Welcome to the Hatz Biplane Association Membership Webpages Here you will find members only Technical Articles, Communal Activities, and Members History Hatz Biplane Association: Officers and Directors – 2024 Hatz Biplane Association: Membership Locator Map Hatz Biplane Association: Newzletter Archive (1992 – Present) Jurg Muller’s report: Structural Analysis of a Hatz CB-1 Biplane . Note:…