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{|{{Infobox aircraft begin
| name=MB.35 ''Passe Partout''
| image=Besson MB.35 Les Ailes April 22, 1926.jpg
| caption=
}}{{Infobox aircraft type
| type=observation floatplane
| national origin=[[France]]
| manufacturer=[[Besson (aircraft)|Besson]]
| designer=[[Marcel Besson]]
| first flight=1926<ref name="BTS">{{cite book |last= Sharpe |first= Michael |title=Biplanes, Triplanes, and Seaplanes |year=2000 |publisher=Friedman/Fairfax Books |location=London |pages= 80|isbn=1-58663-300-7}}</ref>
| introduced=
| retired=
| status=
| primary user=[[French Navy]]
| number built=2
| developed from=
| variants with their own articles=[[Besson MB.411]]
}}
|}

The '''Besson MB.35 ''Passe Partout''''' was a French two-seat spotter and observation floatplane, designed by [[Besson (aircraft)|Besson]]. It was intended to serve on [[French submarine Surcouf|''Surcouf'']] a very large (for its day) submarine, stowed in a sealed hangar.<ref name="BTS"/> The first aircraft was destroyed during trials and the second was converted to the MB.41, prototype of the [[Besson MB.411]], which did serve on ''Surcouf''.<ref name="Treadwell">{{cite book|last1=Heinemann|first1=with a foreword by Ed.|last2=Treadwell|first2=Terry C.|title=Submarines with wings : the past, present and future of aircraft-carrying submarines|date=1985|publisher=Conway Maritime Press|location=London|isbn=0851773699|pages=75–83, 113}}</ref>




==Operators==
;{{FRA}}
*[[French Navy]]


==Specification (MB.35)==
[[File:Besson_MB.35_3-view_L'Air_December_1,1926.png|thumb|Besson MB.35 3-view drawing from L'Air December 1, 1926]]
{{Aircraft specs
|ref=Jane's all the World's Aircraft 1928,<ref name=JAWA1928>{{cite book |title=Jane's all the World's Aircraft 1928 |editor1-last=Grey |editor1-first=C.G. |year=1928 |publisher=Sampson Low, Marston & company, ltd |location=London |pages=113c-114c}}</ref> Biplanes, Triplanes, and Seaplanes,<ref name="BTS"/> Submarines with wings : the past, present and future of aircraft-carrying submarines<ref name="Treadwell"/>
|prime units?=met

|crew=2
|length m=7.3
|length note=wings spread
|span m=9.85
|span note=wings spread
|dia m=
|dia ft=
|dia in=
|dia note=
|width m=2.2
|width note=wings folded for submarine stowage<br>
*'''Length folded:''' {{cvt|6.5|m}}
|height m=2.53
|wing area sqm=16.5
|aspect ratio=
|airfoil=
|empty weight kg=540
|gross weight kg=765
|max takeoff weight kg=
|max takeoff weight lb=
|max takeoff weight note=
|fuel capacity=
|more general=

|eng1 number=1
|eng1 name=[[Salmson 9AC]]
|eng1 type=9-cylinder air-cooled radial piston engine
|eng1 hp=120

|prop blade number=2
|prop name=fixed pitch propeller
|prop dia m=
|prop dia ft=
|prop dia in=
|prop dia note=

|max speed kmh=160
|cruise speed kmh=
|cruise speed mph=
|cruise speed kts=
|cruise speed note=
|stall speed kmh=
|stall speed mph=
|stall speed kts=
|stall speed note=
|never exceed speed kmh=
|never exceed speed mph=
|never exceed speed kts=
|never exceed speed note=
|range km=346
|combat range km=
|combat range miles=
|combat range nmi=
|combat range note=
|ferry range km=644
|ferry range note=with overload tank in rear cockpit
|endurance=
|ceiling m=4800
|g limits=
|roll rate=
|climb rate ms=
|climb rate ftmin=
|climb rate note=
|time to altitude=
|wing loading kg/m2=47.5
|fuel consumption kg/km=
|fuel consumption lb/mi=
|power/mass={{cvt|.0714|hp/lb|kW/kg|order=flip}}

|more performance=
}}

==References==
{{Commons category|Besson MB.35}}
{{Reflist}}

==Bibliography==
*{{cite journal |last1=Morareau|first1=Lucien|title=Courrier des Lecteurs|journal=Avions: Toute l'aéronautique et son histoire |date=March 2000 |issue=84 |pages=2–3 |trans-title= Readers' Letters |language=French |issn=1243-8650}}
*{{cite journal |last1=Passingham|first1=Malcolm|title=Les hydravions embarqués sur sous-marins |journal=Avions: Toute l'aéronautique et son histoire |date=February 2000 |issue=83 |pages=7–17 |trans-title=Submarine-carried Seaplanes |language=French |issn=1243-8650}}

[[Category:1920s French military reconnaissance aircraft]]
[[Category:Besson aircraft]]
[[Category:Low-wing aircraft]]
[[Category:Single-engined tractor aircraft]]
[[Category:Floatplanes]]

Besson MB.35 - Revision history

imported>Uli Elch: removed Category:Single-engine aircraft; added Category:Single-engined tractor aircraft using HotCat