Dewoitine D.520 Technical Specifications
Service Year: 1939
Type: Fighter Aircraft
National Origin: France
Manufacturer(s): Dewoitine - France
Production Total: 881
Structural (Crew Space, Dimensions and Weights)
Operating Crew (Typical): 1
Overall Length: 28.74 feet (8.76 meters)
Overall Width: 33.46 feet (10.20 meters)
Overall Height: 8.40 feet (2.56 meters)
Weight (Empty): 4,612 lb (2,092 kg)
Weight (MTOW): 6,151 lb (2,790 kg)
Installed Power and Standard Day Performance
Propulsion: 1 x Hispano-Suiza 12Y-45 12-cylinder V-type engine developing 930 horsepower.
Maximum Speed: 336 mph (540 kph; 292 knots)
Maximum Range: 957 miles (1,540 km)
Service Ceiling: 36,089 feet (11,000 meters; 6.84 miles)
Armament / Mission Payload
1 x 20mm HS 404 cannon in nose
4 x 7.5mm machine guns in wings
Global Operators / Customers
Bulgaria; France (Free France / Vichy France); Nazi Germany; Kingdom of Italy; Romania
Model Variants (Including Prototypes)
D520.1 - Prototype Model Designation; initial prototype fitted with Hispano-Suiza 12Y-21 inline engine; additional prototypes features slight modifications to various design elements including the canopy and wing; second prototype fitted with Hispano-Suiza 12Y-51 engine; third prototype fitted with Hispano-Suiza 12Y-31 engine of 890 horsepower.
D.520 - Main Series Designation; fitted with either Hispano-Suiza 12Y-45 or Hispano-Suiza 12Y-49 engines of 920 horsepower.
D.524 - Experimental Variant; fitted with Hispano-Suiza 12Y-89 engine of 1,200 horsepower.