Bre.521 file photo [32623]

Bre.521 Bizerte

ManufacturerSociété des Ateliers d'Aviation Louis Bréguet
Primary RoleSeaplane
Maiden Flight11 September 1933


ww2dbaseAfter buying a Short S.8 Calcutta and building four more under license, French manufacturing firm Bréguet developed its own version as the Bre.521 Bizerte. The prototype made its maiden flight during September 1933 and the type entered service in 1935. By the outbreak of World War II the French Naval Air Service had twenty-seven of these flying boats in service with four squadrons. This eight-seat maritime reconnaissance bomber was powered by three 900-hosepower Gnome-Rhône Mistral Major radial engines, and could carry an external load of 300 kilograms of bombs. Defensive armament consisted of five 7.5-millimetre machine-guns mounted singly in the tail, port and starboard forward positions and port and starboard waist positions. With the fall of France in mid-1940 the aircraft were transferred to Vichy units and when the Germans occupied Vichy France, in 1942, eight aircraft were seized for German Air Force (German: Luftwaffe) use in the air-sea rescue role.

Chris Chant: Aircraft of World War II (Dempsey-Parr, 1999)
World Aircraft Information Files 890/81 (Aerospace Publishing Periodical)
Wikipedia: Bréguet 521 Bizerte

Last Major Revision: Jun 2023

Bre.521 Bizerte Timeline

11 Sep 1933 Bre.521 Bizerte aircraft took its first flight.


Bre.521 Bizerte
MachineryThree 900hp Gnome-Rhône 14 Kirs or 14N-11 radial piston engines
Armament5x7.5mm Darne machine guns, 300kg of bombs
Span35.15 m
Length20.48 m
Height7.48 m
Wing Area162.60 m²
Weight, Empty8,470 kg
Weight, Loaded16,600 kg
Speed, Maximum243 km/h
Speed, Cruising164 km/h
Service Ceiling6,000 m
Range, Normal3,000 km


Bre.530 Saigon aircraft, 1932Bre.521 aircraft in flight during a military review, Brest, France, 1936Bre.521 aircraft, circa 1936Bre.521 aircraft at rest, date unknown

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