Sonar Detector

Australian authorities searching for a missing Malaysia Airlines passenger jet said on Monday they had lost a deep-water sonar detector being used to scour a patch of the ocean floor where the plane is believed to have gone down almost two years ago.

Australian authorities searching for a missing Malaysia Airlines passenger jet said on Monday they had lost a deep-water sonar detector being used to scour a patch of the ocean floor where the plane is believed to have gone down almost two years ago.