quite some time to figure out if it can takeoff. the takeoff attempt will happen about four hours from now. in the meantime the faa is trying to investigate what caused this confusion that happened in the cockpit. >> that's one really unusual day on the job for those pilots. >> can you imagine what a mess it would be if this were a passenger plane, 300 plus people sitting on the tarmac in kansas? >> thank you, rene marsh. an 85-year-old korean war veteran is detained in north korea for almost a month. merrill newman's son says his father was moments away from leaving pyongyang when north korean authorities hauled him away. the family hasn't heard from him since. his son spoke last night with our anderson cooper. >> went to dinner friday morning, next morning checked out of the hotel, went to the airport, got on the plane, apparently five minutes before they were ready to depart,