RedactedNarrative: Vessel 1 was trolling north at 1.8 MPH in dense fog.  A large blue and white cabin vessel (vessel 2) traveling from the east collided with vessel 1, turning vessel 1 to the port.  Approximate impact angle of the collision is 90 degrees.  
  
  Vessel 2 was never located or reported the accident. No known information of vessel 2 except it was blue and white and a cabin vessel.