RedactedNarrative: Vessel 01 (V01) was traveling north on the St. Johns River approaching marker 109.   
  
  V01 operator stated that his cruising speed was approximately 15-20 MPH. As he approached closer to the 109 can buoy V01’s hull suddenly impacted with an unknown object below the water's surface.
  
  V01 began to slowly sink, the operator was then able to steer V01 east into shallow water. V01 came to finale rest, partially submerged, near the river’s east bank where it remained until this Investigator’s arrival to the scene.
  
  A survey of the scene was conducted to locate the object that V01 struck. No object was found.
  
  USCG was notified through the Sanford Regional Communication Center of the potential hazard.
NameOfBodyOfWater: ST JOHNS RIVER
NearestCityTown: DE BARY                       