NTSB

The pilot’s encounter with a flock of birds on final approach, which resulted in a loss of control, an aerodynamic stall and spin, and impact with trees and terrain.

The loss of direction control while maneuvering off the plowed surface to avoid a collision with a vehicle.

The pilot’s activation of the auxiliary fuel boost pump shortly after takeoff, which resulted in an excess amount of fuel to the engine and a total loss of engine power.

The pilot’s exceedance of the airplane’s critical angle of attack during the initial climb, which resulted in an aerodynamic stall and subsequent impact with terrain.

The pilot’s failure to ensure the snow-covered takeoff area was safe, which resulted in a collision with ice and subsequent landing gear damage.

The pilot of the Cessna 150’s failure to avoid the taxiing Cessna 172.

The pilot’s loss of directional control during an intentional off-airport landing.

The loss of engine power due to carburetor icing and the pilot’s failure to utilize carburetor heat.