The Dewoitine company went bankrupt in January 1927 and Émile Dewoitine temporarily moved to Switzerland where EKW continued development of the new D.27 fighter. Ten D.21s ordered by Argentina and Czechoslovakia were also built by the Swiss state factory, the D.21 being a variant of the D.1. This airframe was destined for the Argentine navy as the anchor marking makes clear. Photo from: ETH-Bibliothek Zürich
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