Lioré et Olivier LeO 7

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Lioré et Olivier 7
Role Bomber escort biplane
Manufacturer Lioré et Olivier
First flight 1922
Primary users French Air Force
French Navy
Number built 39

The Lioré et Olivier LéO 7 was a French bomber escort biplane designed and built by Lioré et Olivier for the French Air Force.

Design and development[edit]

The LéO 7 was three-seat bomber escort biplane developed from the LéO 5 ground-attack biplane. Appearing in 1922 the production version (the LéO 7/2) had a wide-track landing gear and gunner's cockpits in the snub nose and amidships. The pilot was located in a cockpit just behind the wing trailing edge.[1]

Operational history[edit]

Twenty LéO 7/2s were built followed by 18 LéO 7/3s which were a navalised version with increased wingspan.


LéO 7
LéO 7/2
Production version for the Armée de l'Air (French Air Force), 20 built
LéO 7/3
Production version for the Aéronautique Navale (French Naval Aviation), 18 built.



Specifications (LéO 7/2)[edit]

Data from The Illustrated Encyclopedia of Aircraft[2]

General characteristics

  • Crew: 3 (pilot and two gunners)
  • Length: 11 m (38 ft 0.75 in)
  • Wingspan: 18.59 m (60 ft 11¾ in)
  • Height: 3.9 m (13 ft 2.25 in)
  • Wing area: 68 m2 ( ft2)
  • Powerplant: 2 × Hispano-Suiza 8Fb V-8 engines, 223 kW (300 hp) each


  • Maximum speed: 190 km/h (118 mph)
  • Service ceiling: 7,010 m (23,000 ft)


  • 400kg (882lb) bombs



  1. ^ Taylor and Alexander 1969, pp. 97-98.
  2. ^ The Illustrated Encyclopedia of Aircraft (Part Work 1982-1985). London: Orbis Publishing, 1985. p. 2320.


  • Taylor, John W. R. and Jean Alexander. Combat Aircraft of the World. New York: G.P. Putnam's Sons, 1969. ISBN 0-71810-564-8.
  • Taylor, Michael J. H. Jane's Encyclopedia of Aviation. London: Studio Editions, 1989. ISBN 0-517-69186-8.