High Quality Content by WIKIPEDIA articles! The Eurocopter AS550 Fennec and AS555 Fennec 2 are lightweight, multipurpose military helicopters manufactured by Eurocopter Group. Based on the AS350 Ecureuil and AS355 Ecureuil 2 series, they are named after the Fennec Fox. The armed versions of the AS550 and AS555 can be fitted with coaxial weapons, rockets, torpedoes and various other munitions.