Accident
The pilot of an airplane initiated a missed approach while operating in instrument meteorological conditions. According to a ground witness, the airplane was observed proceeding in a direction opposite to the final approach course, on a flight path inconsistent with the prescribed missed approach procedure.
Maneuver and Impact
The witness reported that the airplane abruptly entered a 90-degree banking turn and then disappeared into the clouds. Moments later, the airplane crashed in a near-vertical descent attitude.
Communications
During the incident, the pilot's last communications to the local controller were unintelligible.
Wreckage Examination
Examination of the wreckage revealed that the main landing gears were in transit. There was no evidence of any preexisting malfunctions or failures of the airplane or its engine.