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<!– This article is a part of [[Wikipedia:WikiProject Aircraft]]. Please see [[Wikipedia:WikiProject Aircraft/page content]] for recommended layout. –>
{|{{Infobox Aircraft Begin
| name=LeO H-43
| image=
| caption=
}}{{Infobox Aircraft Type
| type=Reconnaissance seaplane
| national origin=France
| manufacturer=[[Lioré et Olivier]]
| designer=
| first flight=4 December 1934
| introduced=
| retired=
| status=
| primary user=[[Aéronavale]]
| number built=
| developed from=
| variants with their own articles=
}}
|}

The ”’Lioré et Olivier LeO H-43”’ was a reconnaissance seaplane produced in France in the 1930s.<ref name=’Jane’s ‘>Taylor 1989, 580</ref> It was a strut-braced, mid-wing monoplane of largely conventional design, provided with an observation balcony underneath the fuselage.<ref name=’WAIF’>”World Aircraft Information Files, File 900 Sheet 08</ref> It was designed to be launched by catapult from warships, and after a first flight in 1934, trails of this nature were conducted on board ”[[Commandant Teste]]”.

Development was prolonged and the prototype underwent much modification before an order for 20 machines was placed by the [[Aéronavale]]. Even after this, a major redesign to the forward fuselage was specified as part of the production order.<ref name=’WAIF’ /> As a result, the first test flight of the production version did not take place until 13 July 1939, by which time the H-43 was already obsolete.<ref name=’WAIF’ /><ref name=’Jane’s’ />

The twenty examples purchased briefly equipped two squadrons from February 1940, but all were withdrawn with the Fall of France.

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<!– ==Operational history== –>
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==Operators==
* ”’France”’
** ”[[Aéronavale]]
*** [[Escadrille 3S1]]
*** [[Escadrille 3S5]]

==Specifications==
{{aerospecs
|ref=<!– reference –>
|met or eng?=<!– eng for US/UK aircraft, met for all others. You MUST include one or the other here, or no specifications will show –>met

|crew=Three
|capacity=
|length m=11.00
|length ft=36
|length in=1
|span m=16.00
|span ft=52
|span in=6
|swept m=<!– swing-wings –>
|swept ft=<!– swing-wings –>
|swept in=<!– swing-wings –>
|rot number=<!– helicopters –>
|rot dia m=<!– helicopters –>
|rot dia ft=<!– helicopters –>
|rot dia in=<!– helicopters –>
|dia m=<!– airships etc –>
|dia ft=<!– airships etc –>
|dia in=<!– airships etc –>
|width m=<!– if applicable –>
|width ft=<!– if applicable –>
|width in=<!– if applicable –>
|height m=3.85
|height ft=12
|height in=8
|wing area sqm=36.0
|wing area sqft=387
|swept area sqm=<!– swing-wings –>
|swept area sqft=<!– swing-wings –>
|rot area sqm=<!– helicopters –>
|rot area sqft=<!– helicopters –>
|volume m3=<!– lighter-than-air –>
|volume ft3=<!– lighter-than-air –>
|aspect ratio=<!– sailplanes –>
|wing profile=<!– sailplanes –>
|empty weight kg=1,760
|empty weight lb=3,870
|gross weight kg=3,375
|gross weight lb=7,425
|lift kg=<!– lighter-than-air –>
|lift lb=<!– lighter-than-air –>

|eng1 number=1
|eng1 type=[[Hispano-Suiza 9V]]b
|eng1 kw=<!– prop engines –>480
|eng1 hp=<!– prop engines –>650
|eng1 kn=<!– jet/rocket engines –>
|eng1 lbf=<!– jet/rocket engines –>
|eng1 kn-ab=<!– afterburners –>
|eng1 lbf-ab=<!– afterburners –>
|eng2 number=
|eng2 type=
|eng2 kw=<!– prop engines –>
|eng2 hp=<!– prop engines –>
|eng2 kn=<!– jet/rocket engines –>
|eng2 lbf=<!– jet/rocket engines –>
|eng2 kn-ab=<!– afterburners –>
|eng2 lbf-ab=<!– afterburners –>

|max speed kmh=222
|max speed mph=139
|max speed mach=<!– supersonic aircraft –>
|cruise speed kmh=<!– if max speed unknown –>
|cruise speed mph=<!– if max speed unknown –>
|stall speed kmh=<!– aerobatic and STOL aircraft –>
|stall speed mph=<!– aerobatic and STOL aircraft –>
|range km=850
|range miles=530
|endurance h=<!– if range unknown –>
|endurance min=<!– if range unknown –>
|ceiling m=6,200
|ceiling ft=20,300
|g limits=<!– aerobatic aircraft –>
|roll rate=<!– aerobatic aircraft –>
|glide ratio=<!– sailplanes –>
|climb rate ms=
|climb rate ftmin=
|sink rate ms=<!– sailplanes –>
|sink rate ftmin=<!– sailplanes –>

|armament1=2 × machine guns
|armament2
|armament3=
|armament4=
|armament5=
|armament6=
}}
<!– ==See also== –>
{{aircontent
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|see also=
|related=<!– related developments –>
|similar aircraft=<!– similar or comparable aircraft –>
|lists=<!– related lists –>
}}

==Notes==
{{reflist}}

==References==
* {{cite book |last= Taylor |first= Michael J. H. |title=Jane’s Encyclopedia of Aviation |year=1989 |publisher=Studio Editions |location=London |pages= }}
* {{cite book |title=World Aircraft Information Files |publisher=Bright Star Publishing|location=London |pages= }}
<!– ==External links== –>

{{Lioré et Olivier aircraft}}
{{Aviation lists}}

[[Category:French military reconnaissance aircraft 1930-1939]]
[[Category:Seaplanes and flying boats]]
[[Category:Lioré et Olivier aircraft]]