At about 17:50 EDT, the pilot of a Cessna 182R was killed when the plane struck a communications tower near Killingworth. IMC prevailed and an IFR flight plan had been filed. The airplane was issued a clearance to execute the VOR approach to Chester Airport at 17:43 and the pilot acknowledged the clearance and canceled IFR. The aircraft struck a tower that reached to 866 feet msl, located about 2.6 miles from the airport. A witness who recorded the condition of the tower lighting daily stated that fog obscured the top of the tower at the time of the accident.