RedactedNarrative: Operator launched vessel for a short ride around the river when he encountered engine problems and decided to make way over to an elevated dock.  As he approached the dock the engine stopped running.  The vessel drifted towards the dock and he was able to tie off the stern.  The injured stood up to attempt to assist securing the vessel when the vessel drifted under the elevated dock.   Still have not received operator report 7-9-14.