According to Mason in The Hawker Hurricane, Hawker had received 14 Merlin XX engines by June 1940, and from Sept 4 to Sept 30 1940, 32 Hurricane IIs were delivered to operational squadrons. Birtles states that the first Hurricane Mk II was flown on June 11 1940 and the first production Mk II with a 12 gun armament flew in August 1940.
|