Harbin Osteen wrote:
I'm a big fan of Cat-Ketch type of sail rigs, but in a artical I read
about the Mari-Cha IV, it is a type of sloop, but both mast are
the same. What is this type of rig called?

Mari-Cha IV:
http://www.mari-cha4.com/pub/frameset.php

Fits into no defined category. If I had to fit it, I'd call it a
schooner. I sure won't defend that label, though.