RedactedNarrative: This collision was reported approximately 20 days after the incident occurred.  On 6/15/2018 operator 1 reported that on 5/27/2018 she and the operator of vessel 2 were traveling side by side on Sumner Lake.  Vessel 1 turned left and struck vessel 2 on the starboard side.  The impact ejected both occupants of vessel 1 and the passenger of vessel 2.  The impact caused a 39" crack on the starboard side of vessel 2.  Vessel 1 received a scrape on the front port side.  The operator and passenger of vessel 1 were not initially aware of any injuries at the time of impact.  Later, the operator of vessel 1 developed knee pain and the passenger of vessel 1 noticed bruising.  Neither person on vessel 1 sought treatment for their injuries.  The occupants of vessel 2 did not report any injuries as result of this impact.  Based on ranger's investigation and statements from the operators, the operator of vessel 1 was found to be at fault for the collision by violating the passing and crossing navigation rules.  The operator of vessel 2 was given a verbal warning for operator education.
  
  End of report and no recording was made of the interviews.