RedactedNarrative: V1 (Yamaha) was traveling eastbound and turned 180 degrees to starboard into the path of V2 (Wellcraft), which was also traveling eastbound.  
  
  Operator of V1 (Yamaha) was using his phone to look into the water around him and did not see V2 (Wellcraft).  V1 (Yamaha) attempted to swerve at last moment and bow of V2 (Wellcraft) struck starboard footwell of V1 (Yamaha).
  
  Operator1 had Right leg amputated below the knee, right arm amputated at shoulder, fractured right femur, rib fractures with lung contusions.