NTSB Probable Cause

THE PILOT'S DELAY IN REVERSING DIRECTION, HIS CONTINUED FLIGHT INTO INSTRUMENT METEOROLOGICAL CONDITIONS, HIS FAILURE TO MAINTAIN ADEQUATE AIRSPEED AND INADVERTENT STALL WHILE MANEUVERING TO REVERSE DIRECTION. CONTRIBUTING TO THE ACCIDENT WAS WEATHER CONDITIONS THAT CONSISTED OF LOW CEILINGS, SNOW, AND ICING CONDITIONS.