This February 2009 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: Cessna 170. Injuries: None. Location: Homer, Alaska. Aircraft damage: Substantial.
What reportedly happened: The private pilot was attempting to land with a 9-knot tailwind. During the landing roll, the tailwheel airplane swerved. The pilot increased engine power and attempted to regain control. The engine hesitated, and the airplane ground looped to the right.
Probable cause: The pilot’s failure to maintain directional control during the landing roll, resulting in a ground loop and substantial damage to the airplane.
For more information: NTSB.gov