A preliminary report from the National Transportation Safety Board (NTSB) does not reveal the cause of a crash that killed a popular stunt pilot in East Tennessee.

Jim Maroney of Wisconsin was on his way to an airshow in Florida, but never arrived. When he didn't arrive at his destination on March 23, the FAA issued an alert, and the search began in rugged terrain in the Cherokee National Forest. The wreckage was discovered the next morning by a Knox County Sheriff's Office helicopter.

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The NTSB preliminary report says the plane was found in an upright position, on the side of a mountainous slope. It was mostly intact, but the right wing was severed by the impact of the crash. Maroney was still in the cockpit, wearing a parachute that was not deployed.

The report detailed that their were scattered clouds in the area at the time of the crash.

The plane's wreckage was recovered on March 31 and will be further examined to try to determine what caused the crash.

Maroney had been a stunt pilot for more than decades. He was also a commercial pilot for Delta Airlines and a U.S. fighter pilot.

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