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Lioré et Olivier LeO 7

model of biplane

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionNov 8, 2025
Entity authorityQ4450168 ↗
Source-derived summary

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

Design and development

The LeO 7 was three-seat bomber escort biplane developed from the LeO 5 ground-attack biplane. Appearing in 1922 the production version (the LeO 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.

Operational history

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

Variants

LeO 7

Prototype

LeO 7/2

Production version for the Armée de l'Air (French Air Force), 20 built

LeO 7/3

Production version for the Aéronautique Navale (French Naval Aviation), 18 built.

Operators

France

French Air Force

French Navy

Specifications (LeO 7/2)

Data from The Illustrated Encyclopedia of AircraftGeneral characteristics

Crew: 3 (pilot and two gunners)

Length: 11 m (38 ft 0.75 in)

Wingspan: 18.59 m (60 ft 11.75 in)

Height: 3.9 m (13 ft 2.25 in)

Wing area: 68 m2 (730 sq ft)

Powerplant: 2 × Hispano-Suiza 8Fb V-8 engines , 223 kW (300 hp) each

Performance

Maximum speed: 190 km/h (118 mph, 103 kn)

Service ceiling: 7,010 m (23,000 ft)

Armament

400kg (882lb) bombs

References

Notes

Bibliography

Hartmann, Gérard. Les Avions Lioré Et Olivier. Boulogne-Billancourt, France: ETAI. 2002. ISBN 2-7268-8607-8 (in French)

Taylor, John W. R. and Jean Alexander.

Editorial summary

“Lioré et Olivier LeO 7” enters the record as model of biplane. Crown Archives preserves that source wording while asking what Lioré, Olivier and model can confirm, complicate or overturn.

Editorial reviewA dependable orientation record for establishing vocabulary, names and a first evidence trail. The current lead gives the account dated anchors—1922, 2002—that can be checked directly. The selected authority fields contribute no independent date. Its strongest next move is a source search built around Lioré, Olivier and model.
Editorial analysis

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“Lioré et Olivier LeO 7” is worth following because a concise public description often conceals a longer documentary argument. Here, Lioré, Olivier and model provides the most credible route into that argument.

Evidence profile

The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Nov 8, 2025. The linked authority identifier is Q4450168. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1922 and 2002.

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Overview language is designed for orientation and should not be treated as a substitute for the evidence cited beneath it. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

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Source & attribution

This entry incorporates text from “Lioré et Olivier LeO 7” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.