Accident Overview
On March 22, 2009, at about 1432 mountain daylight time, a Pilatus PC-12/45, registration N128CM, crashed during a diversion to Bert Mooney Airport (BTM) in Butte, Montana. The accident site was located approximately 2,100 feet west of runway 33 at BTM. The pilot and all 13 passengers sustained fatal injuries. The airplane was substantially damaged by impact forces and a postcrash fire.
Flight Details
The airplane was owned by Eagle Cap Leasing of Enterprise, Oregon, and was operating as a personal flight under the provisions of 14 Code of Federal Regulations Part 91. The flight had departed Oroville Municipal Airport in Oroville, California, on an instrument flight rules flight plan with a destination of Gallatin Field in Bozeman, Montana. Visual meteorological conditions prevailed at the time of the accident.
Aircraft Information
The accident aircraft was a Pilatus PC-12/45, a single-engine turboprop airplane. No additional details about the aircraft's maintenance or history were provided in the source.
Investigation
The National Transportation Safety Board (NTSB) investigated the accident. The full report is available in NTSB/AAR-11-05. The probable cause of the accident was not stated in the source material.