For other HA18 owners:
Download a high-resolution 22-page PDF with HA18 Rigging Diagram, Brochures & other info from this link:

* Click here to download HA18 tech info. Version 3. Updated August 2009.

* This link contains a ".zip" archive. Zip files are a cross-platform (mac or pc) standard format used for compressing files for email or downloading. Most computers have the software to open these files. If your computer doesn't have "stuffit" or "winzip" or something similar, you can download free software here for PCs, and here for Macs. Problems? Read about .zip files here.

 Links:

The Catboat Association - an excellent group.

Com-Pac Yachts - the Horizon Cat, made from HA18 molds.

Herreshoff Designs - Carrying the torch for Nat.

HA18 halyard fairlead - click for picture.