Caudron C.520 Simoun VI

In 1934, at the Paris Air Show, the Société des Avions Caudron company presented the Caudron C.520 Simoun VI, a light multi-purpose aircraft. It was a four-seater cantilever low-wing monoplane, equipped with a 170 hp six-cylinder Renault Bengali 6Q-06 (6Pfi) engine.
Innovative Design Features
The aircraft, which was developed based on the C.500, featured separate comfortable passenger seats, three large portholes on each side, and a very practical windshield.
The C.520 boasted an all-metal construction, which provided it with additional strength, thereby making its operation very reliable and practical. An increased fuel capacity allowed the aircraft to undertake longer flights.
A Prototype’s Enduring Legacy
The Caudron C.520 Simoun VI did not enter series production, remaining as a single example (F-ANCC). Nevertheless, its further refinement led to the development of an entire successful family of aircraft, the Caudron C.630 Simoun.
Technical Specifications
| Modification | C.520 |
| Wingspan, m | 10.40 |
| Aircraft length, m | 8.66 |
| Wing area, m2 | 16.00 |
| Empty weight | 650 |
| Maximum takeoff weight | 1230 |
| Engine type | 1 Piston engine Renault Bengali 6Q-06 |
| Power, hp | 1 x 170 |
| Maximum speed, km/h | 300 |
| Cruising speed, km/h | 270 |
| Practical range, km | 1350 |
| Practical ceiling, m | 6000 |
| Crew, crew members | 1 |
| Payload | up to 3 passengers |
Image and diagram gallery of the Caudron C.520 Simoun VI
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ArchivoAéreo Editorial Team
A group of aviation researchers and enthusiasts dedicated to documenting and preserving global aeronautical history. All articles are reviewed to ensure historical accuracy.
Sources & Accuracy
The information presented in this technical sheet has been compiled from declassified flight manuals, historical archives, and specialized literature. While we strive for maximum accuracy, some performance data may vary depending on the specific variant or operational conditions.





