The Aérospatiale Alouette III (Skylark) is a single-engine, light utility helicopter developed by Sud Aviation and later manufactured by Aérospatiale of France. The Alouette III is the successor to the Alouette II, being larger and having more seating.The Aérospatiale Alouette III (Skylark) is a single-engine, light utility helicopter developed by Sud Aviation and later manufactured by Aérospatiale of France. The Alouette III is the successor to the Alouette II, being larger and having more seating.