Dewoitine D.522
The D.521 would have been a variant of the Dewoitine D.520 produced in the United States, and powered by the 1,040 hp Allison V1710-C15 engine. The collapse of France ended this project before any aircraft were produced.
French Fighters of World War II, Alain Pelletier. This book tells the story of the French fighter aircraft that attempted to stand up the Luftwaffe in 1940. It covers seven main aircraft and a larger number of minor variants. Each aircraft is taken from development and prototypes through the battle of France and into the period after the armistice. [
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How to cite this article:
Rickard, J (20 April 2007), Dewoitine D.522
, http://www.historyofwar.org/articles/weapons_dewoitine_d522.html