NTSB Probable Cause

PILOT'S FAILURE TO MAINTAIN DIRECTIONAL CONTROL. CONTRIBUTING FACTORS INCLUDED THE PILOT'S IMPROPER IN-FLIGHT DECISION WHICH WAS RELATED TO HIS OVERCONFIDENCE IN HIS PERSONAL ABILITY, SPATIAL DISORIENTATION UPON ENCOUNTERING INCLEMENT WEATHER DURING THE NIGHTTIME FLIGHT, AND HIS TOTAL LACK OF FLIGHT EXPERIENCE.