RedactedNarrative: Vessel 1 was travelling westbound on Ellicot Creek when passenger 1 struck her head as the boat passed under the main bridge in Ellicot Creek Park.  Creek is extremely narrow and not normally navigated by power boats in that area.  Bridge height was approximately 5 feet above water. Operator was under the influence of alcohol.  Passenger 1 was pronounced dead at the Erie County Medical Center due to blunt force trauma to the head.  She was under the influence of marijuana and had a small amount of alcohol in her system.