RedactedNarrative: Unit 1 was being operated in a narrow area of the Colorado River below Hoover Dam known as "The Shoot".   Operator of Unit 1 stated that he was going approximately 40 m.p.h. and turned around to get water for his dog.  He said that he heard screaming from his children and when he turned around, he immediately struck the canyon wall. 
  
  Unit 1 ramped up over a rock along shore, when airborne and landed 30-40 feet, bow first on land likely bouncing off that area back into the water.  2 of the 3 children were thrown from the bow of the boat and landed in the water.  There was significant damage to the bow.
  
  Upon arrival, the 2 of the 3 children that were ejected were in a passerby''s vessel.  The operator was supine on the deck in front of the aft starboard seats with a deformed left leg.  The 3rd passenger was transported to NPS Vessel with assistance.  The operator was treated on scene by NPS LEO/Medic in the crashed vessel and then transferred to the NPS Vessel.
  Operator and one of the children were transported to Willow Beach Marina where the operator was flown to Sunrise and his daughter was ground transported to Sunrise.