RedactedNarrative: Vessel 1 (V1) made a sharp left turn while Vessel 2 (V2) was attempting to overtake on V1’s port side. 
  
  V2’s starboard stern struck the midship and bow of V1 as a result. All occupants were uninjured. V1’s operator was in violation of navigation rule 5 (Look out) as his failure to maintain proper lookout while turning left was the main contributing factor of the collision.