On the anniversary of its first flight on March 24th 1935, Key.Aero brings you 10 facts about the Avro Anson
1. The Avro Anson entered RAF service in March 1936. It remained in use, despite role changes, until 1968

2. The most numerous version of the aircraft was the Avro Anson Mk.I of which 6,688 were built - over half of its total production run number