NTSB Identification: CEN11FA115
14 CFR Part 91: General Aviation
Accident occurred Saturday, December 18, 2010 in Crowley, LA
Probable Cause Approval Date: 11/17/2011
Aircraft: CESSNA 182C, registration: N8556T
Injuries: 3 Fatal,2 Serious.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

The flight departed to the east with four skydivers for a local jump. One witness stated that, immediately following the takeoff, about 200 feet above ground level, a "percussive" pop from the engine was heard. Two witnesses stated that the right wing dropped, and the airplane impacted the ground. The airplane was quickly engulfed in a postimpact fire. A postaccident examination of the engine revealed a piece of engine isolator gasket had become wrapped around the carburetor main fuel jet and both magnetos distribution gear had cracked and were missing teeth. The damaged distribution gear teeth were consistent with damage found after an engine experiences a backfire. It could not be determined which magneto failed first or if they both failed simultaneously. The cause of the backfire could not be determined. Further examination of the engine, airframe, and remaining systems revealed no anomalies that would have precluded normal operation.

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

A loss of engine power due to the magneto failure for undetermined reasons.

Full narrative available

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