Lightning Fleet 154

Lightning, a nineteen-foot trailerable centerboard sloop, was originally designed by Sparkman & Stephens as an affordable family day-sailor and racing boat. She has evolved into one of the most popular and competitive one-design racing classes in the world. Awarded ISAF International Class status, the Lightning is sailed in more than thirteen countries and in the Pan American Games, and the Class provides a professionally-managed association that is among the largest in all of one-design sailing. The Lightning's rig is simple but offers sophisticated sail shape controls. The hull features a unique hard chine design that combines the stability that provides sail-carrying power, with flat bottom sections that promote planing.

Source: lightningclass.org