The Amerian built Douglas C- 47 Dakota was adapted from the 1935 DC-3 commercial airliner which was produced until 1946, it was called the Douglas Dakota by the Royal Air Force , and was commonly referred to as “Dak” by UK the RAF who retired it’s last active Douglas C- 47 Dakota in 1970. The RAF’s Battle of Britain flight now operates an ex-Canadian Air Force C- 47 Dakota which it obtained in 1971.