Subject was traveling south in Calcasieu Lake.  Subject hit an unseen, submerged object.  A large hole was knocked into the hull, near the keel, at the stern of the vessel.  The collission also knocked a hole in the foot of the motor.  PFD's were present, but not worn.  Operator had his ignition safety switch on at the time of the incident.  Agents were not made aware of the incident until the next day, so there was no tests administered for the presence of intoxicants.
Cameron                       