Weather Conditions
During the pre-flight weather briefing, the pilot was advised of marginal visual meteorological conditions (VMC) with high overcasts and reduced visibility due to light rain and fog. Radar depicted an area of showers moving into the Pittsburg area from the Carolinas. Witnesses near the accident site reported that the weather was rainy and foggy.
Pilot Health
A postmortem examination of the pilot revealed evidence of atherosclerotic cardiovascular disease. The pilot had been under the treatment of a cardiologist since July 1981, at which time isosorbide dinitrate (Isordil) was prescribed. Isordil tablets were found among the pilot's possessions.
Medical Certification
The pilot underwent examination for and received a Class III medical certificate on April 27, 1982. During that examination, he denied any current use of medication or any history of heart trouble.