The Cierva C.4 was an experimental autogiro built by Juan de la Cierva in Spain in 1922 which early the following year became the first autogyro to fly...

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...

Cierva scholarship from the Spanish Ministry of Science in named after him. Cierva C.1 Cierva C.2 Cierva C.3 Cierva C.4 Cierva C.6 Cierva C.8 Cierva C...

[citation needed] Cierva C.1 Cierva C.2 Cierva C.3 Cierva C.4 Cierva C.5 Cierva C.6 Cierva C.7 Cierva C.8 Cierva C.9 Cierva C.10 Cierva C.12 (first flight...

business aircraft C-4 Argonaut, a Canadair aircraft derived from the Douglas DC-4 Cierva C.4, a 1922 Spanish experimental autogyro DFW C.IV, a 1916 German...

The Cierva C.19 was a 1930s British two-seat autogyro, designed by Spanish engineer Juan de la Cierva. It was built by Avro as the Avro Type 620. It proved...

The Cierva C.12 was an experimental autogyro built by Cierva Autogiro Company in England in 1929, in association with Avro. Like most other Cierva designs...

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...

The Cierva C.40 was a British autogyro designed by G.B.L. Ellis, Otto Reder, and Dr. J.A.J Bennett and was assembled by the British Aircraft Manufacturing...

Havilland C.24 was a two-seat autogyro built by de Havilland at its Stag Lane works in England in 1931 The C.24 was built in 1931 using a Cierva rotor head...