Автожиры и вертолеты Cierva
Cierva
C.1
1920
Cierva
C.2
1921
Cierva
C.3
1922
Cierva
C.4
1923
Cierva
C.6
1924
Cierva
C.8
1926
Cierva
C.17
1928
Cierva
C.19
1931
Cierva
C.24
1931
Cierva
C.30
1934
Cierva
C.40
1937