The Florida Sonex Association will be holding their first annual "Spring Sonex Fest" fly-in on Saturday, April 13, 2013 at Zephyrhills Municipal Airport in Zephyrhills, FL. The event will be held from 10am to 5pm. Sonex Aircraft, LLC is a leader in the experimental kit aircraft industry, providing a series of Sport Pilot eligible kit aircraft and producing the AeroConversions line of products which include the AeroVee engine, AeroInjector and ancillary aviation products.