RedactedNarrative: On December 2, 2016 at approximately 0600 a.m. Operator1 was cruising north from Prien Lake boat launch.  (V2) a commercial work crew vessel, with seven (7) passengers aboard was traveling east on Prien Lake from a dredging site under interstate 210 bridge.  
  
  Operator1 stated after passing under I210 bridge he was looking to his right side at the nearby I210 boat launch for boat traffic.  Operator1 stated he was traveling approximately 30 mph.  At the approximately same time V2 was on step cruising towards I210 boat launch for shift change.  Operator1 then advised as he was turning to look forward is when he collided with V2.  Operator2 stated he did not see V1 until collision.  
  
  V1 collided with the bow contacting the rear starboard side of V2.  Operator1 was ejected from V1 and landed into the water conscious.  Then the work crew aboard V2 retrieved Operator1 from the water and called 911.  Operator2 brought Operator1 to I210 boat launch.  Emergency medical technicians arrived and transported Operator1 to St. Patrick hospital in Lake charles.  There was no injured person aboard V2.  
  
  Operator1 was discharged several hours later with a broken fibula (left leg), bruised thigh and hand, and minor cut to face.  No alcohol or drugs were cause of incident.  PFD's were present but were not worn on V1.  PFD were present and worn on V2 adults.  Both vessels are equip with remote steering.  Contributing factors are operator inattention and no proper lookout. The type of incident is collision with vessel.