Authorities said four men from Indiana, one a former sprint car driver, were killed in a small plane crash Friday on their way to the Clemson-Notre Dame game.Stephens County Sheriff Randy Shirley confirmed the small plane crashed near Lake Hartwell.The Oconee County Coroner’s office said 911 communication received a call at about 3:13 p.m. reporting an airplane spiraling downwards.Pictures: Lake Hartwell Plane CrashInvestigators said the plane's debris field was discovered in a treeline near the lake as well as in the lake.Oconee County Coroner Karl Addis said the 1984 single-engine Piper Saratoga plane departed from Indiana at midday Friday and was scheduled to land at the Oconee County airport.The men aboard the plane were traveling to the Clemson football game Saturday, Addis said.Authorities from both Stephens County and Oconee County said the crash was in the Highway 123 area.Addis said Charles D. Smith, 71, was piloting the plane. Also on board were the pilot's son, Scott A. Smith, 44, Tony L. Elliott, 54, and Scott D. Bibler,51. All four people were from Warsaw, Indiana.Elliott was a former sprint car driver, while the elder Smith was a Warsaw councilman and former high school football coach. Bibler also used to coach high school football. Scott Smith was an attorney.The Federal Aviation Administration said it alerted local authorities and airports around 4 p.m. about a missing aircraft.The National Transportation Safety Board and FAA officials will investigate the crash.