Frac. Sloop (Rotating Spar) • Catamaran Twin Dbrd. • Built 1975–1985
Besides the NACRA 36, of which few were built, this was the first boat called NACRA and enormously successful.
The designer was the first builder and was also responsible for creating the organization which he called the North American Catamaran Racing Association.
Replaced with the NACRA 5.5.
Thanks to Bob Hoffman for providing additional information.