RedactedNarrative: Vessel 1 was operating on plane when the Operator felt a sudden surge as if Vessel 1 had struck an object below the surface of the water.  The Operator of Vessel 1then stopped Vessel 1, at which time it was observed that Vessel 1 was taking on water.  The Operator of Vessel 1 then beached Vessel 1 to keep it from sinking.  The submerged object that was struck was unable to be identified.