FFA Diamant
 The FFA Diamant (English: Diamond) is a family of Swiss high-wing T-tailed single-seat FAI Standard Class and Open class gliders that was designed by engineering students under supervision of Professor Rauscher at the ETH Zurich and manufactured by Flug- und Fahrzeugwerke Altenrhein AG (FFA) of Altenrhein Switzerland.The Diamant is noted as the first glider that was built entirely from fiberglass with no other materials such as balsa used as a sandwich.