Cierva C.25

The Cierva C.25 was a British 1930s single-seat autogiro produced by Comper [Aircraft Company] Ltd of Hooton Park, Cheshire.

Design and development

The sole C.25, based on the airframe of the Comper Swift with modified tailfins and short low-mounted wings, received the civil registration G-ABTO. It was the first autogiro to use the Pobjoy Cataract 7-cylinder geared radial engine.