One year after a sightseeing helicopter went down in a field behind a Sevier County outlet mall, killing four passengers and the pilot, national investigators have still not said what caused the fiery crash, but a lawsuit blames a faulty fuel system and bad flying.
Investigators with the National Transportation Safety Board originally said the probe could take up to a year, but as of Monday, the accident remained "under active investigation," agency spokesman Eric Weiss said.
The 1977 Bell 206-L LongRanger, operated by Smoky Mountain Helicopters, went down April 4, 2016, at about 4:10 p.m. The crash killed Johna Morvant, 49; her daughter, Peyton Rasmussen, 22; her son, Parker Rasmussen, 18; her daughter's boyfriend, Michael Glenn Mastalez, 21; and the pilot, Jason Dahl, 38.
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