CommercialCivil helicoptersCierva Autogiro Company C.19Two-seat autogyro model by Juan de la Cierva1929
MilitaryFighters & multiroleCaudron C.714Single-engine fighter aircraft by Caudron-Renault in France in the late 1940s1936
CommercialCivil helicoptersCierva Autogiro Company C.9Experimental autogyro model by Juan de la Cierva1927
MilitaryReconnaissance & surveillanceAviatik C.I1915 reconnaissance aircraft by Aviatik1915142 km/h450 km
MilitaryExperimental & historic pioneersAEG C.IIIPrototype two-seat armed reconnaissance aircraft1915