The Cierva C.8 was built by Juan de la Cierva in association with a company founded in what year?
Cierva C.8 The Cierva C.8 was an experimental autogyro built by Juan de la Cierva in England in 1926 in association with Avro. Like Cierva's earlier autogyros, the C.8s were based on existing fixed-wing aircraft fuselages – in this case, the Avro 552.
Cantiere navale di Riva Trigoso Cantiere navale di Riva Trigoso (Riva Trigoso Shipyard) is an Italian shipyard. Founded on 1 August 1897 by Erasmo Piaggio's Società Esercizio Bacini (a drydock-operating company) in Riva Trigoso, it mostly built commercial ships. In 1925 the Piaggio heirs decided to spin off the drydock business and the company was renamed Cantieri del Tirreno. It diversified into building warships and was heavily damaged during World War II.