By James Tugwell ABC
Look up on any sunny weekend on the NSW south coast and you may just see a 5-metre-long bright red jet zooming along the coastline.
What you might not notice, as it zooms past at nearly 500 kilometres per hour, is that the jet is homemade — the first of its model to be flown outside of America.

(Supplied: Marg Craig Photography)
It took retired dentist Andre Viljoen more than 3,000 hours in his small hangar in Moruya to build the plane from a kit he ordered online.…