The C.40 was the last autogiro designed by the Cierva company, following the death of Cierva in 1936 the C.40 was designed by J.A.J Bennett and based on the earlier Cierva C.30.
The C.40 was the last autogiro. This was following the death of Cierva in 1936. This was what the C.40 was designed by J.A.J Bennett. This last autogiro was designed by the Cierva company. This was following the death of Cierva in 1936. The C.40 was the last autogiro. This was following the death of Cierva in 1936. The C.40 was based on the earlier Cierva C.30 the last autogiro. This last autogiro was designed by the Cierva company. This was following the death of Cierva in 1936.