Chad – McDonnell Douglas DC-9 Aircraft – 1000 Francs – 2003 – Proof Silver Crown – Color – The McDonnell Douglas DC-9 is a twin-engine, single-aisle jet airliner. It was first manufactured in 1965 with its maiden flight later that year. The DC-9 was designed for frequent, short flights. The final DC-9 was delivered in October 1982.