RedactedNarrative: Unit 1 was traveling North East around the Charleston Peninsula at approximately 2145 on 6/19/2014 when Unit 1 called in for help on channel 16. USCG responded via radio. Unit1 drifted to the Carolina Yacht Club where Charleston EMS, Charleston PD and SCDNR responded. All 3 individuals were taken to MUSC and discharged that morning. Following up with the boating accident SCDNR determined that Unit1 struck the Day Board #5 Green. The DB was reported missing the following day June 20, 2014 and was replaced with a can buoy by the USCG. Injuries Unit 1 victim1: lacerations o his right shin requiring stitches. Broken cheek bone on his right side. He was discharged that following morning from MUSC (Operator of the vessel). Victim 2 broken bone is his left knee. Was discharged from MUSC that following morning. He was standing near console during the incident. Victim 3.: Laceration to the back of her head; 4 staples used to treat the wound. Deep thigh contusion to the right side of leg. She was sitting on the bow of the bow at the time of the accident.  subject#1 hit his face on the GPS screen and hit right shin on the console. Yes he impacted the vessel.  subject #2 fell to the floor of the vessel during impact. Yes he impacted the vessel. subject #3 was sitting at the bow of the boat when the vessel impacted.  Yes she impacted the vessel.  None of the Unit's were ejected from the vessel or hit the day board.  The vessel impact caused all injuries. All Unit's remained in boat after impact.