The official webpage of the Hatz Biplane Association, dedicated to the education and enjoyment of building and flying Hatz CB-1, Classic, Bantam, and Kelly-D biplanes.
Here you will find HBA news, builder info, where to buy plans and information packs about the Hatz and the Kelly-D biplanes, a forum to trade messages with other builders, a bookstore, and so much more!
Hatz Biplane Association
1836 Elm Ave.
Canon City, CO81212-4525
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Formerly the American Hatz Association
our new name reflects our World Wide membership
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|Hatz CB-1 Spar Analysis|
June 29, 2007