<!-- This article is a part of Wikipedia:WikiProject Aircraft. Please see Wikipedia:WikiProject Aircraft/page content for recommended layout. --> {{Infobox aircraft | name = THK-11 | logo = | logo_size = | image = File:THK11.jpg | alt = | caption = A replica THK-11 on display at the ''Ankara Türk Hava Kurumu Müzesi'' - (Ankara Turkish Aeronautical Museum) | long_caption = | other_names = | aircraft_type = Cabin monoplane | aim = | outcome = | related = | national_origin = Turkey | manufacturer = {{lang|tr|Türk Hava Kurumu}} (THK - Turkish Aeronautical Association) | design_group = | designer = | builder = | issuer = | status = Abandoned | owners = | primary_user = | more_users = | service = | major_applications = | proposals = | prototypes = | number_built = 1 | construction_number = | civil_registration = | military_serial = | radio_code = | requirement = | aircraft_carried = | flights = | total_hours = | total_distance = | construction_date = | introduction = | retired = | first_flight = 1947 | initiated = | in_service = | last_flight = | expected = | developed_from = | variants = | developed_into = | preservation = | fate = | predecessors = | successors = | concluded = }}

The '''THK 11''' was a 1940s prototype Turkish four-seat monoplane, designed by Stanisław Rogalski and built by {{lang|tr|Türk Hava Kurumu}} (THK - Turkish Aeronautical Association).<ref name="flight" /><ref name="orbis" />

==Design and development== The THK-11 was a high-wing twin-boom cantilever cabin monoplane with a {{convert|135|hp|kW|0|abbr=on}} de Havilland Gipsy Major piston engine driving a pusher propeller.<ref name="flight" /> It has a fixed nose-wheel landing gear<ref name="orbis" /> and was first flown in 1947.

==Specifications== {{Aircraft specs |ref=Jane's All The World's Aircraft 1951–52,<ref name="jawa51 p191c"/> Jane's All The World's Aircraft 1949–50<ref name=jawa49-50/> |prime units?=met <!-- General characteristics --> |crew=2 |capacity=1 passenger |length m=8.44 |length ft= |length in= |length note= |span m=11.80 |span ft= |span in= |span note= |height m=2.59 |height ft= |height in= |height note= |wing area sqm=18.7 |wing area sqft= |wing area note= |aspect ratio=<!-- sailplanes --> |airfoil= |empty weight kg=828 |empty weight lb= |empty weight note= |gross weight kg=1150 |gross weight lb= |gross weight note= |max takeoff weight kg= |max takeoff weight lb= |max takeoff weight note= |fuel capacity= |more general= <!-- Powerplant --> |eng1 number=1 |eng1 name=de Havilland Gipsy Major |eng1 type=four-cylinder air-cooled inverted in-line engine |eng1 kw=<!-- prop engines --> |eng1 hp=135<!-- prop engines -->

|prop blade number=2 |prop name=fixed-pitch pusher propeller |prop dia m=<!-- propeller aircraft --> |prop dia ft=<!-- propeller aircraft --> |prop dia in=<!-- propeller aircraft --> |prop dia note= <!-- Performance --> |max speed kmh=201 |max speed mph= |max speed kts= |max speed note= |cruise speed kmh=164 |cruise speed mph= |cruise speed kts= |cruise speed note=<br/> * '''Landing speed:''' {{cvt|80|km/h|mph kn}} |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=800 |range miles= |range nmi= |range note=in still air |endurance=<!-- if range unknown --> |ceiling m=3500 |ceiling ft= |ceiling note= |g limits=<!-- aerobatic --> |roll rate=<!-- aerobatic --> |climb rate ms= |climb rate ftmin=690 |climb rate note= |time to altitude= |wing loading kg/m2=61.5 |wing loading lb/sqft= |wing loading note= |fuel consumption kg/km= |fuel consumption lb/mi= |power/mass={{cvt|18.7|lb/hp|kg/kW|order=flip}}

|more performance= }}

==See also== {{aircontent <!-- include as many lines are appropriate. additional lines/entries with carriage return. --> |see also= * Twin-boom aircraft |related=<!-- related developments --> |similar aircraft=<!-- similar or comparable aircraft --> * SECAN Courlis |lists= }}

==References== {{Commons category}} <references>

<ref name="orbis">{{cite book |title= The Illustrated Encyclopedia of Aircraft (Part Work 1982–1985)|publisher= Orbis Publishing|page=2996}}</ref> <ref name="flight">{{cite magazine|url=http://www.flightglobal.com/pdfarchive/view/1949/1949%20-%201678.html|magazine=Flight|date=29 September 1949|title=Progress in Turkey|volume= LVI|issue= 2127|page=442}}</ref> <ref name="jawa51 p191c">{{cite book|last=Bridgeman|first=Leonard|title=Jane's All The World's Aircraft 1951–52 |year=1951 |publisher=Sampson Low, Marston & Company, Ltd.|location=London |page=191c}}</ref> <ref name=jawa49-50>{{cite book|last=Bridgeman|first=Leonard|title=Jane's All The World's Aircraft 1949-50 |year=1949|publisher=Sampson Low, Marston & Company, Ltd.|location=London |pages=183c–184c}}</ref>

</references>

{{THK aircraft}}

Category:1940s Turkish civil utility aircraft Category:Single-engined pusher aircraft Category:Turkish Aeronautical Association aircraft Category:High-wing aircraft Category:Aircraft first flown in 1947 Category:Twin-boom aircraft