The Caudron Simoun was a 1930s French four-seat touring monoplane. It was used as a mail plane by Air Bleu, flew record-setting long-range flights, and was also used as a liaison aircraft by the Armée de l'Air during World War II.
C.500 Simoun I
Experimental, one built.
C.520 Simoun
Experimental, one built.
C.620 Simoun IV
Experimental, one built.
C.630 Simoun
Initial production version with Renault Bengali 6Pri engine, 20 built.
C.631 Simoun
Modified version with a Renault 6Q-01 engine, three built.
C.632 Simoun
Similar to C.631, one built.
C.633 Simoun
Modified fuselage with a Renault 6Q-07 engine, 6 built.
C.634 Simoun
Modified wing and take-off weight with either a Renault 6Q-01 or Renault 6Q-09 engine, 3 built.
C.635 Simoun
Improved cabin layout and either a Renault 6Q-01 or Renault 6Q-09 engine, 46 built and conversions from earlier versions.
C.635M Simoun
Military version with either a Renault 6Q-09 or Renault 6Q-19 engine, 489 built.
Belgium
Belgian Air Force
France
Air Bleu
Armée de l'Air
Aeronavale
Germany
Luftwaffe (small numbers)
Kingdom of Hungary
Hungarian Air Force
United Kingdom
Royal Air Force
No. 267 Squadron RAF
United States
United States Navy
General characteristics
Crew: 1-2: pilot and (optional) co-pilot
Capacity: 2 passengers
Length: 9.10 m (29 ft 10 in)
Wingspan: 10.4 m (34 ft 2 in)
Height: 2.3 m (7 ft 7 in)
Wing area: 16 m² (170 ft²)
Empty weight: 755 kg (1,660 lb)
Max. takeoff weight: 1,380 kg (3,040 lb)
Powerplant: 1 × Renault 6Q-09 six-cylinder inverted inline engine air-cooled piston engine, 220 hp (160 kW)
Performance
Maximum speed: 300 km/h (160 knots, 190 mph)
Range: 1,500 km (810 nm, 930 mi)
Service ceiling: 6,000 m (20,000 ft)
