What happened
Following takeoff, an aircraft was observed climbing at a slow rate with its landing gear extended. A flight instructor, positioned above and behind the aircraft, witnessed the plane pitch up and enter a two-turn left spin. The aircraft subsequently crashed in a steep descent about 3 miles from the airport, with the landing gear still extended.
The aircraft was occupied by three occupants at the time of the accident. Prior to departure, the pilot had requested that a lineman remove snow from the aircraft. Although the snow was cleared, light icing remained on the left inboard horizontal stabilizer and the inboard wing.
The investigation
An examination of the wreckage showed no evidence of preimpact failure regarding the engine or the airframe. At the time of departure, the aircraft was carrying full fuel and 159 pounds of baggage. The investigation determined that the aircraft's weight was approximately 124 pounds over its maximum gross weight.