article_snippet: Scroll down for video .
article_snippet: The latest version is the third generation of the craft. '
article_snippet: The latest version is now finalised and has been in regular flight-testing program in real flight conditions since October 2014,' a Slovakian firm said.
article_snippet: He says it will be on sale in 2017, and that a Slovakian firm was also developing a self driving (and flying) version.
article_snippet: We got a positive feedback from several experts in avionics, which appreciated design and the technical solution of the process of transformation. '
article_snippet: The firm has even completed the interior of the craft, and says The firm is undergoing advanced flight tests in Slovakia.
article_snippet: The firm has also released a video of The firm in action, driving through city streets then taking to the air. '
highlights_snippet: New video reveals the plane is already in advanced flight trials .
  
highlights_snippet: Firm claims design is 'production ready' and will go on sale in 2017 .