Hatz Biplane Association

Building and Maintaining the Hatz CB-1
A forum about all aspects of the construction and maintenance of the original Hatz CB-1 biplane. Here is the place to ask your questions and get the answers from the real experts.

Building and Maintaining the Hatz Classic
A forum about all aspects of the construction and maintenance of the Billy Dawson inspired modified Hatz Classic biplane. Here is the place to ask your questions and get the answers from the real experts.

Building and Maintaining the Hatz Bantam
A forum about all aspects of the construction and maintenance of the Mark and Sandra Marino inspired modified Hatz Bantam biplane. Here is the place to ask your questions and get the answers from real experts.

Building and Maintaining the Kelly-D
A forum about all aspects of the construction and maintenance of the original Kelly-D biplane. Here is the place to ask your questions and get the answers from the real experts.

Resources, Suppliers, Tips, Etc.
A forum to discuss resources, suppliers, tips, and general information common to two or more of the biplanes.