The Cierva C.25 was a British 1930s single-seat autogiro produced by

Comper Aircraft Company The Comper Aircraft Company Ltd was a 1930s British light aircraft manufacturer. It was based at Hooton Aerodrome, Cheshire (1929–1933), and Heston Aerodrome, Middlesex (1933–1934). History In April 1929, after leaving the Royal Air Force ...

Ltd of Hooton Park, Cheshire.

Design and development

The sole C.25, based on the airframe of the

Comper Swift The Comper C.L.A.7 Swift is a British single-seat sporting aircraft designed and produced by the Comper Aircraft Company. It was the company’s first aircraft. The Swift was designed shortly after Nicholas Comper’s departure from the Royal A ...

with modified tailfins and short low-mounted wings, received the civil registration ''G-ABTO''. It was the first autogiro to use the

Pobjoy Cataract A cataract is a cloudy area in the lens of the eye that leads to a decrease in vision of the eye. Cataracts often develop slowly and can affect one or both eyes. Symptoms may include faded colours, blurry or double vision, halos around light, ...

7-cylinder geared radial engine.

Specifications

References

{{Cierva aircraft C.25 Autogyros Single-engined tractor autogyros Low-wing aircraft 1930s British experimental aircraft Aircraft first flown in 1933 Comper aircraft