Start by telling us the manufacturer, exact model and motor type (nitro or electric) of the plane you are flying now.

Then we will be un a better position to help. there are about 100 different Cubs out there but the only one I know of with a "anti-crash" system is nothing little than a toy. That doesn't mean you can't have fun with it or learn from it but it is like comparing a Volkswagon with a Lamborgini.