Aero 20

The Aero 20 is an American sailboat, that was designed by Gary Mull and first built in 1999. The design is out of production.
The boat was built by Catalina Yachts.
Design.
The Aero 20 is a small recreational keelboat, built predominantly of fiberglass. It has a fractional sloop rig, a transom hung rudder and a conventional fin keel giving a draft of . The hull design was based on the Independence 20, a boat designed by Mull for disabled sailors.
It displaces and carries of ballast. 
The boat is rigged with the unusual "aero rig", whereby the main and jib sails are on a common fore-and-aft boom.