Not sure if this has been posted yet, but the question then becomes if he knew the cart was not chocked, he tried landing on it once why did he try it again? To save the aggravation of shutting down and then having start up again after it had been chocked?
Team 10: 'They didn't chock my cart' pilot said moments before helicopter spun out of control - 10News.com KGTV ABC10 San Diego