High Quality Content by WIKIPEDIA articles! The Saab JAS 39 Gripen (English: Griffin) is a lightweight single-engine multirole fighter manufactured by the Swedish aerospace company Saab. It was designed to replace the Saab 35 Draken and 37 Viggen in the Swedish Air Force (Flygvapnet). The Gripen features delta wings and canards, as well as relaxed stability design and fly-by-wire technology.