HISTORY OF FLIGHT On September 17, 1996, at about 1245 central daylight time, a Bellanca BL-26, N66PG, sustained substantial damage after the pilot reported engine problems when it impacted terrain in a corn field 10 miles south of the airport while on approach to Bowling Green-Warren County Regional Airport, Bowling Green, Kentucky. The pilot, the sole occupant, sustained minor injuries. The flight originated from Enterprise, Alabama, at 0950 eastern daylight time. Instrument meteorological conditions existed and an IFR flight plan was filed in flight. The flight was conducted under 14 CFR Part 91. Neither the registered owner of the aircraft or the commercial pilot submitted a NTSB Form 6120.1/2, pilot/operator report after several requests. WRECKAGE EXAMINATION/DOCUMENTATION According to the Federal Aviation Administration Inspector assigned to the case the flight departed Enterprise, Alabama, at 0950 eastern daylight time enroute to Bowling Green-Warren county Regional Airport, Bowling Green, Kentucky. While on approach the pilot reported that the engine had failed. On scene examination of the wreckage found the fuel tanks intact with no evidence of leakage. Further examination found know fuel stains on neither the wings nor any discoloration of the nearby foliage. A visual inspection of the fuel tanks revealed two gallons of fuel remaining in the right fuel tank, 1/2 gallon of fuel remaining in the auxiliary tank and about 1/2 gallon of fuel remaining in the left fuel tank. The throttle controls were intact and the fuel selector was set to the left fuel tank.