Topic summary
Hurel-Dubois HD.31
The Hurel-Dubois HD.31, HD.32, and HD.34 were a family of civil aircraft produced in France in the 1950s, based on the high-aspect ratio wing designs of .
Topic summary
The Hurel-Dubois HD.31, HD.32, and HD.34 were a family of civil aircraft produced in France in the 1950s, based on the high-aspect ratio wing designs of .