http://www.flyingmag.com/aircraft/lsasport/spartan-buys-first-20-electric-sun-flyers
http://www.flyingmag.com/aircraft/lsasport/solar-powered-sun-flyer-trainer-makes-progress
http://www.flyingmag.com/aircraft/lsasport/bye-energy-introduces-all-electric-sun-flyer
Voir aussi WATTsUP https://lf5422.wordpress.com/2014/12/12/le-wattsup-de-pipistrel-un-electrique-dedie-a-lecole/