OFW OK-15

The OFW OK-15 was a 1950s Austrian two-seat light aircraft. Designed by Otto Kauba and built by the Österreichische Flugzeugwerke GmbH (OFW) at Wiener Neustadt, 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 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 7.6 m and length 6.5 m.

The aircraft was powered by a 105 hp Walter Minor 4-III piston engine, giving it an estimated cruise speed of 202 km/h.

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.