Sonex is pleased to provide this update on the progress of the Sonex Highwing! The Highwing continues to generate huge interest with prospective customers and we have been diligently working to bring the new aircraft design to fruition. Prototype Construction Has Begun: Sonex Highwing prototype construction has begun and the tailcone of the aircraft is … Continue reading Sonex Highwing Update: Prototype Under Construction; New Specifications and Details