Accident Sequence
Witnesses reported that the airplane departed from runway 14. During the initial climb after lift-off, the aircraft assumed a steep, nose-high attitude. It subsequently entered a spin, descended, and crashed.
Aircraft Examination
Following the accident, the elevator trim was found in the full nose-up position. An examination of the main pitch servo and pitch trim servo revealed no mechanical malfunction. Investigators found no preimpact mechanical failure of the airplane or its engine.
Toxicology Test
A toxicology test conducted on a liver specimen from the pilot detected 2.6 mg/kg of Imipramine and 5.9 mg/kg of Desipramine. These substances are antidepressants, which are not approved for use while operating an aircraft.