# Utva-65

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{{short description|Type of aircraft}}
{{Infobox aircraft
| name                = Utva-65
| logo                = 
| logo_size           = 
| image               = Utva 65-S.jpg
| alt                 = 
| caption             = Utva-65-S in the aviation museum in Belgrade
| long_caption        = 
| other_names         = 
| aircraft_type       = [Agricultural aircraft](/source/Agricultural_aircraft)
| aim                 = 
| outcome             = 
| related             = 
| national_origin     = 
| manufacturer        = [Fabrika Aviona Utva](/source/Utva)
| design_group        = 
| designer            = B. Nikolic, M. Dabinovic and S. Cotič
| builder             = 
| issuer              = 
| status              = Retired
| owners              = 
| primary_user        = 
| more_users          = 
| service             = 
| major_applications  = 
| proposals           = 
| prototypes          = 
| number_built        = 69
| construction_number = 
| civil_registration  = 
| military_serial     = 
| radio_code          = 
| requirement         = 
| aircraft_carried    = 
| flights             = 
| total_hours         = 
| total_distance      = 
| construction_date   = 
| introduction        = 
| retired             = 
| first_flight        = 1965
| initiated           = 
| in_service          = 
| last_flight         = 
| expected            = 
| developed_from      = 
| variants            = 
| developed_into      = 
| preservation        = 
| fate                = 
| predecessors        = 
| successors          = 
| concluded           = 
}}

The '''Utva-65 Privrednik''' ('''Merchant''') is a [Yugoslav](/source/Socialist_Federal_Republic_of_Yugoslavia) civil aircraft designed and used for [agricultural work](/source/Agricultural_aircraft).<ref>{{Cite web|url=http://www.vazduhoplovnetradicijesrbije.rs/index.php/clanak/128-utva-65|title=Утва 65 Привредник|access-date=2013-05-08|archive-date=2016-08-17|archive-url=https://web.archive.org/web/20160817214947/http://www.vazduhoplovnetradicijesrbije.rs/index.php/clanak/128-utva-65|url-status=dead}}</ref>

==Design and development==
The Utva-65 was designed specifically as an agricultural aircraft. It was a single-seat, low-wing braced monoplane with a single engine.<ref>{{cite journal
	| url = http://www.flightglobal.com/pdfarchive/view/1965/1965%20-%201670.html
	| type = PDF
	| title = Sport and Business
	| journal = Flight International
	| page = 902
	| date = 10 June 1965
	| publisher = Reed Business Information
	| access-date = 29 January 2011
	| issn = 0015-3710
}}</ref>  The wings were essentially identical to those of the high-wing [UTVA-60](/source/UTVA-60) apart from the [wing root](/source/wing_root)s, which were extended and strengthened so that the [chord](/source/chord_(aircraft)) was greater and the wingspan increased by {{convert|0.82|m|ft}}<ref name="JAWA66">{{Harvnb|Taylor|1966|pages=367}}</ref> These wings were of single-spar, all-metal construction, carrying [aileron](/source/aileron)s that linked to the flaps, drooping 15 degrees when the flaps were set to 40 degrees.  A single streamlined strut ran from the upper fuselage to mid-wing on either side, with minor struts from them to the wing at about one-quarter span. The conventional all-metal tail surfaces were also from the UTVA-60, but had increased [elevator](/source/elevator_(aircraft)) area.<ref name="JAWA66"/>

The fuselage of the Utva-65 had a steel-tube structure, with metal skinning forward and below and fabric elsewhere.<ref name="JAWA66"/>  The single-seat pilot's cockpit was high and behind the trailing edge; combined with all-round [glazing](/source/glazing_(window)), this gave a good view and also increased fuselage space.  There was a {{convert|0.75|m3|cuft|adj=on|sp=us}} hopper for fertilizer, spray, etc. ahead of the cockpit.<ref>{{Harvnb|Green|1966|pages=250–1}}</ref> Standard spray bars could be fitted under the trailing edge. The undercarriage was of the [conventional tailwheel](/source/conventional_landing_gear) kind, with cantilever main legs angling outwards from the wing root.

At launch there were three choices of [engine](/source/Aircraft_engine), all [Lycoming](/source/Lycoming_Engines) six-cylinder [horizontally-opposed](/source/Flat_engine) [air-cooled](/source/Air-cooled_engine) types.  The GO-480-B1A6 produced 270&nbsp;hp (200&nbsp;kW), the geared GO-480-G1A6 290&nbsp;hp (216&nbsp;kW), and the IGO-540-B1A 350&nbsp;hp (260&nbsp;kW).<ref name="JAWA66"/>  A later variant of the Utva-65, the '''Utva-67''' (first flown in 1967), was similar, but had the eight-cylinder, 400{{nbhyph}}hp (298&nbsp;kW) [Lycoming IO-720-A1A](/source/Lycoming_IO-720) and a revised fuselage of greater capacity.  Its top speed was {{convert|295|km/h|mph|abbr=on}}.

==Operational history==
The Utva-65 was used in Yugoslavia by agricultural cooperatives for [pesticide](/source/pesticide) application and [mosquito control](/source/mosquito_control).  The [Algeria](/source/Algeria)n airline [Societé de Travail Aérien](/source/Societ%C3%A9_de_Travail_A%C3%A9rien) began operations in October 1968 using five Utva-65 aircraft for similar work.<ref>{{cite journal
	| url = http://www.flightglobal.com/pdfarchive/view/1971/1971%20-%200733.html
	| type = PDF
	| journal = Flight International
	| date = 4 May 1971
	| page = 644
	| title = World Airlines
	| issn = 0015-3710
	| access-date = 29 January 2011
	| publisher = Reed Business Information
}}</ref>

==Variants==
;Utva-65 Privrednik-GO
:Variant with a 295&nbsp;hp (220&nbsp;kW) Lycoming GO-480-G1A6.<ref name="Orbis">{{Harvnb |Orbis|1985 | p=3035}}</ref>
;Utva-65 Privrednik-IO
:Alternate variant with a 300&nbsp;hp (224&nbsp;kW) Lycoming IO-540-K1A5.<ref name="Orbis" />
;Utva-65 Super Privrednik-350
:1973 variant with a 350&nbsp;hp (261&nbsp;kW) Lycoming IO-540-A1C engine.<ref name="Orbis" />

==Operators==
;{{ALG}}
;{{YUG}}

==Aircraft on display==
;Serbia
* [Museum of Aviation (Belgrade)](/source/Museum_of_Aviation_(Belgrade)) in [Belgrade](/source/Belgrade)
A Utva-65 S is on display.
[http://www.aviationmuseum.eu/World/Europe/Serbia/Belgrade/Muzej_Ratnog_Vazduhoplovstva.htm]

==Specifications (Lycoming IGO-540-B1A)==
{{Aircraft specs
|ref=Jane's 1966–7 p.367<!-- reference -->
|prime units? = met<!-- eng for US/UK aircraft, met for all others. You MUST include one or the other here, or no specifications will show -->
|crew=1
|length m=8.46
|length ft=27
|length in=9
|span m=12.22
|span ft=40
|span in=1
|height m=2.60
|height ft=8
|height in=6.5
|wing area sqm=19.4
|wing area sqft=209
|empty weight kg=700
|empty weight lb=1,543
|gross weight kg=1,890
|gross weight lb=4,165
|eng1 number=1
|eng1 name=[Lycoming IGO-540-B1A](/source/Lycoming_O-540) six-cylinder horizontally-opposed
|eng1 kw=260<!-- prop engines -->
|eng1 hp=350<!-- prop engines -->
|max speed kmh=234
|max speed mph=145
|cruise speed kmh=192<!-- if max speed unknown -->
|cruise speed mph=119<!-- if max speed unknown -->
|stall speed kmh=76<!-- aerobatic and STOL aircraft -->
|stall speed mph=47<!-- aerobatic and STOL aircraft -->
|range km=620
|range miles=385
|range note=with 185 L fuel 
}}

==See also==
{{Aircontent
<!-- include as many lines are appropriate. additional lines/entries with carriage return. -->
|see also=
|related=<!-- related developments -->
|similar aircraft=
* [Piper Pawnee](/source/Piper_Pawnee)
* [Cessna 188](/source/Cessna_188)
<!-- similar or comparable aircraft -->
|lists=<!-- related lists -->
}}

==References==
{{commons category|Utva-65}}

===Notes===
{{Reflist|2}}

===Bibliography===
{{Refbegin}}
*{{Cite book |title= Observer's book of aircraft|last=Green |first= William |year= 1966|publisher=Frederick Warne|location= London}}
*{{Cite book |title= Jane's All the World's Aircraft 1966-67|last= Taylor |first= John W R |year=1966|publisher= Sampson Low, Marston & Co.|location= London}}
*{{Cite book |title= The Illustrated Encyclopedia of Aircraft (Part Work 1982–1985)|publisher= Orbis Publishing|ref={{harvid|Orbis|1985}}}}
*Branislav Nikolić, ''Na sopstvenim krilima'', Štamparija Topalović, Valjevo, 2009, {{ISBN|978-86-912401-0-3}}
{{Refend}}

{{Utva aircraft}}

{{DEFAULTSORT:Utva 65}}
65
Category:1960s Yugoslav agricultural aircraft
Category:Low-wing aircraft
Category:Single-engined tractor aircraft
Category:Aircraft first flown in 1965

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Adapted from the Wikipedia article [Utva-65](https://en.wikipedia.org/wiki/Utva-65) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Utva-65?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.