|Type:||Cessna 337 Skymaster|
|C/n / msn:|
|Fatalities:||Fatalities: 1 / Occupants: 3|
|Location:||Madison Mountain Range, Madison County, MT – United States of America|
|Departure airport:||Helena, MT|
|Destination airport:||Jackson, WY|
The aircraft with three occupants onboard is presumed to have impacted mountainous terrain in the Madison Range of Montana. Airplane damage not reported, one reported fatality, and two occupants with unspecified injuries.