This February 2008 accident report is provided by the National Transportation Safety Board. Published as an educational tool, it is intended to help pilots learn from the misfortunes of others.
Aircraft: Piper J3 Cub. Injuries: None. Location: Shallowater, Texas. Aircraft damage: Substantial.
What reportedly happened: While maneuvering to final approach the pilot allowed the left wing to contact the ground. The airplane cartwheeled. The pilot was wearing a shoulder restraint and lap belt and was not injured. The pilot reported no mechanical malfunctions prior to the accident.
Probable cause: Failure of the pilot to maintain a safe clearance from the terrain while maneuvering for landing.
For more information: NTSB.gov