This forum is for discussions pertaining to Air Racing and Aerobatics of NON-Warbird aircraft. In addition this is the place to discuss General Aviation aircraft topics and yes Michael, that includes flying Lawnmowers
One of the first things you learn as a crane operator is to never let the load swing and contact the boom or you will have the result on the video. You must have tag lines controlled on the ground to avoid the boom contact. I might have chosen a larger crane to do that pick though.