On July 25th, 1939, an odd-looking aircraft took off on its maiden flight from Manchester Ringway aerodrome, England, with Avro Chief Test Pilot Sam Brown at the controls. It sported three fins, of ...

The Avro Lancaster originated from the unsuccessful twin-engine Avro Manchester bomber, which first flew in 1939. In late 1940, a decision was taken to replace the Manchester's two Rolls-Royce Vulture ...