Density altitude contributes to crash

Probable cause: The pilot's decision to maneuver the airplane over mountainous terrain in high-density altitude conditions, which resulted in the airplane’s inability to maintain altitude or establish a climb.

Total loss of engine power fatal for two

Probable cause: A loss of engine power for reasons that could not be determined due to postcrash thermal damage to the engine accessories and the airframe. Contributing to the accident was the pilot's failure to navigate to any of the ava