(FILES) - A photo taken on December 8, 2014 shows an Airbus A320 aircraft at the Roissy-Charles-De-Gaulle airport. An Airbus A320 plane crashed on March 24, 2015 in the southern French Alps, security sources said. One of the sources said the plane belonged to Germanwings, an affiliate of German airline Lufthansa, travelling between Barcelona and Dusseldorf. The single-aisle A320 typically seats 150 to 180 people. AFP PHOTO MARTIN BUREAU