All 228 aboard are presumed dead . NEW : Plane 's distress signals , but not its flight data recorder . French navy and Yemeni authorities expand search efforts for wreckage , respectively . Airbus 310 went down with 153 people on flight deck in Sanaa , Yemen . U.S. Navy investigators identified two recent failures aboard Airbus 310 .
NEW : Plane 's distress signals , but not its flight data recorder . French navy and Yemeni authorities expand search efforts for wreckage , respectively . Airbus 310 went down with 153 people on flight deck in Sanaa , Yemen . U.S. Navy investigators identified two recent failures aboard Airbus 310 .