The OFW OK-15 was a 1950s

Austria Austria, , bar, Östareich officially the Republic of Austria, is a country in the southern part of Central Europe, lying in the Eastern Alps. It is a federation of nine states, one of which is the capital, Vienna, the most populous ...

n two-seat light aircraft. Designed by

Otto Kauba Otto Kauba (1908-1962) was an Austrian engineer who designed aircraft in the period during and after World War II. He also designed motor scooters in the postwar period. Early life Otto Kauba was born in Vienna on 11 September 1908. Career On ...

and built by the Österreichische Flugzeugwerke GmbH (OFW) at

Wiener Neustadt Wiener Neustadt (; ; Central Bavarian: ''Weana Neistod'') is a city located south of Vienna, in the state of Lower Austria, in northeast Austria. It is a self-governed city and the seat of the district administration of Wiener Neustadt-Land Distr ...

, it was the first aircraft to be designed and built in Austria for 20 years.

Design and development

The OK-15 was a light sports

monoplane A monoplane is a fixed-wing aircraft configuration with a single mainplane, in contrast to a biplane or other types of multiplanes, which have multiple planes. A monoplane has inherently the highest efficiency and lowest drag of any wing confi ...

of conventional design with a low wing, enclosed side-by-side two-seat cockpit and fixed undercarriage with tailwheel. It was manufactured using traditional materials of metal, wood and fabric, and stressed for aerobatics. It had a span of and length . The aircraft was powered by a

Walter Minor 4-III The Walter Minor is a family of four- and six-cylinder inverted inline air-cooled engines, developed under auspices of ing. Šimůnek and used on light aircraft. First produced in 1929, the Minor engines' family has an advanced design for the p ...

piston engine, giving it an estimated cruise speed of . The only prototype was registered OE-VAM and first flown on 16 July 1956. Subsequent fight tests showed its handling to be unsatisfactory and it was not put into production.Austria's Flight History
Loan Airport, Diamond SFCA. (retrieved 6 January 2019).

Specification

References

{{reflist, refs= {{cite journal , title=Did You Know...? , journal=Air Pictorial , date=August 1956 , volume=XVIII , issue=8 , page=285 {{cite book , title=Jane's All the World's Aircraft 1958-59 , editor1-last=Bridgman , editor1-first=Leonard , year=1957 , publisher=Jane's All the World's Aircraft Publishing Co. Ltd. , location=London , page=46 {{cite journal, journal=

Flight Flight or flying is the process by which an object moves through a space without contacting any planetary surface, either within an atmosphere (i.e. air flight or aviation) or through the vacuum of outer space (i.e. spaceflight). This can be a ...

, title=Air Intelligence: Austria , date=18 January 1957 , page=73 , accessdate=6 August 2013 , url=http://www.flightglobal.com/pdfarchive/view/1957/1957%20-%200073.html {{cite book , last1=Keimel , first1=Reinhard , title=Österreichs Luftfahrt in Einzeldarstellungen: Propeller-Luftfahrzeugkonstruktionen seit 1945 (Austrian Aviation in Individual Profiles: Propeller aircraft from 1945) , date=1980 , publisher=Weishaupt , language=German 1950s Austrian civil utility aircraft Single-engined tractor aircraft Low-wing aircraft Aircraft first flown in 1956