The Saab 37 Viggen (The Tufted Duck, ambiguous with The Thunderbolt)[3] is a single-seat, single-engine multirole combat aircraft designed and produced by the Swedish aircraft manufacturer Saab.[1] It was the first canard-equipped aircraft to be produced in quantity[4] and the first to carry an airborne digital central computer with integrated circuits for its avionics, arguably making it the most modern/advanced combat aircraft in Europe at the time of introduction. The digital central computer