Close look at Hiller UH-4 "Commuter" Co-axial rotor Helicopter, Hiller's 1946 Helicopters -3 - YouTube

CEX.io


Close look at Hiller UH-4 Commuter Co-axial rotor Helicopter, Hiller's 1946 Helicopters -3 http://www.aviastar.org/helicopters_eng/hiller_commuter.php http://www.aviastar.org/helicopters_eng/hiller_x-2-235.php http://www.fiddlersgreen.net/models/aircraft/Hiller-Copter.html Hiller Aviation Museum HeliFest -2011 http://www.hiller.org/ TilTul http://tiltul.com LinksYouWantToRemember CIMG9412.AVI