RedactedNarrative: Single vessel airboat accident (V1) versus small willow tree. V1 was attempting to cross dry ground from one body of water to another. When V1 hit very shallow water less than 6" the operator lost control and the vessel drifted into a small willow tree and struck the forward port side at a low speed. The passenger onboard was ejected and experienced minor abrasion/bruising the her right side collar bone. Minor damage to vessel.; 