The Cierva C.17 was a British experimental autogyro built by Cierva Autogiro Company in England in 1928, in association with Avro (which designated it...

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...

4 Cierva C.6 Cierva C.8 Cierva C.9 Cierva C.12 Cierva C.17 Cierva C.19 Cierva C.24 Cierva Air Horse Cierva W.9 Cierva CR Twin George Galdorisi (2008)...

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.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...

[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...

Lockheed Y1C-17 Vega, a six-passenger monoplane Cierva C.17, a 1928 English experimental autogyro C-17 highway (Spain) also known as Eix del Congost, a...

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.29 was a five-seat British cabin autogyro built in 1934 as a joint venture between Westland Aircraft and Cierva. The rotor system and rotors...