Flight Sequence
Upon arriving at the destination airport, the pilot was issued radar vectors to a final approach course for the ILS runway 5R approach. While on the final approach course, the controller issued course correction information to the pilot. Despite these corrections, the erratic movement of the airplane continued until the airplane descended and disappeared from radar coverage.
Witness Account
A witness near the accident site observed the airplane as it fell from the sky in several pieces.
Wreckage Examination
Examination of the accident site disclosed that the airplane wreckage was scattered over an area three-quarters of a mile long. The wreckage examination also failed to disclose a mechanical or system malfunction or component failure.
Weather Conditions
A review of the weather data showed low clouds with a 5500-foot overcast condition at the time of the accident.