Steve Fossett missing since a solo flight over Nevada mountains . A month-long search for the plane was unsuccessful . Single - engine plane last seen 20 to 30 miles from impact point , sheriff says . Plane not found after hours of search . Experienced aviator would have signaled rescuers if alive , sheriff says .
Steve Fossett missing since a solo flight over Nevada mountains . Single - engine plane last seen 20 to 30 miles from impact point , sheriff says . Plane not found after hours of search . Experienced aviator would have signaled rescuers if alive , sheriff says .