NTSB Identification: CHI08LA190
14 CFR Part 91: General Aviation
Accident occurred Sunday, June 29, 2008 in Baldwin, WI
Probable Cause Approval Date: 09/10/2009
Aircraft: de Havilland DHC-6-200, registration: N203SF
Injuries: 15 Uninjured.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

The pilot reported that there were no observed anomalies with the left wing prior to the flight. During the flight, which was conducted as a local parachute operation, the pilot performed a descending turn. The left wing's aileron bound when the pilot attempted to level the bank. The pilot declared an emergency. The pilot and a passenger were able to exert enough force to the control wheel to regain control of the airplane and land safely. An on-scene examination of the airplane revealed damage to the left wing flap and aileron consistent with an overload event; however, the investigation could not definitively pinpoint the cause of the damage.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

Undetermined.

Full narrative available

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