RedactedNarrative: Vessel 2 was underway in a narrow part of waterway with a large amount of traffic.  Operator of vessel 2 waived to someone on shore and then proceeded to pass a pontoon boat in front of him.  He accelerated as he passed the pontoon boat and failed to see vessel 1 which was heading in the opposite direction.  Vessel 2 struck vessel 1 on the starboard side.  Operator of vessel 2 was ejected and landed in the water.  Passenger on board vessel 2 was also ejected striking the vessel and then the water.