Sequence of Events
According to witnesses, the airplane entered the traffic pattern at approximately 1,000 feet above ground level (AGL) without making any radio calls. The aircraft was later observed at 75 to 100 feet AGL on what appeared to be a downwind leg for runway 21. Runway 17 was available at the time. The wind was from 140 degrees at 10 knots, gusting to 15 knots.
The airplane's right wing impacted a utility pole at 19.5 feet AGL, 12 feet below the wires. The first ground scar was located 260 feet from the pole, and the main wreckage came to rest 306 feet from the pole. The main wreckage was consumed by fire.
Aircraft and Pilot Information
The pilot was seated in the right seat, and a non-pilot rated passenger occupied the left front seat. The pilot was not a flight instructor. Witnesses reported that the pilot characteristically made all required and advisory radio calls when approaching or operating in the traffic pattern.
Medical and Toxicology Findings
The pilot had been diagnosed with mild to moderate coronary disease and had complained of tightness in the chest. Toxicology tests returned negative results for drugs.
Post-Impact Examination
Inspection of the airplane revealed no pre-impact anomalies.