NTSB Identification: CEN12LA602
14 CFR Part 91: General Aviation
Accident occurred Saturday, September 01, 2012 in Davenport, IA
Probable Cause Approval Date: 01/13/2014
Aircraft: AERO VODOCHODY L39C, registration: N139GS
Injuries: 1 Fatal.

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 accident airplane was one of three airplanes in an airshow performance. After overflying the spectators and while flying away from the flight line, the airplanes executed a “crossover break” maneuver, at the beginning of which the accident airplane was in the left wing position. As planned, the lead airplane would climb while the left wing position airplane would enter a right turn and the right wing position airplane would enter a left turn with adequate longitudinal spacing. During the maneuver, the accident airplane entered the right turn as planned, but then descended and impacted the terrain. A postimpact fire ensued. No evidence of an in-flight collision with either of the other airplanes was observed. Witnesses reported that they did not observe any movement of the airplane's flight control surfaces before the airplane impacted terrain, which would be inconsistent with the pilot attempting to recover from the descent. The postaccident examination did not reveal any preaccident mechanical malfunctions or failures with the airplane that would have precluded normal operation.

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

The loss of airplane control for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded operation.

Full narrative available

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