RedactedNarrative: Operator 1 was operating vessel 1 when passenger 1 moved and sat behind the front center gate with her legs under the gate. As passenger 1 was riding along she leaned or shifted her weight causing the front gate to give way. Passenger 1 fell overboard through the gate as the vessel was moving. Passenger 1 sustained injuries from the collision, there was only minor damage to the vessel and none of the other passengers were injured.