PWC #2 was following PWC #1 at a reported distance of 20-30 feet and of to the left side as both PWC approached the entrance to Ivy Lane from the north.  Operator #2 was waving to people aboard approaching vessel when noticed #1 slowing and took evasive action by turning hard to the left.  #2 struck the left side of #1 with the right side of #2.  One injured party was life flighted to hospital in Omaha for injuries.
Tekamah