_AN1179012.jpg)
5 photos from Wikimedia Commons · credits & licences
- 1. Cierva-Duxford: User Asterion on en.wikipedia· CC BY 2.5
- 2. Avro 671 Rota: Mike Freer - Touchdown-aviation· GFDL 1.2
- 3. Cierva C-30 Autogyro on display at Fantasy of Flight: Netweave· CC BY-SA 3.0
- 4. Cierva C.30a G-ACUU Rearsby 02.06.51 edited-5: RuthAS· CC BY-SA 3.0
- 5. Juan de la Cierva in C.30: Unknown author Unknown author· Public domain
what is 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) as the Avro 671, Lioré-et-Olivier as the LeO C.301, and Focke-Wulf.
How to recognise it: 1 piston engine · 11.3 m main rotor
base stats
Bars compare against all aircraft: 3,500 km/h, 20,000 km, 850 seats; size and number built on a log scale up to 640 t (An-225) and 45,000 built (Cessna 172).
fun facts
- First flew 93 years ago, in 1933.
- Rotor of 11.3 m: about 3 cars parked nose to tail.
piston: A car-like piston engine turning a propeller: simple and cheap, the classic small plane.
spec sheet
- first flight
- 1933
- introduced
- 1934
- number built
- 148
- role
- autogyro
- makers
- Avro
- engines
- 1× Armstrong Siddeley Genet Major IA
- crew
- 1
- passengers
- 1
- length
- 6 m
- rotor diameter
- 11.3 m
- height
- 3.4 m
- max take-off weight
- 726 kg
- top speed
- 177 km/h
- cruise speed
- 153 km/h
- range
- —
Specs are for the version in the Wikipedia article's specification section. Blank means the sources don't say.
Sources: Wikidata Q564157, Wikipedia: Cierva C.30 (CC BY-SA 4.0).Updated 2026-10-24.