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D.21
Argentine Dewoitine D.21
General information
Type	Fighter
Manufacturer	Dewoitine
History
First flight	1925

TheDewoitine D.21 was a 1920sFrench open-cockpit, fixed-undercarriage,parasol wingedmonoplanefighter aircraft.

Theprototype D.21 was a development of theD.12. The aircraft was license-built in Switzerland (byEKW), Czechoslovakia (bySkoda and known as theSkoda-Dewoitine D.1) and Argentina (byFMA). One Turkish D.21 was fitted with a modified wing and namedOrhanelli.

Argentina bought seven French-built D.21s, and built another 38 under license byFMA from 1929 to 1932. The type remained in service until 1941.^[1] Turkey bought a number, and Czechoslovakia built 25 for their air force.^[2]

D.21 C.1

French Production version, license-built inArgentina andTurkey.

Skoda D.1

Licence manufacture of the Dewoitine D.21 inCzechoslovakia bySkoda;(26 built - included in D.9 total). Škoda L was a licence-builtHispanio Suiza HS-50. Armament only 2 × 7.7 mm (0.303 in)Vickers machine-guns

 Argentina

• Army Aviation Service
• Argentine Naval Aviation

 Czechoslovakia

• Gendarmerie (Czechoslovakia)

Paraguay

• Paraguayan Air Force

 Switzerland

 Turkey

• Turkish Air Force

Data from Jane's all the World's Aircraft 1928,^[3] The encyclopedia of world aircraft^[2]

General characteristics

• Crew: 1
• Length: 7.925 m (26 ft 0 in)
• Wingspan: 12.8 m (42 ft 0 in)
• Height: 3.32 m (10 ft 11 in)
• Wing area: 25 m² (270 sq ft)
• Empty weight: 1,090 kg (2,403 lb)
• Gross weight: 1,590 kg (3,505 lb)
• Fuel capacity: 250 kg (550 lb) (ca. 175 L (46 US gal; 38 imp gal))
• Powerplant: 1 ×Hispano-Suiza 12Gb W-12 water-cooled piston engine, 370 kW (500 hp)
• Propellers: 2-bladed fixed pitch propeller

Performance

• Maximum speed: 267 km/h (166 mph, 144 kn) at sea level
  

262 km/h (163 mph; 141 kn) at 2,000 m (6,600 ft)

258 km/h (160 mph; 139 kn) at 3,000 m (9,800 ft)

254 km/h (158 mph; 137 kn) at 4,000 m (13,000 ft)

250 km/h (160 mph; 130 kn) at 5,000 m (16,000 ft)

• Range: 400 km (250 mi, 220 nmi)
• Service ceiling: 8,991 m (29,498 ft)
• Rate of climb: 10 m/s (2,000 ft/min)
• Time to altitude: 4,000 m (13,000 ft) in 8 minutes 4 seconds
  

5,000 m (16,000 ft) in 11 minutes 17 seconds

• Wing loading: 63.6 kg/m² (13.0 lb/sq ft)
• Power/mass: 0.2694 kW/kg (0.1639 hp/lb)

Armament

• Guns: 2 × fuselage-mounted synchronised 7.7 mm (0.303 in)Vickers machine-guns and 2 × wing-mounted 7.5 mm (0.295 in)Darne machine-guns in the centre section (optional)

Related development

• Dewoitine D.25

Related lists

• List of Interwar military aircraft

Wikimedia Commons has media related toDewoitine D.21.

• Bellomo, Sergio (May 2000). "Les Dewoitine D.21 et D.25 de l'Armée argentine" [The Dewoitine D.21s and D.25s of the Argentine Army].Avions: Toute l'Aéronautique et son histoire (in French) (86):50–52.ISSN 1243-8650.
• Cortet, Pierre (July 1997). "Les premièrs chasseurs de Emile Dewoitine (5ème partie)".Avions: Toute l'Aéronautique et son histoire (in French) (52):30–37.ISSN 1243-8650.
• Magnusson, Michael (Winter 2007). "FMA : from 1945: The Story of Fabrica Militar de Aviones, Argentina: Part 1".Air-Britain Archive. pp. 155–158.ISSN 0262-4923.
• Nunez Padin, Jorge Felix (May 1995). "Les Dewoitine D.21 de la Marine argentine" [The Dewoitine D.21 in the Argentine Navy].Avions: Toute l'Aéronautique et son histoire (in French) (26):36–42.ISSN 1243-8650.
• Taylor, John W. R.; Alexander, Jean (1969).Combat aircraft of the world. London: Ebury P.; Michael Joseph.ISBN 0-71810-564-8.

• Sebastian Sequeira, Carlos Cal y Cecilia Calatayud.Aviación Naval Argentina. SS&CC ediciones, Buenos Aires, 1984.ISBN 950-9064-02-5(Spanish)

• Dewoitine D.21, AMILARG - Aviacion Militar Argentina (Spanish) Accessed 2023-03-31
• CAZA BOMBARDEROS DE LA AVIACION NAVAL: DEWOITINE D-21 - HISTARMAR (Spanish) Accessed 2023-04-01

• 1920s French fighter aircraft
• Dewoitine aircraft
• Parasol-wing aircraft
• Single-engined tractor aircraft
• Aircraft first flown in 1925

• Articles needing additional references from June 2014
• All articles needing additional references
• Commons category link is on Wikidata
• CS1 French-language sources (fr)