This was a mid air collision and crashbetween a World Models 80" Mitsubishi Zero with a Fuji-Imvac 50 cc gas EI engine & a 450 size electric helicopter on 03/24/2013 at SCCMAS.org recorded by Walter Colby www.waltercolby.com the Camera was a JVC GY-HM 700U recording 720P 60 frames per second.