What happened
While performing an ILS approach to Runway 35R under night instrument meteorological conditions, the aircraft struck terrain and was destroyed by the impact and a subsequent fire. Before the flight, the pilot had been briefed on weather conditions involving mist, light rain, and IMC at the destination. During the approach, the pilot was directed via radar vectors to intercept the localizer.
As the aircraft descended, the pilot's radio communications showed signs of diminished coordination. After passing the outer marker at 7,700 feet, the pilot inquired about the airport ceiling, which the controller reported as 500 feet. When the aircraft reached 6,800 feet, the controller issued a low altitude alert; the pilot acknowledged being low but stated 20 seconds later that the aircraft had returned to the glideslope. Shortly after, a second low altitude warning was issued, and the radar signal was lost. The wreckage was discovered in a grassy, hilly area at an elevation of 6,120 feet, situated roughly 2.6 nautical miles from the runway threshold.
Findings
Investigation into the accident revealed several contributing factors. At the time of the crash, the airport experienced winds from 360 degrees at 10 knots, visibility of 2 statute miles, and an overcast ceiling at 2,800 feet. While the aircraft's engines and airframe showed no mechanical issues, and the airport's navigational aids were found to be fully operational, the pilot's personal circumstances were significant.
- The pilot was operating without a valid medical certificate.
- Post-accident toxicology results indicated the presence of unreported prescription medications.
- Observations of the pilot's radio communications suggested a lack of coordination during the approach phase.
- Statements from an acquaintance suggested the pilot might have preferred avoiding night ILS approaches in IFR conditions.