RedactedNarrative: V1 OPERATOR STATED THAT V2 COLLIDED WITH THE STARBOARD SIDE OF V1 WHILE NAVIGATING THE BUSY KALAMAZOO RIVER.  V2 OPERATOR STATED THAT V1 OPERATOR DID NOT TRY TO AVOID THE COLLISION. PDFS WERE ON BOTH VESSELS, ALCOHOL WAS NOT A FACTOR AND NO INJURIES.