RedactedNarrative: At nighttime, Vessel #1 was traveling in a southerly direction on Lake Zoar when it collided with Vessel #2. Vessel #2 was drifting, unanchored, engine off while facing a westerly direction prior to impact. Vessel #2 had navigation lights on and occupants attempted to get the attention of Vessel #1 by waving their arms but were unsuccessful. During impact on Vessel #1, one occupant was thrown into the water and another occupant was thrown into the rear port side cleat where they sustained a laceration to their right thigh. An occupant on Vessel #2 sustained a fracture to their right wrist when they struck the interior of Vessel #2. Occupants on both vessels were not wearing PFDs. Vessel #1 was a total loss. 2 injured.