RedactedNarrative: Vessel 2 was at anchor, southeast from Wilmette Harbor when vessel 1 struck the swim platform on the starboard stern of vessel 2. Vessel 1 struck with its bow. Vessel 1 then drifted alongside vessel 2, causing damage to the starboard bow of vessel 1.  
  
  Vessel 1 stated the tiller operator slipped and fell, causing the vessel to turn sharply and collide with vessel 2 as it was trying to maneuver its way back into the harbor. Vessel 1 is a sailboat that was operating under engine power, traveling at a no wake speed. no kill switch. 
  
  Vessel 2 has a noticeable gouge on its swim platform with a blue paint transfer from Vessel 1. Vessel 2''s swim platform appears to be out of alignment, possibly from the impact. Neither vessel reported any serious injuries.
  