Claim: The Williams Aircraft Design Company designed the only Williams W-17 Stinger which took its first flight in the 1970s and featured a single engine in tractor configuration.
Evidence: The sole example was raced at the Reno Air Races by pilot John P. Jones in 1973 and captured second place. The W-17 Stinger features a cantilever mid-wing, a single-seat enclosed cockpit under a bubble canopy, fixed conventional landing gear and a single engine in tractor configuration.