NTSB Probable Cause

THE INSTRUCTOR PILOT'S LOSS OF ALTITUDE AWARENESS AND POSSIBLE SPATIAL DISORIENTATION, WHICH RESULTED IN THE LOSS OF CONTROL OF THE AIRPLANE AT AN ALTITUDE TOO LOW FOR RECOVERY; AND COMPANY MANAGEMENT'S LACK OF INVOLVEMENT IN AND OVERSIGHT OF ITS BEECHCRAFT 1900 FLIGHT TRAINING PROGRAM. CONTRIBUTING TO THE ACCIDENT WAS THE INSTRUCTOR PILOT'S EXERCISE OF POOR JUDGMENT IN ESTABLISHING A FLIGHT SITUATION AND AIRPLANE CONFIGURATION CONDUCIVE TO SPATIAL DISORIENTATION THAT AFFORDED THE PILOTS LITTLE OR NO MARGIN FOR ERROR.