RedactedNarrative: On August 27, 2014 at approximately 2:00am TN vessel 3325EF ,a 16'' Airgator airboat, was operating on Percy Priest lake.  They traveled under Hobson Pike Bridge at approximately 30 mph and were following the left side shoreline when the airboat struck something in the water.  This caused the airboat to travel towards and strike the shoreline.  The driver nor passenger sustained any reportable injuries.  The boat was towed to Smith Springs ramp by a unknown boater nearby.  Estimated repair cost by invoice from Alumitech Inc. was $18,670.  (All conclusions and statements are from the driver and passenger) TWRA nor Metro OEM wasnt notified at the time of the accident.  Nor did the owner contact anyone.  This report is being generated due to the repair cost exceeding the minium $2000 limit for a reportable boat accident.