Eleven limpet mines were care fully loaded in to the dingy along with two Sten guns, ammunition and grenades in case they had to fight their way out of any trouble. The two men removed their boiler suits and stepped into the dingy in preparation to pushing off. However, a German patrol boat pulled up alongside the wharf and began a searching amongst the timbers. Manus and Nielsen laid low in their boat daring not to breathe, but the Germans were not the most observant and soon left. After a suitable period waiting for the all clear the intrepid duo pushed off.