The family of a Nigerian business leader who died in a Southern California helicopter crash that killed five others in February filed a lawsuit Wednesday claiming the flight should have been grounded because of treacherous weather.
The National Transportation Safety Board is still investigating the cause of the crash. In February, the agency released a preliminary investigation report that outlined the helicopter's flight path and provided details about wreckage that was strewn across 100 yards of desert scrub. Investigators found the fuselage was fragmented, and the cockpit and cabin were destroyed.
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