Note: the prototype is open sourced, not the production plane. From the linked article: "This [crashed] aircraft was intended to be the production version of t

Note: the prototype is open sourced, not the production plane. From the linked article: "This [crashed] aircraft was intended to be the production version of the "Stratos" aircraft. The prototype version had successfully flown some 340 hours. The production model incorporated significant changes made by the designer/pilot."