RedactedNarrative: Unit 2 was tied to dock vessel in his slip.  Unit 1 approached marina to dock vessel in his slip.  Unit 1 operator lost control of vessel.  Unit 1 was unable to correct speed and heading in time to avoid collision with Unit 2.  Bow pulpit and anchor of Unit 1 struck Unit 2 on port stern, railings, davits, and steel rigging cables.  
  
  Unit 1 passenger on bow attempted to push off of Unit 2 before impact, and left foot was injured upon collision.  Injured denied medical treatment.  Unit 1 was towed to fuel dock and is awaiting evaluation of steering/engine system.