Lioré Et Olivier LeO 20
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The Lioré et Olivier LeO 20 was a French night-bomber aircraft built by
Lioré et Olivier Lioré-et-Olivier was a French manufacturer of aircraft of the 20th century, founded in 1912 by Fernand Lioré and Henri Olivier. History The ''Société de Constructions Aéronautiques d'hydravions Lioré-et-Olivier'' had three factories, loca ...
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Development

The LeO 20 was a development of the LeO 122 prototype. It won the 1926 French ministry competition for a new night-bomber, and received an order for 50 aircraft. The first were delivered at the end of 1926 and flight tested at Villacoublay in 1927. A total of 311 aircraft were delivered to the French air arm, ending in December 1932.


Variants

;LeO 20:twin-engine night bomber with
Gnome-Rhône 9A The Bristol Jupiter was a British nine-cylinder single-row piston radial engine built by the Bristol Aeroplane Company. Originally designed late in World War I and known as the Cosmos Jupiter, a lengthy series of upgrades and developments turn ...
dy engines (320 built) ;LeO 201:re-designation for parachute trainers converted from LeO 20 ;LeO 203:four-engine version with
Gnome-Rhône 7K The Gnome-Rhône 7K Titan Major was a seven-cylinder 370 hp (270 kW) air-cooled radial engine, that started life as an enlarged Gnome-Rhône 5K with two extra cylinders. Development The Gnome-Rhône 5K was itself a licensed version of ...
b engines ;LeO H-20/4:floatplane version of LeO 203 ;LeO 206:production version of LeO 203 with revised nose, ventral "balcony" and tail gun (37 built) ;LeO 207:similar to LeO 206 but with different nose and smaller "balcony" (3 built) ;LeO 208:similar to LeO 20 but with enclosed cabin and Gnome-Rhône 14Mrs engines


Operators/Units using this aircraft

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French Air Force The French Air and Space Force (AAE) (french: Armée de l'air et de l'espace, ) is the air and space force of the French Armed Forces. It was the first military aviation force in history, formed in 1909 as the , a service arm of the French Army; ...
** 21st Regiments d'Aviation ** 22nd Regiments d'Aviation ** 12th Regiments d'Aviation ** 34th Regiments d'Aviation ** Aeronautique Militaire School *
French Navy The French Navy (french: Marine nationale, lit=National Navy), informally , is the maritime arm of the French Armed Forces and one of the five military service branches of France. It is among the largest and most powerful naval forces in t ...
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Royal Romanian Air Force The Air Force branch of the Royal Romanian forces in World War II was officially named the (ARR), or the Romanian Royal Aeronautics, though it is more commonly referred to in English histories as the (Royal Romanian Air Force, FARR), or simply ( ...


Specifications (LeO 20)


See also


References

{{DEFAULTSORT:Liore et Olivier LeO 20 1920s French bomber aircraft 20 Biplanes Twin piston-engined tractor aircraft Aircraft first flown in 1927