RedactedNarrative: PWC #1 was driven by inexperienced operator, first time use.  Husband with limited experience was riding behind to provide instruction.  PWC#2 was driven by limited experience operator from same family.  Operator #1 slowed and turned left when approaching wake of another vessel.  Operator #2 was following behind and failed to slow.  PWC #2 struck  PWC#1 from behind above the water line ripping off the seat, cracking the fiberglass hull and injuring both occupants.  PWC#2 also sustained cracked fiberglass hull below the waterline on the keel at the bow of vessel.  All occupants refused medical transport, but self transported to hospital.  Interview conducted by phone while at hospital.  Follow up interview revealed operator #1 had sustained 3 fractured ribs in collision, only minor injury to operator # 2 when ejected over the top of vessel.
  Lewis & Clark County Sheriff office first onscene