The Schempp-Hirth Arcus is a flappedTwo Seater Classglider in production by Schempp-Hirth. It first flew 7 April 2009. It is offered in addition to the Duo Discus which is an unflapped 20 metre two-seater, whose fuselage it shares. The wings have flaperons integrated along the whole span.
It is available as a pure glider, a turbo using the Solo 2350-engine, and as a self-launching glider using the Solo 2625-02i. An electric power unit based on Antares 20E equipment is also in production in collaboration with Lange Aviation GmbH.