RedactedNarrative: This accident involved 2 vessels. Vessel #1(Allison) and Vessel # 2 (Stratos). Vessel #1 returned to the dock after fishing. He tied of to the boat ram & went to retrieve his vehicle & trailer to load vessel # 1 onto it. Vessel # 2 returned to the dock and the operator went to retrieve his vehicle and trailer. He left his son in the vessel to operate the vessel and drive it around from the dock to the ramp. When the "new" operator of vessel # 2 engaged the throttle to move vessel # 2 he drove up on top of vessel # 1, submerging and causing damage to vessel # 1. Operator reported having less than 1 minute of operator's experience. This was his first time ever operating a vessel.