The cause of the wreck remains under investigation, and Missoula County Sheriff's Deputy Ryan Dunster said that the plane was making an approach when the accident occurred. Witnesses who were watching and waiting for the airplane to land stated that the aircraft went into a stall as it pulled up, and unfortunately the pilot wasn't able to regain control.
One lane of the interstate near mile marker 126 remains closed, and deputies are guarding the crash site. The National Transportation Safety Board officials will be arriving from Seattle sometime on Monday morning to conduct their investigation.
The 10th season of Ice Road Truckers returned on August 4, featuring Darrell and his trucking partner, Lisa Kelly. Darrell was equally fearless on the road and the ice, and made quite a name for himself over the seasons that he has appeared on Ice Road Truckers. On the show, Darrell Ward was always one to stop and help a fellow trucker in need, even when they happened to work for rival company Polar Industries.