The Cierva C.30 is an autogyro designed by Juan de la Cierva and built under licence from the Cierva Autogiro Company by A V Roe & Co Ltd (Avro), Lioré-et-Olivier and Focke-Wulf. Focke-Wulf C 30 Heuschrecke (Grasshopper): 40 aircraft built, each with a 140 hp (104 kW) Siemens Sh 14A 7-cylinder radial engine.
