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France / Interwar / World War II

Lioré et Olivier LeO 451

A modern French twin-engine medium bomber developed in the late 1930s for the Armée de l’Air.

Archive ID: afm_0000138
Lioré et Olivier LeO 451, shown in the selected representative source image.Anonymous / San Diego Air & Space Museum Archives / Wikimedia Commons · Public domain / no known copyright restrictionsImage source

A modern French twin-engine medium bomber developed in the late 1930s for the Armée de l’Air.

Primary roleBomber
First flight1937
OriginFrance
ManufacturerLioré et Olivier
Documented variants1
Crew modeCrewed
AirframeFixed Wing

Development

Lioré et Olivier LeO 451 was developed by Lioré et Olivier in France as a bomber. The family first flew in 1937. Its recorded airframe configuration is fixed wing, with the family classified in the archive as core combat-aircraft scope.

Operational History

Operationally, Lioré et Olivier LeO 451 is represented primarily in the bomber role. The sourced variant records include service with Armée de l’Air. The current structured record does not attach a specific conflict authority to this family; operational context remains limited to sourced service and role data. Role tags attached to the family include tactical bomber.

Variants and Lineage

Major variants represented in the structured record include LeO 451.

Variants

DesignationTypeRoleRecorded operators
LeO 451ProductionBomberArmée de l’Air

Sources and further reading

Structured references supporting this aircraft family, variants, specifications, and narrative sections.

  1. French Aircraft 1939-1942 — Histoire & Collections · Tier 3