RedactedNarrative: Vessel 1 was traveling west on the Kennebec river by Stetson Rocks at mid tide and ran the boat aground on the rocks.  Vessel 1 was traveling around 10 mph and couldn't get off the rocks once pinned.  
  
  There was no day board or sign on Stetson rock and it can only be identified on GPS or low water. Operator 1 was unaware of Stetson rock and drove directly into them. 
  
  When Vessel 1 went aground subject was knocked over and sustained minor injuries to her knee and torso.  
  
  Both operators were wearing approved USCG life vests and a killswitch was worn by Operator 1.  Vessel 1 was aground on the rocks and called Seatow to help them off.  Seatow made a heavy wake around the rocks and was able to break vessel 1 free.  Seatow then assisted Vessel 1 back to the marina in Bath.  Vessel 1 was able to make way forward, but reverse was inoperable.