Mike O'Donnell, FAA, Director, Office of Airport Safety and Standards AAS-1, left, speaks with Assistant Deputy Chief Dale Carnes, San Francisco Fire Department, as they take their seats on a panel for a National Transportation Safety Board (NTSB) investigative hearing in Washington, Wednesday, Dec. 11, 2013, on the crash landing of Asiana Airlines Flight 214. The two-dozen witnesses at the hearing include representatives of Asiana, Boeing Co., the Federal Aviation Administration and the Korean government Office of Civil Aviation. (AP Photo/Jacquelyn Martin)