data from after the plane lost contact . The weather conditions were reported to be good . They are trying to determine if a blip on the radar heading west was in fact the plane .
The WSJ reports the plane may have flown for four hours after its last radar contact . A multinational search over a 100 - mile area is under way at sea . Malaysian authorities say they are reviewing radar data from after the plane lost contact . They are trying to determine if a blip on the radar heading west was in fact the plane .