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Lioré et Olivier LeO H-22

From Wikipedia, the free encyclopedia

LeO H-22
Role mail transport flying boat
National origin France
Manufacturer Lioré et Olivier
First flight 1931
Number built 1

The Lioré et Olivier LeO H-22 was a French amphibian, primarily intended for aerial mail transport.


The LeO H-22 was a flying boat with a three part cantilever high wing, primarily of both wood and metal construction. The Gnome-Rhône 5Bc 5-cylinder radial engine, driving apusherpropeller, was mounted in a streamlined nacelle, supported on struts, over the wing centre-section.

The LeO H-221 three-seat trainer flying boat, derived from the H-22, differed in cockpit arrangement and was powered by a 230 hp (170 kW) Salmson 9Ab 9-cylinder radial engine, also driving a pusher propeller.


Airmail transport amphibian, Gnome-Rhône 5Bc 5-cylinder radial .
Trainer amphibian, Salmson 9Ab 9-cylinder radial.


Data from [1]

General characteristics

  • Crew: 2
H-221 3
  • Length: 10.70 m (35 ft 1 in)
  • Wingspan: 15.94 m (52 ft 4 in)
  • Height: 3.85 m (12 ft 8 in)
  • Wing area: 33 m2 (360 sq ft)
  • Empty weight: 1,234 kg (2,721 lb)
H-221 1,278 kg (2,818 lb)
  • Gross weight: 1,800 kg (3,968 lb)
H-221 1,773 kg (3,909 lb)
  • Powerplant: 1 × Gnome-Rhône 5Bc 5-cylinder air-cooled radial engine, 170 kW (230 hp)
H-221 1 x Salmson 9Ab 9-cylinder air-cooled radial engine 230 hp (170 kW)
  • Propellers: 2-bladed fixed pitch pusher propeller


  • Maximum speed: 175 km/h (109 mph, 94 kn) at ground level
  • Range: 600 km (370 mi, 320 nmi)


  1. ^ "Lioré et Olivier LeO H-22 - Amphibie de transport postal - Un siècle d'aviation française". 2016-11-08. Retrieved 2019-01-31. CS1 maint: discouraged parameter (link)

Further reading

This page was last edited on 8 April 2021, at 03:19
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