NTSB

Probable Cause: A loss of engine power as a result of carburetor ice. Contributing to the outcome was the pilot’s failure to effectively use carburetor heat in conditions conducive to the formation of carburetor ice.

Probable Cause: The pilot’s failure to secure the oil filler cap during the preflight inspection, which resulted in a precautionary landing on the soft surface and subsequent nose over.

Probable Cause: The student pilot’s improper fuel management during the cross-country flight, which resulted in a total loss of engine power due to fuel starvation.

Probable Cause: The pilot’s failure to properly configure the landing gear on his amphibious airplane before landing on water.

Probable Cause: The pilot’s failure to maintain directional control during landing.

The non-instrument-rated pilot’s decision to depart under visual flight rules into instrument meteorological conditions, which resulted in an inflight collision with terrain while maneuvering.

Probable Cause: The pilot’s improper decision to continue an approach with his vision obscured by sun glare, which resulted in a collision with a tree.

Probable Cause: The failure of maintenance personnel to thoroughly inspect and repair the worn-out panel fasteners and fastener holes.