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Amiot 143 The Amiot 143 was a French high-wing, multi-engined bomber and transport developed in the 1930s by the Société des Avions Amiot for the Armée de l'Air. Designed amid interwar rearmament and doctrinal debates following the Treaty of Versailles and lessons from the World War I air campaigns, it entered service during the early stages of the Second World War and participated in the Battle of France. The type was notable for its distinctive fixed landing gear, greenhouse nose, and use as both bomber and transport in operations tied to the Phony War and 1940 campaign.
The design emerged from requirements issued after studies influenced by figures including Marcel Bloch, Henri Potez, and services like the Service Technique de l'Aéronautique that sought heavy day bombers analogous to contemporaries from Handley Page and Junkers. The project was led by engineers at Société des Avions Amiot in response to specification competitions alongside designs by Breguet Aviation and Farman Aviation Works. Drawing on structural advances seen in aircraft such as the Avro 504 derivatives and lessons from Fokker transports, the prototype underwent trials at Clichy and later acceptance testing at Bordeaux under inspection by representatives of the Ministry of Air.
Initial construction used mixed materials similar to patterns from Hispano-Suiza engine installations and influenced by manufacturing practices at Société Nationale de Constructions Aéronautiques du Nord and Société Nationale des Constructions Aéronautiques du Centre. Political and industrial pressures, including procurement debates involving figures from the French Air Ministry and parliamentarians from Paris, affected production rates and numbers ordered by squadrons attached to commands such as Aéronautique Militaire.
The airframe featured a high-mounted wing with braced struts reminiscent of earlier Savoia-Marchetti layouts and a slab-sided fuselage with a glazed nose cabin comparable to contemporary Handley Page Hampden and Fairey Hendon designs. The Amiot used multiple Gnome-Rhône or Hispano-Suiza radial engines depending on batch, and its fixed undercarriage was supplemented by large spatted wheels similar in appearance to certain Polikarpov types. Defensive armament comprised manually operated turrets and gun positions influenced by doctrines championed by officers associated with the Directorate of Air.
Crew accommodations and avionics followed French practices of the era, with navigation equipment aligned to standards set by units from Région Aérienne commands and communication gear compatible with sets used by French Navy liaison aircraft. Payload and range were balanced to meet requirements set in competition with designs like the LeO 451 and Martin Maryland regarding strategic and tactical bombing roles.
The type saw frontline service with several escadrilles during the Phony War and the Battle of France in 1940, operating from bases in regions such as Orléans, Reims, and Amiens. Missions included night and day bombing raids, reconnaissance sorties, and later transport and evacuation flights reminiscent of improvisation seen across units such as Groupe de Bombardement formations. Losses during the 1940 campaign were influenced by encounters with fighters like the Messerschmitt Bf 109 and interceptors from units associated with the Luftwaffe.
Following the armistice and establishment of the Vichy France regime, some airframes were reassigned to roles under commands connected to colonial administrations in Morocco and Algeria, while others were interned or scrapped. Comparative performance limitations versus newer types such as the Martin 167 and LeO 451 curtailed its long-term frontline viability, but the aircraft continued in secondary roles, similar to conversions conducted with other interwar types by authorities at depots in Toulouse and Mont-de-Marsan.
Production and prototype variants mirrored development paths used by contemporaries like Breguet 521 and Bloch MB.210 families. Differences included powerplant choices—engines from Gnome-Rhône versus Hispano-Suiza—and internal fittings for bomber versus transport conversions as occurred with models in service transfer to colonial commands. Conversion programs paralleled efforts undertaken for aircraft such as the Potez 630 series, producing maintenance and logistical challenges overseen by ateliers in factories operated by Société des Ateliers d'Aviation Louis Breguet collaborators.
Primary operators were units of the Armée de l'Air during the late 1930s and early 1940s, including escadrilles and groupes attached to regional commands. After 1940, a small number served under administrations linked to Vichy French Air Force authorities and colonial air arms in Aéronavale adjacent services. Captured or interned examples occasionally fell under control of the Luftwaffe for evaluation, as with other seized French types examined at facilities tied to Reichsluftfahrtministerium testing programs.
No complete airframes survive in active museum display comparable to preserved examples of the LeO 451 or Breguet 19, but the aircraft's contributions are represented in archival photographs and documents housed in collections at institutions such as the Musée de l'Air et de l'Espace and municipal archives in Le Bourget. The design influenced later French approaches to multi-engine medium bombers and transport conversions, forming a link in development lines culminating in postwar types like designs from Société Nationale de Constructions Aéronautiques du Sud-Est and shaping doctrines revisited by planners at Centre d'Essais en Vol.
Category:1930s French bomber aircraft