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...

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.6 was the sixth autogyro designed by engineer Juan de la Cierva, and the first one to travel a "major" distance. Cierva, the engineer responsible...

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...

[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...

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.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...

Caspar C 30, a German reconnaissance aircraft Cierva C.30, a Spanish autogyro Curtiss C-30 Condor, an American military transport aircraft Siren C.30 Edelweiss...

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...

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...