Vessel 1 had improper ventilation to remove the fuel fumes from inside the hull. When an engine was started, the fumes ignited and created an explosion in the hull of vessel 1. 

Victim1 was working at the dock fueling up vessel 1. She was getting ready to push vessel 1 off the dock and heard operator 1 only run the blower for approx 20 seconds before attempting to start vessel 1's engines, this created an explosion causing multiple passengers to be ejected and injuries to workers (victims 16 & 17).

LAKE OF THE OZARKS
SUNRISE BEACH                 