RedactedNarrative: v2 was approaching Johns pass bridge traveling eastbound at approximately 4 knots when v1 struck the transom of v2.  Operator of v1 upon noticing he was going to impact the stern of v2, released the throttle and lost ability to maneuver, v1 impacted the stern of v2 and ramped up damaging rear railings and rigging.  Op and occ of v1 were ejected at impact but were uninjured.