Accident Details
A twin-engine airplane, on a flight from Jackson, Mississippi, to Ardmore, Oklahoma, experienced a loss of altitude while at cruising altitude. The aircraft subsequently entered a dive and crashed near Post Oak. The pilot, who was the sole occupant on board, was killed.
Investigation and Probable Cause
The official investigation determined the probable cause of the accident to be an uncontrolled descent and subsequent uncontrolled collision with ground due to pilot physical impairment. The following contributing factors were reported:
- Alcoholic impairment of efficiency and judgment
- Pilot fatigue
- Blood alcohol level of 1.7‰
- The pilot did not sleep for 48 hours
- Autopilot was engaged
- A hyperactive dog was aboard the aircraft