Incident Overview
An aircraft operating under visual flight rules (VFR) departed Bozeman, Montana, en route to Spokane, Washington. The last communication with the aircraft occurred as it crossed over Missoula, Montana. Subsequently, the wreckage was discovered near the summit of Lost Trail Pass, in the vicinity of Mullan, Idaho.
Environmental Conditions
During the approximate time frame when the aircraft would have been in the area, mountain tops in the region were reported to be obscured. This condition suggests limited visibility near terrain elevations.
Aircraft and Engine Status
Investigators reported no preimpact part failure of the aircraft or its engine. The exact cause of the accident has not been determined from the available information.
Location and Recovery
The wreckage was located near the summit of Lost Trail Pass, a mountainous area along the Idaho-Montana border. The site is remote, and recovery efforts were initiated following the discovery.